/[pcre]/code/trunk/pcretest.c
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revision 9 by nigel, Sat Feb 24 21:38:13 2007 UTC revision 676 by ph10, Sat Aug 27 15:53:04 2011 UTC
# Line 2  Line 2 
2  *             PCRE testing program               *  *             PCRE testing program               *
3  *************************************************/  *************************************************/
4    
5    /* This program was hacked up as a tester for PCRE. I really should have
6    written it more tidily in the first place. Will I ever learn? It has grown and
7    been extended and consequently is now rather, er, *very* untidy in places.
8    
9    -----------------------------------------------------------------------------
10    Redistribution and use in source and binary forms, with or without
11    modification, are permitted provided that the following conditions are met:
12    
13        * Redistributions of source code must retain the above copyright notice,
14          this list of conditions and the following disclaimer.
15    
16        * Redistributions in binary form must reproduce the above copyright
17          notice, this list of conditions and the following disclaimer in the
18          documentation and/or other materials provided with the distribution.
19    
20        * Neither the name of the University of Cambridge nor the names of its
21          contributors may be used to endorse or promote products derived from
22          this software without specific prior written permission.
23    
24    THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
25    AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
26    IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
27    ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
28    LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
29    CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
30    SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
31    INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
32    CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
33    ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
34    POSSIBILITY OF SUCH DAMAGE.
35    -----------------------------------------------------------------------------
36    */
37    
38    
39    #ifdef HAVE_CONFIG_H
40    #include "config.h"
41    #endif
42    
43  #include <ctype.h>  #include <ctype.h>
44  #include <stdio.h>  #include <stdio.h>
45  #include <string.h>  #include <string.h>
46  #include <stdlib.h>  #include <stdlib.h>
47  #include <time.h>  #include <time.h>
48    #include <locale.h>
49    #include <errno.h>
50    
51    #ifdef SUPPORT_LIBREADLINE
52    #ifdef HAVE_UNISTD_H
53    #include <unistd.h>
54    #endif
55    #include <readline/readline.h>
56    #include <readline/history.h>
57    #endif
58    
59    
60    /* A number of things vary for Windows builds. Originally, pcretest opened its
61    input and output without "b"; then I was told that "b" was needed in some
62    environments, so it was added for release 5.0 to both the input and output. (It
63    makes no difference on Unix-like systems.) Later I was told that it is wrong
64    for the input on Windows. I've now abstracted the modes into two macros that
65    are set here, to make it easier to fiddle with them, and removed "b" from the
66    input mode under Windows. */
67    
68    #if defined(_WIN32) || defined(WIN32)
69    #include <io.h>                /* For _setmode() */
70    #include <fcntl.h>             /* For _O_BINARY */
71    #define INPUT_MODE   "r"
72    #define OUTPUT_MODE  "wb"
73    
74    #ifndef isatty
75    #define isatty _isatty         /* This is what Windows calls them, I'm told, */
76    #endif                         /* though in some environments they seem to   */
77                                   /* be already defined, hence the #ifndefs.    */
78    #ifndef fileno
79    #define fileno _fileno
80    #endif
81    
82    /* A user sent this fix for Borland Builder 5 under Windows. */
83    
84    #ifdef __BORLANDC__
85    #define _setmode(handle, mode) setmode(handle, mode)
86    #endif
87    
88    /* Not Windows */
89    
90    #else
91    #include <sys/time.h>          /* These two includes are needed */
92    #include <sys/resource.h>      /* for setrlimit(). */
93    #define INPUT_MODE   "rb"
94    #define OUTPUT_MODE  "wb"
95    #endif
96    
 /* Use the internal info for displaying the results of pcre_study(). */  
97    
98  #include "internal.h"  /* We have to include pcre_internal.h because we need the internal info for
99    displaying the results of pcre_study() and we also need to know about the
100    internal macros, structures, and other internal data values; pcretest has
101    "inside information" compared to a program that strictly follows the PCRE API.
102    
103    Although pcre_internal.h does itself include pcre.h, we explicitly include it
104    here before pcre_internal.h so that the PCRE_EXP_xxx macros get set
105    appropriately for an application, not for building PCRE. */
106    
107    #include "pcre.h"
108    #include "pcre_internal.h"
109    
110    /* We need access to some of the data tables that PCRE uses. So as not to have
111    to keep two copies, we include the source file here, changing the names of the
112    external symbols to prevent clashes. */
113    
114    #define _pcre_ucp_gentype      ucp_gentype
115    #define _pcre_ucp_typerange    ucp_typerange
116    #define _pcre_utf8_table1      utf8_table1
117    #define _pcre_utf8_table1_size utf8_table1_size
118    #define _pcre_utf8_table2      utf8_table2
119    #define _pcre_utf8_table3      utf8_table3
120    #define _pcre_utf8_table4      utf8_table4
121    #define _pcre_utf8_char_sizes  utf8_char_sizes
122    #define _pcre_utt              utt
123    #define _pcre_utt_size         utt_size
124    #define _pcre_utt_names        utt_names
125    #define _pcre_OP_lengths       OP_lengths
126    
127    #include "pcre_tables.c"
128    
129    /* We also need the pcre_printint() function for printing out compiled
130    patterns. This function is in a separate file so that it can be included in
131    pcre_compile.c when that module is compiled with debugging enabled. It needs to
132    know which case is being compiled. */
133    
134    #define COMPILING_PCRETEST
135    #include "pcre_printint.src"
136    
137    /* The definition of the macro PRINTABLE, which determines whether to print an
138    output character as-is or as a hex value when showing compiled patterns, is
139    contained in the printint.src file. We uses it here also, in cases when the
140    locale has not been explicitly changed, so as to get consistent output from
141    systems that differ in their output from isprint() even in the "C" locale. */
142    
143    #define PRINTHEX(c) (locale_set? isprint(c) : PRINTABLE(c))
144    
145    /* It is possible to compile this test program without including support for
146    testing the POSIX interface, though this is not available via the standard
147    Makefile. */
148    
149    #if !defined NOPOSIX
150  #include "pcreposix.h"  #include "pcreposix.h"
151    #endif
152    
153    /* It is also possible, for the benefit of the version currently imported into
154    Exim, to build pcretest without support for UTF8 (define NOUTF8), without the
155    interface to the DFA matcher (NODFA), and without the doublecheck of the old
156    "info" function (define NOINFOCHECK). In fact, we automatically cut out the
157    UTF8 support if PCRE is built without it. */
158    
159    #ifndef SUPPORT_UTF8
160    #ifndef NOUTF8
161    #define NOUTF8
162    #endif
163    #endif
164    
165    
166    /* Other parameters */
167    
168  #ifndef CLOCKS_PER_SEC  #ifndef CLOCKS_PER_SEC
169  #ifdef CLK_TCK  #ifdef CLK_TCK
# Line 21  Line 173 
173  #endif  #endif
174  #endif  #endif
175    
176    /* This is the default loop count for timing. */
177    
178    #define LOOPREPEAT 500000
179    
180    /* Static variables */
181    
182  static FILE *outfile;  static FILE *outfile;
183  static int log_store = 0;  static int log_store = 0;
184    static int callout_count;
185    static int callout_extra;
186    static int callout_fail_count;
187    static int callout_fail_id;
188    static int debug_lengths;
189    static int first_callout;
190    static int locale_set = 0;
191    static int show_malloc;
192    static int use_utf8;
193    static size_t gotten_store;
194    static const unsigned char *last_callout_mark = NULL;
195    
196    /* The buffers grow automatically if very long input lines are encountered. */
197    
198    static int buffer_size = 50000;
199    static uschar *buffer = NULL;
200    static uschar *dbuffer = NULL;
201    static uschar *pbuffer = NULL;
202    
203    /* Textual explanations for runtime error codes */
204    
205    static const char *errtexts[] = {
206      NULL,  /* 0 is no error */
207      NULL,  /* NOMATCH is handled specially */
208      "NULL argument passed",
209      "bad option value",
210      "magic number missing",
211      "unknown opcode - pattern overwritten?",
212      "no more memory",
213      NULL,  /* never returned by pcre_exec() or pcre_dfa_exec() */
214      "match limit exceeded",
215      "callout error code",
216      NULL,  /* BADUTF8 is handled specially */
217      "bad UTF-8 offset",
218      NULL,  /* PARTIAL is handled specially */
219      "not used - internal error",
220      "internal error - pattern overwritten?",
221      "bad count value",
222      "item unsupported for DFA matching",
223      "backreference condition or recursion test not supported for DFA matching",
224      "match limit not supported for DFA matching",
225      "workspace size exceeded in DFA matching",
226      "too much recursion for DFA matching",
227      "recursion limit exceeded",
228      "not used - internal error",
229      "invalid combination of newline options",
230      "bad offset value",
231      NULL,  /* SHORTUTF8 is handled specially */
232      "nested recursion at the same subject position",
233      "JIT stack limit reached"
234    };
235    
236    
237    /*************************************************
238    *         Alternate character tables             *
239    *************************************************/
240    
241  /* Debugging function to print the internal form of the regex. This is the same  /* By default, the "tables" pointer when calling PCRE is set to NULL, thereby
242  code as contained in pcre.c under the DEBUG macro. */  using the default tables of the library. However, the T option can be used to
243    select alternate sets of tables, for different kinds of testing. Note also that
244  static const char *OP_names[] = {  the L (locale) option also adjusts the tables. */
245    "End", "\\A", "\\B", "\\b", "\\D", "\\d",  
246    "\\S", "\\s", "\\W", "\\w", "Cut", "\\Z", "^", "$", "Any", "chars",  /* This is the set of tables distributed as default with PCRE. It recognizes
247    "not",  only ASCII characters. */
248    "*", "*?", "+", "+?", "?", "??", "{", "{", "{",  
249    "*", "*?", "+", "+?", "?", "??", "{", "{", "{",  static const unsigned char tables0[] = {
250    "*", "*?", "+", "+?", "?", "??", "{", "{", "{",  
251    "*", "*?", "+", "+?", "?", "??", "{", "{",  /* This table is a lower casing table. */
252    "class", "Ref",  
253    "Alt", "Ket", "KetRmax", "KetRmin", "Assert", "Assert not", "Once",      0,  1,  2,  3,  4,  5,  6,  7,
254    "Brazero", "Braminzero", "Bra"      8,  9, 10, 11, 12, 13, 14, 15,
255       16, 17, 18, 19, 20, 21, 22, 23,
256       24, 25, 26, 27, 28, 29, 30, 31,
257       32, 33, 34, 35, 36, 37, 38, 39,
258       40, 41, 42, 43, 44, 45, 46, 47,
259       48, 49, 50, 51, 52, 53, 54, 55,
260       56, 57, 58, 59, 60, 61, 62, 63,
261       64, 97, 98, 99,100,101,102,103,
262      104,105,106,107,108,109,110,111,
263      112,113,114,115,116,117,118,119,
264      120,121,122, 91, 92, 93, 94, 95,
265       96, 97, 98, 99,100,101,102,103,
266      104,105,106,107,108,109,110,111,
267      112,113,114,115,116,117,118,119,
268      120,121,122,123,124,125,126,127,
269      128,129,130,131,132,133,134,135,
270      136,137,138,139,140,141,142,143,
271      144,145,146,147,148,149,150,151,
272      152,153,154,155,156,157,158,159,
273      160,161,162,163,164,165,166,167,
274      168,169,170,171,172,173,174,175,
275      176,177,178,179,180,181,182,183,
276      184,185,186,187,188,189,190,191,
277      192,193,194,195,196,197,198,199,
278      200,201,202,203,204,205,206,207,
279      208,209,210,211,212,213,214,215,
280      216,217,218,219,220,221,222,223,
281      224,225,226,227,228,229,230,231,
282      232,233,234,235,236,237,238,239,
283      240,241,242,243,244,245,246,247,
284      248,249,250,251,252,253,254,255,
285    
286    /* This table is a case flipping table. */
287    
288        0,  1,  2,  3,  4,  5,  6,  7,
289        8,  9, 10, 11, 12, 13, 14, 15,
290       16, 17, 18, 19, 20, 21, 22, 23,
291       24, 25, 26, 27, 28, 29, 30, 31,
292       32, 33, 34, 35, 36, 37, 38, 39,
293       40, 41, 42, 43, 44, 45, 46, 47,
294       48, 49, 50, 51, 52, 53, 54, 55,
295       56, 57, 58, 59, 60, 61, 62, 63,
296       64, 97, 98, 99,100,101,102,103,
297      104,105,106,107,108,109,110,111,
298      112,113,114,115,116,117,118,119,
299      120,121,122, 91, 92, 93, 94, 95,
300       96, 65, 66, 67, 68, 69, 70, 71,
301       72, 73, 74, 75, 76, 77, 78, 79,
302       80, 81, 82, 83, 84, 85, 86, 87,
303       88, 89, 90,123,124,125,126,127,
304      128,129,130,131,132,133,134,135,
305      136,137,138,139,140,141,142,143,
306      144,145,146,147,148,149,150,151,
307      152,153,154,155,156,157,158,159,
308      160,161,162,163,164,165,166,167,
309      168,169,170,171,172,173,174,175,
310      176,177,178,179,180,181,182,183,
311      184,185,186,187,188,189,190,191,
312      192,193,194,195,196,197,198,199,
313      200,201,202,203,204,205,206,207,
314      208,209,210,211,212,213,214,215,
315      216,217,218,219,220,221,222,223,
316      224,225,226,227,228,229,230,231,
317      232,233,234,235,236,237,238,239,
318      240,241,242,243,244,245,246,247,
319      248,249,250,251,252,253,254,255,
320    
321    /* This table contains bit maps for various character classes. Each map is 32
322    bytes long and the bits run from the least significant end of each byte. The
323    classes that have their own maps are: space, xdigit, digit, upper, lower, word,
324    graph, print, punct, and cntrl. Other classes are built from combinations. */
325    
326      0x00,0x3e,0x00,0x00,0x01,0x00,0x00,0x00,
327      0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
328      0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
329      0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
330    
331      0x00,0x00,0x00,0x00,0x00,0x00,0xff,0x03,
332      0x7e,0x00,0x00,0x00,0x7e,0x00,0x00,0x00,
333      0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
334      0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
335    
336      0x00,0x00,0x00,0x00,0x00,0x00,0xff,0x03,
337      0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
338      0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
339      0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
340    
341      0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
342      0xfe,0xff,0xff,0x07,0x00,0x00,0x00,0x00,
343      0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
344      0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
345    
346      0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
347      0x00,0x00,0x00,0x00,0xfe,0xff,0xff,0x07,
348      0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
349      0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
350    
351      0x00,0x00,0x00,0x00,0x00,0x00,0xff,0x03,
352      0xfe,0xff,0xff,0x87,0xfe,0xff,0xff,0x07,
353      0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
354      0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
355    
356      0x00,0x00,0x00,0x00,0xfe,0xff,0xff,0xff,
357      0xff,0xff,0xff,0xff,0xff,0xff,0xff,0x7f,
358      0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
359      0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
360    
361      0x00,0x00,0x00,0x00,0xff,0xff,0xff,0xff,
362      0xff,0xff,0xff,0xff,0xff,0xff,0xff,0x7f,
363      0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
364      0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
365    
366      0x00,0x00,0x00,0x00,0xfe,0xff,0x00,0xfc,
367      0x01,0x00,0x00,0xf8,0x01,0x00,0x00,0x78,
368      0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
369      0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
370    
371      0xff,0xff,0xff,0xff,0x00,0x00,0x00,0x00,
372      0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x80,
373      0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
374      0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
375    
376    /* This table identifies various classes of character by individual bits:
377      0x01   white space character
378      0x02   letter
379      0x04   decimal digit
380      0x08   hexadecimal digit
381      0x10   alphanumeric or '_'
382      0x80   regular expression metacharacter or binary zero
383    */
384    
385      0x80,0x00,0x00,0x00,0x00,0x00,0x00,0x00, /*   0-  7 */
386      0x00,0x01,0x01,0x00,0x01,0x01,0x00,0x00, /*   8- 15 */
387      0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, /*  16- 23 */
388      0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, /*  24- 31 */
389      0x01,0x00,0x00,0x00,0x80,0x00,0x00,0x00, /*    - '  */
390      0x80,0x80,0x80,0x80,0x00,0x00,0x80,0x00, /*  ( - /  */
391      0x1c,0x1c,0x1c,0x1c,0x1c,0x1c,0x1c,0x1c, /*  0 - 7  */
392      0x1c,0x1c,0x00,0x00,0x00,0x00,0x00,0x80, /*  8 - ?  */
393      0x00,0x1a,0x1a,0x1a,0x1a,0x1a,0x1a,0x12, /*  @ - G  */
394      0x12,0x12,0x12,0x12,0x12,0x12,0x12,0x12, /*  H - O  */
395      0x12,0x12,0x12,0x12,0x12,0x12,0x12,0x12, /*  P - W  */
396      0x12,0x12,0x12,0x80,0x80,0x00,0x80,0x10, /*  X - _  */
397      0x00,0x1a,0x1a,0x1a,0x1a,0x1a,0x1a,0x12, /*  ` - g  */
398      0x12,0x12,0x12,0x12,0x12,0x12,0x12,0x12, /*  h - o  */
399      0x12,0x12,0x12,0x12,0x12,0x12,0x12,0x12, /*  p - w  */
400      0x12,0x12,0x12,0x80,0x80,0x00,0x00,0x00, /*  x -127 */
401      0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, /* 128-135 */
402      0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, /* 136-143 */
403      0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, /* 144-151 */
404      0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, /* 152-159 */
405      0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, /* 160-167 */
406      0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, /* 168-175 */
407      0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, /* 176-183 */
408      0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, /* 184-191 */
409      0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, /* 192-199 */
410      0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, /* 200-207 */
411      0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, /* 208-215 */
412      0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, /* 216-223 */
413      0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, /* 224-231 */
414      0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, /* 232-239 */
415      0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, /* 240-247 */
416      0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00};/* 248-255 */
417    
418    /* This is a set of tables that came orginally from a Windows user. It seems to
419    be at least an approximation of ISO 8859. In particular, there are characters
420    greater than 128 that are marked as spaces, letters, etc. */
421    
422    static const unsigned char tables1[] = {
423    0,1,2,3,4,5,6,7,
424    8,9,10,11,12,13,14,15,
425    16,17,18,19,20,21,22,23,
426    24,25,26,27,28,29,30,31,
427    32,33,34,35,36,37,38,39,
428    40,41,42,43,44,45,46,47,
429    48,49,50,51,52,53,54,55,
430    56,57,58,59,60,61,62,63,
431    64,97,98,99,100,101,102,103,
432    104,105,106,107,108,109,110,111,
433    112,113,114,115,116,117,118,119,
434    120,121,122,91,92,93,94,95,
435    96,97,98,99,100,101,102,103,
436    104,105,106,107,108,109,110,111,
437    112,113,114,115,116,117,118,119,
438    120,121,122,123,124,125,126,127,
439    128,129,130,131,132,133,134,135,
440    136,137,138,139,140,141,142,143,
441    144,145,146,147,148,149,150,151,
442    152,153,154,155,156,157,158,159,
443    160,161,162,163,164,165,166,167,
444    168,169,170,171,172,173,174,175,
445    176,177,178,179,180,181,182,183,
446    184,185,186,187,188,189,190,191,
447    224,225,226,227,228,229,230,231,
448    232,233,234,235,236,237,238,239,
449    240,241,242,243,244,245,246,215,
450    248,249,250,251,252,253,254,223,
451    224,225,226,227,228,229,230,231,
452    232,233,234,235,236,237,238,239,
453    240,241,242,243,244,245,246,247,
454    248,249,250,251,252,253,254,255,
455    0,1,2,3,4,5,6,7,
456    8,9,10,11,12,13,14,15,
457    16,17,18,19,20,21,22,23,
458    24,25,26,27,28,29,30,31,
459    32,33,34,35,36,37,38,39,
460    40,41,42,43,44,45,46,47,
461    48,49,50,51,52,53,54,55,
462    56,57,58,59,60,61,62,63,
463    64,97,98,99,100,101,102,103,
464    104,105,106,107,108,109,110,111,
465    112,113,114,115,116,117,118,119,
466    120,121,122,91,92,93,94,95,
467    96,65,66,67,68,69,70,71,
468    72,73,74,75,76,77,78,79,
469    80,81,82,83,84,85,86,87,
470    88,89,90,123,124,125,126,127,
471    128,129,130,131,132,133,134,135,
472    136,137,138,139,140,141,142,143,
473    144,145,146,147,148,149,150,151,
474    152,153,154,155,156,157,158,159,
475    160,161,162,163,164,165,166,167,
476    168,169,170,171,172,173,174,175,
477    176,177,178,179,180,181,182,183,
478    184,185,186,187,188,189,190,191,
479    224,225,226,227,228,229,230,231,
480    232,233,234,235,236,237,238,239,
481    240,241,242,243,244,245,246,215,
482    248,249,250,251,252,253,254,223,
483    192,193,194,195,196,197,198,199,
484    200,201,202,203,204,205,206,207,
485    208,209,210,211,212,213,214,247,
486    216,217,218,219,220,221,222,255,
487    0,62,0,0,1,0,0,0,
488    0,0,0,0,0,0,0,0,
489    32,0,0,0,1,0,0,0,
490    0,0,0,0,0,0,0,0,
491    0,0,0,0,0,0,255,3,
492    126,0,0,0,126,0,0,0,
493    0,0,0,0,0,0,0,0,
494    0,0,0,0,0,0,0,0,
495    0,0,0,0,0,0,255,3,
496    0,0,0,0,0,0,0,0,
497    0,0,0,0,0,0,12,2,
498    0,0,0,0,0,0,0,0,
499    0,0,0,0,0,0,0,0,
500    254,255,255,7,0,0,0,0,
501    0,0,0,0,0,0,0,0,
502    255,255,127,127,0,0,0,0,
503    0,0,0,0,0,0,0,0,
504    0,0,0,0,254,255,255,7,
505    0,0,0,0,0,4,32,4,
506    0,0,0,128,255,255,127,255,
507    0,0,0,0,0,0,255,3,
508    254,255,255,135,254,255,255,7,
509    0,0,0,0,0,4,44,6,
510    255,255,127,255,255,255,127,255,
511    0,0,0,0,254,255,255,255,
512    255,255,255,255,255,255,255,127,
513    0,0,0,0,254,255,255,255,
514    255,255,255,255,255,255,255,255,
515    0,2,0,0,255,255,255,255,
516    255,255,255,255,255,255,255,127,
517    0,0,0,0,255,255,255,255,
518    255,255,255,255,255,255,255,255,
519    0,0,0,0,254,255,0,252,
520    1,0,0,248,1,0,0,120,
521    0,0,0,0,254,255,255,255,
522    0,0,128,0,0,0,128,0,
523    255,255,255,255,0,0,0,0,
524    0,0,0,0,0,0,0,128,
525    255,255,255,255,0,0,0,0,
526    0,0,0,0,0,0,0,0,
527    128,0,0,0,0,0,0,0,
528    0,1,1,0,1,1,0,0,
529    0,0,0,0,0,0,0,0,
530    0,0,0,0,0,0,0,0,
531    1,0,0,0,128,0,0,0,
532    128,128,128,128,0,0,128,0,
533    28,28,28,28,28,28,28,28,
534    28,28,0,0,0,0,0,128,
535    0,26,26,26,26,26,26,18,
536    18,18,18,18,18,18,18,18,
537    18,18,18,18,18,18,18,18,
538    18,18,18,128,128,0,128,16,
539    0,26,26,26,26,26,26,18,
540    18,18,18,18,18,18,18,18,
541    18,18,18,18,18,18,18,18,
542    18,18,18,128,128,0,0,0,
543    0,0,0,0,0,1,0,0,
544    0,0,0,0,0,0,0,0,
545    0,0,0,0,0,0,0,0,
546    0,0,0,0,0,0,0,0,
547    1,0,0,0,0,0,0,0,
548    0,0,18,0,0,0,0,0,
549    0,0,20,20,0,18,0,0,
550    0,20,18,0,0,0,0,0,
551    18,18,18,18,18,18,18,18,
552    18,18,18,18,18,18,18,18,
553    18,18,18,18,18,18,18,0,
554    18,18,18,18,18,18,18,18,
555    18,18,18,18,18,18,18,18,
556    18,18,18,18,18,18,18,18,
557    18,18,18,18,18,18,18,0,
558    18,18,18,18,18,18,18,18
559  };  };
560    
561    
562  static void print_internals(pcre *re)  
563    
564    #ifndef HAVE_STRERROR
565    /*************************************************
566    *     Provide strerror() for non-ANSI libraries  *
567    *************************************************/
568    
569    /* Some old-fashioned systems still around (e.g. SunOS4) don't have strerror()
570    in their libraries, but can provide the same facility by this simple
571    alternative function. */
572    
573    extern int   sys_nerr;
574    extern char *sys_errlist[];
575    
576    char *
577    strerror(int n)
578  {  {
579  unsigned char *code = ((real_pcre *)re)->code;  if (n < 0 || n >= sys_nerr) return "unknown error number";
580    return sys_errlist[n];
581    }
582    #endif /* HAVE_STRERROR */
583    
 printf("------------------------------------------------------------------\n");  
584    
585  for(;;)  /*************************************************
586    *         JIT memory callback                    *
587    *************************************************/
588    
589    static pcre_jit_stack* jit_callback(void *arg)
590    {
591    return (pcre_jit_stack *)arg;
592    }
593    
594    
595    /*************************************************
596    *        Read or extend an input line            *
597    *************************************************/
598    
599    /* Input lines are read into buffer, but both patterns and data lines can be
600    continued over multiple input lines. In addition, if the buffer fills up, we
601    want to automatically expand it so as to be able to handle extremely large
602    lines that are needed for certain stress tests. When the input buffer is
603    expanded, the other two buffers must also be expanded likewise, and the
604    contents of pbuffer, which are a copy of the input for callouts, must be
605    preserved (for when expansion happens for a data line). This is not the most
606    optimal way of handling this, but hey, this is just a test program!
607    
608    Arguments:
609      f            the file to read
610      start        where in buffer to start (this *must* be within buffer)
611      prompt       for stdin or readline()
612    
613    Returns:       pointer to the start of new data
614                   could be a copy of start, or could be moved
615                   NULL if no data read and EOF reached
616    */
617    
618    static uschar *
619    extend_inputline(FILE *f, uschar *start, const char *prompt)
620    {
621    uschar *here = start;
622    
623    for (;;)
624    {    {
625    int c;    int rlen = (int)(buffer_size - (here - buffer));
   int charlength;  
   
