/[pcre]/code/trunk/pcretest.c
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revision 25 by nigel, Sat Feb 24 21:38:45 2007 UTC revision 606 by ph10, Mon Jun 6 17:46:22 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>  #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  /* Use the internal info for displaying the results of pcre_study(). */  /* 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    
97  #include "internal.h"  
98    /* 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_utf8_table1      utf8_table1
116    #define _pcre_utf8_table1_size utf8_table1_size
117    #define _pcre_utf8_table2      utf8_table2
118    #define _pcre_utf8_table3      utf8_table3
119    #define _pcre_utf8_table4      utf8_table4
120    #define _pcre_utt              utt
121    #define _pcre_utt_size         utt_size
122    #define _pcre_utt_names        utt_names
123    #define _pcre_OP_lengths       OP_lengths
124    
125    #include "pcre_tables.c"
126    
127    /* We also need the pcre_printint() function for printing out compiled
128    patterns. This function is in a separate file so that it can be included in
129    pcre_compile.c when that module is compiled with debugging enabled. It needs to
130    know which case is being compiled. */
131    
132    #define COMPILING_PCRETEST
133    #include "pcre_printint.src"
134    
135    /* The definition of the macro PRINTABLE, which determines whether to print an
136    output character as-is or as a hex value when showing compiled patterns, is
137    contained in the printint.src file. We uses it here also, in cases when the
138    locale has not been explicitly changed, so as to get consistent output from
139    systems that differ in their output from isprint() even in the "C" locale. */
140    
141    #define PRINTHEX(c) (locale_set? isprint(c) : PRINTABLE(c))
142    
143    /* It is possible to compile this test program without including support for
144    testing the POSIX interface, though this is not available via the standard
145    Makefile. */
146    
147    #if !defined NOPOSIX
148  #include "pcreposix.h"  #include "pcreposix.h"
149    #endif
150    
151    /* It is also possible, for the benefit of the version currently imported into
152    Exim, to build pcretest without support for UTF8 (define NOUTF8), without the
153    interface to the DFA matcher (NODFA), and without the doublecheck of the old
154    "info" function (define NOINFOCHECK). In fact, we automatically cut out the
155    UTF8 support if PCRE is built without it. */
156    
157    #ifndef SUPPORT_UTF8
158    #ifndef NOUTF8
159    #define NOUTF8
160    #endif
161    #endif
162    
163    
164    /* Other parameters */
165    
166  #ifndef CLOCKS_PER_SEC  #ifndef CLOCKS_PER_SEC
167  #ifdef CLK_TCK  #ifdef CLK_TCK
# Line 22  Line 171 
171  #endif  #endif
172  #endif  #endif
173    
174  #define LOOPREPEAT 10000  /* This is the default loop count for timing. */
175    
176    #define LOOPREPEAT 500000
177    
178    /* Static variables */
179    
180  static FILE *outfile;  static FILE *outfile;
181  static int log_store = 0;  static int log_store = 0;
182    static int callout_count;
183    static int callout_extra;
184    static int callout_fail_count;
185    static int callout_fail_id;
186    static int debug_lengths;
187    static int first_callout;
188    static int locale_set = 0;
189    static int show_malloc;
190    static int use_utf8;
191    static size_t gotten_store;
192    
193    /* The buffers grow automatically if very long input lines are encountered. */
194    
195    static int buffer_size = 50000;
196    static uschar *buffer = NULL;
197    static uschar *dbuffer = NULL;
198    static uschar *pbuffer = NULL;
199    
200    /* Textual explanations for runtime error codes */
201    
202    static const char *errtexts[] = {
203      NULL,  /* 0 is no error */
204      NULL,  /* NOMATCH is handled specially */
205      "NULL argument passed",
206      "bad option value",
207      "magic number missing",
208      "unknown opcode - pattern overwritten?",
209      "no more memory",
210      NULL,  /* never returned by pcre_exec() or pcre_dfa_exec() */
211      "match limit exceeded",
212      "callout error code",
213      NULL,  /* BADUTF8 is handled specially */
214      "bad UTF-8 offset",
215      NULL,  /* PARTIAL is handled specially */
216      "not used - internal error",
217      "internal error - pattern overwritten?",
218      "bad count value",
219      "item unsupported for DFA matching",
220      "backreference condition or recursion test not supported for DFA matching",
221      "match limit not supported for DFA matching",
222      "workspace size exceeded in DFA matching",
223      "too much recursion for DFA matching",
224      "recursion limit exceeded",
225      "not used - internal error",
226      "invalid combination of newline options",
227      "bad offset value",
228      NULL  /* SHORTUTF8 is handled specially */
229    };
230    
231    
232    /*************************************************
233    *         Alternate character tables             *
234    *************************************************/
235    
236    /* By default, the "tables" pointer when calling PCRE is set to NULL, thereby
237    using the default tables of the library. However, the T option can be used to
238    select alternate sets of tables, for different kinds of testing. Note also that
239    the L (locale) option also adjusts the tables. */
240    
241    /* This is the set of tables distributed as default with PCRE. It recognizes
242    only ASCII characters. */
243    
244    static const unsigned char tables0[] = {
245    
246    /* This table is a lower casing table. */
247    
248        0,  1,  2,  3,  4,  5,  6,  7,
249        8,  9, 10, 11, 12, 13, 14, 15,
250       16, 17, 18, 19, 20, 21, 22, 23,
251       24, 25, 26, 27, 28, 29, 30, 31,
252       32, 33, 34, 35, 36, 37, 38, 39,
253       40, 41, 42, 43, 44, 45, 46, 47,
254       48, 49, 50, 51, 52, 53, 54, 55,
255       56, 57, 58, 59, 60, 61, 62, 63,
256       64, 97, 98, 99,100,101,102,103,
257      104,105,106,107,108,109,110,111,
258      112,113,114,115,116,117,118,119,
259      120,121,122, 91, 92, 93, 94, 95,
260       96, 97, 98, 99,100,101,102,103,
261      104,105,106,107,108,109,110,111,
262      112,113,114,115,116,117,118,119,
263      120,121,122,123,124,125,126,127,
264      128,129,130,131,132,133,134,135,
265      136,137,138,139,140,141,142,143,
266      144,145,146,147,148,149,150,151,
267      152,153,154,155,156,157,158,159,
268      160,161,162,163,164,165,166,167,
269      168,169,170,171,172,173,174,175,
270      176,177,178,179,180,181,182,183,
271      184,185,186,187,188,189,190,191,
272      192,193,194,195,196,197,198,199,
273      200,201,202,203,204,205,206,207,
274      208,209,210,211,212,213,214,215,
275      216,217,218,219,220,221,222,223,
276      224,225,226,227,228,229,230,231,
277      232,233,234,235,236,237,238,239,
278      240,241,242,243,244,245,246,247,
279      248,249,250,251,252,253,254,255,
280    
281    /* This table is a case flipping table. */
282    
283        0,  1,  2,  3,  4,  5,  6,  7,
284        8,  9, 10, 11, 12, 13, 14, 15,
285       16, 17, 18, 19, 20, 21, 22, 23,
286       24, 25, 26, 27, 28, 29, 30, 31,
287       32, 33, 34, 35, 36, 37, 38, 39,
288       40, 41, 42, 43, 44, 45, 46, 47,
289       48, 49, 50, 51, 52, 53, 54, 55,
290       56, 57, 58, 59, 60, 61, 62, 63,
291       64, 97, 98, 99,100,101,102,103,
292      104,105,106,107,108,109,110,111,
293      112,113,114,115,116,117,118,119,
294      120,121,122, 91, 92, 93, 94, 95,
295       96, 65, 66, 67, 68, 69, 70, 71,
296       72, 73, 74, 75, 76, 77, 78, 79,
297       80, 81, 82, 83, 84, 85, 86, 87,
298       88, 89, 90,123,124,125,126,127,
299      128,129,130,131,132,133,134,135,
300      136,137,138,139,140,141,142,143,
301      144,145,146,147,148,149,150,151,
302      152,153,154,155,156,157,158,159,
303      160,161,162,163,164,165,166,167,
304      168,169,170,171,172,173,174,175,
305      176,177,178,179,180,181,182,183,
306      184,185,186,187,188,189,190,191,
307      192,193,194,195,196,197,198,199,
308      200,201,202,203,204,205,206,207,
309      208,209,210,211,212,213,214,215,
310      216,217,218,219,220,221,222,223,
311      224,225,226,227,228,229,230,231,
312      232,233,234,235,236,237,238,239,
313      240,241,242,243,244,245,246,247,
314      248,249,250,251,252,253,254,255,
315    
316    /* This table contains bit maps for various character classes. Each map is 32
317    bytes long and the bits run from the least significant end of each byte. The
318    classes that have their own maps are: space, xdigit, digit, upper, lower, word,
319    graph, print, punct, and cntrl. Other classes are built from combinations. */
320    
321      0x00,0x3e,0x00,0x00,0x01,0x00,0x00,0x00,
322      0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
323      0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
324      0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
325    
326      0x00,0x00,0x00,0x00,0x00,0x00,0xff,0x03,
327      0x7e,0x00,0x00,0x00,0x7e,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      0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
333      0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
334      0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
335    
336      0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
337      0xfe,0xff,0xff,0x07,0x00,0x00,0x00,0x00,
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      0x00,0x00,0x00,0x00,0xfe,0xff,0xff,0x07,
343      0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
344      0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
345    
346      0x00,0x00,0x00,0x00,0x00,0x00,0xff,0x03,
347      0xfe,0xff,0xff,0x87,0xfe,0xff,0xff,0x07,
348      0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
349      0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
350    
351      0x00,0x00,0x00,0x00,0xfe,0xff,0xff,0xff,
352      0xff,0xff,0xff,0xff,0xff,0xff,0xff,0x7f,
353      0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
354      0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
355    
356      0x00,0x00,0x00,0x00,0xff,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      0x00,0x00,0x00,0x00,0xfe,0xff,0x00,0xfc,
362      0x01,0x00,0x00,0xf8,0x01,0x00,0x00,0x78,
363      0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
364      0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
365    
366      0xff,0xff,0xff,0xff,0x00,0x00,0x00,0x00,
367      0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x80,
368      0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
369      0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
370    
371    /* This table identifies various classes of character by individual bits:
372      0x01   white space character
373      0x02   letter
374      0x04   decimal digit
375      0x08   hexadecimal digit
376      0x10   alphanumeric or '_'
377      0x80   regular expression metacharacter or binary zero
378    */
379    
380      0x80,0x00,0x00,0x00,0x00,0x00,0x00,0x00, /*   0-  7 */
381      0x00,0x01,0x01,0x00,0x01,0x01,0x00,0x00, /*   8- 15 */
382      0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, /*  16- 23 */
383      0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, /*  24- 31 */
384      0x01,0x00,0x00,0x00,0x80,0x00,0x00,0x00, /*    - '  */
385      0x80,0x80,0x80,0x80,0x00,0x00,0x80,0x00, /*  ( - /  */
386      0x1c,0x1c,0x1c,0x1c,0x1c,0x1c,0x1c,0x1c, /*  0 - 7  */
387      0x1c,0x1c,0x00,0x00,0x00,0x00,0x00,0x80, /*  8 - ?  */
388      0x00,0x1a,0x1a,0x1a,0x1a,0x1a,0x1a,0x12, /*  @ - G  */
389      0x12,0x12,0x12,0x12,0x12,0x12,0x12,0x12, /*  H - O  */
390      0x12,0x12,0x12,0x12,0x12,0x12,0x12,0x12, /*  P - W  */
391      0x12,0x12,0x12,0x80,0x80,0x00,0x80,0x10, /*  X - _  */
392      0x00,0x1a,0x1a,0x1a,0x1a,0x1a,0x1a,0x12, /*  ` - g  */
393      0x12,0x12,0x12,0x12,0x12,0x12,0x12,0x12, /*  h - o  */
394      0x12,0x12,0x12,0x12,0x12,0x12,0x12,0x12, /*  p - w  */
395      0x12,0x12,0x12,0x80,0x80,0x00,0x00,0x00, /*  x -127 */
396      0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, /* 128-135 */
397      0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, /* 136-143 */
398      0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, /* 144-151 */
399      0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, /* 152-159 */
400      0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, /* 160-167 */
401      0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, /* 168-175 */
402      0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, /* 176-183 */
403      0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, /* 184-191 */
404      0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, /* 192-199 */
405      0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, /* 200-207 */
406      0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, /* 208-215 */
407      0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, /* 216-223 */
408      0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, /* 224-231 */
409      0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, /* 232-239 */
410      0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, /* 240-247 */
411      0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00};/* 248-255 */
412    
413    /* This is a set of tables that came orginally from a Windows user. It seems to
414    be at least an approximation of ISO 8859. In particular, there are characters
415    greater than 128 that are marked as spaces, letters, etc. */
416    
417    static const unsigned char tables1[] = {
418    0,1,2,3,4,5,6,7,
419    8,9,10,11,12,13,14,15,
420    16,17,18,19,20,21,22,23,
421    24,25,26,27,28,29,30,31,
422    32,33,34,35,36,37,38,39,
423    40,41,42,43,44,45,46,47,
424    48,49,50,51,52,53,54,55,
425    56,57,58,59,60,61,62,63,
426    64,97,98,99,100,101,102,103,
427    104,105,106,107,108,109,110,111,
428    112,113,114,115,116,117,118,119,
429    120,121,122,91,92,93,94,95,
430    96,97,98,99,100,101,102,103,
431    104,105,106,107,108,109,110,111,
432    112,113,114,115,116,117,118,119,
433    120,121,122,123,124,125,126,127,
434    128,129,130,131,132,133,134,135,
435    136,137,138,139,140,141,142,143,
436    144,145,146,147,148,149,150,151,
437    152,153,154,155,156,157,158,159,
438    160,161,162,163,164,165,166,167,
439    168,169,170,171,172,173,174,175,
440    176,177,178,179,180,181,182,183,
441    184,185,186,187,188,189,190,191,
442    224,225,226,227,228,229,230,231,
443    232,233,234,235,236,237,238,239,
444    240,241,242,243,244,245,246,215,
445    248,249,250,251,252,253,254,223,
446    224,225,226,227,228,229,230,231,
447    232,233,234,235,236,237,238,239,
448    240,241,242,243,244,245,246,247,
449    248,249,250,251,252,253,254,255,
450    0,1,2,3,4,5,6,7,
451    8,9,10,11,12,13,14,15,
452    16,17,18,19,20,21,22,23,
453    24,25,26,27,28,29,30,31,
454    32,33,34,35,36,37,38,39,
455    40,41,42,43,44,45,46,47,
456    48,49,50,51,52,53,54,55,
457    56,57,58,59,60,61,62,63,
458    64,97,98,99,100,101,102,103,
459    104,105,106,107,108,109,110,111,
460    112,113,114,115,116,117,118,119,
461    120,121,122,91,92,93,94,95,
462    96,65,66,67,68,69,70,71,
463    72,73,74,75,76,77,78,79,
464    80,81,82,83,84,85,86,87,
465    88,89,90,123,124,125,126,127,
466    128,129,130,131,132,133,134,135,
467    136,137,138,139,140,141,142,143,
468    144,145,146,147,148,149,150,151,
469    152,153,154,155,156,157,158,159,
470    160,161,162,163,164,165,166,167,
471    168,169,170,171,172,173,174,175,
472    176,177,178,179,180,181,182,183,
473    184,185,186,187,188,189,190,191,
474    224,225,226,227,228,229,230,231,
475    232,233,234,235,236,237,238,239,
476    240,241,242,243,244,245,246,215,
477    248,249,250,251,252,253,254,223,
478    192,193,194,195,196,197,198,199,
479    200,201,202,203,204,205,206,207,
480    208,209,210,211,212,213,214,247,
481    216,217,218,219,220,221,222,255,
482    0,62,0,0,1,0,0,0,
483    0,0,0,0,0,0,0,0,
484    32,0,0,0,1,0,0,0,
485    0,0,0,0,0,0,0,0,
486    0,0,0,0,0,0,255,3,
487    126,0,0,0,126,0,0,0,
488    0,0,0,0,0,0,0,0,
489    0,0,0,0,0,0,0,0,
490    0,0,0,0,0,0,255,3,
491    0,0,0,0,0,0,0,0,
492    0,0,0,0,0,0,12,2,
493    0,0,0,0,0,0,0,0,
494    0,0,0,0,0,0,0,0,
495    254,255,255,7,0,0,0,0,
496    0,0,0,0,0,0,0,0,
497    255,255,127,127,0,0,0,0,
498    0,0,0,0,0,0,0,0,
499    0,0,0,0,254,255,255,7,
500    0,0,0,0,0,4,32,4,
501    0,0,0,128,255,255,127,255,
502    0,0,0,0,0,0,255,3,
503    254,255,255,135,254,255,255,7,
504    0,0,0,0,0,4,44,6,
505    255,255,127,255,255,255,127,255,
506    0,0,0,0,254,255,255,255,
507    255,255,255,255,255,255,255,127,
508    0,0,0,0,254,255,255,255,
509    255,255,255,255,255,255,255,255,
510    0,2,0,0,255,255,255,255,
511    255,255,255,255,255,255,255,127,
512    0,0,0,0,255,255,255,255,
513    255,255,255,255,255,255,255,255,
514    0,0,0,0,254,255,0,252,
515    1,0,0,248,1,0,0,120,
516    0,0,0,0,254,255,255,255,
517    0,0,128,0,0,0,128,0,
518    255,255,255,255,0,0,0,0,
519    0,0,0,0,0,0,0,128,
520    255,255,255,255,0,0,0,0,
521    0,0,0,0,0,0,0,0,
522    128,0,0,0,0,0,0,0,
523    0,1,1,0,1,1,0,0,
524    0,0,0,0,0,0,0,0,
525    0,0,0,0,0,0,0,0,
526    1,0,0,0,128,0,0,0,
527    128,128,128,128,0,0,128,0,
528    28,28,28,28,28,28,28,28,
529    28,28,0,0,0,0,0,128,
530    0,26,26,26,26,26,26,18,
531    18,18,18,18,18,18,18,18,
532    18,18,18,18,18,18,18,18,
533    18,18,18,128,128,0,128,16,
534    0,26,26,26,26,26,26,18,
535    18,18,18,18,18,18,18,18,
536    18,18,18,18,18,18,18,18,
537    18,18,18,128,128,0,0,0,
538    0,0,0,0,0,1,0,0,
539    0,0,0,0,0,0,0,0,
540    0,0,0,0,0,0,0,0,
541    0,0,0,0,0,0,0,0,
542    1,0,0,0,0,0,0,0,
543    0,0,18,0,0,0,0,0,
544    0,0,20,20,0,18,0,0,
545    0,20,18,0,0,0,0,0,
546    18,18,18,18,18,18,18,18,
547    18,18,18,18,18,18,18,18,
548    18,18,18,18,18,18,18,0,
549    18,18,18,18,18,18,18,18,
550    18,18,18,18,18,18,18,18,
551    18,18,18,18,18,18,18,18,
552    18,18,18,18,18,18,18,0,
553    18,18,18,18,18,18,18,18
554    };
555    
 /* Debugging function to print the internal form of the regex. This is the same  
 code as contained in pcre.c under the DEBUG macro. */  
556    
 static const char *OP_names[] = {  
   "End", "\\A", "\\B", "\\b", "\\D", "\\d",  
   "\\S", "\\s", "\\W", "\\w", "\\Z", "\\z",  
   "Opt", "^", "$", "Any", "chars", "not",  
   "*", "*?", "+", "+?", "?", "??", "{", "{", "{",  
   "*", "*?", "+", "+?", "?", "??", "{", "{", "{",  
   "*", "*?", "+", "+?", "?", "??", "{", "{", "{",  
   "*", "*?", "+", "+?", "?", "??", "{", "{",  
   "class", "Ref",  
   "Alt", "Ket", "KetRmax", "KetRmin", "Assert", "Assert not",  
   "AssertB", "AssertB not", "Reverse", "Once", "Cond", "Cref",  
   "Brazero", "Braminzero", "Bra"  
 };  
557    
558    
559  static void print_internals(pcre *re, FILE *outfile)  #ifndef HAVE_STRERROR
560    /*************************************************
561    *     Provide strerror() for non-ANSI libraries  *
562    *************************************************/
563    
564    /* Some old-fashioned systems still around (e.g. SunOS4) don't have strerror()
565    in their libraries, but can provide the same facility by this simple
566    alternative function. */
567    
568    extern int   sys_nerr;
569    extern char *sys_errlist[];
570    
571    char *
572    strerror(int n)
573  {  {
574  unsigned char *code = ((real_pcre *)re)->code;  if (n < 0 || n >= sys_nerr) return "unknown error number";
575    return sys_errlist[n];
576    }
577    #endif /* HAVE_STRERROR */
578    
579    
580    
581    
582    /*************************************************
583    *        Read or extend an input line            *
584    *************************************************/
585    
586  fprintf(outfile, "------------------------------------------------------------------\n");  /* Input lines are read into buffer, but both patterns and data lines can be
587    continued over multiple input lines. In addition, if the buffer fills up, we
588    want to automatically expand it so as to be able to handle extremely large
589    lines that are needed for certain stress tests. When the input buffer is
590    expanded, the other two buffers must also be expanded likewise, and the
591    contents of pbuffer, which are a copy of the input for callouts, must be
592    preserved (for when expansion happens for a data line). This is not the most
593    optimal way of handling this, but hey, this is just a test program!
594    
595    Arguments:
596      f            the file to read
597      start        where in buffer to start (this *must* be within buffer)
598      prompt       for stdin or readline()
599    
600    Returns:       pointer to the start of new data
601                   could be a copy of start, or could be moved
602                   NULL if no data read and EOF reached
603    */
604    
605  for(;;)  static uschar *
606    extend_inputline(FILE *f, uschar *start, const char *prompt)
607    {
608    uschar *here = start;
609    
610    for (;;)
611    {    {
612    int c;    int rlen = (int)(buffer_size - (here - buffer));
   int charlength;  
   