   printf("%3d ", code - ((real_pcre *)re)->code);  
   
   if (*code >= OP_BRA)  
     {  
     printf("%3d Bra %d", (code[1] << 8) + code[2], *code - OP_BRA);  
     code += 2;  
     }  
   
   else switch(*code)  
     {  
     case OP_END:  
     printf("    %s\n", OP_names[*code]);  
     printf("------------------------------------------------------------------\n");  
     return;  
   
     case OP_CHARS:  
     charlength = *(++code);  
     printf("%3d ", charlength);  
     while (charlength-- > 0)  
       if (isprint(c = *(++code))) printf("%c", c); else printf("\\x%02x", c);  
     break;  
   
     case OP_KETRMAX:  
     case OP_KETRMIN:  
     case OP_ALT:  
     case OP_KET:  
     case OP_ASSERT:  
     case OP_ASSERT_NOT:  
     case OP_ONCE:  
     printf("%3d %s", (code[1] << 8) + code[2], OP_names[*code]);  
     code += 2;  
     break;  
   
     case OP_STAR:  
     case OP_MINSTAR:  
     case OP_PLUS:  
     case OP_MINPLUS:  
     case OP_QUERY:  
     case OP_MINQUERY:  
     case OP_TYPESTAR:  
     case OP_TYPEMINSTAR:  
     case OP_TYPEPLUS:  
     case OP_TYPEMINPLUS:  
     case OP_TYPEQUERY:  
     case OP_TYPEMINQUERY:  
     if (*code >= OP_TYPESTAR)  
       printf("    %s", OP_names[code[1]]);  
     else if (isprint(c = code[1])) printf("    %c", c);  
       else printf("    \\x%02x", c);  
     printf("%s", OP_names[*code++]);  
     break;  
   
     case OP_EXACT:  
     case OP_UPTO:  
     case OP_MINUPTO:  
     if (isprint(c = code[3])) printf("    %c{", c);  
       else printf("    \\x%02x{", c);  
     if (*code != OP_EXACT) printf(",");  
     printf("%d}", (code[1] << 8) + code[2]);  
     if (*code == OP_MINUPTO) printf("?");  
     code += 3;  
     break;  
   
     case OP_TYPEEXACT:  
     case OP_TYPEUPTO:  
     case OP_TYPEMINUPTO:  
     printf("    %s{", OP_names[code[3]]);  
     if (*code != OP_TYPEEXACT) printf(",");  
     printf("%d}", (code[1] << 8) + code[2]);  
     if (*code == OP_TYPEMINUPTO) printf("?");  
     code += 3;  
     break;  
   
     case OP_NOT:  
     if (isprint(c = *(++code))) printf("    [^%c]", c);  
       else printf("    [^\\x%02x]", c);  
     break;  
   
     case OP_NOTSTAR:  
     case OP_NOTMINSTAR:  
     case OP_NOTPLUS:  
     case OP_NOTMINPLUS:  
     case OP_NOTQUERY:  
     case OP_NOTMINQUERY:  
     if (isprint(c = code[1])) printf("    [^%c]", c);  
       else printf("    [^\\x%02x]", c);  
     printf("%s", OP_names[*code++]);  
     break;  
   
     case OP_NOTEXACT:  
     case OP_NOTUPTO:  
     case OP_NOTMINUPTO:  
     if (isprint(c = code[3])) printf("    [^%c]{", c);  
       else printf("    [^\\x%02x]{", c);  
     if (*code != OP_NOTEXACT) printf(",");  
     printf("%d}", (code[1] << 8) + code[2]);  
     if (*code == OP_NOTMINUPTO) printf("?");  
     code += 3;  
     break;  
   
     case OP_REF:  
     printf("    \\%d", *(++code));  
     code++;  
     goto CLASS_REF_REPEAT;  
   
     case OP_CLASS:  
       {  
       int i, min, max;  
   
       code++;  
       printf("    [");  
   
       for (i = 0; i < 256; i++)  
         {  
         if ((code[i/8] & (1 << (i&7))) != 0)  
           {  
           int j;  
           for (j = i+1; j < 256; j++)  
             if ((code[j/8] & (1 << (j&7))) == 0) break;  
           if (i == '-' || i == ']') printf("\\");  
           if (isprint(i)) printf("%c", i); else printf("\\x%02x", i);  
           if (--j > i)  
             {  
             printf("-");  
             if (j == '-' || j == ']') printf("\\");  
             if (isprint(j)) printf("%c", j); else printf("\\x%02x", j);  
             }  
           i = j;  
           }  
         }  
       printf("]");  
       code += 32;  
   
       CLASS_REF_REPEAT:  
   