   fprintf(outfile, "%3d ", (int)(code - ((real_pcre *)re)->code));  
   
   if (*code >= OP_BRA)  
     {  
     fprintf(outfile, "%3d Bra %d", (code[1] << 8) + code[2], *code - OP_BRA);  
     code += 2;  
     }  
   
   else switch(*code)  
     {  
     case OP_END:  
     fprintf(outfile, "    %s\n", OP_names[*code]);  
     fprintf(outfile, "------------------------------------------------------------------\n");  
     return;  
   
     case OP_OPT:  
     fprintf(outfile, " %.2x %s", code[1], OP_names[*code]);  
     code++;  
     break;  
   
     case OP_COND:  
     fprintf(outfile, "%3d Cond", (code[1] << 8) + code[2]);  
     code += 2;  
     break;  
   
     case OP_CREF:  
     fprintf(outfile, " %.2d %s", code[1], OP_names[*code]);  
     code++;  
     break;  
   
     case OP_CHARS:  
     charlength = *(++code);  
     fprintf(outfile, "%3d ", charlength);  
     while (charlength-- > 0)  
       if (isprint(c = *(++code))) fprintf(outfile, "%c", c);  
         else fprintf(outfile, "\\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_ASSERTBACK:  
     case OP_ASSERTBACK_NOT:  
     case OP_ONCE:  
     fprintf(outfile, "%3d %s", (code[1] << 8) + code[2], OP_names[*code]);  
     code += 2;  
     break;  
   
     case OP_REVERSE:  
     fprintf(outfile, "%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)  
       fprintf(outfile, "    %s", OP_names[code[1]]);  
     else if (isprint(c = code[1])) fprintf(outfile, "    %c", c);  
       else fprintf(outfile, "    \\x%02x", c);  
     fprintf(outfile, "%s", OP_names[*code++]);  
     break;  
   
     case OP_EXACT:  
     case OP_UPTO:  
     case OP_MINUPTO:  
     if (isprint(c = code[3])) fprintf(outfile, "    %c{", c);  
       else fprintf(outfile, "    \\x%02x{", c);  
     if (*code != OP_EXACT) fprintf(outfile, ",");  
     fprintf(outfile, "%d}", (code[1] << 8) + code[2]);  
     if (*code == OP_MINUPTO) fprintf(outfile, "?");  
     code += 3;  
     break;  
   
     case OP_TYPEEXACT:  
     case OP_TYPEUPTO:  
     case OP_TYPEMINUPTO:  
     fprintf(outfile, "    %s{", OP_names[code[3]]);  
     if (*code != OP_TYPEEXACT) fprintf(outfile, "0,");  
     fprintf(outfile, "%d}", (code[1] << 8) + code[2]);  
     if (*code == OP_TYPEMINUPTO) fprintf(outfile, "?");  
     code += 3;  
     break;  
   
     case OP_NOT:  
     if (isprint(c = *(++code))) fprintf(outfile, "    [^%c]", c);  
       else fprintf(outfile, "    [^\\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])) fprintf(outfile, "    [^%c]", c);  
       else fprintf(outfile, "    [^\\x%02x]", c);  
     fprintf(outfile, "%s", OP_names[*code++]);  
     break;  
   
     case OP_NOTEXACT:  
     case OP_NOTUPTO:  
     case OP_NOTMINUPTO:  
     if (isprint(c = code[3])) fprintf(outfile, "    [^%c]{", c);  
       else fprintf(outfile, "    [^\\x%02x]{", c);  
     if (*code != OP_NOTEXACT) fprintf(outfile, ",");  
     fprintf(outfile, "%d}", (code[1] << 8) + code[2]);  
     if (*code == OP_NOTMINUPTO) fprintf(outfile, "?");  
     code += 3;  
     break;  
   
     case OP_REF:  
     fprintf(outfile, "    \\%d", *(++code));  
     code++;  
     goto CLASS_REF_REPEAT;  
   
     case OP_CLASS:  
       {  
       int i, min, max;  
       code++;  
       fprintf(outfile, "    [");  
   
       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 == ']') fprintf(outfile, "\\");  
           if (isprint(i)) fprintf(outfile, "%c", i); else fprintf(outfile, "\\x%02x", i);  
           if (--j > i)  
             {  
             fprintf(outfile, "-");  
             if (j == '-' || j == ']') fprintf(outfile, "\\");  
             if (isprint(j)) fprintf(outfile, "%c", j); else fprintf(outfile, "\\x%02x", j);  
             }  
           i = j;  
           }  
         }  
       fprintf(outfile, "]");  
       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:  
         fprintf(outfile, "%s", OP_names[*code]);  
         break;  
613    
614          case OP_CRRANGE:    if (rlen > 1000)
615          case OP_CRMINRANGE:      {
616          min = (code[1] << 8) + code[2];      int dlen;
         max = (code[3] << 8) + code[4];  
         if (max == 0) fprintf(outfile, "{%d,}", min);  
         else fprintf(outfile, "{%d,%d}", min, max);  
         if (*code == OP_CRMINRANGE) fprintf(outfile, "?");  
         code += 4;  
         break;  
617    
618          default:      /* If libreadline support is required, use readline() to read a line if the
619          code--;      input is a terminal. Note that readline() removes the trailing newline, so
620          }      we must put it back again, to be compatible with fgets(). */
621    
622    #ifdef SUPPORT_LIBREADLINE
623        if (isatty(fileno(f)))
624          {
625          size_t len;
626          char *s = readline(prompt);
627          if (s == NULL) return (here == start)? NULL : start;
628          len = strlen(s);
629          if (len > 0) add_history(s);
630          if (len > rlen - 1) len = rlen - 1;
631          memcpy(here, s, len);
632          here[len] = '\n';
633          here[len+1] = 0;
634          free(s);
635        }        }
636      break;      else
637    #endif
638    
639        /* Read the next line by normal means, prompting if the file is stdin. */
640    
641      /* Anything else is just a one-node item */        {
642          if (f == stdin) printf("%s", prompt);
643          if (fgets((char *)here, rlen,  f) == NULL)
644            return (here == start)? NULL : start;
645          }
646    
647      default:      dlen = (int)strlen((char *)here);
648      fprintf(outfile, "    %s", OP_names[*code]);      if (dlen > 0 && here[dlen - 1] == '\n') return start;
649      break;      here += dlen;
650      }      }
651    
652    code++;    else
653    fprintf(outfile, "\n");      {
654        int new_buffer_size = 2*buffer_size;
655        uschar *new_buffer = (unsigned char *)malloc(new_buffer_size);
656        uschar *new_dbuffer = (unsigned char *)malloc(new_buffer_size);
657        uschar *new_pbuffer = (unsigned char *)malloc(new_buffer_size);
658    
659        if (new_buffer == NULL || new_dbuffer == NULL || new_pbuffer == NULL)
660          {
661          fprintf(stderr, "pcretest: malloc(%d) failed\n", new_buffer_size);
662          exit(1);
663          }
664    
665        memcpy(new_buffer, buffer, buffer_size);
666        memcpy(new_pbuffer, pbuffer, buffer_size);
667    
668        buffer_size = new_buffer_size;
669    
670        start = new_buffer + (start - buffer);
671        here = new_buffer + (here - buffer);
672    
673        free(buffer);
674        free(dbuffer);
675        free(pbuffer);
676    
677        buffer = new_buffer;
678        dbuffer = new_dbuffer;
679        pbuffer = new_pbuffer;
680        }
681    }    }
682    
683    return NULL;  /* Control never gets here */
684  }  }
685    
686    
687    
 /* Character string printing function. */  
688    
689  static void pchars(unsigned char *p, int length)  
690    
691    
692    /*************************************************
693    *          Read number from string               *
694    *************************************************/
695    
696    /* We don't use strtoul() because SunOS4 doesn't have it. Rather than mess
697    around with conditional compilation, just do the job by hand. It is only used
698    for unpicking arguments, so just keep it simple.
699    
700    Arguments:
701      str           string to be converted
702      endptr        where to put the end pointer
703    
704    Returns:        the unsigned long
705    */
706    
707    static int
708    get_value(unsigned char *str, unsigned char **endptr)
709  {  {
710  int c;  int result = 0;
711    while(*str != 0 && isspace(*str)) str++;
712    while (isdigit(*str)) result = result * 10 + (int)(*str++ - '0');
713    *endptr = str;
714    return(result);
715    }
716    
717    
718    
719    
720    /*************************************************
721    *            Convert UTF-8 string to value       *
722    *************************************************/
723    
724    /* This function takes one or more bytes that represents a UTF-8 character,
725    and returns the value of the character.
726    
727    Argument:
728      utf8bytes   a pointer to the byte vector
729      vptr        a pointer to an int to receive the value
730    
731    Returns:      >  0 => the number of bytes consumed
732                  -6 to 0 => malformed UTF-8 character at offset = (-return)
733    */
734    
735    #if !defined NOUTF8
736    
737    static int
738    utf82ord(unsigned char *utf8bytes, int *vptr)
739    {
740    int c = *utf8bytes++;
741    int d = c;
742    int i, j, s;
743    
744    for (i = -1; i < 6; i++)               /* i is number of additional bytes */
745      {
746      if ((d & 0x80) == 0) break;
747      d <<= 1;
748      }
749    
750    if (i == -1) { *vptr = c; return 1; }  /* ascii character */
751    if (i == 0 || i == 6) return 0;        /* invalid UTF-8 */
752    
753    /* i now has a value in the range 1-5 */
754    
755    s = 6*i;
756    d = (c & utf8_table3[i]) << s;
757    
758    for (j = 0; j < i; j++)
759      {
760      c = *utf8bytes++;
761      if ((c & 0xc0) != 0x80) return -(j+1);
762      s -= 6;
763      d |= (c & 0x3f) << s;
764      }
765    
766    /* Check that encoding was the correct unique one */
767    
768    for (j = 0; j < utf8_table1_size; j++)
769      if (d <= utf8_table1[j]) break;
770    if (j != i) return -(i+1);
771    
772    /* Valid value */
773    
774    *vptr = d;
775    return i+1;
776    }
777    
778    #endif
779    
780    
781    
782    /*************************************************
783    *       Convert character value to UTF-8         *
784    *************************************************/
785    
786    /* This function takes an integer value in the range 0 - 0x7fffffff
787    and encodes it as a UTF-8 character in 0 to 6 bytes.
788    
789    Arguments:
790      cvalue     the character value
791      utf8bytes  pointer to buffer for result - at least 6 bytes long
792    
793    Returns:     number of characters placed in the buffer
794    */
795    
796    #if !defined NOUTF8
797    
798    static int
799    ord2utf8(int cvalue, uschar *utf8bytes)
800    {
801    register int i, j;
802    for (i = 0; i < utf8_table1_size; i++)
803      if (cvalue <= utf8_table1[i]) break;
804    utf8bytes += i;
805    for (j = i; j > 0; j--)
806     {
807     *utf8bytes-- = 0x80 | (cvalue & 0x3f);
808     cvalue >>= 6;
809     }
810    *utf8bytes = utf8_table2[i] | cvalue;
811    return i + 1;
812    }
813    
814    #endif
815    
816    
817    
818    /*************************************************
819    *             Print character string             *
820    *************************************************/
821    
822    /* Character string printing function. Must handle UTF-8 strings in utf8
823    mode. Yields number of characters printed. If handed a NULL file, just counts
824    chars without printing. */
825    
826    static int pchars(unsigned char *p, int length, FILE *f)
827    {
828    int c = 0;
829    int yield = 0;
830    
831  while (length-- > 0)  while (length-- > 0)
832    if (isprint(c = *(p++))) fprintf(outfile, "%c", c);    {
833      else fprintf(outfile, "\\x%02x", c);  #if !defined NOUTF8
834      if (use_utf8)
835        {
836        int rc = utf82ord(p, &c);
837    
838        if (rc > 0 && rc <= length + 1)   /* Mustn't run over the end */
839          {
840          length -= rc - 1;
841          p += rc;
842          if (PRINTHEX(c))
843            {
844            if (f != NULL) fprintf(f, "%c", c);
845            yield++;
846            }
847          else
848            {
849            int n = 4;
850            if (f != NULL) fprintf(f, "\\x{%02x}", c);
851            yield += (n <= 0x000000ff)? 2 :
852                     (n <= 0x00000fff)? 3 :
853                     (n <= 0x0000ffff)? 4 :
854                     (n <= 0x000fffff)? 5 : 6;
855            }
856          continue;
857          }
858        }
859    #endif
860    
861       /* Not UTF-8, or malformed UTF-8  */
862    
863      c = *p++;
864      if (PRINTHEX(c))
865        {
866        if (f != NULL) fprintf(f, "%c", c);
867        yield++;
868        }
869      else
870        {
871        if (f != NULL) fprintf(f, "\\x%02x", c);
872        yield += 4;
873        }
874      }
875    
876    return yield;
877  }  }
878    
879    
880    
881    /*************************************************
882    *              Callout function                  *
883    *************************************************/
884    
885    /* Called from PCRE as a result of the (?C) item. We print out where we are in
886    the match. Yield zero unless more callouts than the fail count, or the callout
887    data is not zero. */
888    
889    static int callout(pcre_callout_block *cb)
890    {
891    FILE *f = (first_callout | callout_extra)? outfile : NULL;
892    int i, pre_start, post_start, subject_length;
893    
894    if (callout_extra)
895      {
896      fprintf(f, "Callout %d: last capture = %d\n",
897        cb->callout_number, cb->capture_last);
898    
899      for (i = 0; i < cb->capture_top * 2; i += 2)
900        {
901        if (cb->offset_vector[i] < 0)
902          fprintf(f, "%2d: <unset>\n", i/2);
903        else
904          {
905          fprintf(f, "%2d: ", i/2);
906          (void)pchars((unsigned char *)cb->subject + cb->offset_vector[i],
907            cb->offset_vector[i+1] - cb->offset_vector[i], f);
908          fprintf(f, "\n");
909          }
910        }
911      }
912    
913    /* Re-print the subject in canonical form, the first time or if giving full
914    datails. On subsequent calls in the same match, we use pchars just to find the
915    printed lengths of the substrings. */
916    
917    if (f != NULL) fprintf(f, "--->");
918    
919    pre_start = pchars((unsigned char *)cb->subject, cb->start_match, f);
920    post_start = pchars((unsigned char *)(cb->subject + cb->start_match),
921      cb->current_position - cb->start_match, f);
922    
923    subject_length = pchars((unsigned char *)cb->subject, cb->subject_length, NULL);
924    
925    (void)pchars((unsigned char *)(cb->subject + cb->current_position),
926      cb->subject_length - cb->current_position, f);
927    
928    if (f != NULL) fprintf(f, "\n");
929    
930    /* Always print appropriate indicators, with callout number if not already
931    shown. For automatic callouts, show the pattern offset. */
932    
933    if (cb->callout_number == 255)
934      {
935      fprintf(outfile, "%+3d ", cb->pattern_position);
936      if (cb->pattern_position > 99) fprintf(outfile, "\n    ");
937      }
938    else
939      {
940      if (callout_extra) fprintf(outfile, "    ");
941        else fprintf(outfile, "%3d ", cb->callout_number);
942      }
943    
944    for (i = 0; i < pre_start; i++) fprintf(outfile, " ");
945    fprintf(outfile, "^");
946    
947    if (post_start > 0)
948      {
949      for (i = 0; i < post_start - 1; i++) fprintf(outfile, " ");
950      fprintf(outfile, "^");
951      }
952    
953    for (i = 0; i < subject_length - pre_start - post_start + 4; i++)
954      fprintf(outfile, " ");
955    
956    fprintf(outfile, "%.*s", (cb->next_item_length == 0)? 1 : cb->next_item_length,
957      pbuffer + cb->pattern_position);
958    
959    fprintf(outfile, "\n");
960    first_callout = 0;
961    
962    if (cb->callout_data != NULL)
963      {
964      int callout_data = *((int *)(cb->callout_data));
965      if (callout_data != 0)
966        {
967        fprintf(outfile, "Callout data = %d\n", callout_data);
968        return callout_data;
969        }
970      }
971    
972    return (cb->callout_number != callout_fail_id)? 0 :
973           (++callout_count >= callout_fail_count)? 1 : 0;
974    }
975    
976    
977    /*************************************************
978    *            Local malloc functions              *
979    *************************************************/
980    
981  /* Alternative malloc function, to test functionality and show the size of the  /* Alternative malloc function, to test functionality and show the size of the
982  compiled re. */  compiled re. */
983    
984  static void *new_malloc(size_t size)  static void *new_malloc(size_t size)
985  {  {
986  if (log_store) fprintf(outfile, "Store size request: %d\n", (int)size);  void *block = malloc(size);
987  return malloc(size);  gotten_store = size;
988    if (show_malloc)
989      fprintf(outfile, "malloc       %3d %p\n", (int)size, block);
990    return block;
991    }
992    
993    static void new_free(void *block)
994    {
995    if (show_malloc)
996      fprintf(outfile, "free             %p\n", block);
997    free(block);
998    }
999    
1000    
1001    /* For recursion malloc/free, to test stacking calls */
1002    
1003    static void *stack_malloc(size_t size)
1004    {
1005    void *block = malloc(size);
1006    if (show_malloc)
1007      fprintf(outfile, "stack_malloc %3d %p\n", (int)size, block);
1008    return block;
1009    }
1010    
1011    static void stack_free(void *block)
1012    {
1013    if (show_malloc)
1014      fprintf(outfile, "stack_free       %p\n", block);
1015    free(block);
1016    }
1017    
1018    
1019    /*************************************************
1020    *          Call pcre_fullinfo()                  *
1021    *************************************************/
1022    
1023    /* Get one piece of information from the pcre_fullinfo() function */
1024    
1025    static void new_info(pcre *re, pcre_extra *study, int option, void *ptr)
1026    {
1027    int rc;
1028    if ((rc = pcre_fullinfo(re, study, option, ptr)) < 0)
1029      fprintf(outfile, "Error %d from pcre_fullinfo(%d)\n", rc, option);
1030    }
1031    
1032    
1033    
1034    /*************************************************
1035    *         Byte flipping function                 *
1036    *************************************************/
1037    
1038    static unsigned long int
1039    byteflip(unsigned long int value, int n)
1040    {
1041    if (n == 2) return ((value & 0x00ff) << 8) | ((value & 0xff00) >> 8);
1042    return ((value & 0x000000ff) << 24) |
1043           ((value & 0x0000ff00) <<  8) |
1044           ((value & 0x00ff0000) >>  8) |
1045           ((value & 0xff000000) >> 24);
1046    }
1047    
1048    
1049    
1050    
1051    /*************************************************
1052    *        Check match or recursion limit          *
1053    *************************************************/
1054    
1055    static int
1056    check_match_limit(pcre *re, pcre_extra *extra, uschar *bptr, int len,
1057      int start_offset, int options, int *use_offsets, int use_size_offsets,
1058      int flag, unsigned long int *limit, int errnumber, const char *msg)
1059    {
1060    int count;
1061    int min = 0;
1062    int mid = 64;
1063    int max = -1;
1064    
1065    extra->flags |= flag;
1066    
1067    for (;;)
1068      {
1069      *limit = mid;
1070    
1071      count = pcre_exec(re, extra, (char *)bptr, len, start_offset, options,
1072        use_offsets, use_size_offsets);
1073    
1074      if (count == errnumber)
1075        {
1076        /* fprintf(outfile, "Testing %s limit = %d\n", msg, mid); */
1077        min = mid;
1078        mid = (mid == max - 1)? max : (max > 0)? (min + max)/2 : mid*2;
1079        }
1080    
1081      else if (count >= 0 || count == PCRE_ERROR_NOMATCH ||
1082                             count == PCRE_ERROR_PARTIAL)
1083        {
1084        if (mid == min + 1)
1085          {
1086          fprintf(outfile, "Minimum %s limit = %d\n", msg, mid);
1087          break;
1088          }
1089        /* fprintf(outfile, "Testing %s limit = %d\n", msg, mid); */
1090        max = mid;
1091        mid = (min + mid)/2;
1092        }
1093      else break;    /* Some other error */
1094      }
1095    
1096    extra->flags &= ~flag;
1097    return count;
1098    }
1099    
1100    
1101    
1102    /*************************************************
1103    *         Case-independent strncmp() function    *
1104    *************************************************/
1105    
1106    /*
1107    Arguments:
1108      s         first string
1109      t         second string
1110      n         number of characters to compare
1111    
1112    Returns:    < 0, = 0, or > 0, according to the comparison
1113    */
1114    
1115    static int
1116    strncmpic(uschar *s, uschar *t, int n)
1117    {
1118    while (n--)
1119      {
1120      int c = tolower(*s++) - tolower(*t++);
1121      if (c) return c;
1122      }
1123    return 0;
1124    }
1125    
1126    
1127    
1128    /*************************************************
1129    *         Check newline indicator                *
1130    *************************************************/
1131    
1132    /* This is used both at compile and run-time to check for <xxx> escapes. Print
1133    a message and return 0 if there is no match.
1134    
1135    Arguments:
1136      p           points after the leading '<'
1137      f           file for error message