       switch(*code)  
         {  
         case OP_CRSTAR:  
         case OP_CRMINSTAR:  
         case OP_CRPLUS:  
         case OP_CRMINPLUS:  
         case OP_CRQUERY:  
         case OP_CRMINQUERY:  
         printf("%s", OP_names[*code]);  
         break;  
626    
627          case OP_CRRANGE:    if (rlen > 1000)
628          case OP_CRMINRANGE:      {
629          min = (code[1] << 8) + code[2];      int dlen;
         max = (code[3] << 8) + code[4];  
         if (max == 0) printf("{%d,}", min);  
         else printf("{%d,%d}", min, max);  
         if (*code == OP_CRMINRANGE) printf("?");  
         code += 4;  
         break;  
630    
631          default:      /* If libreadline support is required, use readline() to read a line if the
632          code--;      input is a terminal. Note that readline() removes the trailing newline, so
633        we must put it back again, to be compatible with fgets(). */
634    
635    #ifdef SUPPORT_LIBREADLINE
636        if (isatty(fileno(f)))
637          {
638          size_t len;
639          char *s = readline(prompt);
640          if (s == NULL) return (here == start)? NULL : start;
641          len = strlen(s);
642          if (len > 0) add_history(s);
643          if (len > rlen - 1) len = rlen - 1;
644          memcpy(here, s, len);
645          here[len] = '\n';
646          here[len+1] = 0;
647          free(s);
648          }
649        else
650    #endif
651    
652        /* Read the next line by normal means, prompting if the file is stdin. */
653    
654          {
655          if (f == stdin) printf("%s", prompt);
656          if (fgets((char *)here, rlen,  f) == NULL)
657            return (here == start)? NULL : start;
658          }
659    
660        dlen = (int)strlen((char *)here);
661        if (dlen > 0 && here[dlen - 1] == '\n') return start;
662        here += dlen;
663        }
664    
665      else
666        {
667        int new_buffer_size = 2*buffer_size;
668        uschar *new_buffer = (unsigned char *)malloc(new_buffer_size);
669        uschar *new_dbuffer = (unsigned char *)malloc(new_buffer_size);
670        uschar *new_pbuffer = (unsigned char *)malloc(new_buffer_size);
671    
672        if (new_buffer == NULL || new_dbuffer == NULL || new_pbuffer == NULL)
673          {
674          fprintf(stderr, "pcretest: malloc(%d) failed\n", new_buffer_size);
675          exit(1);
676          }
677    
678        memcpy(new_buffer, buffer, buffer_size);
679        memcpy(new_pbuffer, pbuffer, buffer_size);
680    
681        buffer_size = new_buffer_size;
682    
683        start = new_buffer + (start - buffer);
684        here = new_buffer + (here - buffer);
685    
686        free(buffer);
687        free(dbuffer);
688        free(pbuffer);
689    
690        buffer = new_buffer;
691        dbuffer = new_dbuffer;
692        pbuffer = new_pbuffer;
693        }
694      }
695    
696    return NULL;  /* Control never gets here */
697    }
698    
699    
700    
701    
702    
703    
704    
705    /*************************************************
706    *          Read number from string               *
707    *************************************************/
708    
709    /* We don't use strtoul() because SunOS4 doesn't have it. Rather than mess
710    around with conditional compilation, just do the job by hand. It is only used
711    for unpicking arguments, so just keep it simple.
712    
713    Arguments:
714      str           string to be converted
715      endptr        where to put the end pointer
716    
717    Returns:        the unsigned long
718    */
719    
720    static int
721    get_value(unsigned char *str, unsigned char **endptr)
722    {
723    int result = 0;
724    while(*str != 0 && isspace(*str)) str++;
725    while (isdigit(*str)) result = result * 10 + (int)(*str++ - '0');
726    *endptr = str;
727    return(result);
728    }
729    
730    
731    
732    
733    /*************************************************
734    *            Convert UTF-8 string to value       *
735    *************************************************/
736    
737    /* This function takes one or more bytes that represents a UTF-8 character,
738    and returns the value of the character.
739    
740    Argument:
741      utf8bytes   a pointer to the byte vector
742      vptr        a pointer to an int to receive the value
743    
744    Returns:      >  0 => the number of bytes consumed
745                  -6 to 0 => malformed UTF-8 character at offset = (-return)
746    */
747    
748    #if !defined NOUTF8
749    
750    static int
751    utf82ord(unsigned char *utf8bytes, int *vptr)
752    {
753    int c = *utf8bytes++;
754    int d = c;
755    int i, j, s;
756    
757    for (i = -1; i < 6; i++)               /* i is number of additional bytes */
758      {
759      if ((d & 0x80) == 0) break;
760      d <<= 1;
761      }
762    
763    if (i == -1) { *vptr = c; return 1; }  /* ascii character */
764    if (i == 0 || i == 6) return 0;        /* invalid UTF-8 */
765    
766    /* i now has a value in the range 1-5 */
767    
768    s = 6*i;
769    d = (c & utf8_table3[i]) << s;
770    
771    for (j = 0; j < i; j++)
772      {
773      c = *utf8bytes++;
774      if ((c & 0xc0) != 0x80) return -(j+1);
775      s -= 6;
776      d |= (c & 0x3f) << s;
777      }
778    
779    /* Check that encoding was the correct unique one */
780    
781    for (j = 0; j < utf8_table1_size; j++)
782      if (d <= utf8_table1[j]) break;
783    if (j != i) return -(i+1);
784    
785    /* Valid value */
786    
787    *vptr = d;
788    return i+1;
789    }
790    
791    #endif
792    
793    
794    
795    /*************************************************
796    *       Convert character value to UTF-8         *
797    *************************************************/
798    
799    /* This function takes an integer value in the range 0 - 0x7fffffff
800    and encodes it as a UTF-8 character in 0 to 6 bytes.
801    
802    Arguments:
803      cvalue     the character value
804      utf8bytes  pointer to buffer for result - at least 6 bytes long
805    
806    Returns:     number of characters placed in the buffer
807    */
808    
809    #if !defined NOUTF8
810    
811    static int
812    ord2utf8(int cvalue, uschar *utf8bytes)
813    {
814    register int i, j;
815    for (i = 0; i < utf8_table1_size; i++)
816      if (cvalue <= utf8_table1[i]) break;
817    utf8bytes += i;
818    for (j = i; j > 0; j--)
819     {
820     *utf8bytes-- = 0x80 | (cvalue & 0x3f);
821     cvalue >>= 6;
822     }
823    *utf8bytes = utf8_table2[i] | cvalue;
824    return i + 1;
825    }
826    
827    #endif
828    
829    
830    
831    /*************************************************
832    *             Print character string             *
833    *************************************************/
834    
835    /* Character string printing function. Must handle UTF-8 strings in utf8
836    mode. Yields number of characters printed. If handed a NULL file, just counts
837    chars without printing. */
838    
839    static int pchars(unsigned char *p, int length, FILE *f)
840    {
841    int c = 0;
842    int yield = 0;
843    
844    while (length-- > 0)
845      {
846    #if !defined NOUTF8
847      if (use_utf8)
848        {
849        int rc = utf82ord(p, &c);
850    
851        if (rc > 0 && rc <= length + 1)   /* Mustn't run over the end */
852          {
853          length -= rc - 1;
854          p += rc;
855          if (PRINTHEX(c))
856            {
857            if (f != NULL) fprintf(f, "%c", c);
858            yield++;
859          }          }
860          else
861            {
862            int n = 4;
863            if (f != NULL) fprintf(f, "\\x{%02x}", c);
864            yield += (n <= 0x000000ff)? 2 :
865                     (n <= 0x00000fff)? 3 :
866                     (n <= 0x0000ffff)? 4 :
867                     (n <= 0x000fffff)? 5 : 6;
868            }
869          continue;
870          }
871        }
872    #endif
873    
874       /* Not UTF-8, or malformed UTF-8  */
875    
876      c = *p++;
877      if (PRINTHEX(c))
878        {
879        if (f != NULL) fprintf(f, "%c", c);
880        yield++;
881        }
882      else
883        {
884        if (f != NULL) fprintf(f, "\\x%02x", c);
885        yield += 4;
886        }
887      }
888    
889    return yield;
890    }
891    
892    
893    
894    /*************************************************
895    *              Callout function                  *
896    *************************************************/
897    
898    /* Called from PCRE as a result of the (?C) item. We print out where we are in
899    the match. Yield zero unless more callouts than the fail count, or the callout
900    data is not zero. */
901    
902    static int callout(pcre_callout_block *cb)
903    {
904    FILE *f = (first_callout | callout_extra)? outfile : NULL;
905    int i, pre_start, post_start, subject_length;
906    
907    if (callout_extra)
908      {
909      fprintf(f, "Callout %d: last capture = %d\n",
910        cb->callout_number, cb->capture_last);
911    
912      for (i = 0; i < cb->capture_top * 2; i += 2)
913        {
914        if (cb->offset_vector[i] < 0)
915          fprintf(f, "%2d: <unset>\n", i/2);
916        else
917          {
918          fprintf(f, "%2d: ", i/2);
919          (void)pchars((unsigned char *)cb->subject + cb->offset_vector[i],
920            cb->offset_vector[i+1] - cb->offset_vector[i], f);
921          fprintf(f, "\n");
922          }
923        }
924      }
925    
926    /* Re-print the subject in canonical form, the first time or if giving full
927    datails. On subsequent calls in the same match, we use pchars just to find the
928    printed lengths of the substrings. */
929    
930    if (f != NULL) fprintf(f, "--->");
931    
932    pre_start = pchars((unsigned char *)cb->subject, cb->start_match, f);
933    post_start = pchars((unsigned char *)(cb->subject + cb->start_match),
934      cb->current_position - cb->start_match, f);
935    
936    subject_length = pchars((unsigned char *)cb->subject, cb->subject_length, NULL);
937    
938    (void)pchars((unsigned char *)(cb->subject + cb->current_position),
939      cb->subject_length - cb->current_position, f);
940    
941    if (f != NULL) fprintf(f, "\n");
942    
943    /* Always print appropriate indicators, with callout number if not already
944    shown. For automatic callouts, show the pattern offset. */
945    
946    if (cb->callout_number == 255)
947      {
948      fprintf(outfile, "%+3d ", cb->pattern_position);
949      if (cb->pattern_position > 99) fprintf(outfile, "\n    ");
950      }
951    else
952      {
953      if (callout_extra) fprintf(outfile, "    ");
954        else fprintf(outfile, "%3d ", cb->callout_number);
955      }
956    
957    for (i = 0; i < pre_start; i++) fprintf(outfile, " ");
958    fprintf(outfile, "^");
959    
960    if (post_start > 0)
961      {
962      for (i = 0; i < post_start - 1; i++) fprintf(outfile, " ");
963      fprintf(outfile, "^");
964      }
965    
966    for (i = 0; i < subject_length - pre_start - post_start + 4; i++)
967      fprintf(outfile, " ");
968    
969    fprintf(outfile, "%.*s", (cb->next_item_length == 0)? 1 : cb->next_item_length,
970      pbuffer + cb->pattern_position);
971    
972    fprintf(outfile, "\n");
973    first_callout = 0;
974    
975    if (cb->mark != last_callout_mark)
976      {
977      fprintf(outfile, "Latest Mark: %s\n",
978        (cb->mark == NULL)? "<unset>" : (char *)(cb->mark));
979      last_callout_mark = cb->mark;
980      }
981    
982    if (cb->callout_data != NULL)
983      {
984      int callout_data = *((int *)(cb->callout_data));
985      if (callout_data != 0)
986        {
987        fprintf(outfile, "Callout data = %d\n", callout_data);
988        return callout_data;
989        }
990      }
991    
992    return (cb->callout_number != callout_fail_id)? 0 :
993           (++callout_count >= callout_fail_count)? 1 : 0;
994    }
995    
996    
997    /*************************************************
998    *            Local malloc functions              *
999    *************************************************/
1000    
1001    /* Alternative malloc function, to test functionality and save the size of a
1002    compiled re. The show_malloc variable is set only during matching. */
1003    
1004    static void *new_malloc(size_t size)
1005    {
1006    void *block = malloc(size);
1007    gotten_store = size;
1008    if (show_malloc)
1009      fprintf(outfile, "malloc       %3d %p\n", (int)size, block);
1010    return block;
1011    }
1012    
1013    static void new_free(void *block)
1014    {
1015    if (show_malloc)
1016      fprintf(outfile, "free             %p\n", block);
1017    free(block);
1018    }
1019    
1020    /* For recursion malloc/free, to test stacking calls */
1021    
1022    static void *stack_malloc(size_t size)
1023    {
1024    void *block = malloc(size);
1025    if (show_malloc)
1026      fprintf(outfile, "stack_malloc %3d %p\n", (int)size, block);
1027    return block;
1028    }
1029    
1030    static void stack_free(void *block)
1031    {
1032    if (show_malloc)
1033      fprintf(outfile, "stack_free       %p\n", block);
1034    free(block);
1035    }
1036    
1037    
1038    /*************************************************
1039    *          Call pcre_fullinfo()                  *
1040    *************************************************/
1041    
1042    /* Get one piece of information from the pcre_fullinfo() function */
1043    
1044    static void new_info(pcre *re, pcre_extra *study, int option, void *ptr)
1045    {
1046    int rc;
1047    if ((rc = pcre_fullinfo(re, study, option, ptr)) < 0)
1048      fprintf(outfile, "Error %d from pcre_fullinfo(%d)\n", rc, option);
1049    }
1050    
1051    
1052    
1053    /*************************************************
1054    *      Check for supported JIT architecture      *
1055    *************************************************/
1056    
1057    /* If it won't JIT-compile a very simple regex, return FALSE. */
1058    
1059    static int check_jit_arch(void)
1060    {
1061    const char *error;
1062    int erroffset, rc;
1063    pcre *re = pcre_compile("abc", 0, &error, &erroffset, NULL);
1064    pcre_extra *extra = pcre_study(re, PCRE_STUDY_JIT_COMPILE, &error);
1065    rc = extra != NULL && (extra->flags & PCRE_EXTRA_EXECUTABLE_JIT) != 0 &&
1066      extra->executable_jit != NULL;
1067    pcre_free_study(extra);
1068    free(re);
1069    return rc;
1070    }
1071    
1072    
1073    /*************************************************
1074    *         Byte flipping function                 *
1075    *************************************************/
1076    
1077    static unsigned long int
1078    byteflip(unsigned long int value, int n)
1079    {
1080    if (n == 2) return ((value & 0x00ff) << 8) | ((value & 0xff00) >> 8);
1081    return ((value & 0x000000ff) << 24) |
1082           ((value & 0x0000ff00) <<  8) |
1083           ((value & 0x00ff0000) >>  8) |
1084           ((value & 0xff000000) >> 24);
1085    }
1086    
1087    
1088    
1089    
1090    /*************************************************
1091    *        Check match or recursion limit          *
1092    *************************************************/
1093    
1094    static int
1095    check_match_limit(pcre *re, pcre_extra *extra, uschar *bptr, int len,
1096      int start_offset, int options, int *use_offsets, int use_size_offsets,
1097      int flag, unsigned long int *limit, int errnumber, const char *msg)
1098    {
1099    int count;
1100    int min = 0;
1101    int mid = 64;
1102    int max = -1;
1103    
1104    extra->flags |= flag;
1105    
1106    for (;;)
1107      {
1108      *limit = mid;
1109    
1110      count = pcre_exec(re, extra, (char *)bptr, len, start_offset, options,
1111        use_offsets, use_size_offsets);
1112    
1113      if (count == errnumber)
1114        {
1115        /* fprintf(outfile, "Testing %s limit = %d\n", msg, mid); */
1116        min = mid;
1117        mid = (mid == max - 1)? max : (max > 0)? (min + max)/2 : mid*2;
1118        }
1119    
1120      else if (count >= 0 || count == PCRE_ERROR_NOMATCH ||
1121                             count == PCRE_ERROR_PARTIAL)
1122        {
1123        if (mid == min + 1)
1124          {
1125          fprintf(outfile, "Minimum %s limit = %d\n", msg, mid);
1126          break;
1127        }        }
1128      break;      /* fprintf(outfile, "Testing %s limit = %d\n", msg, mid); */
1129        max = mid;
1130        mid = (min + mid)/2;
1131        }
1132      else break;    /* Some other error */
1133      }
1134    
1135    extra->flags &= ~flag;
1136    return count;
1137    }
1138    
1139    
1140    
1141    /*************************************************
1142    *         Case-independent strncmp() function    *
1143    *************************************************/
1144    
1145      /* Anything else is just a one-node item */  /*
1146    Arguments:
1147      s         first string
1148      t         second string
1149      n         number of characters to compare
1150    
1151      default:  Returns:    < 0, = 0, or > 0, according to the comparison
1152      printf("    %s", OP_names[*code]);  */
     break;  
     }  
1153    
1154    code++;  static int
1155    printf("\n");  strncmpic(uschar *s, uschar *t, int n)
1156    {
1157    while (n--)
1158      {
1159      int c = tolower(*s++) - tolower(*t++);
1160      if (c) return c;
1161    }    }
1162    return 0;
1163  }  }
1164    
1165    
1166    
1167  /* Character string printing function. */  /*************************************************
1168    *         Check newline indicator                *
1169    *************************************************/
1170    
1171    /* This is used both at compile and run-time to check for <xxx> escapes. Print
1172    a message and return 0 if there is no match.
1173    
1174    Arguments:
1175      p           points after the leading '<'
1176      f           file for error message
1177    
1178    Returns:      appropriate PCRE_NEWLINE_xxx flags, or 0
1179    */
1180    
1181  static void pchars(unsigned char *p, int length)  static int
1182    check_newline(uschar *p, FILE *f)
1183  {  {
1184  int c;  if (strncmpic(p, (uschar *)"cr>", 3) == 0) return PCRE_NEWLINE_CR;
1185  while (length-- > 0)  if (strncmpic(p, (uschar *)"lf>", 3) == 0) return PCRE_NEWLINE_LF;
1186    if (isprint(c = *(p++))) fprintf(outfile, "%c", c);  if (strncmpic(p, (uschar *)"crlf>", 5) == 0) return PCRE_NEWLINE_CRLF;
1187      else fprintf(outfile, "\\x%02x", c);  if (strncmpic(p, (uschar *)"anycrlf>", 8) == 0) return PCRE_NEWLINE_ANYCRLF;
1188    if (strncmpic(p, (uschar *)"any>", 4) == 0) return PCRE_NEWLINE_ANY;
1189    if (strncmpic(p, (uschar *)"bsr_anycrlf>", 12) == 0) return PCRE_BSR_ANYCRLF;
1190    if (strncmpic(p, (uschar *)"bsr_unicode>", 12) == 0) return PCRE_BSR_UNICODE;
1191    fprintf(f, "Unknown newline type at: <%s\n", p);
1192    return 0;
1193  }  }
1194    
1195    
1196    
1197  /* Alternative malloc function, to test functionality and show the size of the  /*************************************************
1198  compiled re. */  *             Usage function                     *
1199    *************************************************/
1200    
1201  static void *new_malloc(size_t size)  static void
1202    usage(void)
1203  {  {
1204  if (log_store) fprintf(outfile, "Store size request: %d\n", (int)size);  printf("Usage:     pcretest [options] [<input file> [<output file>]]\n\n");
1205  return malloc(size);  printf("Input and output default to stdin and stdout.\n");
1206    #ifdef SUPPORT_LIBREADLINE
1207    printf("If input is a terminal, readline() is used to read from it.\n");
1208    #else
1209    printf("This version of pcretest is not linked with readline().\n");
1210    #endif
1211    printf("\nOptions:\n");
1212    printf("  -b       show compiled code (bytecode)\n");
1213    printf("  -C       show PCRE compile-time options and exit\n");
1214    printf("  -d       debug: show compiled code and information (-b and -i)\n");
1215    #if !defined NODFA
1216    printf("  -dfa     force DFA matching for all subjects\n");
1217    #endif
1218    printf("  -help    show usage information\n");
1219    printf("  -i       show information about compiled patterns\n"
1220           "  -M       find MATCH_LIMIT minimum for each subject\n"
1221           "  -m       output memory used information\n"
1222           "  -o <n>   set size of offsets vector to <n>\n");
1223    #if !defined NOPOSIX
1224    printf("  -p       use POSIX interface\n");
1225    #endif
1226    printf("  -q       quiet: do not output PCRE version number at start\n");
1227    printf("  -S <n>   set stack size to <n> megabytes\n");
1228    printf("  -s       force each pattern to be studied at basic level\n"
1229           "  -s+      force each pattern to be studied, using JIT if available\n"
1230           "  -t       time compilation and execution\n");
1231    printf("  -t <n>   time compilation and execution, repeating <n> times\n");
1232    printf("  -tm      time execution (matching) only\n");
1233    printf("  -tm <n>  time execution (matching) only, repeating <n> times\n");
1234  }  }
1235    
1236    
1237    
1238    /*************************************************
1239    *                Main Program                    *
1240    *************************************************/
1241    
1242  /* Read lines from named file or stdin and write to named file or stdout; lines  /* Read lines from named file or stdin and write to named file or stdout; lines
1243  consist of a regular expression, in delimiters and optionally followed by  consist of a regular expression, in delimiters and optionally followed by
1244  options, followed by a set of test data, terminated by an empty line. */  options, followed by a set of test data, terminated by an empty line. */
# Line 263  int main(int argc, char **argv) Line 1248  int main(int argc, char **argv)
1248  FILE *infile = stdin;  FILE *infile = stdin;
1249  int options = 0;  int options = 0;
1250  int study_options = 0;  int study_options = 0;
1251    int default_find_match_limit = FALSE;
1252  int op = 1;  int op = 1;
1253  int timeit = 0;  int timeit = 0;
1254    int timeitm = 0;
1255  int showinfo = 0;  int showinfo = 0;
1256    int showstore = 0;
1257    int force_study = -1;
1258    int force_study_options = 0;
1259    int quiet = 0;
1260    int size_offsets = 45;
1261    int size_offsets_max;
1262    int *offsets = NULL;
1263    #if !defined NOPOSIX
1264  int posix = 0;  int posix = 0;
1265    #endif
1266  int debug = 0;  int debug = 0;
1267  unsigned char buffer[30000];  int done = 0;
1268  unsigned char dbuffer[1024];  int all_use_dfa = 0;
1269    int yield = 0;
1270    int stack_size;
1271    
1272    pcre_jit_stack *jit_stack = NULL;
1273    
1274    
1275    /* These vectors store, end-to-end, a list of captured substring names. Assume
1276    that 1024 is plenty long enough for the few names we'll be testing. */
1277    
1278    uschar copynames[1024];
1279    uschar getnames[1024];
1280    
1281  /* Static so that new_malloc can use it. */  uschar *copynamesptr;
1282    uschar *getnamesptr;
1283    
1284    /* Get buffers from malloc() so that Electric Fence will check their misuse
1285    when I am debugging. They grow automatically when very long lines are read. */
1286    
1287    buffer = (unsigned char *)malloc(buffer_size);
1288    dbuffer = (unsigned char *)malloc(buffer_size);
1289    pbuffer = (unsigned char *)malloc(buffer_size);
1290    
1291    /* The outfile variable is static so that new_malloc can use it. */
1292    
1293  outfile = stdout;  outfile = stdout;
1294    
1295    /* The following  _setmode() stuff is some Windows magic that tells its runtime
1296    library to translate CRLF into a single LF character. At least, that's what
1297    I've been told: never having used Windows I take this all on trust. Originally
1298    it set 0x8000, but then I was advised that _O_BINARY was better. */
1299    
1300    #if defined(_WIN32) || defined(WIN32)
1301    _setmode( _fileno( stdout ), _O_BINARY );
1302    #endif
1303    
1304  /* Scan options */  /* Scan options */
1305    
1306  while (argc > 1 && argv[op][0] == '-')  while (argc > 1 && argv[op][0] == '-')
1307    {    {
1308    if (strcmp(argv[op], "-s") == 0) log_store = 1;    unsigned char *endptr;
1309    else if (strcmp(argv[op], "-t") == 0) timeit = 1;  
1310      if (strcmp(argv[op], "-m") == 0) showstore = 1;
1311      else if (strcmp(argv[op], "-s") == 0) force_study = 0;
1312      else if (strcmp(argv[op], "-s+") == 0)
1313        {
1314        force_study = 1;
1315        force_study_options = PCRE_STUDY_JIT_COMPILE;
1316        }
1317      else if (strcmp(argv[op], "-q") == 0) quiet = 1;
1318      else if (strcmp(argv[op], "-b") == 0) debug = 1;
1319    else if (strcmp(argv[op], "-i") == 0) showinfo = 1;    else if (strcmp(argv[op], "-i") == 0) showinfo = 1;
1320    else if (strcmp(argv[op], "-d") == 0) showinfo = debug = 1;    else if (strcmp(argv[op], "-d") == 0) showinfo = debug = 1;
1321      else if (strcmp(argv[op], "-M") == 0) default_find_match_limit = TRUE;
1322    #if !defined NODFA
1323      else if (strcmp(argv[op], "-dfa") == 0) all_use_dfa = 1;
1324    #endif
1325      else if (strcmp(argv[op], "-o") == 0 && argc > 2 &&
1326          ((size_offsets = get_value((unsigned char *)argv[op+1], &endptr)),
1327            *endptr == 0))
1328        {
1329        op++;
1330        argc--;
1331        }
1332      else if (strcmp(argv[op], "-t") == 0 || strcmp(argv[op], "-tm") == 0)
1333        {
1334        int both = argv[op][2] == 0;
1335        int temp;
1336        if (argc > 2 && (temp = get_value((unsigned char *)argv[op+1], &endptr),
1337                         *endptr == 0))
1338          {
1339          timeitm = temp;
1340          op++;
1341          argc--;
1342          }
1343        else timeitm = LOOPREPEAT;
1344        if (both) timeit = timeitm;
1345        }
1346      else if (strcmp(argv[op], "-S") == 0 && argc > 2 &&
1347          ((stack_size = get_value((unsigned char *)argv[op+1], &endptr)),
1348            *endptr == 0))
1349        {
1350    #if defined(_WIN32) || defined(WIN32) || defined(__minix)
1351        printf("PCRE: -S not supported on this OS\n");
1352        exit(1);
1353    #else
1354        int rc;
1355        struct rlimit rlim;
1356        getrlimit(RLIMIT_STACK, &rlim);
1357        rlim.rlim_cur = stack_size * 1024 * 1024;
1358        rc = setrlimit(RLIMIT_STACK, &rlim);
1359        if (rc != 0)
1360          {
1361        printf("PCRE: setrlimit() failed with error %d\n", rc);
1362        exit(1);
1363          }
1364        op++;
1365        argc--;
1366    #endif
1367        }
1368    #if !defined NOPOSIX
1369    else if (strcmp(argv[op], "-p") == 0) posix = 1;    else if (strcmp(argv[op], "-p") == 0) posix = 1;
1370    #endif
1371      else if (strcmp(argv[op], "-C") == 0)
1372        {
1373        int rc;
1374        unsigned long int lrc;
1375        printf("PCRE version %s\n", pcre_version());
1376        printf("Compiled with\n");
1377        (void)pcre_config(PCRE_CONFIG_UTF8, &rc);
1378        printf("  %sUTF-8 support\n", rc? "" : "No ");
1379        (void)pcre_config(PCRE_CONFIG_UNICODE_PROPERTIES, &rc);
1380        printf("  %sUnicode properties support\n", rc? "" : "No ");
1381        (void)pcre_config(PCRE_CONFIG_JIT, &rc);
1382        if (rc)
1383          printf("  Just-in-time compiler support%s\n", check_jit_arch()?
1384            "" : " (but this architecture is unsupported)");
1385        else
1386          printf("  No just-in-time compiler support\n");
1387        (void)pcre_config(PCRE_CONFIG_NEWLINE, &rc);
1388        /* Note that these values are always the ASCII values, even
1389        in EBCDIC environments. CR is 13 and NL is 10. */
1390        printf("  Newline sequence is %s\n", (rc == 13)? "CR" :
1391          (rc == 10)? "LF" : (rc == (13<<8 | 10))? "CRLF" :
1392          (rc == -2)? "ANYCRLF" :
1393          (rc == -1)? "ANY" : "???");
1394        (void)pcre_config(PCRE_CONFIG_BSR, &rc);
1395        printf("  \\R matches %s\n", rc? "CR, LF, or CRLF only" :
1396                                         "all Unicode newlines");
1397        (void)pcre_config(PCRE_CONFIG_LINK_SIZE, &rc);
1398        printf("  Internal link size = %d\n", rc);
1399        (void)pcre_config(PCRE_CONFIG_POSIX_MALLOC_THRESHOLD, &rc);
1400        printf("  POSIX malloc threshold = %d\n", rc);
1401        (void)pcre_config(PCRE_CONFIG_MATCH_LIMIT, &lrc);
1402        printf("  Default match limit = %ld\n", lrc);
1403        (void)pcre_config(PCRE_CONFIG_MATCH_LIMIT_RECURSION, &lrc);
1404        printf("  Default recursion depth limit = %ld\n", lrc);
1405        (void)pcre_config(PCRE_CONFIG_STACKRECURSE, &rc);
1406        printf("  Match recursion uses %s\n", rc? "stack" : "heap");
1407        goto EXIT;
1408        }
1409      else if (strcmp(argv[op], "-help") == 0 ||
1410               strcmp(argv[op], "--help") == 0)
1411        {
1412        usage();
1413        goto EXIT;
1414        }
1415    else    else
1416      {      {
1417      printf("*** Unknown option %s\n", argv[op]);      printf("** Unknown or malformed option %s\n", argv[op]);
1418      return 1;      usage();
1419        yield = 1;
1420        goto EXIT;
1421      }      }
1422    op++;    op++;
1423    argc--;    argc--;
1424    }    }
1425    
1426    /* Get the store for the offsets vector, and remember what it was */
1427    
1428    size_offsets_max = size_offsets;
1429    offsets = (int *)malloc(size_offsets_max * sizeof(int));
1430    if (offsets == NULL)
1431      {
1432      printf("** Failed to get %d bytes of memory for offsets vector\n",
1433        (int)(size_offsets_max * sizeof(int)));
1434      yield = 1;
1435      goto EXIT;
1436      }
1437    
1438  /* Sort out the input and output files */  /* Sort out the input and output files */
1439    
1440  if (argc > 1)  if (argc > 1)
1441    {    {
1442    infile = fopen(argv[op], "r");    infile = fopen(argv[op], INPUT_MODE);
1443    if (infile == NULL)    if (infile == NULL)
1444      {      {
1445      printf("** Failed to open %s\n", argv[op]);      printf("** Failed to open %s\n", argv[op]);
1446      return 1;      yield = 1;
1447        goto EXIT;
1448      }      }
1449    }    }
1450    
1451  if (argc > 2)  if (argc > 2)
1452    {    {
1453    outfile = fopen(argv[op+1], "w");    outfile = fopen(argv[op+1], OUTPUT_MODE);
1454    if (outfile == NULL)    if (outfile == NULL)
1455      {      {
1456      printf("** Failed to open %s\n", argv[op+1]);      printf("** Failed to open %s\n", argv[op+1]);
1457      return 1;      yield = 1;
1458        goto EXIT;
1459      }      }
1460    }    }
1461    
1462  /* Set alternative malloc function */  /* Set alternative malloc function */
1463    
1464  pcre_malloc = new_malloc;  pcre_malloc = new_malloc;
1465    pcre_free = new_free;
1466    pcre_stack_malloc = stack_malloc;
1467    pcre_stack_free = stack_free;
1468    
1469  /* Heading line, then prompt for first re if stdin */  /* Heading line unless quiet, then prompt for first regex if stdin */
1470    
1471  fprintf(outfile, "Testing Perl-Compatible Regular Expressions\n");  if (!quiet) fprintf(outfile, "PCRE version %s\n\n", pcre_version());
 fprintf(outfile, "PCRE version %s\n\n", pcre_version());  
1472    
1473  /* Main loop */  /* Main loop */
1474    
1475  for (;;)  while (!done)
1476    {    {
1477    pcre *re = NULL;    pcre *re = NULL;
1478    pcre_extra *extra = NULL;    pcre_extra *extra = NULL;
1479    
1480    #if !defined NOPOSIX  /* There are still compilers that require no indent */
1481    regex_t preg;    regex_t preg;
   const char *error;  
   unsigned char *p, *pp;  
   int do_study = 0;  
   int do_debug = 0;  
1482    int do_posix = 0;    int do_posix = 0;
1483    int erroroffset, len, delimiter;  #endif
1484    
1485    if (infile == stdin) printf("  re> ");    const char *error;
1486    if (fgets((char *)buffer, sizeof(buffer), infile) == NULL) break;    unsigned char *markptr;
1487    if (infile != stdin) fprintf(outfile, (char *)buffer);    unsigned char *p, *pp, *ppp;
1488      unsigned char *to_file = NULL;
1489      const unsigned char *tables = NULL;
1490      unsigned long int true_size, true_study_size = 0;
1491      size_t size, regex_gotten_store;
1492      int do_allcaps = 0;
1493      int do_mark = 0;
1494      int do_study = 0;
1495      int no_force_study = 0;
1496      int do_debug = debug;
1497      int do_G = 0;
1498      int do_g = 0;
1499      int do_showinfo = showinfo;
1500      int do_showrest = 0;
1501      int do_showcaprest = 0;
1502      int do_flip = 0;
1503      int erroroffset, len, delimiter, poffset;
1504    
1505      use_utf8 = 0;
1506      debug_lengths = 1;
1507    
1508      if (extend_inputline(infile, buffer, "  re> ") == NULL) break;
1509      if (infile != stdin) fprintf(outfile, "%s", (char *)buffer);
1510      fflush(outfile);
1511    
1512    p = buffer;    p = buffer;
1513    while (isspace(*p)) p++;    while (isspace(*p)) p++;
1514    if (*p == 0) continue;    if (*p == 0) continue;
1515    
1516    /* Get the delimiter and seek the end of the pattern; if is isn't    /* See if the pattern is to be loaded pre-compiled from a file. */
1517    complete, read more. */  
1518      if (*p == '<' && strchr((char *)(p+1), '<') == NULL)
1519        {
1520        unsigned long int magic, get_options;
1521        uschar sbuf[8];
1522        FILE *f;
1523    
1524        p++;
1525        pp = p + (int)strlen((char *)p);
1526        while (isspace(pp[-1])) pp--;
1527        *pp = 0;
1528    
1529        f = fopen((char *)p, "rb");
1530        if (f == NULL)
1531          {
1532          fprintf(outfile, "Failed to open %s: %s\n", p, strerror(errno));
1533          continue;
1534          }
1535    
1536        if (fread(sbuf, 1, 8, f) != 8) goto FAIL_READ;
1537    
1538        true_size =
1539          (sbuf[0] << 24) | (sbuf[1] << 16) | (sbuf[2] << 8) | sbuf[3];
1540        true_study_size =
1541          (sbuf[4] << 24) | (sbuf[5] << 16) | (sbuf[6] << 8) | sbuf[7];
1542    
1543        re = (real_pcre *)new_malloc(true_size);
1544        regex_gotten_store = gotten_store;
1545    
1546        if (fread(re, 1, true_size, f) != true_size) goto FAIL_READ;
1547    
1548        magic = ((real_pcre *)re)->magic_number;
1549        if (magic != MAGIC_NUMBER)
1550          {
1551          if (byteflip(magic, sizeof(magic)) == MAGIC_NUMBER)
1552            {
1553            do_flip = 1;
1554            }
1555          else
1556            {
1557            fprintf(outfile, "Data in %s is not a compiled PCRE regex\n", p);
1558            fclose(f);
1559            continue;
1560            }
1561          }
1562    
1563        fprintf(outfile, "Compiled pattern%s loaded from %s\n",
1564          do_flip? " (byte-inverted)" : "", p);
1565    
1566        /* Need to know if UTF-8 for printing data strings */
1567    
1568        new_info(re, NULL, PCRE_INFO_OPTIONS, &get_options);
1569        use_utf8 = (get_options & PCRE_UTF8) != 0;
1570    
1571        /* Now see if there is any following study data. */
1572    
1573        if (true_study_size != 0)
1574          {
1575          pcre_study_data *psd;
1576    
1577          extra = (pcre_extra *)new_malloc(sizeof(pcre_extra) + true_study_size);
1578          extra->flags = PCRE_EXTRA_STUDY_DATA;
1579    
1580          psd = (pcre_study_data *)(((char *)extra) + sizeof(pcre_extra));
1581          extra->study_data = psd;
1582    
1583          if (fread(psd, 1, true_study_size, f) != true_study_size)
1584            {
1585            FAIL_READ:
1586            fprintf(outfile, "Failed to read data from %s\n", p);
1587            if (extra != NULL) pcre_free_study(extra);
1588            if (re != NULL) new_free(re);
1589            fclose(f);
1590            continue;
1591            }
1592          fprintf(outfile, "Study data loaded from %s\n", p);
1593          do_study = 1;     /* To get the data output if requested */
1594          }
1595        else fprintf(outfile, "No study data\n");
1596    
1597        fclose(f);
1598        goto SHOW_INFO;
1599        }
1600    
1601      /* In-line pattern (the usual case). Get the delimiter and seek the end of
1602      the pattern; if is isn't complete, read more. */
1603    
1604    delimiter = *p++;    delimiter = *p++;
1605    
1606    if (isalnum(delimiter))    if (isalnum(delimiter) || delimiter == '\\')
1607      {      {
1608      fprintf(outfile, "** Delimiter must not be alphameric\n");      fprintf(outfile, "** Delimiter must not be alphanumeric or \\\n");
1609      goto SKIP_DATA;      goto SKIP_DATA;
1610      }      }
1611    
1612    pp = p;    pp = p;
1613      poffset = (int)(p - buffer);
1614    
1615    for(;;)    for(;;)
1616      {      {
1617      while (*pp != 0 && *pp != delimiter) pp++;      while (*pp != 0)
     if (*pp != 0) break;  
   