1138    
1139    Returns:      appropriate PCRE_NEWLINE_xxx flags, or 0
1140    */
1141    
1142    static int
1143    check_newline(uschar *p, FILE *f)
1144    {
1145    if (strncmpic(p, (uschar *)"cr>", 3) == 0) return PCRE_NEWLINE_CR;
1146    if (strncmpic(p, (uschar *)"lf>", 3) == 0) return PCRE_NEWLINE_LF;
1147    if (strncmpic(p, (uschar *)"crlf>", 5) == 0) return PCRE_NEWLINE_CRLF;
1148    if (strncmpic(p, (uschar *)"anycrlf>", 8) == 0) return PCRE_NEWLINE_ANYCRLF;
1149    if (strncmpic(p, (uschar *)"any>", 4) == 0) return PCRE_NEWLINE_ANY;
1150    if (strncmpic(p, (uschar *)"bsr_anycrlf>", 12) == 0) return PCRE_BSR_ANYCRLF;
1151    if (strncmpic(p, (uschar *)"bsr_unicode>", 12) == 0) return PCRE_BSR_UNICODE;
1152    fprintf(f, "Unknown newline type at: <%s\n", p);
1153    return 0;
1154  }  }
1155    
1156    
1157    
1158    /*************************************************
1159    *             Usage function                     *
1160    *************************************************/
1161    
1162    static void
1163    usage(void)
1164    {
1165    printf("Usage:     pcretest [options] [<input file> [<output file>]]\n\n");
1166    printf("Input and output default to stdin and stdout.\n");
1167    #ifdef SUPPORT_LIBREADLINE
1168    printf("If input is a terminal, readline() is used to read from it.\n");
1169    #else
1170    printf("This version of pcretest is not linked with readline().\n");
1171    #endif
1172    printf("\nOptions:\n");
1173    printf("  -b       show compiled code (bytecode)\n");
1174    printf("  -C       show PCRE compile-time options and exit\n");
1175    printf("  -d       debug: show compiled code and information (-b and -i)\n");
1176    #if !defined NODFA
1177    printf("  -dfa     force DFA matching for all subjects\n");
1178    #endif
1179    printf("  -help    show usage information\n");
1180    printf("  -i       show information about compiled patterns\n"
1181           "  -M       find MATCH_LIMIT minimum for each subject\n"
1182           "  -m       output memory used information\n"
1183           "  -o <n>   set size of offsets vector to <n>\n");
1184    #if !defined NOPOSIX
1185    printf("  -p       use POSIX interface\n");
1186    #endif
1187    printf("  -q       quiet: do not output PCRE version number at start\n");
1188    printf("  -S <n>   set stack size to <n> megabytes\n");
1189    printf("  -s       force each pattern to be studied\n"
1190           "  -t       time compilation and execution\n");
1191    printf("  -t <n>   time compilation and execution, repeating <n> times\n");
1192    printf("  -tm      time execution (matching) only\n");
1193    printf("  -tm <n>  time execution (matching) only, repeating <n> times\n");
1194    }
1195    
1196    
1197    
1198    /*************************************************
1199    *                Main Program                    *
1200    *************************************************/
1201    
1202  /* 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
1203  consist of a regular expression, in delimiters and optionally followed by  consist of a regular expression, in delimiters and optionally followed by
1204  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 289  int main(int argc, char **argv) Line 1208  int main(int argc, char **argv)
1208  FILE *infile = stdin;  FILE *infile = stdin;
1209  int options = 0;  int options = 0;
1210  int study_options = 0;  int study_options = 0;
1211    int default_find_match_limit = FALSE;
1212  int op = 1;  int op = 1;
1213  int timeit = 0;  int timeit = 0;
1214    int timeitm = 0;
1215  int showinfo = 0;  int showinfo = 0;
1216    int showstore = 0;
1217    int force_study = 0;
1218    int quiet = 0;
1219    int size_offsets = 45;
1220    int size_offsets_max;
1221    int *offsets = NULL;
1222    #if !defined NOPOSIX
1223  int posix = 0;  int posix = 0;
1224    #endif
1225  int debug = 0;  int debug = 0;
1226  int done = 0;  int done = 0;
1227  unsigned char buffer[30000];  int all_use_dfa = 0;
1228  unsigned char dbuffer[1024];  int yield = 0;
1229    int stack_size;
1230    
1231    /* These vectors store, end-to-end, a list of captured substring names. Assume
1232    that 1024 is plenty long enough for the few names we'll be testing. */
1233    
1234    uschar copynames[1024];
1235    uschar getnames[1024];
1236    
1237    uschar *copynamesptr;
1238    uschar *getnamesptr;
1239    
1240  /* Static so that new_malloc can use it. */  /* Get buffers from malloc() so that Electric Fence will check their misuse
1241    when I am debugging. They grow automatically when very long lines are read. */
1242    
1243    buffer = (unsigned char *)malloc(buffer_size);
1244    dbuffer = (unsigned char *)malloc(buffer_size);
1245    pbuffer = (unsigned char *)malloc(buffer_size);
1246    
1247    /* The outfile variable is static so that new_malloc can use it. */
1248    
1249  outfile = stdout;  outfile = stdout;
1250    
1251    /* The following  _setmode() stuff is some Windows magic that tells its runtime
1252    library to translate CRLF into a single LF character. At least, that's what
1253    I've been told: never having used Windows I take this all on trust. Originally
1254    it set 0x8000, but then I was advised that _O_BINARY was better. */
1255    
1256    #if defined(_WIN32) || defined(WIN32)
1257    _setmode( _fileno( stdout ), _O_BINARY );
1258    #endif
1259    
1260  /* Scan options */  /* Scan options */
1261    
1262  while (argc > 1 && argv[op][0] == '-')  while (argc > 1 && argv[op][0] == '-')
1263    {    {
1264    if (strcmp(argv[op], "-s") == 0) log_store = 1;    unsigned char *endptr;
1265    else if (strcmp(argv[op], "-t") == 0) timeit = 1;  
1266      if (strcmp(argv[op], "-m") == 0) showstore = 1;
1267      else if (strcmp(argv[op], "-s") == 0) force_study = 1;
1268      else if (strcmp(argv[op], "-q") == 0) quiet = 1;
1269      else if (strcmp(argv[op], "-b") == 0) debug = 1;
1270    else if (strcmp(argv[op], "-i") == 0) showinfo = 1;    else if (strcmp(argv[op], "-i") == 0) showinfo = 1;
1271    else if (strcmp(argv[op], "-d") == 0) showinfo = debug = 1;    else if (strcmp(argv[op], "-d") == 0) showinfo = debug = 1;
1272      else if (strcmp(argv[op], "-M") == 0) default_find_match_limit = TRUE;
1273    #if !defined NODFA
1274      else if (strcmp(argv[op], "-dfa") == 0) all_use_dfa = 1;
1275    #endif
1276      else if (strcmp(argv[op], "-o") == 0 && argc > 2 &&
1277          ((size_offsets = get_value((unsigned char *)argv[op+1], &endptr)),
1278            *endptr == 0))
1279        {
1280        op++;
1281        argc--;
1282        }
1283      else if (strcmp(argv[op], "-t") == 0 || strcmp(argv[op], "-tm") == 0)
1284        {
1285        int both = argv[op][2] == 0;
1286        int temp;
1287        if (argc > 2 && (temp = get_value((unsigned char *)argv[op+1], &endptr),
1288                         *endptr == 0))
1289          {
1290          timeitm = temp;
1291          op++;
1292          argc--;
1293          }
1294        else timeitm = LOOPREPEAT;
1295        if (both) timeit = timeitm;
1296        }
1297      else if (strcmp(argv[op], "-S") == 0 && argc > 2 &&
1298          ((stack_size = get_value((unsigned char *)argv[op+1], &endptr)),
1299            *endptr == 0))
1300        {
1301    #if defined(_WIN32) || defined(WIN32)
1302        printf("PCRE: -S not supported on this OS\n");
1303        exit(1);
1304    #else
1305        int rc;
1306        struct rlimit rlim;
1307        getrlimit(RLIMIT_STACK, &rlim);
1308        rlim.rlim_cur = stack_size * 1024 * 1024;
1309        rc = setrlimit(RLIMIT_STACK, &rlim);
1310        if (rc != 0)
1311          {
1312        printf("PCRE: setrlimit() failed with error %d\n", rc);
1313        exit(1);
1314          }
1315        op++;
1316        argc--;
1317    #endif
1318        }
1319    #if !defined NOPOSIX
1320    else if (strcmp(argv[op], "-p") == 0) posix = 1;    else if (strcmp(argv[op], "-p") == 0) posix = 1;
1321    #endif
1322      else if (strcmp(argv[op], "-C") == 0)
1323        {
1324        int rc;
1325        unsigned long int lrc;
1326        printf("PCRE version %s\n", pcre_version());
1327        printf("Compiled with\n");
1328        (void)pcre_config(PCRE_CONFIG_UTF8, &rc);
1329        printf("  %sUTF-8 support\n", rc? "" : "No ");
1330        (void)pcre_config(PCRE_CONFIG_UNICODE_PROPERTIES, &rc);
1331        printf("  %sUnicode properties support\n", rc? "" : "No ");
1332        (void)pcre_config(PCRE_CONFIG_NEWLINE, &rc);
1333        /* Note that these values are always the ASCII values, even
1334        in EBCDIC environments. CR is 13 and NL is 10. */
1335        printf("  Newline sequence is %s\n", (rc == 13)? "CR" :
1336          (rc == 10)? "LF" : (rc == (13<<8 | 10))? "CRLF" :
1337          (rc == -2)? "ANYCRLF" :
1338          (rc == -1)? "ANY" : "???");
1339        (void)pcre_config(PCRE_CONFIG_BSR, &rc);
1340        printf("  \\R matches %s\n", rc? "CR, LF, or CRLF only" :
1341                                         "all Unicode newlines");
1342        (void)pcre_config(PCRE_CONFIG_LINK_SIZE, &rc);
1343        printf("  Internal link size = %d\n", rc);
1344        (void)pcre_config(PCRE_CONFIG_POSIX_MALLOC_THRESHOLD, &rc);
1345        printf("  POSIX malloc threshold = %d\n", rc);
1346        (void)pcre_config(PCRE_CONFIG_MATCH_LIMIT, &lrc);
1347        printf("  Default match limit = %ld\n", lrc);
1348        (void)pcre_config(PCRE_CONFIG_MATCH_LIMIT_RECURSION, &lrc);
1349        printf("  Default recursion depth limit = %ld\n", lrc);
1350        (void)pcre_config(PCRE_CONFIG_STACKRECURSE, &rc);
1351        printf("  Match recursion uses %s\n", rc? "stack" : "heap");
1352        goto EXIT;
1353        }
1354      else if (strcmp(argv[op], "-help") == 0 ||
1355               strcmp(argv[op], "--help") == 0)
1356        {
1357        usage();
1358        goto EXIT;
1359        }
1360    else    else
1361      {      {
1362      printf("*** Unknown option %s\n", argv[op]);      printf("** Unknown or malformed option %s\n", argv[op]);
1363      printf("Usage: pcretest [-d] [-i] [-p] [-s] [-t] [<input> [<output>]]\n");      usage();
1364      printf("  -d   debug: show compiled code; implies -i\n"      yield = 1;
1365             "  -i   show information about compiled pattern\n"      goto EXIT;
            "  -p   use POSIX interface\n"  
            "  -s   output store information\n"  
            "  -t   time compilation and execution\n");  
     return 1;  
1366      }      }
1367    op++;    op++;
1368    argc--;    argc--;
1369    }    }
1370    
1371    /* Get the store for the offsets vector, and remember what it was */
1372    
1373    size_offsets_max = size_offsets;
1374    offsets = (int *)malloc(size_offsets_max * sizeof(int));
1375    if (offsets == NULL)
1376      {
1377      printf("** Failed to get %d bytes of memory for offsets vector\n",
1378        (int)(size_offsets_max * sizeof(int)));
1379      yield = 1;
1380      goto EXIT;
1381      }
1382    
1383  /* Sort out the input and output files */  /* Sort out the input and output files */
1384    
1385  if (argc > 1)  if (argc > 1)
1386    {    {
1387    infile = fopen(argv[op], "r");    infile = fopen(argv[op], INPUT_MODE);
1388    if (infile == NULL)    if (infile == NULL)
1389      {      {
1390      printf("** Failed to open %s\n", argv[op]);      printf("** Failed to open %s\n", argv[op]);
1391      return 1;      yield = 1;
1392        goto EXIT;
1393      }      }
1394    }    }
1395    
1396  if (argc > 2)  if (argc > 2)
1397    {    {
1398    outfile = fopen(argv[op+1], "w");    outfile = fopen(argv[op+1], OUTPUT_MODE);
1399    if (outfile == NULL)    if (outfile == NULL)
1400      {      {
1401      printf("** Failed to open %s\n", argv[op+1]);      printf("** Failed to open %s\n", argv[op+1]);
1402      return 1;      yield = 1;
1403        goto EXIT;
1404      }      }
1405    }    }
1406    
1407  /* Set alternative malloc function */  /* Set alternative malloc function */
1408    
1409  pcre_malloc = new_malloc;  pcre_malloc = new_malloc;
1410    pcre_free = new_free;
1411    pcre_stack_malloc = stack_malloc;
1412    pcre_stack_free = stack_free;
1413    
1414  /* Heading line, then prompt for first regex if stdin */  /* Heading line unless quiet, then prompt for first regex if stdin */
1415    
1416  fprintf(outfile, "PCRE version %s\n\n", pcre_version());  if (!quiet) fprintf(outfile, "PCRE version %s\n\n", pcre_version());
1417    
1418  /* Main loop */  /* Main loop */
1419    
# Line 362  while (!done) Line 1421  while (!done)
1421    {    {
1422    pcre *re = NULL;    pcre *re = NULL;
1423    pcre_extra *extra = NULL;    pcre_extra *extra = NULL;
1424    
1425    #if !defined NOPOSIX  /* There are still compilers that require no indent */
1426    regex_t preg;    regex_t preg;
1427      int do_posix = 0;
1428    #endif
1429    
1430    const char *error;    const char *error;
1431      unsigned char *markptr;
1432    unsigned char *p, *pp, *ppp;    unsigned char *p, *pp, *ppp;
1433    unsigned const char *tables = NULL;    unsigned char *to_file = NULL;
1434      const unsigned char *tables = NULL;
1435      unsigned long int true_size, true_study_size = 0;
1436      size_t size, regex_gotten_store;
1437      int do_mark = 0;
1438    int do_study = 0;    int do_study = 0;
1439    int do_debug = debug;    int do_debug = debug;
1440      int do_G = 0;
1441      int do_g = 0;
1442    int do_showinfo = showinfo;    int do_showinfo = showinfo;
1443    int do_posix = 0;    int do_showrest = 0;
1444    int erroroffset, len, delimiter;    int do_flip = 0;
1445      int erroroffset, len, delimiter, poffset;
1446    
1447    if (infile == stdin) printf("  re> ");    use_utf8 = 0;
1448    if (fgets((char *)buffer, sizeof(buffer), infile) == NULL) break;    debug_lengths = 1;
1449    
1450      if (extend_inputline(infile, buffer, "  re> ") == NULL) break;
1451    if (infile != stdin) fprintf(outfile, "%s", (char *)buffer);    if (infile != stdin) fprintf(outfile, "%s", (char *)buffer);
1452      fflush(outfile);
1453    
1454    p = buffer;    p = buffer;
1455    while (isspace(*p)) p++;    while (isspace(*p)) p++;
1456    if (*p == 0) continue;    if (*p == 0) continue;
1457    
1458    /* 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. */
1459    complete, read more. */  
1460      if (*p == '<' && strchr((char *)(p+1), '<') == NULL)
1461        {
1462        unsigned long int magic, get_options;
1463        uschar sbuf[8];
1464        FILE *f;
1465    
1466        p++;
1467        pp = p + (int)strlen((char *)p);
1468        while (isspace(pp[-1])) pp--;
1469        *pp = 0;
1470    
1471        f = fopen((char *)p, "rb");
1472        if (f == NULL)
1473          {
1474          fprintf(outfile, "Failed to open %s: %s\n", p, strerror(errno));
1475          continue;
1476          }
1477    
1478        if (fread(sbuf, 1, 8, f) != 8) goto FAIL_READ;
1479    
1480        true_size =
1481          (sbuf[0] << 24) | (sbuf[1] << 16) | (sbuf[2] << 8) | sbuf[3];
1482        true_study_size =
1483          (sbuf[4] << 24) | (sbuf[5] << 16) | (sbuf[6] << 8) | sbuf[7];
1484    
1485        re = (real_pcre *)new_malloc(true_size);
1486        regex_gotten_store = gotten_store;
1487    
1488        if (fread(re, 1, true_size, f) != true_size) goto FAIL_READ;
1489    
1490        magic = ((real_pcre *)re)->magic_number;
1491        if (magic != MAGIC_NUMBER)
1492          {
1493          if (byteflip(magic, sizeof(magic)) == MAGIC_NUMBER)
1494            {
1495            do_flip = 1;
1496            }
1497          else
1498            {
1499            fprintf(outfile, "Data in %s is not a compiled PCRE regex\n", p);
1500            fclose(f);
1501            continue;
1502            }
1503          }
1504    
1505        fprintf(outfile, "Compiled regex%s loaded from %s\n",
1506          do_flip? " (byte-inverted)" : "", p);
1507    
1508        /* Need to know if UTF-8 for printing data strings */
1509    
1510        new_info(re, NULL, PCRE_INFO_OPTIONS, &get_options);
1511        use_utf8 = (get_options & PCRE_UTF8) != 0;
1512    
1513        /* Now see if there is any following study data */
1514    
1515        if (true_study_size != 0)
1516          {
1517          pcre_study_data *psd;
1518    
1519          extra = (pcre_extra *)new_malloc(sizeof(pcre_extra) + true_study_size);
1520          extra->flags = PCRE_EXTRA_STUDY_DATA;
1521    
1522          psd = (pcre_study_data *)(((char *)extra) + sizeof(pcre_extra));
1523          extra->study_data = psd;
1524    
1525          if (fread(psd, 1, true_study_size, f) != true_study_size)
1526            {
1527            FAIL_READ:
1528            fprintf(outfile, "Failed to read data from %s\n", p);
1529            if (extra != NULL) new_free(extra);
1530            if (re != NULL) new_free(re);
1531            fclose(f);
1532            continue;
1533            }
1534          fprintf(outfile, "Study data loaded from %s\n", p);
1535          do_study = 1;     /* To get the data output if requested */
1536          }
1537        else fprintf(outfile, "No study data\n");
1538    
1539        fclose(f);
1540        goto SHOW_INFO;
1541        }
1542    
1543      /* In-line pattern (the usual case). Get the delimiter and seek the end of
1544      the pattern; if is isn't complete, read more. */
1545    
1546    delimiter = *p++;    delimiter = *p++;
1547    
1548    if (isalnum(delimiter))    if (isalnum(delimiter) || delimiter == '\\')
1549      {      {
1550      fprintf(outfile, "** Delimiter must not be alphameric\n");      fprintf(outfile, "** Delimiter must not be alphanumeric or \\\n");
1551      goto SKIP_DATA;      goto SKIP_DATA;
1552      }      }
1553    
1554    pp = p;    pp = p;
1555      poffset = (int)(p - buffer);
1556    
1557    for(;;)    for(;;)
1558      {      {
1559      while (*pp != 0 && *pp != delimiter) pp++;      while (*pp != 0)
     if (*pp != 0) break;  
   