     len = sizeof(buffer) - (pp - buffer);  
     if (len < 256)  
1618        {        {
1619        fprintf(outfile, "** Expression too long - missing delimiter?\n");        if (*pp == '\\' && pp[1] != 0) pp++;
1620        goto SKIP_DATA;          else if (*pp == delimiter) break;
1621          pp++;
1622        }        }
1623        if (*pp != 0) break;
1624      if (infile == stdin) printf("    > ");      if ((pp = extend_inputline(infile, pp, "    > ")) == NULL)
     if (fgets((char *)pp, len, infile) == NULL)  
1625        {        {
1626        fprintf(outfile, "** Unexpected EOF\n");        fprintf(outfile, "** Unexpected EOF\n");
1627        goto END_OFF;        done = 1;
1628          goto CONTINUE;
1629        }        }
1630      if (infile != stdin) fprintf(outfile, (char *)pp);      if (infile != stdin) fprintf(outfile, "%s", (char *)pp);
1631      }      }
1632    
1633    /* Terminate the pattern at the delimiter */    /* The buffer may have moved while being extended; reset the start of data
1634      pointer to the correct relative point in the buffer. */
1635    
1636      p = buffer + poffset;
1637    
1638      /* If the first character after the delimiter is backslash, make
1639      the pattern end with backslash. This is purely to provide a way
1640      of testing for the error message when a pattern ends with backslash. */
1641    
1642      if (pp[1] == '\\') *pp++ = '\\';
1643    
1644      /* Terminate the pattern at the delimiter, and save a copy of the pattern
1645      for callouts. */
1646    
1647    *pp++ = 0;    *pp++ = 0;
1648      strcpy((char *)pbuffer, (char *)p);
1649    
1650    /* Look for options after final delimiter */    /* Look for options after final delimiter */
1651    
1652    options = 0;    options = 0;
1653    study_options = 0;    log_store = showstore;  /* default from command line */
1654    
1655    while (*pp != 0)    while (*pp != 0)
1656      {      {
1657      switch (*pp++)      switch (*pp++)
1658        {        {
1659          case 'f': options |= PCRE_FIRSTLINE; break;
1660          case 'g': do_g = 1; break;
1661        case 'i': options |= PCRE_CASELESS; break;        case 'i': options |= PCRE_CASELESS; break;
1662        case 'm': options |= PCRE_MULTILINE; break;        case 'm': options |= PCRE_MULTILINE; break;
1663        case 's': options |= PCRE_DOTALL; break;        case 's': options |= PCRE_DOTALL; break;
1664        case 'x': options |= PCRE_EXTENDED; break;        case 'x': options |= PCRE_EXTENDED; break;
1665    
1666          case '+':
1667          if (do_showrest) do_showcaprest = 1; else do_showrest = 1;
1668          break;
1669    
1670          case '=': do_allcaps = 1; break;
1671        case 'A': options |= PCRE_ANCHORED; break;        case 'A': options |= PCRE_ANCHORED; break;
1672        case 'D': do_debug = 1; break;        case 'B': do_debug = 1; break;
1673          case 'C': options |= PCRE_AUTO_CALLOUT; break;
1674          case 'D': do_debug = do_showinfo = 1; break;
1675        case 'E': options |= PCRE_DOLLAR_ENDONLY; break;        case 'E': options |= PCRE_DOLLAR_ENDONLY; break;
1676          case 'F': do_flip = 1; break;
1677          case 'G': do_G = 1; break;
1678          case 'I': do_showinfo = 1; break;
1679          case 'J': options |= PCRE_DUPNAMES; break;
1680          case 'K': do_mark = 1; break;
1681          case 'M': log_store = 1; break;
1682          case 'N': options |= PCRE_NO_AUTO_CAPTURE; break;
1683    
1684    #if !defined NOPOSIX
1685        case 'P': do_posix = 1; break;        case 'P': do_posix = 1; break;
1686        case 'S': do_study = 1; break;  #endif
1687        case 'I': study_options |= PCRE_CASELESS; break;  
1688          case 'S':
1689          if (do_study == 0)
1690            {
1691            do_study = 1;
1692            if (*pp == '+')
1693              {
1694              study_options |= PCRE_STUDY_JIT_COMPILE;
1695              pp++;
1696              }
1697            }
1698          else
1699            {
1700            do_study = 0;
1701            no_force_study = 1;
1702            }
1703          break;
1704    
1705          case 'U': options |= PCRE_UNGREEDY; break;
1706          case 'W': options |= PCRE_UCP; break;
1707        case 'X': options |= PCRE_EXTRA; break;        case 'X': options |= PCRE_EXTRA; break;
1708        case '\n': case ' ': break;        case 'Y': options |= PCRE_NO_START_OPTIMISE; break;
1709          case 'Z': debug_lengths = 0; break;
1710          case '8': options |= PCRE_UTF8; use_utf8 = 1; break;
1711          case '?': options |= PCRE_NO_UTF8_CHECK; break;
1712    
1713          case 'T':
1714          switch (*pp++)
1715            {
1716            case '0': tables = tables0; break;
1717            case '1': tables = tables1; break;
1718    
1719            case '\r':
1720            case '\n':
1721            case ' ':
1722            case 0:
1723            fprintf(outfile, "** Missing table number after /T\n");
1724            goto SKIP_DATA;
1725    
1726            default:
1727            fprintf(outfile, "** Bad table number \"%c\" after /T\n", pp[-1]);
1728            goto SKIP_DATA;
1729            }
1730          break;
1731    
1732          case 'L':
1733          ppp = pp;
1734          /* The '\r' test here is so that it works on Windows. */
1735          /* The '0' test is just in case this is an unterminated line. */
1736          while (*ppp != 0 && *ppp != '\n' && *ppp != '\r' && *ppp != ' ') ppp++;
1737          *ppp = 0;
1738          if (setlocale(LC_CTYPE, (const char *)pp) == NULL)
1739            {
1740            fprintf(outfile, "** Failed to set locale \"%s\"\n", pp);
1741            goto SKIP_DATA;
1742            }
1743          locale_set = 1;
1744          tables = pcre_maketables();
1745          pp = ppp;
1746          break;
1747    
1748          case '>':
1749          to_file = pp;
1750          while (*pp != 0) pp++;
1751          while (isspace(pp[-1])) pp--;
1752          *pp = 0;
1753          break;
1754    
1755          case '<':
1756            {
1757            if (strncmpic(pp, (uschar *)"JS>", 3) == 0)
1758              {
1759              options |= PCRE_JAVASCRIPT_COMPAT;
1760              pp += 3;
1761              }
1762            else
1763              {
1764              int x = check_newline(pp, outfile);
1765              if (x == 0) goto SKIP_DATA;
1766              options |= x;
1767              while (*pp++ != '>');
1768              }
1769            }
1770          break;
1771    
1772          case '\r':                      /* So that it works in Windows */
1773          case '\n':
1774          case ' ':
1775          break;
1776    
1777        default:        default:
1778        fprintf(outfile, "** Unknown option '%c'\n", pp[-1]);        fprintf(outfile, "** Unknown option '%c'\n", pp[-1]);
1779        goto SKIP_DATA;        goto SKIP_DATA;
1780        }        }
1781      }      }
1782    
1783    /* Handle compiing via the POSIX interface, which doesn't support the    /* Handle compiling via the POSIX interface, which doesn't support the
1784    timing, showing, or debugging options. */    timing, showing, or debugging options, nor the ability to pass over
1785      local character tables. */
1786    
1787    #if !defined NOPOSIX
1788    if (posix || do_posix)    if (posix || do_posix)
1789      {      {
1790      int rc;      int rc;
1791      int cflags = 0;      int cflags = 0;
1792    
1793      if ((options & PCRE_CASELESS) != 0) cflags |= REG_ICASE;      if ((options & PCRE_CASELESS) != 0) cflags |= REG_ICASE;
1794      if ((options & PCRE_MULTILINE) != 0) cflags |= REG_NEWLINE;      if ((options & PCRE_MULTILINE) != 0) cflags |= REG_NEWLINE;
1795        if ((options & PCRE_DOTALL) != 0) cflags |= REG_DOTALL;
1796        if ((options & PCRE_NO_AUTO_CAPTURE) != 0) cflags |= REG_NOSUB;
1797        if ((options & PCRE_UTF8) != 0) cflags |= REG_UTF8;
1798        if ((options & PCRE_UCP) != 0) cflags |= REG_UCP;
1799        if ((options & PCRE_UNGREEDY) != 0) cflags |= REG_UNGREEDY;
1800    
1801      rc = regcomp(&preg, (char *)p, cflags);      rc = regcomp(&preg, (char *)p, cflags);
1802    
1803      /* Compilation failed; go back for another re, skipping to blank line      /* Compilation failed; go back for another re, skipping to blank line
# Line 426  for (;;) Line 1805  for (;;)
1805    
1806      if (rc != 0)      if (rc != 0)
1807        {        {
1808        (void)regerror(rc, &preg, (char *)buffer, sizeof(buffer));        (void)regerror(rc, &preg, (char *)buffer, buffer_size);
1809        fprintf(outfile, "Failed: POSIX code %d: %s\n", rc, buffer);        fprintf(outfile, "Failed: POSIX code %d: %s\n", rc, buffer);
1810        goto SKIP_DATA;        goto SKIP_DATA;
1811        }        }
# Line 435  for (;;) Line 1814  for (;;)
1814    /* Handle compiling via the native interface */    /* Handle compiling via the native interface */
1815    
1816    else    else
1817    #endif  /* !defined NOPOSIX */
1818    
1819      {      {
1820      if (timeit)      unsigned long int get_options;
1821    
1822        if (timeit > 0)
1823        {        {
1824        register int i;        register int i;
1825        clock_t time_taken;        clock_t time_taken;
1826        clock_t start_time = clock();        clock_t start_time = clock();
1827        for (i = 0; i < 4000; i++)        for (i = 0; i < timeit; i++)
1828          {          {
1829          re = pcre_compile((char *)p, options, &error, &erroroffset);          re = pcre_compile((char *)p, options, &error, &erroroffset, tables);
1830          if (re != NULL) free(re);          if (re != NULL) free(re);
1831          }          }
1832        time_taken = clock() - start_time;        time_taken = clock() - start_time;
1833        fprintf(outfile, "Compile time %.2f milliseconds\n",        fprintf(outfile, "Compile time %.4f milliseconds\n",
1834          ((double)time_taken)/(4 * CLOCKS_PER_SEC));          (((double)time_taken * 1000.0) / (double)timeit) /
1835              (double)CLOCKS_PER_SEC);
1836        }        }
1837    
1838      re = pcre_compile((char *)p, options, &error, &erroroffset);      re = pcre_compile((char *)p, options, &error, &erroroffset, tables);
1839    
1840      /* Compilation failed; go back for another re, skipping to blank line      /* Compilation failed; go back for another re, skipping to blank line
1841      if non-interactive. */      if non-interactive. */
# Line 464  for (;;) Line 1848  for (;;)
1848          {          {
1849          for (;;)          for (;;)
1850            {            {
1851            if (fgets((char *)buffer, sizeof(buffer), infile) == NULL)            if (extend_inputline(infile, buffer, NULL) == NULL)
1852              goto END_OFF;              {
1853                done = 1;
1854                goto CONTINUE;
1855                }
1856            len = (int)strlen((char *)buffer);            len = (int)strlen((char *)buffer);
1857            while (len > 0 && isspace(buffer[len-1])) len--;            while (len > 0 && isspace(buffer[len-1])) len--;
1858            if (len == 0) break;            if (len == 0) break;
1859            }            }
1860          fprintf(outfile, "\n");          fprintf(outfile, "\n");
1861          }          }
1862        continue;        goto CONTINUE;
1863          }
1864    
1865        /* Compilation succeeded. It is now possible to set the UTF-8 option from
1866        within the regex; check for this so that we know how to process the data
1867        lines. */
1868    
1869        new_info(re, NULL, PCRE_INFO_OPTIONS, &get_options);
1870        if ((get_options & PCRE_UTF8) != 0) use_utf8 = 1;
1871    
1872        /* Print information if required. There are now two info-returning
1873        functions. The old one has a limited interface and returns only limited
1874        data. Check that it agrees with the newer one. */
1875    
1876        if (log_store)
1877          fprintf(outfile, "Memory allocation (code space): %d\n",
1878            (int)(gotten_store -
1879                  sizeof(real_pcre) -
1880                  ((real_pcre *)re)->name_count * ((real_pcre *)re)->name_entry_size));
1881    
1882        /* Extract the size for possible writing before possibly flipping it,
1883        and remember the store that was got. */
1884    
1885        true_size = ((real_pcre *)re)->size;
1886        regex_gotten_store = gotten_store;
1887    
1888        /* If -s or /S was present, study the regex to generate additional info to
1889        help with the matching, unless the pattern has the SS option, which
1890        suppresses the effect of /S (used for a few test patterns where studying is
1891        never sensible). */
1892    
1893        if (do_study || (force_study >= 0 && !no_force_study))
1894          {
1895          if (timeit > 0)
1896            {
1897            register int i;
1898            clock_t time_taken;
1899            clock_t start_time = clock();
1900            for (i = 0; i < timeit; i++)
1901              extra = pcre_study(re, study_options | force_study_options, &error);
1902            time_taken = clock() - start_time;
1903            if (extra != NULL) pcre_free_study(extra);
1904            fprintf(outfile, "  Study time %.4f milliseconds\n",
1905              (((double)time_taken * 1000.0) / (double)timeit) /
1906                (double)CLOCKS_PER_SEC);
1907            }
1908          extra = pcre_study(re, study_options | force_study_options, &error);
1909          if (error != NULL)
1910            fprintf(outfile, "Failed to study: %s\n", error);
1911          else if (extra != NULL)
1912            true_study_size = ((pcre_study_data *)(extra->study_data))->size;
1913          }
1914    
1915        /* If /K was present, we set up for handling MARK data. */
1916    
1917        if (do_mark)
1918          {
1919          if (extra == NULL)
1920            {
1921            extra = (pcre_extra *)malloc(sizeof(pcre_extra));
1922            extra->flags = 0;
1923            }
1924          extra->mark = &markptr;
1925          extra->flags |= PCRE_EXTRA_MARK;
1926          }
1927    
1928        /* If the 'F' option was present, we flip the bytes of all the integer
1929        fields in the regex data block and the study block. This is to make it
1930        possible to test PCRE's handling of byte-flipped patterns, e.g. those
1931        compiled on a different architecture. */
1932    
1933        if (do_flip)
1934          {
1935          real_pcre *rre = (real_pcre *)re;
1936          rre->magic_number =
1937            byteflip(rre->magic_number, sizeof(rre->magic_number));
1938          rre->size = byteflip(rre->size, sizeof(rre->size));
1939          rre->options = byteflip(rre->options, sizeof(rre->options));
1940          rre->flags = (pcre_uint16)byteflip(rre->flags, sizeof(rre->flags));
1941          rre->top_bracket =
1942            (pcre_uint16)byteflip(rre->top_bracket, sizeof(rre->top_bracket));
1943          rre->top_backref =
1944            (pcre_uint16)byteflip(rre->top_backref, sizeof(rre->top_backref));
1945          rre->first_byte =
1946            (pcre_uint16)byteflip(rre->first_byte, sizeof(rre->first_byte));
1947          rre->req_byte =
1948            (pcre_uint16)byteflip(rre->req_byte, sizeof(rre->req_byte));
1949          rre->name_table_offset = (pcre_uint16)byteflip(rre->name_table_offset,
1950            sizeof(rre->name_table_offset));
1951          rre->name_entry_size = (pcre_uint16)byteflip(rre->name_entry_size,
1952            sizeof(rre->name_entry_size));
1953          rre->name_count = (pcre_uint16)byteflip(rre->name_count,
1954            sizeof(rre->name_count));
1955    
1956          if (extra != NULL)
1957            {
1958            pcre_study_data *rsd = (pcre_study_data *)(extra->study_data);
1959            rsd->size = byteflip(rsd->size, sizeof(rsd->size));
1960            rsd->flags = byteflip(rsd->flags, sizeof(rsd->flags));
1961            rsd->minlength = byteflip(rsd->minlength, sizeof(rsd->minlength));
1962            }
1963        }        }
1964    
1965      /* Compilation succeeded; print data if required */      /* Extract information from the compiled data if required */
1966    
1967      if (showinfo || do_debug)      SHOW_INFO:
1968    
1969        if (do_debug)
1970        {        {
1971        int first_char, count;        fprintf(outfile, "------------------------------------------------------------------\n");
1972          pcre_printint(re, outfile, debug_lengths);
1973          }
1974    
1975        if (debug || do_debug) print_internals(re);      /* We already have the options in get_options (see above) */
1976    
1977        if (do_showinfo)
1978          {
1979          unsigned long int all_options;
1980    #if !defined NOINFOCHECK
1981          int old_first_char, old_options, old_count;
1982    #endif
1983          int count, backrefmax, first_char, need_char, okpartial, jchanged,
1984            hascrorlf;
1985          int nameentrysize, namecount;