     len = sizeof(buffer) - (pp - buffer);  
     if (len < 256)  
1560        {        {
1561        fprintf(outfile, "** Expression too long - missing delimiter?\n");        if (*pp == '\\' && pp[1] != 0) pp++;
1562        goto SKIP_DATA;          else if (*pp == delimiter) break;
1563          pp++;
1564        }        }
1565        if (*pp != 0) break;
1566      if (infile == stdin) printf("    > ");      if ((pp = extend_inputline(infile, pp, "    > ")) == NULL)
     if (fgets((char *)pp, len, infile) == NULL)  
1567        {        {
1568        fprintf(outfile, "** Unexpected EOF\n");        fprintf(outfile, "** Unexpected EOF\n");
1569        done = 1;        done = 1;
# Line 415  while (!done) Line 1572  while (!done)
1572      if (infile != stdin) fprintf(outfile, "%s", (char *)pp);      if (infile != stdin) fprintf(outfile, "%s", (char *)pp);
1573      }      }
1574    
1575    /* Terminate the pattern at the delimiter */    /* The buffer may have moved while being extended; reset the start of data
1576      pointer to the correct relative point in the buffer. */
1577    
1578      p = buffer + poffset;
1579    
1580      /* If the first character after the delimiter is backslash, make
1581      the pattern end with backslash. This is purely to provide a way
1582      of testing for the error message when a pattern ends with backslash. */
1583    
1584      if (pp[1] == '\\') *pp++ = '\\';
1585    
1586      /* Terminate the pattern at the delimiter, and save a copy of the pattern
1587      for callouts. */
1588    
1589    *pp++ = 0;    *pp++ = 0;
1590      strcpy((char *)pbuffer, (char *)p);
1591    
1592    /* Look for options after final delimiter */    /* Look for options after final delimiter */
1593    
1594    options = 0;    options = 0;
1595    study_options = 0;    study_options = 0;
1596      log_store = showstore;  /* default from command line */
1597    
1598    while (*pp != 0)    while (*pp != 0)
1599      {      {
1600      switch (*pp++)      switch (*pp++)
1601        {        {
1602          case 'f': options |= PCRE_FIRSTLINE; break;
1603          case 'g': do_g = 1; break;
1604        case 'i': options |= PCRE_CASELESS; break;        case 'i': options |= PCRE_CASELESS; break;
1605        case 'm': options |= PCRE_MULTILINE; break;        case 'm': options |= PCRE_MULTILINE; break;
1606        case 's': options |= PCRE_DOTALL; break;        case 's': options |= PCRE_DOTALL; break;
1607        case 'x': options |= PCRE_EXTENDED; break;        case 'x': options |= PCRE_EXTENDED; break;
1608    
1609          case '+': do_showrest = 1; break;
1610        case 'A': options |= PCRE_ANCHORED; break;        case 'A': options |= PCRE_ANCHORED; break;
1611          case 'B': do_debug = 1; break;
1612          case 'C': options |= PCRE_AUTO_CALLOUT; break;
1613        case 'D': do_debug = do_showinfo = 1; break;        case 'D': do_debug = do_showinfo = 1; break;
1614        case 'E': options |= PCRE_DOLLAR_ENDONLY; break;        case 'E': options |= PCRE_DOLLAR_ENDONLY; break;
1615          case 'F': do_flip = 1; break;
1616          case 'G': do_G = 1; break;
1617        case 'I': do_showinfo = 1; break;        case 'I': do_showinfo = 1; break;
1618          case 'J': options |= PCRE_DUPNAMES; break;
1619          case 'K': do_mark = 1; break;
1620          case 'M': log_store = 1; break;
1621          case 'N': options |= PCRE_NO_AUTO_CAPTURE; break;
1622    
1623    #if !defined NOPOSIX
1624        case 'P': do_posix = 1; break;        case 'P': do_posix = 1; break;
1625    #endif
1626    
1627        case 'S': do_study = 1; break;        case 'S': do_study = 1; break;
1628        case 'U': options |= PCRE_UNGREEDY; break;        case 'U': options |= PCRE_UNGREEDY; break;
1629          case 'W': options |= PCRE_UCP; break;
1630        case 'X': options |= PCRE_EXTRA; break;        case 'X': options |= PCRE_EXTRA; break;
1631          case 'Y': options |= PCRE_NO_START_OPTIMISE; break;
1632          case 'Z': debug_lengths = 0; break;
1633          case '8': options |= PCRE_UTF8; use_utf8 = 1; break;
1634          case '?': options |= PCRE_NO_UTF8_CHECK; break;
1635    
1636          case 'T':
1637          switch (*pp++)
1638            {
1639            case '0': tables = tables0; break;
1640            case '1': tables = tables1; break;
1641    
1642            case '\r':
1643            case '\n':
1644            case ' ':
1645            case 0:
1646            fprintf(outfile, "** Missing table number after /T\n");
1647            goto SKIP_DATA;
1648    
1649            default:
1650            fprintf(outfile, "** Bad table number \"%c\" after /T\n", pp[-1]);
1651            goto SKIP_DATA;
1652            }
1653          break;
1654    
1655        case 'L':        case 'L':
1656        ppp = pp;        ppp = pp;
1657        while (*ppp != '\n' && *ppp != ' ') ppp++;        /* The '\r' test here is so that it works on Windows. */
1658          /* The '0' test is just in case this is an unterminated line. */
1659          while (*ppp != 0 && *ppp != '\n' && *ppp != '\r' && *ppp != ' ') ppp++;
1660        *ppp = 0;        *ppp = 0;
1661        if (setlocale(LC_CTYPE, (const char *)pp) == NULL)        if (setlocale(LC_CTYPE, (const char *)pp) == NULL)
1662          {          {
1663          fprintf(outfile, "** Failed to set locale \"%s\"\n", pp);          fprintf(outfile, "** Failed to set locale \"%s\"\n", pp);
1664          goto SKIP_DATA;          goto SKIP_DATA;
1665          }          }
1666          locale_set = 1;
1667        tables = pcre_maketables();        tables = pcre_maketables();
1668        pp = ppp;        pp = ppp;
1669        break;        break;
1670    
1671        case '\n': case ' ': break;        case '>':
1672          to_file = pp;
1673          while (*pp != 0) pp++;
1674          while (isspace(pp[-1])) pp--;
1675          *pp = 0;
1676          break;
1677    
1678          case '<':
1679            {
1680            if (strncmpic(pp, (uschar *)"JS>", 3) == 0)
1681              {
1682              options |= PCRE_JAVASCRIPT_COMPAT;
1683              pp += 3;
1684              }
1685            else
1686              {
1687              int x = check_newline(pp, outfile);
1688              if (x == 0) goto SKIP_DATA;
1689              options |= x;
1690              while (*pp++ != '>');
1691              }
1692            }
1693          break;
1694    
1695          case '\r':                      /* So that it works in Windows */
1696          case '\n':
1697          case ' ':
1698          break;
1699    
1700        default:        default:
1701        fprintf(outfile, "** Unknown option '%c'\n", pp[-1]);        fprintf(outfile, "** Unknown option '%c'\n", pp[-1]);
1702        goto SKIP_DATA;        goto SKIP_DATA;
# Line 465  while (!done) Line 1707  while (!done)
1707    timing, showing, or debugging options, nor the ability to pass over    timing, showing, or debugging options, nor the ability to pass over
1708    local character tables. */    local character tables. */
1709    
1710    #if !defined NOPOSIX
1711    if (posix || do_posix)    if (posix || do_posix)
1712      {      {
1713      int rc;      int rc;
1714      int cflags = 0;      int cflags = 0;
1715    
1716      if ((options & PCRE_CASELESS) != 0) cflags |= REG_ICASE;      if ((options & PCRE_CASELESS) != 0) cflags |= REG_ICASE;
1717      if ((options & PCRE_MULTILINE) != 0) cflags |= REG_NEWLINE;      if ((options & PCRE_MULTILINE) != 0) cflags |= REG_NEWLINE;
1718        if ((options & PCRE_DOTALL) != 0) cflags |= REG_DOTALL;
1719        if ((options & PCRE_NO_AUTO_CAPTURE) != 0) cflags |= REG_NOSUB;
1720        if ((options & PCRE_UTF8) != 0) cflags |= REG_UTF8;
1721        if ((options & PCRE_UCP) != 0) cflags |= REG_UCP;
1722        if ((options & PCRE_UNGREEDY) != 0) cflags |= REG_UNGREEDY;
1723    
1724      rc = regcomp(&preg, (char *)p, cflags);      rc = regcomp(&preg, (char *)p, cflags);
1725    
1726      /* Compilation failed; go back for another re, skipping to blank line      /* Compilation failed; go back for another re, skipping to blank line
# Line 478  while (!done) Line 1728  while (!done)
1728    
1729      if (rc != 0)      if (rc != 0)
1730        {        {
1731        (void)regerror(rc, &preg, (char *)buffer, sizeof(buffer));        (void)regerror(rc, &preg, (char *)buffer, buffer_size);
1732        fprintf(outfile, "Failed: POSIX code %d: %s\n", rc, buffer);        fprintf(outfile, "Failed: POSIX code %d: %s\n", rc, buffer);
1733        goto SKIP_DATA;        goto SKIP_DATA;
1734        }        }
# Line 487  while (!done) Line 1737  while (!done)
1737    /* Handle compiling via the native interface */    /* Handle compiling via the native interface */
1738    
1739    else    else
1740    #endif  /* !defined NOPOSIX */
1741    
1742      {      {
1743      if (timeit)      unsigned long int get_options;
1744    
1745        if (timeit > 0)
1746        {        {
1747        register int i;        register int i;
1748        clock_t time_taken;        clock_t time_taken;
1749        clock_t start_time = clock();        clock_t start_time = clock();
1750        for (i = 0; i < LOOPREPEAT; i++)        for (i = 0; i < timeit; i++)
1751          {          {
1752          re = pcre_compile((char *)p, options, &error, &erroroffset, tables);          re = pcre_compile((char *)p, options, &error, &erroroffset, tables);
1753          if (re != NULL) free(re);          if (re != NULL) free(re);
1754          }          }
1755        time_taken = clock() - start_time;        time_taken = clock() - start_time;
1756        fprintf(outfile, "Compile time %.2f milliseconds\n",        fprintf(outfile, "Compile time %.4f milliseconds\n",
1757          ((double)time_taken)/(4 * CLOCKS_PER_SEC));          (((double)time_taken * 1000.0) / (double)timeit) /
1758              (double)CLOCKS_PER_SEC);
1759        }        }
1760    
1761      re = pcre_compile((char *)p, options, &error, &erroroffset, tables);      re = pcre_compile((char *)p, options, &error, &erroroffset, tables);
# Line 516  while (!done) Line 1771  while (!done)
1771          {          {
1772          for (;;)          for (;;)
1773            {            {
1774            if (fgets((char *)buffer, sizeof(buffer), infile) == NULL)            if (extend_inputline(infile, buffer, NULL) == NULL)
1775              {              {
1776              done = 1;              done = 1;
1777              goto CONTINUE;              goto CONTINUE;
# Line 530  while (!done) Line 1785  while (!done)
1785        goto CONTINUE;        goto CONTINUE;
1786        }        }
1787    
1788      /* Compilation succeeded; print data if required */      /* Compilation succeeded. It is now possible to set the UTF-8 option from
1789        within the regex; check for this so that we know how to process the data
1790        lines. */
1791    
1792        new_info(re, NULL, PCRE_INFO_OPTIONS, &get_options);
1793        if ((get_options & PCRE_UTF8) != 0) use_utf8 = 1;
1794    
1795        /* Print information if required. There are now two info-returning
1796        functions. The old one has a limited interface and returns only limited
1797        data. Check that it agrees with the newer one. */
1798    
1799        if (log_store)
1800          fprintf(outfile, "Memory allocation (code space): %d\n",
1801            (int)(gotten_store -
1802                  sizeof(real_pcre) -
1803                  ((real_pcre *)re)->name_count * ((real_pcre *)re)->name_entry_size));
1804    
1805      if (do_showinfo)      /* Extract the size for possible writing before possibly flipping it,
1806        and remember the store that was got. */
1807    
1808        true_size = ((real_pcre *)re)->size;
1809        regex_gotten_store = gotten_store;
1810    
1811        /* If -s or /S was present, study the regexp to generate additional info to
1812        help with the matching. */
1813    
1814        if (do_study || force_study)
1815          {
1816          if (timeit > 0)
1817            {
1818            register int i;
1819            clock_t time_taken;
1820            clock_t start_time = clock();
1821            for (i = 0; i < timeit; i++)
1822              extra = pcre_study(re, study_options, &error);
1823            time_taken = clock() - start_time;
1824            if (extra != NULL) free(extra);
1825            fprintf(outfile, "  Study time %.4f milliseconds\n",
1826              (((double)time_taken * 1000.0) / (double)timeit) /
1827                (double)CLOCKS_PER_SEC);
1828            }
1829          extra = pcre_study(re, study_options, &error);
1830          if (error != NULL)
1831            fprintf(outfile, "Failed to study: %s\n", error);
1832          else if (extra != NULL)
1833            true_study_size = ((pcre_study_data *)(extra->study_data))->size;
1834          }
1835    
1836        /* If /K was present, we set up for handling MARK data. */
1837    
1838        if (do_mark)
1839          {
1840          if (extra == NULL)
1841            {
1842            extra = (pcre_extra *)malloc(sizeof(pcre_extra));
1843            extra->flags = 0;
1844            }
1845          extra->mark = &markptr;
1846          extra->flags |= PCRE_EXTRA_MARK;
1847          }
1848    
1849        /* If the 'F' option was present, we flip the bytes of all the integer
1850        fields in the regex data block and the study block. This is to make it
1851        possible to test PCRE's handling of byte-flipped patterns, e.g. those
1852        compiled on a different architecture. */
1853    
1854        if (do_flip)
1855        {        {
1856        int first_char, count;        real_pcre *rre = (real_pcre *)re;
1857          rre->magic_number =
1858            byteflip(rre->magic_number, sizeof(rre->magic_number));
1859          rre->size = byteflip(rre->size, sizeof(rre->size));
1860          rre->options = byteflip(rre->options, sizeof(rre->options));
1861          rre->flags = (pcre_uint16)byteflip(rre->flags, sizeof(rre->flags));
1862          rre->top_bracket =
1863            (pcre_uint16)byteflip(rre->top_bracket, sizeof(rre->top_bracket));
1864          rre->top_backref =
1865            (pcre_uint16)byteflip(rre->top_backref, sizeof(rre->top_backref));
1866          rre->first_byte =
1867            (pcre_uint16)byteflip(rre->first_byte, sizeof(rre->first_byte));
1868          rre->req_byte =
1869            (pcre_uint16)byteflip(rre->req_byte, sizeof(rre->req_byte));
1870          rre->name_table_offset = (pcre_uint16)byteflip(rre->name_table_offset,
1871            sizeof(rre->name_table_offset));
1872          rre->name_entry_size = (pcre_uint16)byteflip(rre->name_entry_size,
1873            sizeof(rre->name_entry_size));
1874          rre->name_count = (pcre_uint16)byteflip(rre->name_count,
1875            sizeof(rre->name_count));
1876    
1877          if (extra != NULL)
1878            {
1879            pcre_study_data *rsd = (pcre_study_data *)(extra->study_data);
1880            rsd->size = byteflip(rsd->size, sizeof(rsd->size));
1881            rsd->flags = byteflip(rsd->flags, sizeof(rsd->flags));
1882            rsd->minlength = byteflip(rsd->minlength, sizeof(rsd->minlength));
1883            }
1884          }
1885    
1886        if (do_debug) print_internals(re, outfile);      /* Extract information from the compiled data if required */
1887    
1888        count = pcre_info(re, &options, &first_char);      SHOW_INFO:
1889    
1890        if (do_debug)
1891          {
1892          fprintf(outfile, "------------------------------------------------------------------\n");
1893          pcre_printint(re, outfile, debug_lengths);
1894          }
1895    
1896        /* We already have the options in get_options (see above) */
1897    
1898        if (do_showinfo)
1899          {
1900          unsigned long int all_options;
1901    #if !defined NOINFOCHECK
1902          int old_first_char, old_options, old_count;
1903    #endif
1904          int count, backrefmax, first_char, need_char, okpartial, jchanged,
1905            hascrorlf;
1906          int nameentrysize, namecount;
1907          const uschar *nametable;
1908    
1909          new_info(re, NULL, PCRE_INFO_SIZE, &size);
1910          new_info(re, NULL, PCRE_INFO_CAPTURECOUNT, &count);
1911          new_info(re, NULL, PCRE_INFO_BACKREFMAX, &backrefmax);
1912          new_info(re, NULL, PCRE_INFO_FIRSTBYTE, &first_char);
1913          new_info(re, NULL, PCRE_INFO_LASTLITERAL, &need_char);
1914          new_info(re, NULL, PCRE_INFO_NAMEENTRYSIZE, &nameentrysize);
1915          new_info(re, NULL, PCRE_INFO_NAMECOUNT, &namecount);
1916          new_info(re, NULL, PCRE_INFO_NAMETABLE, (void *)&nametable);
1917          new_info(re, NULL, PCRE_INFO_OKPARTIAL, &okpartial);
1918          new_info(re, NULL, PCRE_INFO_JCHANGED, &jchanged);
1919          new_info(re, NULL, PCRE_INFO_HASCRORLF, &hascrorlf);
1920    
1921    #if !defined NOINFOCHECK
1922          old_count = pcre_info(re, &old_options, &old_first_char);
1923        if (count < 0) fprintf(outfile,        if (count < 0) fprintf(outfile,
1924          "Error %d while reading info\n", count);          "Error %d from pcre_info()\n", count);
1925        else        else
1926          {          {
1927          fprintf(outfile, "Identifying subpattern count = %d\n", count);          if (old_count != count) fprintf(outfile,
1928          if (options == 0) fprintf(outfile, "No options\n");            "Count disagreement: pcre_fullinfo=%d pcre_info=%d\n", count,
1929            else fprintf(outfile, "Options:%s%s%s%s%s%s%s%s\n",              old_count);
1930              ((options & PCRE_ANCHORED) != 0)? " anchored" : "",  
1931              ((options & PCRE_CASELESS) != 0)? " caseless" : "",          if (old_first_char != first_char) fprintf(outfile,
1932              ((options & PCRE_EXTENDED) != 0)? " extended" : "",            "First char disagreement: pcre_fullinfo=%d pcre_info=%d\n",
1933              ((options & PCRE_MULTILINE) != 0)? " multiline" : "",              first_char, old_first_char);
1934              ((options & PCRE_DOTALL) != 0)? " dotall" : "",  
1935              ((options & PCRE_DOLLAR_ENDONLY) != 0)? " dollar_endonly" : "",          if (old_options != (int)get_options) fprintf(outfile,
1936              ((options & PCRE_EXTRA) != 0)? " extra" : "",            "Options disagreement: pcre_fullinfo=%ld pcre_info=%d\n",
1937              ((options & PCRE_UNGREEDY) != 0)? " ungreedy" : "");              get_options, old_options);
1938          if (first_char == -1)          }
1939            {  #endif
1940            fprintf(outfile, "First char at start or follows \\n\n");  
1941            }        if (size != regex_gotten_store) fprintf(outfile,
1942          else if (first_char < 0)          "Size disagreement: pcre_fullinfo=%d call to malloc for %d\n",
1943            (int)size, (int)regex_gotten_store);
1944    
1945          fprintf(outfile, "Capturing subpattern count = %d\n", count);
1946          if (backrefmax > 0)
1947            fprintf(outfile, "Max back reference = %d\n", backrefmax);
1948    
1949          if (namecount > 0)
1950            {
1951            fprintf(outfile, "Named capturing subpatterns:\n");
1952            while (namecount-- > 0)
1953            {            {
1954            fprintf(outfile, "No first char\n");            fprintf(outfile, "  %s %*s%3d\n", nametable + 2,
1955                nameentrysize - 3 - (int)strlen((char *)nametable + 2), "",
1956                GET2(nametable, 0));
1957              nametable += nameentrysize;
1958            }            }
1959            }
1960    
1961          if (!okpartial) fprintf(outfile, "Partial matching not supported\n");
1962          if (hascrorlf) fprintf(outfile, "Contains explicit CR or LF match\n");
1963    
1964          all_options = ((real_pcre *)re)->options;
1965          if (do_flip) all_options = byteflip(all_options, sizeof(all_options));
1966    
1967          if (get_options == 0) fprintf(outfile, "No options\n");
1968            else fprintf(outfile, "Options:%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s\n",
1969              ((get_options & PCRE_ANCHORED) != 0)? " anchored" : "",
1970              ((get_options & PCRE_CASELESS) != 0)? " caseless" : "",
1971              ((get_options & PCRE_EXTENDED) != 0)? " extended" : "",
1972              ((get_options & PCRE_MULTILINE) != 0)? " multiline" : "",
1973              ((get_options & PCRE_FIRSTLINE) != 0)? " firstline" : "",
1974              ((get_options & PCRE_DOTALL) != 0)? " dotall" : "",
1975              ((get_options & PCRE_BSR_ANYCRLF) != 0)? " bsr_anycrlf" : "",
1976              ((get_options & PCRE_BSR_UNICODE) != 0)? " bsr_unicode" : "",
1977              ((get_options & PCRE_DOLLAR_ENDONLY) != 0)? " dollar_endonly" : "",
1978              ((get_options & PCRE_EXTRA) != 0)? " extra" : "",
1979              ((get_options & PCRE_UNGREEDY) != 0)? " ungreedy" : "",
1980              ((get_options & PCRE_NO_AUTO_CAPTURE) != 0)? " no_auto_capture" : "",
1981              ((get_options & PCRE_UTF8) != 0)? " utf8" : "",
1982              ((get_options & PCRE_UCP) != 0)? " ucp" : "",
1983              ((get_options & PCRE_NO_UTF8_CHECK) != 0)? " no_utf8_check" : "",
1984              ((get_options & PCRE_NO_START_OPTIMIZE) != 0)? " no_start_optimize" : "",
1985              ((get_options & PCRE_DUPNAMES) != 0)? " dupnames" : "");
1986    
1987          if (jchanged) fprintf(outfile, "Duplicate name status changes\n");
1988    
1989          switch (get_options & PCRE_NEWLINE_BITS)
1990            {
1991            case PCRE_NEWLINE_CR:
1992            fprintf(outfile, "Forced newline sequence: CR\n");
1993            break;
1994    
1995            case PCRE_NEWLINE_LF:
1996            fprintf(outfile, "Forced newline sequence: LF\n");
1997            break;
1998    
1999            case PCRE_NEWLINE_CRLF:
2000            fprintf(outfile, "Forced newline sequence: CRLF\n");
2001            break;
2002    
2003            case PCRE_NEWLINE_ANYCRLF:
2004            fprintf(outfile, "Forced newline sequence: ANYCRLF\n");
2005            break;
2006    
2007            case PCRE_NEWLINE_ANY:
2008            fprintf(outfile, "Forced newline sequence: ANY\n");
2009            break;
2010    
2011            default:
2012            break;
2013            }
2014    
2015          if (first_char == -1)
2016            {
2017            fprintf(outfile, "First char at start or follows newline\n");
2018            }
2019          else if (first_char < 0)
2020            {
2021            fprintf(outfile, "No first char\n");
2022            }
2023          else
2024            {
2025            int ch = first_char & 255;
2026            const char *caseless = ((first_char & REQ_CASELESS) == 0)?
2027              "" : " (caseless)";
2028            if (PRINTHEX(ch))
2029              fprintf(outfile, "First char = \'%c\'%s\n", ch, caseless);
2030            else
2031              fprintf(outfile, "First char = %d%s\n", ch, caseless);
2032            }
2033    
2034          if (need_char < 0)
2035            {
2036            fprintf(outfile, "No need char\n");
2037            }
2038          else
2039            {
2040            int ch = need_char & 255;
2041            const char *caseless = ((need_char & REQ_CASELESS) == 0)?
2042              "" : " (caseless)";
2043            if (PRINTHEX(ch))
2044              fprintf(outfile, "Need char = \'%c\'%s\n", ch, caseless);
2045            else
2046              fprintf(outfile, "Need char = %d%s\n", ch, caseless);
2047            }
2048    
2049          /* Don't output study size; at present it is in any case a fixed
2050          value, but it varies, depending on the computer architecture, and
2051          so messes up the test suite. (And with the /F option, it might be
2052          flipped.) */
2053    
2054          if (do_study || force_study)
2055            {
2056            if (extra == NULL)
2057              fprintf(outfile, "Study returned NULL\n");
2058          else          else
2059            {            {
2060            if (isprint(first_char))            uschar *start_bits = NULL;
2061              fprintf(outfile, "First char = \'%c\'\n", first_char);            int minlength;
2062    
2063              new_info(re, extra, PCRE_INFO_MINLENGTH, &minlength);
2064              fprintf(outfile, "Subject length lower bound = %d\n", minlength);
2065    
2066              new_info(re, extra, PCRE_INFO_FIRSTTABLE, &start_bits);
2067              if (start_bits == NULL)
2068                fprintf(outfile, "No set of starting bytes\n");
2069            else            else
2070              fprintf(outfile, "First char = %d\n", first_char);              {
2071                int i;
2072                int c = 24;
2073                fprintf(outfile, "Starting byte set: ");
2074                for (i = 0; i < 256; i++)
2075                  {
2076                  if ((start_bits[i/8] & (1<<(i&7))) != 0)
2077                    {
2078                    if (c > 75)
2079                      {
2080                      fprintf(outfile, "\n  ");
2081                      c = 2;
2082                      }
2083                    if (PRINTHEX(i) && i != ' ')
2084                      {
2085                      fprintf(outfile, "%c ", i);
2086                      c += 2;
2087                      }
2088                    else
2089                      {
2090                      fprintf(outfile, "\\x%02x ", i);
2091                      c += 5;
2092                      }
2093                    }
2094                  }
2095                fprintf(outfile, "\n");
2096                }
2097            }            }
2098          }          }
2099        }        }
2100    
2101      /* If /S was present, study the regexp to generate additional info to      /* If the '>' option was present, we write out the regex to a file, and
2102      help with the matching. */      that is all. The first 8 bytes of the file are the regex length and then
2103        the study length, in big-endian order. */
2104    
2105      if (do_study)      if (to_file != NULL)
2106        {        {
2107        if (timeit)        FILE *f = fopen((char *)to_file, "wb");
2108          if (f == NULL)
2109          {          {
2110          register int i;          fprintf(outfile, "Unable to open %s: %s\n", to_file, strerror(errno));
         clock_t time_taken;  
         clock_t start_time = clock();  
         for (i = 0; i < LOOPREPEAT; i++)  
           extra = pcre_study(re, study_options, &error);  
         time_taken = clock() - start_time;  
         if (extra != NULL) free(extra);  
         fprintf(outfile, "  Study time %.2f milliseconds\n",  
           ((double)time_taken)/(4 * CLOCKS_PER_SEC));  
2111          }          }
2112          else
       extra = pcre_study(re, study_options, &error);  
       if (error != NULL)  
         fprintf(outfile, "Failed to study: %s\n", error);  
       else if (extra == NULL)  
         fprintf(outfile, "Study returned NULL\n");  
   