1986          const uschar *nametable;
1987    
1988          new_info(re, NULL, PCRE_INFO_SIZE, &size);
1989          new_info(re, NULL, PCRE_INFO_CAPTURECOUNT, &count);
1990          new_info(re, NULL, PCRE_INFO_BACKREFMAX, &backrefmax);
1991          new_info(re, NULL, PCRE_INFO_FIRSTBYTE, &first_char);
1992          new_info(re, NULL, PCRE_INFO_LASTLITERAL, &need_char);
1993          new_info(re, NULL, PCRE_INFO_NAMEENTRYSIZE, &nameentrysize);
1994          new_info(re, NULL, PCRE_INFO_NAMECOUNT, &namecount);
1995          new_info(re, NULL, PCRE_INFO_NAMETABLE, (void *)&nametable);
1996          new_info(re, NULL, PCRE_INFO_OKPARTIAL, &okpartial);
1997          new_info(re, NULL, PCRE_INFO_JCHANGED, &jchanged);
1998          new_info(re, NULL, PCRE_INFO_HASCRORLF, &hascrorlf);
1999    
2000        count = pcre_info(re, &options, &first_char);  #if !defined NOINFOCHECK
2001          old_count = pcre_info(re, &old_options, &old_first_char);
2002        if (count < 0) fprintf(outfile,        if (count < 0) fprintf(outfile,
2003          "Error %d while reading info\n", count);          "Error %d from pcre_info()\n", count);
2004        else        else
2005          {          {
2006          fprintf(outfile, "Identifying subpattern count = %d\n", count);          if (old_count != count) fprintf(outfile,
2007          if (options == 0) fprintf(outfile, "No options\n");            "Count disagreement: pcre_fullinfo=%d pcre_info=%d\n", count,
2008            else fprintf(outfile, "Options:%s%s%s%s%s%s%s\n",              old_count);
2009              ((options & PCRE_ANCHORED) != 0)? " anchored" : "",  
2010              ((options & PCRE_CASELESS) != 0)? " caseless" : "",          if (old_first_char != first_char) fprintf(outfile,
2011              ((options & PCRE_EXTENDED) != 0)? " extended" : "",            "First char disagreement: pcre_fullinfo=%d pcre_info=%d\n",
2012              ((options & PCRE_MULTILINE) != 0)? " multiline" : "",              first_char, old_first_char);
2013              ((options & PCRE_DOTALL) != 0)? " dotall" : "",  
2014              ((options & PCRE_DOLLAR_ENDONLY) != 0)? " dollar_endonly" : "",          if (old_options != (int)get_options) fprintf(outfile,
2015              ((options & PCRE_EXTRA) != 0)? " extra" : "");            "Options disagreement: pcre_fullinfo=%ld pcre_info=%d\n",
2016          if (first_char == -1)              get_options, old_options);
2017            {          }
2018            fprintf(outfile, "First char at start or follows \\n\n");  #endif
2019            }  
2020          else if (first_char < 0)        if (size != regex_gotten_store) fprintf(outfile,
2021            {          "Size disagreement: pcre_fullinfo=%d call to malloc for %d\n",
2022            fprintf(outfile, "No first char\n");          (int)size, (int)regex_gotten_store);
2023            }  
2024          else        fprintf(outfile, "Capturing subpattern count = %d\n", count);
2025          if (backrefmax > 0)
2026            fprintf(outfile, "Max back reference = %d\n", backrefmax);
2027    
2028          if (namecount > 0)
2029            {
2030            fprintf(outfile, "Named capturing subpatterns:\n");
2031            while (namecount-- > 0)
2032            {            {
2033            if (isprint(first_char))            fprintf(outfile, "  %s %*s%3d\n", nametable + 2,
2034              fprintf(outfile, "First char = \'%c\'\n", first_char);              nameentrysize - 3 - (int)strlen((char *)nametable + 2), "",
2035            else              GET2(nametable, 0));
2036              fprintf(outfile, "First char = %d\n", first_char);            nametable += nameentrysize;
2037            }            }
2038          }          }
       }  
2039    
2040      /* If /S was present, study the regexp to generate additional info to        if (!okpartial) fprintf(outfile, "Partial matching not supported\n");
2041      help with the matching. */        if (hascrorlf) fprintf(outfile, "Contains explicit CR or LF match\n");
2042    
2043      if (do_study)        all_options = ((real_pcre *)re)->options;
2044        {        if (do_flip) all_options = byteflip(all_options, sizeof(all_options));
2045        if (timeit)  
2046          if (get_options == 0) fprintf(outfile, "No options\n");
2047            else fprintf(outfile, "Options:%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s\n",
2048              ((get_options & PCRE_ANCHORED) != 0)? " anchored" : "",
2049              ((get_options & PCRE_CASELESS) != 0)? " caseless" : "",
2050              ((get_options & PCRE_EXTENDED) != 0)? " extended" : "",
2051              ((get_options & PCRE_MULTILINE) != 0)? " multiline" : "",
2052              ((get_options & PCRE_FIRSTLINE) != 0)? " firstline" : "",
2053              ((get_options & PCRE_DOTALL) != 0)? " dotall" : "",
2054              ((get_options & PCRE_BSR_ANYCRLF) != 0)? " bsr_anycrlf" : "",
2055              ((get_options & PCRE_BSR_UNICODE) != 0)? " bsr_unicode" : "",
2056              ((get_options & PCRE_DOLLAR_ENDONLY) != 0)? " dollar_endonly" : "",
2057              ((get_options & PCRE_EXTRA) != 0)? " extra" : "",
2058              ((get_options & PCRE_UNGREEDY) != 0)? " ungreedy" : "",
2059              ((get_options & PCRE_NO_AUTO_CAPTURE) != 0)? " no_auto_capture" : "",
2060              ((get_options & PCRE_UTF8) != 0)? " utf8" : "",
2061              ((get_options & PCRE_UCP) != 0)? " ucp" : "",
2062              ((get_options & PCRE_NO_UTF8_CHECK) != 0)? " no_utf8_check" : "",
2063              ((get_options & PCRE_NO_START_OPTIMIZE) != 0)? " no_start_optimize" : "",
2064              ((get_options & PCRE_DUPNAMES) != 0)? " dupnames" : "");
2065    
2066          if (jchanged) fprintf(outfile, "Duplicate name status changes\n");
2067    
2068          switch (get_options & PCRE_NEWLINE_BITS)
2069          {          {
2070          register int i;          case PCRE_NEWLINE_CR:
2071          clock_t time_taken;          fprintf(outfile, "Forced newline sequence: CR\n");
2072          clock_t start_time = clock();          break;
2073          for (i = 0; i < 4000; i++)  
2074            extra = pcre_study(re, study_options, &error);          case PCRE_NEWLINE_LF:
2075          time_taken = clock() - start_time;          fprintf(outfile, "Forced newline sequence: LF\n");
2076          if (extra != NULL) free(extra);          break;
2077          fprintf(outfile, "  Study time %.2f milliseconds\n",  
2078            ((double)time_taken)/(4 * CLOCKS_PER_SEC));          case PCRE_NEWLINE_CRLF:
2079            fprintf(outfile, "Forced newline sequence: CRLF\n");
2080            break;
2081    
2082            case PCRE_NEWLINE_ANYCRLF:
2083            fprintf(outfile, "Forced newline sequence: ANYCRLF\n");
2084            break;
2085    
2086            case PCRE_NEWLINE_ANY:
2087            fprintf(outfile, "Forced newline sequence: ANY\n");
2088            break;
2089    
2090            default:
2091            break;
2092          }          }
2093    
2094        extra = pcre_study(re, study_options, &error);        if (first_char == -1)
2095        if (error != NULL)          {
2096          fprintf(outfile, "Failed to study: %s\n", error);          fprintf(outfile, "First char at start or follows newline\n");
2097        else if (extra == NULL)          }
2098          fprintf(outfile, "Study returned NULL\n");        else if (first_char < 0)
2099            {
2100            fprintf(outfile, "No first char\n");
2101            }
2102          else
2103            {
2104            int ch = first_char & 255;
2105            const char *caseless = ((first_char & REQ_CASELESS) == 0)?
2106              "" : " (caseless)";
2107            if (PRINTHEX(ch))
2108              fprintf(outfile, "First char = \'%c\'%s\n", ch, caseless);
2109            else
2110              fprintf(outfile, "First char = %d%s\n", ch, caseless);
2111            }
2112    
2113          if (need_char < 0)
2114            {
2115            fprintf(outfile, "No need char\n");
2116            }
2117          else
2118            {
2119            int ch = need_char & 255;
2120            const char *caseless = ((need_char & REQ_CASELESS) == 0)?
2121              "" : " (caseless)";
2122            if (PRINTHEX(ch))
2123              fprintf(outfile, "Need char = \'%c\'%s\n", ch, caseless);
2124            else
2125              fprintf(outfile, "Need char = %d%s\n", ch, caseless);
2126            }
2127    
2128        /* This looks at internal information. A bit kludgy to do it this        /* Don't output study size; at present it is in any case a fixed
2129        way, but it is useful for testing. */        value, but it varies, depending on the computer architecture, and
2130          so messes up the test suite. (And with the /F option, it might be
2131          flipped.) If study was forced by an external -s, don't show this
2132          information unless -i or -d was also present. This means that, except
2133          when auto-callouts are involved, the output from runs with and without
2134          -s should be identical. */
2135    
2136        else if (showinfo || do_debug)        if (do_study || (force_study >= 0 && showinfo && !no_force_study))
2137          {          {
2138          real_pcre_extra *xx = (real_pcre_extra *)extra;          if (extra == NULL)
2139          if ((xx->options & PCRE_STUDY_MAPPED) == 0)            fprintf(outfile, "Study returned NULL\n");
           fprintf(outfile, "No starting character set\n");  
2140          else          else
2141            {            {
2142            int i;            uschar *start_bits = NULL;
2143            int c = 24;            int minlength;
2144            fprintf(outfile, "Starting character set: ");  
2145            for (i = 0; i < 256; i++)            new_info(re, extra, PCRE_INFO_MINLENGTH, &minlength);
2146              fprintf(outfile, "Subject length lower bound = %d\n", minlength);
2147    
2148              new_info(re, extra, PCRE_INFO_FIRSTTABLE, &start_bits);
2149              if (start_bits == NULL)
2150                fprintf(outfile, "No set of starting bytes\n");
2151              else
2152              {              {
2153              if ((xx->start_bits[i/8] & (1<<(i%8))) != 0)              int i;
2154                int c = 24;
2155                fprintf(outfile, "Starting byte set: ");
2156                for (i = 0; i < 256; i++)
2157                {                {
2158                if (c > 75)                if ((start_bits[i/8] & (1<<(i&7))) != 0)
                 {  
                 fprintf(outfile, "\n  ");  
                 c = 2;  
                 }  
               if (isprint(i) && i != ' ')  
                 {  
                 fprintf(outfile, "%c ", i);  
                 c += 2;  
                 }  
               else  
2159                  {                  {
2160                  fprintf(outfile, "\\x%02x ", i);                  if (c > 75)
2161                  c += 5;                    {
2162                      fprintf(outfile, "\n  ");
2163                      c = 2;
2164                      }
2165                    if (PRINTHEX(i) && i != ' ')
2166                      {
2167                      fprintf(outfile, "%c ", i);
2168                      c += 2;
2169                      }
2170                    else
2171                      {
2172                      fprintf(outfile, "\\x%02x ", i);
2173                      c += 5;
2174                      }
2175                  }                  }
2176                }                }
2177                fprintf(outfile, "\n");
2178                }
2179              }
2180    
2181            /* Show this only if the JIT was set by /S, not by -s. */
2182    
2183            if ((study_options & PCRE_STUDY_JIT_COMPILE) != 0)
2184              {
2185              int jit;
2186              new_info(re, extra, PCRE_INFO_JIT, &jit);
2187              if (jit)
2188                fprintf(outfile, "JIT study was successful\n");
2189              else
2190    #ifdef SUPPORT_JIT
2191                fprintf(outfile, "JIT study was not successful\n");
2192    #else
2193                fprintf(outfile, "JIT support is not available in this version of PCRE\n");
2194    #endif
2195              }
2196            }
2197          }
2198    
2199        /* If the '>' option was present, we write out the regex to a file, and
2200        that is all. The first 8 bytes of the file are the regex length and then
2201        the study length, in big-endian order. */
2202    
2203        if (to_file != NULL)
2204          {
2205          FILE *f = fopen((char *)to_file, "wb");
2206          if (f == NULL)
2207            {
2208            fprintf(outfile, "Unable to open %s: %s\n", to_file, strerror(errno));
2209            }
2210          else
2211            {
2212            uschar sbuf[8];
2213            sbuf[0] = (uschar)((true_size >> 24) & 255);
2214            sbuf[1] = (uschar)((true_size >> 16) & 255);
2215            sbuf[2] = (uschar)((true_size >>  8) & 255);
2216            sbuf[3] = (uschar)((true_size) & 255);
2217    
2218            sbuf[4] = (uschar)((true_study_size >> 24) & 255);
2219            sbuf[5] = (uschar)((true_study_size >> 16) & 255);
2220            sbuf[6] = (uschar)((true_study_size >>  8) & 255);
2221            sbuf[7] = (uschar)((true_study_size) & 255);
2222    
2223            if (fwrite(sbuf, 1, 8, f) < 8 ||
2224                fwrite(re, 1, true_size, f) < true_size)
2225              {
2226              fprintf(outfile, "Write error on %s: %s\n", to_file, strerror(errno));
2227              }
2228            else
2229              {
2230              fprintf(outfile, "Compiled pattern written to %s\n", to_file);
2231    
2232              /* If there is study data, write it. */
2233    
2234              if (extra != NULL)
2235                {
2236                if (fwrite(extra->study_data, 1, true_study_size, f) <
2237                    true_study_size)
2238                  {
2239                  fprintf(outfile, "Write error on %s: %s\n", to_file,
2240                    strerror(errno));
2241                  }
2242                else fprintf(outfile, "Study data written to %s\n", to_file);
2243              }              }
           fprintf(outfile, "\n");  
2244            }            }
2245            fclose(f);
2246            }
2247    
2248          new_free(re);
2249          if (extra != NULL) pcre_free_study(extra);
2250          if (locale_set)
2251            {
2252            new_free((void *)tables);
2253            setlocale(LC_CTYPE, "C");
2254            locale_set = 0;
2255          }          }
2256          continue;  /* With next regex */
2257        }        }
2258      }      }        /* End of non-POSIX compile */
2259    
2260    /* Read data lines and test them */    /* Read data lines and test them */
2261    
2262    for (;;)    for (;;)
2263      {      {
2264      unsigned char *q;      uschar *q;
2265        uschar *bptr;
2266        int *use_offsets = offsets;
2267        int use_size_offsets = size_offsets;
2268        int callout_data = 0;
2269        int callout_data_set = 0;
2270      int count, c;      int count, c;
2271      int offsets[30];      int copystrings = 0;
2272      int size_offsets = sizeof(offsets)/sizeof(int);      int find_match_limit = default_find_match_limit;
2273        int getstrings = 0;
2274        int getlist = 0;
2275        int gmatched = 0;
2276        int start_offset = 0;
2277        int start_offset_sign = 1;
2278        int g_notempty = 0;
2279        int use_dfa = 0;
2280    
2281      options = 0;      options = 0;
2282    
2283      if (infile == stdin) printf("  data> ");      *copynames = 0;
2284      if (fgets((char *)buffer, sizeof(buffer), infile) == NULL) goto END_OFF;      *getnames = 0;
2285      if (infile != stdin) fprintf(outfile, (char *)buffer);  
2286        copynamesptr = copynames;
2287        getnamesptr = getnames;
2288    
2289        pcre_callout = callout;
2290        first_callout = 1;
2291        last_callout_mark = NULL;
2292        callout_extra = 0;
2293        callout_count = 0;
2294        callout_fail_count = 999999;
2295        callout_fail_id = -1;
2296        show_malloc = 0;
2297    
2298        if (extra != NULL) extra->flags &=
2299          ~(PCRE_EXTRA_MATCH_LIMIT|PCRE_EXTRA_MATCH_LIMIT_RECURSION);
2300    
2301        len = 0;
2302        for (;;)
2303          {
2304          if (extend_inputline(infile, buffer + len, "data> ") == NULL)
2305            {
2306            if (len > 0)    /* Reached EOF without hitting a newline */
2307              {
2308              fprintf(outfile, "\n");
2309              break;
2310              }
2311            done = 1;
2312            goto CONTINUE;
2313            }
2314          if (infile != stdin) fprintf(outfile, "%s", (char *)buffer);
2315          len = (int)strlen((char *)buffer);
2316          if (buffer[len-1] == '\n') break;
2317          }
2318    
     len = (int)strlen((char *)buffer);  