       /* This looks at internal information. A bit kludgy to do it this  
       way, but it is useful for testing. */  
   
       else if (do_showinfo)  
2113          {          {
2114          real_pcre_extra *xx = (real_pcre_extra *)extra;          uschar sbuf[8];
2115          if ((xx->options & PCRE_STUDY_MAPPED) == 0)          sbuf[0] = (uschar)((true_size >> 24) & 255);
2116            fprintf(outfile, "No starting character set\n");          sbuf[1] = (uschar)((true_size >> 16) & 255);
2117            sbuf[2] = (uschar)((true_size >>  8) & 255);
2118            sbuf[3] = (uschar)((true_size) & 255);
2119    
2120            sbuf[4] = (uschar)((true_study_size >> 24) & 255);
2121            sbuf[5] = (uschar)((true_study_size >> 16) & 255);
2122            sbuf[6] = (uschar)((true_study_size >>  8) & 255);
2123            sbuf[7] = (uschar)((true_study_size) & 255);
2124    
2125            if (fwrite(sbuf, 1, 8, f) < 8 ||
2126                fwrite(re, 1, true_size, f) < true_size)
2127              {
2128              fprintf(outfile, "Write error on %s: %s\n", to_file, strerror(errno));
2129              }
2130          else          else
2131            {            {
2132            int i;            fprintf(outfile, "Compiled regex written to %s\n", to_file);
2133            int c = 24;            if (extra != NULL)
           fprintf(outfile, "Starting character set: ");  
           for (i = 0; i < 256; i++)  
2134              {              {
2135              if ((xx->start_bits[i/8] & (1<<(i%8))) != 0)              if (fwrite(extra->study_data, 1, true_study_size, f) <
2136                    true_study_size)
2137                {                {
2138                if (c > 75)                fprintf(outfile, "Write error on %s: %s\n", to_file,
2139                  {                  strerror(errno));
                 fprintf(outfile, "\n  ");  
                 c = 2;  
                 }  
               if (isprint(i) && i != ' ')  
                 {  
                 fprintf(outfile, "%c ", i);  
                 c += 2;  
                 }  
               else  
                 {  
                 fprintf(outfile, "\\x%02x ", i);  
                 c += 5;  
                 }  
2140                }                }
2141                else fprintf(outfile, "Study data written to %s\n", to_file);
2142    
2143              }              }
           fprintf(outfile, "\n");  
2144            }            }
2145            fclose(f);
2146            }
2147    
2148          new_free(re);
2149          if (extra != NULL) new_free(extra);
2150          if (locale_set)
2151            {
2152            new_free((void *)tables);
2153            setlocale(LC_CTYPE, "C");
2154            locale_set = 0;
2155          }          }
2156          continue;  /* With next regex */
2157        }        }
2158      }      }        /* End of non-POSIX compile */
2159    
2160    /* Read data lines and test them */    /* Read data lines and test them */
2161    
2162    for (;;)    for (;;)
2163      {      {
2164      unsigned char *q;      uschar *q;
2165        uschar *bptr;
2166        int *use_offsets = offsets;
2167        int use_size_offsets = size_offsets;
2168        int callout_data = 0;
2169        int callout_data_set = 0;
2170      int count, c;      int count, c;
2171      int offsets[45];      int copystrings = 0;
2172      int size_offsets = sizeof(offsets)/sizeof(int);      int find_match_limit = default_find_match_limit;
2173        int getstrings = 0;
2174        int getlist = 0;
2175        int gmatched = 0;
2176        int start_offset = 0;
2177        int start_offset_sign = 1;
2178        int g_notempty = 0;
2179        int use_dfa = 0;
2180    
2181      options = 0;      options = 0;
2182    
2183      if (infile == stdin) printf("  data> ");      *copynames = 0;
2184      if (fgets((char *)buffer, sizeof(buffer), infile) == NULL)      *getnames = 0;
2185    
2186        copynamesptr = copynames;
2187        getnamesptr = getnames;
2188    
2189        pcre_callout = callout;
2190        first_callout = 1;
2191        callout_extra = 0;
2192        callout_count = 0;
2193        callout_fail_count = 999999;
2194        callout_fail_id = -1;
2195        show_malloc = 0;
2196    
2197        if (extra != NULL) extra->flags &=
2198          ~(PCRE_EXTRA_MATCH_LIMIT|PCRE_EXTRA_MATCH_LIMIT_RECURSION);
2199    
2200        len = 0;
2201        for (;;)
2202        {        {
2203        done = 1;        if (extend_inputline(infile, buffer + len, "data> ") == NULL)
2204        goto CONTINUE;          {
2205            if (len > 0)    /* Reached EOF without hitting a newline */
2206              {
2207              fprintf(outfile, "\n");
2208              break;
2209              }
2210            done = 1;
2211            goto CONTINUE;
2212            }
2213          if (infile != stdin) fprintf(outfile, "%s", (char *)buffer);
2214          len = (int)strlen((char *)buffer);
2215          if (buffer[len-1] == '\n') break;
2216        }        }
     if (infile != stdin) fprintf(outfile, "%s", (char *)buffer);  
2217    
     len = (int)strlen((char *)buffer);  
2218      while (len > 0 && isspace(buffer[len-1])) len--;      while (len > 0 && isspace(buffer[len-1])) len--;
2219      buffer[len] = 0;      buffer[len] = 0;
2220      if (len == 0) break;      if (len == 0) break;
# Line 663  while (!done) Line 2222  while (!done)
2222      p = buffer;      p = buffer;
2223      while (isspace(*p)) p++;      while (isspace(*p)) p++;
2224    
2225      q = dbuffer;      bptr = q = dbuffer;
2226      while ((c = *p++) != 0)      while ((c = *p++) != 0)
2227        {        {
2228        int i = 0;        int i = 0;
2229        int n = 0;        int n = 0;
2230    
2231        if (c == '\\') switch ((c = *p++))        if (c == '\\') switch ((c = *p++))
2232          {          {
2233          case 'a': c =    7; break;          case 'a': c =    7; break;
# Line 684  while (!done) Line 2244  while (!done)
2244          c -= '0';          c -= '0';
2245          while (i++ < 2 && isdigit(*p) && *p != '8' && *p != '9')          while (i++ < 2 && isdigit(*p) && *p != '8' && *p != '9')
2246            c = c * 8 + *p++ - '0';            c = c * 8 + *p++ - '0';
2247    
2248    #if !defined NOUTF8
2249            if (use_utf8 && c > 255)
2250              {
2251              unsigned char buff8[8];
2252              int ii, utn;
2253              utn = ord2utf8(c, buff8);
2254              for (ii = 0; ii < utn - 1; ii++) *q++ = buff8[ii];
2255              c = buff8[ii];   /* Last byte */
2256              }
2257    #endif
2258          break;          break;
2259    
2260          case 'x':          case 'x':
2261    
2262            /* Handle \x{..} specially - new Perl thing for utf8 */
2263    
2264    #if !defined NOUTF8
2265            if (*p == '{')
2266              {
2267              unsigned char *pt = p;
2268              c = 0;
2269              while (isxdigit(*(++pt)))
2270                c = c * 16 + tolower(*pt) - ((isdigit(*pt))? '0' : 'W');
2271              if (*pt == '}')
2272                {
2273                unsigned char buff8[8];
2274                int ii, utn;
2275                if (use_utf8)
2276                  {
2277                  utn = ord2utf8(c, buff8);
2278                  for (ii = 0; ii < utn - 1; ii++) *q++ = buff8[ii];
2279                  c = buff8[ii];   /* Last byte */
2280                  }
2281                else
2282                 {
2283                 if (c > 255)
2284                   fprintf(outfile, "** Character \\x{%x} is greater than 255 and "
2285                     "UTF-8 mode is not enabled.\n"
2286                     "** Truncation will probably give the wrong result.\n", c);
2287                 }
2288                p = pt + 1;
2289                break;
2290                }
2291              /* Not correct form; fall through */
2292              }
2293    #endif
2294    
2295            /* Ordinary \x */
2296    
2297          c = 0;          c = 0;
2298          while (i++ < 2 && isxdigit(*p))          while (i++ < 2 && isxdigit(*p))
2299            {            {
# Line 695  while (!done) Line 2302  while (!done)
2302            }            }
2303          break;          break;
2304    
2305          case 0:   /* Allows for an empty line */          case 0:   /* \ followed by EOF allows for an empty line */
2306          p--;          p--;
2307          continue;          continue;
2308    
2309            case '>':
2310            if (*p == '-')
2311              {
2312              start_offset_sign = -1;
2313              p++;
2314              }
2315            while(isdigit(*p)) start_offset = start_offset * 10 + *p++ - '0';
2316            start_offset *= start_offset_sign;
2317            continue;
2318    
2319          case 'A':  /* Option setting */          case 'A':  /* Option setting */
2320          options |= PCRE_ANCHORED;          options |= PCRE_ANCHORED;
2321          continue;          continue;
# Line 707  while (!done) Line 2324  while (!done)
2324          options |= PCRE_NOTBOL;          options |= PCRE_NOTBOL;
2325          continue;          continue;
2326    
2327            case 'C':
2328            if (isdigit(*p))    /* Set copy string */
2329              {
2330              while(isdigit(*p)) n = n * 10 + *p++ - '0';
2331              copystrings |= 1 << n;
2332              }
2333            else if (isalnum(*p))
2334              {
2335              uschar *npp = copynamesptr;
2336              while (isalnum(*p)) *npp++ = *p++;
2337              *npp++ = 0;
2338              *npp = 0;
2339              n = pcre_get_stringnumber(re, (char *)copynamesptr);
2340              if (n < 0)
2341                fprintf(outfile, "no parentheses with name \"%s\"\n", copynamesptr);
2342              copynamesptr = npp;
2343              }
2344            else if (*p == '+')
2345              {
2346              callout_extra = 1;
2347              p++;
2348              }
2349            else if (*p == '-')
2350              {
2351              pcre_callout = NULL;
2352              p++;
2353              }
2354            else if (*p == '!')
2355              {
2356              callout_fail_id = 0;
2357              p++;
2358              while(isdigit(*p))
2359                callout_fail_id = callout_fail_id * 10 + *p++ - '0';
2360              callout_fail_count = 0;
2361              if (*p == '!')
2362                {
2363                p++;
2364                while(isdigit(*p))
2365                  callout_fail_count = callout_fail_count * 10 + *p++ - '0';
2366                }
2367              }
2368            else if (*p == '*')
2369              {
2370              int sign = 1;
2371              callout_data = 0;
2372              if (*(++p) == '-') { sign = -1; p++; }
2373              while(isdigit(*p))
2374                callout_data = callout_data * 10 + *p++ - '0';
2375              callout_data *= sign;
2376              callout_data_set = 1;
2377              }
2378            continue;
2379    
2380    #if !defined NODFA
2381            case 'D':
2382    #if !defined NOPOSIX
2383            if (posix || do_posix)
2384              printf("** Can't use dfa matching in POSIX mode: \\D ignored\n");
2385            else
2386    #endif
2387              use_dfa = 1;
2388            continue;
2389    #endif
2390    
2391    #if !defined NODFA
2392            case 'F':
2393            options |= PCRE_DFA_SHORTEST;
2394            continue;
2395    #endif
2396    
2397            case 'G':
2398            if (isdigit(*p))
2399              {
2400              while(isdigit(*p)) n = n * 10 + *p++ - '0';
2401              getstrings |= 1 << n;
2402              }
2403            else if (isalnum(*p))
2404              {
2405              uschar *npp = getnamesptr;
2406              while (isalnum(*p)) *npp++ = *p++;
2407              *npp++ = 0;
2408              *npp = 0;