2319      while (len > 0 && isspace(buffer[len-1])) len--;      while (len > 0 && isspace(buffer[len-1])) len--;
2320      buffer[len] = 0;      buffer[len] = 0;
2321      if (len == 0) break;      if (len == 0) break;
# Line 603  for (;;) Line 2323  for (;;)
2323      p = buffer;      p = buffer;
2324      while (isspace(*p)) p++;      while (isspace(*p)) p++;
2325    
2326      q = dbuffer;      bptr = q = dbuffer;
2327      while ((c = *p++) != 0)      while ((c = *p++) != 0)
2328        {        {
2329        int i = 0;        int i = 0;
2330        int n = 0;        int n = 0;
2331    
2332        if (c == '\\') switch ((c = *p++))        if (c == '\\') switch ((c = *p++))
2333          {          {
2334          case 'a': c =    7; break;          case 'a': c =    7; break;
# Line 624  for (;;) Line 2345  for (;;)
2345          c -= '0';          c -= '0';
2346          while (i++ < 2 && isdigit(*p) && *p != '8' && *p != '9')          while (i++ < 2 && isdigit(*p) && *p != '8' && *p != '9')
2347            c = c * 8 + *p++ - '0';            c = c * 8 + *p++ - '0';
2348    
2349    #if !defined NOUTF8
2350            if (use_utf8 && c > 255)
2351              {
2352              unsigned char buff8[8];
2353              int ii, utn;
2354              utn = ord2utf8(c, buff8);
2355              for (ii = 0; ii < utn - 1; ii++) *q++ = buff8[ii];
2356              c = buff8[ii];   /* Last byte */
2357              }
2358    #endif
2359          break;          break;
2360    
2361          case 'x':          case 'x':
2362    
2363            /* Handle \x{..} specially - new Perl thing for utf8 */
2364    
2365    #if !defined NOUTF8
2366            if (*p == '{')
2367              {
2368              unsigned char *pt = p;
2369              c = 0;
2370              while (isxdigit(*(++pt)))
2371                c = c * 16 + tolower(*pt) - ((isdigit(*pt))? '0' : 'W');
2372              if (*pt == '}')
2373                {
2374                unsigned char buff8[8];
2375                int ii, utn;
2376                if (use_utf8)
2377                  {
2378                  utn = ord2utf8(c, buff8);
2379                  for (ii = 0; ii < utn - 1; ii++) *q++ = buff8[ii];
2380                  c = buff8[ii];   /* Last byte */
2381                  }
2382                else
2383                 {
2384                 if (c > 255)
2385                   fprintf(outfile, "** Character \\x{%x} is greater than 255 and "
2386                     "UTF-8 mode is not enabled.\n"
2387                     "** Truncation will probably give the wrong result.\n", c);
2388                 }
2389                p = pt + 1;
2390                break;
2391                }
2392              /* Not correct form; fall through */
2393              }
2394    #endif
2395    
2396            /* Ordinary \x */
2397    
2398          c = 0;          c = 0;
2399          while (i++ < 2 && isxdigit(*p))          while (i++ < 2 && isxdigit(*p))
2400            {            {
# Line 635  for (;;) Line 2403  for (;;)
2403            }            }
2404          break;          break;
2405    
2406          case 0:   /* Allows for an empty line */          case 0:   /* \ followed by EOF allows for an empty line */
2407          p--;          p--;
2408          continue;          continue;
2409    
2410            case '>':
2411            if (*p == '-')
2412              {
2413              start_offset_sign = -1;
2414              p++;
2415              }
2416            while(isdigit(*p)) start_offset = start_offset * 10 + *p++ - '0';
2417            start_offset *= start_offset_sign;
2418            continue;
2419    
2420          case 'A':  /* Option setting */          case 'A':  /* Option setting */
2421          options |= PCRE_ANCHORED;          options |= PCRE_ANCHORED;
2422          continue;          continue;
# Line 647  for (;;) Line 2425  for (;;)
2425          options |= PCRE_NOTBOL;          options |= PCRE_NOTBOL;
2426          continue;          continue;
2427    
2428          case 'E':          case 'C':
2429          options |= PCRE_DOLLAR_ENDONLY;          if (isdigit(*p))    /* Set copy string */
2430              {
2431              while(isdigit(*p)) n = n * 10 + *p++ - '0';
2432              copystrings |= 1 << n;
2433              }
2434            else if (isalnum(*p))
2435              {
2436              uschar *npp = copynamesptr;
2437              while (isalnum(*p)) *npp++ = *p++;
2438              *npp++ = 0;
2439              *npp = 0;
2440              n = pcre_get_stringnumber(re, (char *)copynamesptr);
2441              if (n < 0)
2442                fprintf(outfile, "no parentheses with name \"%s\"\n", copynamesptr);
2443              copynamesptr = npp;
2444              }
2445            else if (*p == '+')
2446              {
2447              callout_extra = 1;
2448              p++;
2449              }
2450            else if (*p == '-')
2451              {
2452              pcre_callout = NULL;
2453              p++;
2454              }
2455            else if (*p == '!')
2456              {
2457              callout_fail_id = 0;
2458              p++;
2459              while(isdigit(*p))
2460                callout_fail_id = callout_fail_id * 10 + *p++ - '0';
2461              callout_fail_count = 0;
2462              if (*p == '!')
2463                {
2464                p++;
2465                while(isdigit(*p))
2466                  callout_fail_count = callout_fail_count * 10 + *p++ - '0';
2467                }
2468              }
2469            else if (*p == '*')
2470              {
2471              int sign = 1;
2472              callout_data = 0;
2473              if (*(++p) == '-') { sign = -1; p++; }
2474              while(isdigit(*p))
2475                callout_data = callout_data * 10 + *p++ - '0';
2476              callout_data *= sign;
2477              callout_data_set = 1;
2478              }
2479            continue;
2480    
2481    #if !defined NODFA
2482            case 'D':
2483    #if !defined NOPOSIX
2484            if (posix || do_posix)
2485              printf("** Can't use dfa matching in POSIX mode: \\D ignored\n");
2486            else
2487    #endif
2488              use_dfa = 1;
2489            continue;
2490    #endif
2491    
2492    #if !defined NODFA
2493            case 'F':
2494            options |= PCRE_DFA_SHORTEST;
2495            continue;
2496    #endif
2497    
2498            case 'G':
2499            if (isdigit(*p))
2500              {
2501              while(isdigit(*p)) n = n * 10 + *p++ - '0';
2502              getstrings |= 1 << n;
2503              }
2504            else if (isalnum(*p))
2505              {
2506              uschar *npp = getnamesptr;
2507              while (isalnum(*p)) *npp++ = *p++;
2508              *npp++ = 0;
2509              *npp = 0;
2510              n = pcre_get_stringnumber(re, (char *)getnamesptr);
2511              if (n < 0)
2512                fprintf(outfile, "no parentheses with name \"%s\"\n", getnamesptr);
2513              getnamesptr = npp;
2514              }
2515            continue;
2516    
2517            case 'J':
2518            while(isdigit(*p)) n = n * 10 + *p++ - '0';
2519            if (extra != NULL
2520                && (extra->flags & PCRE_EXTRA_EXECUTABLE_JIT) != 0
2521                && extra->executable_jit != NULL)
2522              {
2523              if (jit_stack != NULL) pcre_jit_stack_free(jit_stack);
2524              jit_stack = pcre_jit_stack_alloc(1, n * 1024);
2525              pcre_assign_jit_stack(extra, jit_callback, jit_stack);
2526              }
2527          continue;          continue;
2528    
2529          case 'I':          case 'L':
2530          options |= PCRE_CASELESS;          getlist = 1;
2531          continue;          continue;
2532    
2533          case 'M':          case 'M':
2534          options |= PCRE_MULTILINE;          find_match_limit = 1;
2535          continue;          continue;
2536    
2537          case 'S':          case 'N':
2538          options |= PCRE_DOTALL;          if ((options & PCRE_NOTEMPTY) != 0)
2539              options = (options & ~PCRE_NOTEMPTY) | PCRE_NOTEMPTY_ATSTART;
2540            else
2541              options |= PCRE_NOTEMPTY;
2542          continue;          continue;
2543    
2544          case 'O':          case 'O':
2545          while(isdigit(*p)) n = n * 10 + *p++ - '0';          while(isdigit(*p)) n = n * 10 + *p++ - '0';
2546          if (n <= (int)(sizeof(offsets)/sizeof(int))) size_offsets = n;          if (n > size_offsets_max)
2547              {
2548              size_offsets_max = n;
2549              free(offsets);
2550              use_offsets = offsets = (int *)malloc(size_offsets_max * sizeof(int));
2551              if (offsets == NULL)
2552                {
2553                printf("** Failed to get %d bytes of memory for offsets vector\n",
2554                  (int)(size_offsets_max * sizeof(int)));
2555                yield = 1;
2556                goto EXIT;
2557                }
2558              }
2559            use_size_offsets = n;
2560            if (n == 0) use_offsets = NULL;   /* Ensures it can't write to it */
2561            continue;
2562    
2563            case 'P':
2564            options |= ((options & PCRE_PARTIAL_SOFT) == 0)?
2565              PCRE_PARTIAL_SOFT : PCRE_PARTIAL_HARD;
2566            continue;
2567    
2568            case 'Q':
2569            while(isdigit(*p)) n = n * 10 + *p++ - '0';
2570            if (extra == NULL)
2571              {
2572              extra = (pcre_extra *)malloc(sizeof(pcre_extra));
2573              extra->flags = 0;
2574              }
2575            extra->flags |= PCRE_EXTRA_MATCH_LIMIT_RECURSION;
2576            extra->match_limit_recursion = n;
2577            continue;
2578    
2579            case 'q':
2580            while(isdigit(*p)) n = n * 10 + *p++ - '0';
2581            if (extra == NULL)
2582              {
2583              extra = (pcre_extra *)malloc(sizeof(pcre_extra));
2584              extra->flags = 0;
2585              }
2586            extra->flags |= PCRE_EXTRA_MATCH_LIMIT;
2587            extra->match_limit = n;
2588            continue;
2589    
2590    #if !defined NODFA
2591            case 'R':
2592            options |= PCRE_DFA_RESTART;
2593            continue;
2594    #endif
2595    
2596            case 'S':
2597            show_malloc = 1;
2598            continue;
2599    
2600            case 'Y':
2601            options |= PCRE_NO_START_OPTIMIZE;
2602          continue;          continue;
2603    
2604          case 'Z':          case 'Z':
2605          options |= PCRE_NOTEOL;          options |= PCRE_NOTEOL;
2606          continue;          continue;
2607    
2608            case '?':
2609            options |= PCRE_NO_UTF8_CHECK;
2610            continue;
2611    
2612            case '<':
2613              {
2614              int x = check_newline(p, outfile);
2615              if (x == 0) goto NEXT_DATA;
2616              options |= x;
2617              while (*p++ != '>');
2618              }
2619            continue;
2620          }          }
2621        *q++ = c;        *q++ = c;
2622        }        }
2623      *q = 0;      *q = 0;
2624      len = q - dbuffer;      len = (int)(q - dbuffer);
2625    
2626        /* Move the data to the end of the buffer so that a read over the end of
2627        the buffer will be seen by valgrind, even if it doesn't cause a crash. If
2628        we are using the POSIX interface, we must include the terminating zero. */
2629    
2630    #if !defined NOPOSIX
2631        if (posix || do_posix)
2632          {
2633          memmove(bptr + buffer_size - len - 1, bptr, len + 1);
2634          bptr += buffer_size - len - 1;
2635          }
2636        else
2637    #endif
2638          {
2639          memmove(bptr + buffer_size - len, bptr, len);
2640          bptr += buffer_size - len;
2641          }
2642    
2643        if ((all_use_dfa || use_dfa) && find_match_limit)
2644          {
2645          printf("**Match limit not relevant for DFA matching: ignored\n");
2646          find_match_limit = 0;
2647          }
2648    
2649      /* Handle matching via the POSIX interface, which does not      /* Handle matching via the POSIX interface, which does not
2650      support timing. */      support timing or playing with the match limit or callout data. */
2651    
2652    #if !defined NOPOSIX
2653      if (posix || do_posix)      if (posix || do_posix)
2654        {        {
2655        int rc;        int rc;
2656        int eflags = 0;        int eflags = 0;
2657        regmatch_t pmatch[30];        regmatch_t *pmatch = NULL;
2658          if (use_size_offsets > 0)
2659            pmatch = (regmatch_t *)malloc(sizeof(regmatch_t) * use_size_offsets);
2660        if ((options & PCRE_NOTBOL) != 0) eflags |= REG_NOTBOL;        if ((options & PCRE_NOTBOL) != 0) eflags |= REG_NOTBOL;
2661        if ((options & PCRE_NOTEOL) != 0) eflags |= REG_NOTEOL;        if ((options & PCRE_NOTEOL) != 0) eflags |= REG_NOTEOL;
2662          if ((options & PCRE_NOTEMPTY) != 0) eflags |= REG_NOTEMPTY;
2663    
2664        rc = regexec(&preg, (char *)dbuffer, sizeof(pmatch)/sizeof(regmatch_t),        rc = regexec(&preg, (const char *)bptr, use_size_offsets, pmatch, eflags);
         pmatch, eflags);  
2665    
2666        if (rc != 0)        if (rc != 0)
2667          {          {
2668          (void)regerror(rc, &preg, (char *)buffer, sizeof(buffer));          (void)regerror(rc, &preg, (char *)buffer, buffer_size);
2669          fprintf(outfile, "No match: POSIX code %d: %s\n", rc, buffer);          fprintf(outfile, "No match: POSIX code %d: %s\n", rc, buffer);
2670          }          }
2671          else if ((((const pcre *)preg.re_pcre)->options & PCRE_NO_AUTO_CAPTURE)
2672                  != 0)
2673            {
2674            fprintf(outfile, "Matched with REG_NOSUB\n");
2675            }
2676        else        else
2677          {          {
2678          size_t i;          size_t i;
2679          for (i = 0; i < sizeof(pmatch)/sizeof(regmatch_t); i++)          for (i = 0; i < (size_t)use_size_offsets; i++)
2680            {            {
2681            if (pmatch[i].rm_so >= 0)            if (pmatch[i].rm_so >= 0)
2682              {              {
2683              fprintf(outfile, "%2d: ", i);              fprintf(outfile, "%2d: ", (int)i);
2684              pchars(dbuffer + pmatch[i].rm_so,              (void)pchars(dbuffer + pmatch[i].rm_so,
2685                pmatch[i].rm_eo - pmatch[i].rm_so);                pmatch[i].rm_eo - pmatch[i].rm_so, outfile);
2686              fprintf(outfile, "\n");              fprintf(outfile, "\n");
2687                if (do_showcaprest || (i == 0 && do_showrest))
2688                  {
2689                  fprintf(outfile, "%2d+ ", (int)i);
2690                  (void)pchars(dbuffer + pmatch[i].rm_eo, len - pmatch[i].rm_eo,
2691                    outfile);
2692                  fprintf(outfile, "\n");
2693                  }
2694              }              }
2695            }            }
2696          }          }
2697          free(pmatch);
2698        }        }
2699    
2700      /* Handle matching via the native interface */      /* Handle matching via the native interface - repeats for /g and /G */
2701    
2702      else      else
2703    #endif  /* !defined NOPOSIX */
2704    
2705        for (;; gmatched++)    /* Loop for /g or /G */
2706        {        {
2707        if (timeit)        markptr = NULL;
2708    
2709          if (timeitm > 0)
2710          {          {
2711          register int i;          register int i;
2712          clock_t time_taken;          clock_t time_taken;
2713          clock_t start_time = clock();          clock_t start_time = clock();
2714          for (i = 0; i < 4000; i++)  
2715            count = pcre_exec(re, extra, (char *)dbuffer, len, options, offsets,  #if !defined NODFA
2716              size_offsets);          if (all_use_dfa || use_dfa)
2717              {
2718              int workspace[1000];
2719              for (i = 0; i < timeitm; i++)
2720                count = pcre_dfa_exec(re, extra, (char *)bptr, len, start_offset,
2721                  options | g_notempty, use_offsets, use_size_offsets, workspace,
2722                  sizeof(workspace)/sizeof(int));
2723              }
2724            else
2725    #endif
2726    
2727            for (i = 0; i < timeitm; i++)
2728              count = pcre_exec(re, extra, (char *)bptr, len,
2729                start_offset, options | g_notempty, use_offsets, use_size_offsets);
2730    
2731          time_taken = clock() - start_time;          time_taken = clock() - start_time;
2732          fprintf(outfile, "Execute time %.2f milliseconds\n",          fprintf(outfile, "Execute time %.4f milliseconds\n",
2733            ((double)time_taken)/(4 * CLOCKS_PER_SEC));            (((double)time_taken * 1000.0) / (double)timeitm) /
2734                (double)CLOCKS_PER_SEC);
2735            }
2736    
2737          /* If find_match_limit is set, we want to do repeated matches with
2738          varying limits in order to find the minimum value for the match limit and
2739          for the recursion limit. The match limits are relevant only to the normal
2740          running of pcre_exec(), so disable the JIT optimization. This makes it
2741          possible to run the same set of tests with and without JIT externally
2742          requested. */
2743    
2744          if (find_match_limit)
2745            {
2746            if (extra == NULL)
2747              {
2748              extra = (pcre_extra *)malloc(sizeof(pcre_extra));
2749              extra->flags = 0;
2750              }
2751            else extra->flags &= ~PCRE_EXTRA_EXECUTABLE_JIT;
2752    
2753            (void)check_match_limit(re, extra, bptr, len, start_offset,
2754              options|g_notempty, use_offsets, use_size_offsets,
2755              PCRE_EXTRA_MATCH_LIMIT, &(extra->match_limit),
2756              PCRE_ERROR_MATCHLIMIT, "match()");
2757    
2758            count = check_match_limit(re, extra, bptr, len, start_offset,
2759              options|g_notempty, use_offsets, use_size_offsets,
2760              PCRE_EXTRA_MATCH_LIMIT_RECURSION, &(extra->match_limit_recursion),
2761              PCRE_ERROR_RECURSIONLIMIT, "match() recursion");
2762            }
2763    
2764          /* If callout_data is set, use the interface with additional data */
2765    
2766          else if (callout_data_set)
2767            {
2768            if (extra == NULL)
2769              {
2770              extra = (pcre_extra *)malloc(sizeof(pcre_extra));
2771              extra->flags = 0;
2772              }
2773            extra->flags |= PCRE_EXTRA_CALLOUT_DATA;
2774            extra->callout_data = &callout_data;
2775            count = pcre_exec(re, extra, (char *)bptr, len, start_offset,
2776              options | g_notempty, use_offsets, use_size_offsets);
2777            extra->flags &= ~PCRE_EXTRA_CALLOUT_DATA;
2778          }          }
2779    
2780        count = pcre_exec(re, extra, (char *)dbuffer, len, options, offsets,        /* The normal case is just to do the match once, with the default
2781          size_offsets);        value of match_limit. */
2782    
2783    #if !defined NODFA
2784          else if (all_use_dfa || use_dfa)
2785            {
2786            int workspace[1000];
2787            count = pcre_dfa_exec(re, extra, (char *)bptr, len, start_offset,
2788              options | g_notempty, use_offsets, use_size_offsets, workspace,
2789              sizeof(workspace)/sizeof(int));
2790            if (count == 0)
2791              {
2792              fprintf(outfile, "Matched, but too many subsidiary matches\n");
2793              count = use_size_offsets/2;
2794              }
2795            }
2796    #endif
2797    
2798        if (count == 0)        else
2799          {          {
2800          fprintf(outfile, "Matched, but too many substrings\n");          count = pcre_exec(re, extra, (char *)bptr, len,
2801          count = size_offsets/2;            start_offset, options | g_notempty, use_offsets, use_size_offsets);
2802            if (count == 0)
2803              {
2804              fprintf(outfile, "Matched, but too many substrings\n");
2805              count = use_size_offsets/3;
2806              }
2807          }          }
2808    
2809          /* Matched */
2810    
2811        if (count >= 0)        if (count >= 0)
2812          {          {
2813          int i;          int i, maxcount;
2814          count *= 2;  
2815          for (i = 0; i < count; i += 2)  #if !defined NODFA
2816            if (all_use_dfa || use_dfa) maxcount = use_size_offsets/2; else
2817    #endif
2818              maxcount = use_size_offsets/3;
2819    
2820            /* This is a check against a lunatic return value. */
2821    
2822            if (count > maxcount)
2823              {
2824              fprintf(outfile,
2825                "** PCRE error: returned count %d is too big for offset size %d\n",
2826                count, use_size_offsets);
2827              count = use_size_offsets/3;
2828              if (do_g || do_G)
2829                {
2830                fprintf(outfile, "** /%c loop abandoned\n", do_g? 'g' : 'G');
2831                do_g = do_G = FALSE;        /* Break g/G loop */
2832                }
2833              }
2834    
2835            /* do_allcaps requests showing of all captures in the pattern, to check
2836            unset ones at the end. */
2837    
2838            if (do_allcaps)
2839              {
2840              new_info(re, NULL, PCRE_INFO_CAPTURECOUNT, &count);
2841              count++;   /* Allow for full match */
2842              if (count * 2 > use_size_offsets) count = use_size_offsets/2;
2843              }
2844    
2845            /* Output the captured substrings */
2846    
2847            for (i = 0; i < count * 2; i += 2)
2848            {            {
2849            if (offsets[i] < 0)            if (use_offsets[i] < 0)
2850                {
2851                if (use_offsets[i] != -1)
2852                  fprintf(outfile, "ERROR: bad negative value %d for offset %d\n",
2853                    use_offsets[i], i);
2854                if (use_offsets[i+1] != -1)
2855                  fprintf(outfile, "ERROR: bad negative value %d for offset %d\n",
2856                    use_offsets[i+1], i+1);
2857              fprintf(outfile, "%2d: <unset>\n", i/2);              fprintf(outfile, "%2d: <unset>\n", i/2);
2858                }
2859            else            else
2860              {              {
2861              fprintf(outfile, "%2d: ", i/2);              fprintf(outfile, "%2d: ", i/2);
2862              pchars(dbuffer + offsets[i], offsets[i+1] - offsets[i]);              (void)pchars(bptr + use_offsets[i],
2863                  use_offsets[i+1] - use_offsets[i], outfile);
2864                fprintf(outfile, "\n");
2865                if (do_showcaprest || (i == 0 && do_showrest))
2866                  {
2867                  fprintf(outfile, "%2d+ ", i/2);
2868                  (void)pchars(bptr + use_offsets[i+1], len - use_offsets[i+1],
2869                    outfile);
2870                  fprintf(outfile, "\n");
2871                  }
2872                }
2873              }
2874    
2875            if (markptr != NULL) fprintf(outfile, "MK: %s\n", markptr);
2876    
2877            for (i = 0; i < 32; i++)
2878              {
2879              if ((copystrings & (1 << i)) != 0)
2880                {
2881                char copybuffer[256];
2882                int rc = pcre_copy_substring((char *)bptr, use_offsets, count,
2883                  i, copybuffer, sizeof(copybuffer));
2884                if (rc < 0)
2885                  fprintf(outfile, "copy substring %d failed %d\n", i, rc);
2886                else
2887                  fprintf(outfile, "%2dC %s (%d)\n", i, copybuffer, rc);
2888                }
2889              }
2890    
2891            for (copynamesptr = copynames;
2892                 *copynamesptr != 0;
2893                 copynamesptr += (int)strlen((char*)copynamesptr) + 1)
2894              {
2895              char copybuffer[256];
2896              int rc = pcre_copy_named_substring(re, (char *)bptr, use_offsets,
2897                count, (char *)copynamesptr, copybuffer, sizeof(copybuffer));
2898              if (rc < 0)
2899                fprintf(outfile, "copy substring %s failed %d\n", copynamesptr, rc);
2900              else
2901                fprintf(outfile, "  C %s (%d) %s\n", copybuffer, rc, copynamesptr);
2902              }
2903    
2904            for (i = 0; i < 32; i++)
2905              {
2906              if ((getstrings & (1 << i)) != 0)
2907                {
2908                const char *substring;
2909                int rc = pcre_get_substring((char *)bptr, use_offsets, count,
2910                  i, &substring);
2911                if (rc < 0)
2912                  fprintf(outfile, "get substring %d failed %d\n", i, rc);
2913                else
2914                  {
2915                  fprintf(outfile, "%2dG %s (%d)\n", i, substring, rc);
2916                  pcre_free_substring(substring);
2917                  }
2918                }
2919              }
2920    
2921            for (getnamesptr = getnames;
2922                 *getnamesptr != 0;
2923                 getnamesptr += (int)strlen((char*)getnamesptr) + 1)
2924              {
2925              const char *substring;
2926              int rc = pcre_get_named_substring(re, (char *)bptr, use_offsets,
2927                count, (char *)getnamesptr, &substring);
2928              if (rc < 0)
2929                fprintf(outfile, "copy substring %s failed %d\n", getnamesptr, rc);
2930              else
2931                {
2932                fprintf(outfile, "  G %s (%d) %s\n", substring, rc, getnamesptr);
2933                pcre_free_substring(substring);
2934                }
2935              }
2936    
2937            if (getlist)
2938              {
2939              const char **stringlist;
2940              int rc = pcre_get_substring_list((char *)bptr, use_offsets, count,
2941                &stringlist);
2942              if (rc < 0)
2943                fprintf(outfile, "get substring list failed %d\n", rc);
2944              else
2945                {
2946                for (i = 0; i < count; i++)
2947                  fprintf(outfile, "%2dL %s\n", i, stringlist[i]);
2948                if (stringlist[i] != NULL)
2949                  fprintf(outfile, "string list not terminated by NULL\n");
2950                pcre_free_substring_list(stringlist);
2951                }
2952              }
2953            }
2954    
2955          /* There was a partial match */
2956    
2957          else if (count == PCRE_ERROR_PARTIAL)
2958            {
2959            if (markptr == NULL) fprintf(outfile, "Partial match");
2960              else fprintf(outfile, "Partial match, mark=%s", markptr);
2961            if (use_size_offsets > 1)
2962              {
2963              fprintf(outfile, ": ");
2964              pchars(bptr + use_offsets[0], use_offsets[1] - use_offsets[0],
2965                outfile);
2966              }
2967            fprintf(outfile, "\n");
2968            break;  /* Out of the /g loop */
2969            }
2970    
2971          /* Failed to match. If this is a /g or /G loop and we previously set
2972          g_notempty after a null match, this is not necessarily the end. We want
2973          to advance the start offset, and continue. We won't be at the end of the
2974          string - that was checked before setting g_notempty.
2975    
2976          Complication arises in the case when the newline convention is "any",
2977          "crlf", or "anycrlf". If the previous match was at the end of a line
2978          terminated by CRLF, an advance of one character just passes the \r,
2979          whereas we should prefer the longer newline sequence, as does the code in
2980          pcre_exec(). Fudge the offset value to achieve this. We check for a
2981          newline setting in the pattern; if none was set, use pcre_config() to
2982          find the default.
2983    
2984          Otherwise, in the case of UTF-8 matching, the advance must be one
2985          character, not one byte. */
2986    
2987          else
2988            {
2989            if (g_notempty != 0)
2990              {
2991              int onechar = 1;
2992              unsigned int obits = ((real_pcre *)re)->options;
2993              use_offsets[0] = start_offset;
2994              if ((obits & PCRE_NEWLINE_BITS) == 0)
2995                {
2996                int d;
2997                (void)pcre_config(PCRE_CONFIG_NEWLINE, &d);
2998                /* Note that these values are always the ASCII ones, even in
2999                EBCDIC environments. CR = 13, NL = 10. */
3000                obits = (d == 13)? PCRE_NEWLINE_CR :
3001                        (d == 10)? PCRE_NEWLINE_LF :
3002                        (d == (13<<8 | 10))? PCRE_NEWLINE_CRLF :
3003                        (d == -2)? PCRE_NEWLINE_ANYCRLF :
3004                        (d == -1)? PCRE_NEWLINE_ANY : 0;
3005                }
3006              if (((obits & PCRE_NEWLINE_BITS) == PCRE_NEWLINE_ANY ||
3007                   (obits & PCRE_NEWLINE_BITS) == PCRE_NEWLINE_CRLF ||
3008                   (obits & PCRE_NEWLINE_BITS) == PCRE_NEWLINE_ANYCRLF)
3009                  &&
3010                  start_offset < len - 1 &&
3011                  bptr[start_offset] == '\r' &&
3012                  bptr[start_offset+1] == '\n')
3013                onechar++;
3014              else if (use_utf8)
3015                {
3016                while (start_offset + onechar < len)
3017                  {
3018                  if ((bptr[start_offset+onechar] & 0xc0) != 0x80) break;
3019                  onechar++;
3020                  }
3021                }
3022              use_offsets[1] = start_offset + onechar;
3023              }
3024            else
3025              {
3026              switch(count)
3027                {
3028                case PCRE_ERROR_NOMATCH:
3029                if (gmatched == 0)
3030                  {
3031                  if (markptr == NULL) fprintf(outfile, "No match\n");
3032                    else fprintf(outfile, "No match, mark = %s\n", markptr);
3033                  }
3034                break;
3035    
3036                case PCRE_ERROR_BADUTF8:
3037                case PCRE_ERROR_SHORTUTF8:
3038                fprintf(outfile, "Error %d (%s UTF-8 string)", count,
3039                  (count == PCRE_ERROR_BADUTF8)? "bad" : "short");
3040                if (use_size_offsets >= 2)
3041                  fprintf(outfile, " offset=%d reason=%d", use_offsets[0],
3042                    use_offsets[1]);
3043              fprintf(outfile, "\n");              fprintf(outfile, "\n");
3044                break;
3045    
3046                default:
3047                if (count < 0 && (-count) < sizeof(errtexts)/sizeof(const char *))
3048                  fprintf(outfile, "Error %d (%s)\n", count, errtexts[-count]);
3049                else
3050                  fprintf(outfile, "Error %d (Unexpected value)\n", count);
3051                break;
3052              }              }
3053    
3054              break;  /* Out of the /g loop */
3055            }            }
3056          }          }
3057    
3058          /* If not /g or /G we are done */
3059    
3060          if (!do_g && !do_G) break;
3061    
3062          /* If we have matched an empty string, first check to see if we are at
3063          the end of the subject. If so, the /g loop is over. Otherwise, mimic what
3064          Perl's /g options does. This turns out to be rather cunning. First we set
3065          PCRE_NOTEMPTY_ATSTART and PCRE_ANCHORED and try the match again at the
3066          same point. If this fails (picked up above) we advance to the next
3067          character. */
3068    
3069          g_notempty = 0;
3070    
3071          if (use_offsets[0] == use_offsets[1])
3072            {
3073            if (use_offsets[0] == len) break;
3074            g_notempty = PCRE_NOTEMPTY_ATSTART | PCRE_ANCHORED;
3075            }
3076    
3077          /* For /g, update the start offset, leaving the rest alone */
3078    
3079          if (do_g) start_offset = use_offsets[1];
3080    
3081          /* For /G, update the pointer and length */
3082    
3083        else        else
3084          {          {
3085          if (count == -1) fprintf(outfile, "No match\n");          bptr += use_offsets[1];
3086            else fprintf(outfile, "Error %d\n", count);          len -= use_offsets[1];
3087          }          }
3088        }        }  /* End of loop for /g and /G */
3089      }  
3090        NEXT_DATA: continue;
3091        }    /* End of loop for data lines */
3092    
3093      CONTINUE:
3094    
3095    #if !defined NOPOSIX
3096    if (posix || do_posix) regfree(&preg);    if (posix || do_posix) regfree(&preg);
3097    if (re != NULL) free(re);  #endif
3098    if (extra != NULL) free(extra);  
3099      if (re != NULL) new_free(re);
3100      if (extra != NULL) pcre_free_study(extra);
3101      if (locale_set)
3102        {
3103        new_free((void *)tables);
3104        setlocale(LC_CTYPE, "C");
3105        locale_set = 0;
3106        }
3107      if (jit_stack != NULL)
3108        {
3109        pcre_jit_stack_free(jit_stack);
3110        jit_stack = NULL;
3111        }
3112    }    }
3113    
3114  END_OFF:  if (infile == stdin) fprintf(outfile, "\n");
3115  fprintf(outfile, "\n");  
3116  return 0;  EXIT:
3117    
3118    if (infile != NULL && infile != stdin) fclose(infile);
3119    if (outfile != NULL && outfile != stdout) fclose(outfile);
3120    
3121    free(buffer);
3122    free(dbuffer);
3123    free(pbuffer);
3124    free(offsets);
3125    
3126    return yield;
3127  }  }
3128    
3129  /* End */  /* End of pcretest.c */

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