2409              n = pcre_get_stringnumber(re, (char *)getnamesptr);
2410              if (n < 0)
2411                fprintf(outfile, "no parentheses with name \"%s\"\n", getnamesptr);
2412              getnamesptr = npp;
2413              }
2414            continue;
2415    
2416            case 'L':
2417            getlist = 1;
2418            continue;
2419    
2420            case 'M':
2421            find_match_limit = 1;
2422            continue;
2423    
2424            case 'N':
2425            if ((options & PCRE_NOTEMPTY) != 0)
2426              options = (options & ~PCRE_NOTEMPTY) | PCRE_NOTEMPTY_ATSTART;
2427            else
2428              options |= PCRE_NOTEMPTY;
2429            continue;
2430    
2431          case 'O':          case 'O':
2432          while(isdigit(*p)) n = n * 10 + *p++ - '0';          while(isdigit(*p)) n = n * 10 + *p++ - '0';
2433          if (n <= (int)(sizeof(offsets)/sizeof(int))) size_offsets = n;          if (n > size_offsets_max)
2434              {
2435              size_offsets_max = n;
2436              free(offsets);
2437              use_offsets = offsets = (int *)malloc(size_offsets_max * sizeof(int));
2438              if (offsets == NULL)
2439                {
2440                printf("** Failed to get %d bytes of memory for offsets vector\n",
2441                  (int)(size_offsets_max * sizeof(int)));
2442                yield = 1;
2443                goto EXIT;
2444                }
2445              }
2446            use_size_offsets = n;
2447            if (n == 0) use_offsets = NULL;   /* Ensures it can't write to it */
2448            continue;
2449    
2450            case 'P':
2451            options |= ((options & PCRE_PARTIAL_SOFT) == 0)?
2452              PCRE_PARTIAL_SOFT : PCRE_PARTIAL_HARD;
2453            continue;
2454    
2455            case 'Q':
2456            while(isdigit(*p)) n = n * 10 + *p++ - '0';
2457            if (extra == NULL)
2458              {
2459              extra = (pcre_extra *)malloc(sizeof(pcre_extra));
2460              extra->flags = 0;
2461              }
2462            extra->flags |= PCRE_EXTRA_MATCH_LIMIT_RECURSION;
2463            extra->match_limit_recursion = n;
2464            continue;
2465    
2466            case 'q':
2467            while(isdigit(*p)) n = n * 10 + *p++ - '0';
2468            if (extra == NULL)
2469              {
2470              extra = (pcre_extra *)malloc(sizeof(pcre_extra));
2471              extra->flags = 0;
2472              }
2473            extra->flags |= PCRE_EXTRA_MATCH_LIMIT;
2474            extra->match_limit = n;
2475            continue;
2476    
2477    #if !defined NODFA
2478            case 'R':
2479            options |= PCRE_DFA_RESTART;
2480            continue;
2481    #endif
2482    
2483            case 'S':
2484            show_malloc = 1;
2485            continue;
2486    
2487            case 'Y':
2488            options |= PCRE_NO_START_OPTIMIZE;
2489          continue;          continue;
2490    
2491          case 'Z':          case 'Z':
2492          options |= PCRE_NOTEOL;          options |= PCRE_NOTEOL;
2493          continue;          continue;
2494    
2495            case '?':
2496            options |= PCRE_NO_UTF8_CHECK;
2497            continue;
2498    
2499            case '<':
2500              {
2501              int x = check_newline(p, outfile);
2502              if (x == 0) goto NEXT_DATA;
2503              options |= x;
2504              while (*p++ != '>');
2505              }
2506            continue;
2507          }          }
2508        *q++ = c;        *q++ = c;
2509        }        }
2510      *q = 0;      *q = 0;
2511      len = q - dbuffer;      len = (int)(q - dbuffer);
2512    
2513        /* Move the data to the end of the buffer so that a read over the end of
2514        the buffer will be seen by valgrind, even if it doesn't cause a crash. If
2515        we are using the POSIX interface, we must include the terminating zero. */
2516    
2517    #if !defined NOPOSIX
2518        if (posix || do_posix)
2519          {
2520          memmove(bptr + buffer_size - len - 1, bptr, len + 1);
2521          bptr += buffer_size - len - 1;
2522          }
2523        else
2524    #endif
2525          {
2526          memmove(bptr + buffer_size - len, bptr, len);
2527          bptr += buffer_size - len;
2528          }
2529    
2530        if ((all_use_dfa || use_dfa) && find_match_limit)
2531          {
2532          printf("**Match limit not relevant for DFA matching: ignored\n");
2533          find_match_limit = 0;
2534          }
2535    
2536      /* Handle matching via the POSIX interface, which does not      /* Handle matching via the POSIX interface, which does not
2537      support timing. */      support timing or playing with the match limit or callout data. */
2538    
2539    #if !defined NOPOSIX
2540      if (posix || do_posix)      if (posix || do_posix)
2541        {        {
2542        int rc;        int rc;
2543        int eflags = 0;        int eflags = 0;
2544        regmatch_t pmatch[30];        regmatch_t *pmatch = NULL;
2545          if (use_size_offsets > 0)
2546            pmatch = (regmatch_t *)malloc(sizeof(regmatch_t) * use_size_offsets);
2547        if ((options & PCRE_NOTBOL) != 0) eflags |= REG_NOTBOL;        if ((options & PCRE_NOTBOL) != 0) eflags |= REG_NOTBOL;
2548        if ((options & PCRE_NOTEOL) != 0) eflags |= REG_NOTEOL;        if ((options & PCRE_NOTEOL) != 0) eflags |= REG_NOTEOL;
2549          if ((options & PCRE_NOTEMPTY) != 0) eflags |= REG_NOTEMPTY;
2550    
2551        rc = regexec(&preg, (char *)dbuffer, sizeof(pmatch)/sizeof(regmatch_t),        rc = regexec(&preg, (const char *)bptr, use_size_offsets, pmatch, eflags);
         pmatch, eflags);  
2552    
2553        if (rc != 0)        if (rc != 0)
2554          {          {
2555          (void)regerror(rc, &preg, (char *)buffer, sizeof(buffer));          (void)regerror(rc, &preg, (char *)buffer, buffer_size);
2556          fprintf(outfile, "No match: POSIX code %d: %s\n", rc, buffer);          fprintf(outfile, "No match: POSIX code %d: %s\n", rc, buffer);
2557          }          }
2558          else if ((((const pcre *)preg.re_pcre)->options & PCRE_NO_AUTO_CAPTURE)
2559                  != 0)
2560            {
2561            fprintf(outfile, "Matched with REG_NOSUB\n");
2562            }
2563        else        else
2564          {          {
2565          size_t i;          size_t i;
2566          for (i = 0; i < sizeof(pmatch)/sizeof(regmatch_t); i++)          for (i = 0; i < (size_t)use_size_offsets; i++)
2567            {            {
2568            if (pmatch[i].rm_so >= 0)            if (pmatch[i].rm_so >= 0)
2569              {              {
2570              fprintf(outfile, "%2d: ", (int)i);              fprintf(outfile, "%2d: ", (int)i);
2571              pchars(dbuffer + pmatch[i].rm_so,              (void)pchars(dbuffer + pmatch[i].rm_so,
2572                pmatch[i].rm_eo - pmatch[i].rm_so);                pmatch[i].rm_eo - pmatch[i].rm_so, outfile);
2573              fprintf(outfile, "\n");              fprintf(outfile, "\n");
2574                if (i == 0 && do_showrest)
2575                  {
2576                  fprintf(outfile, " 0+ ");
2577                  (void)pchars(dbuffer + pmatch[i].rm_eo, len - pmatch[i].rm_eo,
2578                    outfile);
2579                  fprintf(outfile, "\n");
2580                  }
2581              }              }
2582            }            }
2583          }          }
2584          free(pmatch);
2585        }        }
2586    
2587      /* Handle matching via the native interface */      /* Handle matching via the native interface - repeats for /g and /G */
2588    
2589      else      else
2590    #endif  /* !defined NOPOSIX */
2591    
2592        for (;; gmatched++)    /* Loop for /g or /G */
2593        {        {
2594        if (timeit)        markptr = NULL;
2595    
2596          if (timeitm > 0)
2597          {          {
2598          register int i;          register int i;
2599          clock_t time_taken;          clock_t time_taken;
2600          clock_t start_time = clock();          clock_t start_time = clock();
2601          for (i = 0; i < 4000; i++)  
2602            count = pcre_exec(re, extra, (char *)dbuffer, len, options, offsets,  #if !defined NODFA
2603              size_offsets);          if (all_use_dfa || use_dfa)
2604              {
2605              int workspace[1000];
2606              for (i = 0; i < timeitm; i++)
2607                count = pcre_dfa_exec(re, extra, (char *)bptr, len, start_offset,
2608                  options | g_notempty, use_offsets, use_size_offsets, workspace,
2609                  sizeof(workspace)/sizeof(int));
2610              }
2611            else
2612    #endif
2613    
2614            for (i = 0; i < timeitm; i++)
2615              count = pcre_exec(re, extra, (char *)bptr, len,
2616                start_offset, options | g_notempty, use_offsets, use_size_offsets);
2617    
2618          time_taken = clock() - start_time;          time_taken = clock() - start_time;
2619          fprintf(outfile, "Execute time %.2f milliseconds\n",          fprintf(outfile, "Execute time %.4f milliseconds\n",
2620            ((double)time_taken)/(4 * CLOCKS_PER_SEC));            (((double)time_taken * 1000.0) / (double)timeitm) /
2621                (double)CLOCKS_PER_SEC);
2622            }
2623    
2624          /* If find_match_limit is set, we want to do repeated matches with
2625          varying limits in order to find the minimum value for the match limit and
2626          for the recursion limit. */
2627    
2628          if (find_match_limit)
2629            {
2630            if (extra == NULL)
2631              {
2632              extra = (pcre_extra *)malloc(sizeof(pcre_extra));
2633              extra->flags = 0;
2634              }
2635    
2636            (void)check_match_limit(re, extra, bptr, len, start_offset,
2637              options|g_notempty, use_offsets, use_size_offsets,
2638              PCRE_EXTRA_MATCH_LIMIT, &(extra->match_limit),
2639              PCRE_ERROR_MATCHLIMIT, "match()");
2640    
2641            count = check_match_limit(re, extra, bptr, len, start_offset,
2642              options|g_notempty, use_offsets, use_size_offsets,
2643              PCRE_EXTRA_MATCH_LIMIT_RECURSION, &(extra->match_limit_recursion),
2644              PCRE_ERROR_RECURSIONLIMIT, "match() recursion");
2645            }
2646    
2647          /* If callout_data is set, use the interface with additional data */
2648    
2649          else if (callout_data_set)
2650            {
2651            if (extra == NULL)
2652              {
2653              extra = (pcre_extra *)malloc(sizeof(pcre_extra));
2654              extra->flags = 0;
2655              }
2656            extra->flags |= PCRE_EXTRA_CALLOUT_DATA;
2657            extra->callout_data = &callout_data;
2658            count = pcre_exec(re, extra, (char *)bptr, len, start_offset,
2659              options | g_notempty, use_offsets, use_size_offsets);
2660            extra->flags &= ~PCRE_EXTRA_CALLOUT_DATA;
2661          }          }
2662    
2663        count = pcre_exec(re, extra, (char *)dbuffer, len, options, offsets,        /* The normal case is just to do the match once, with the default
2664          size_offsets);        value of match_limit. */
2665    
2666    #if !defined NODFA
2667          else if (all_use_dfa || use_dfa)
2668            {
2669            int workspace[1000];
2670            count = pcre_dfa_exec(re, extra, (char *)bptr, len, start_offset,
2671              options | g_notempty, use_offsets, use_size_offsets, workspace,
2672              sizeof(workspace)/sizeof(int));
2673            if (count == 0)
2674              {
2675              fprintf(outfile, "Matched, but too many subsidiary matches\n");
2676              count = use_size_offsets/2;
2677              }
2678            }
2679    #endif
2680    
2681        if (count == 0)        else
2682          {          {
2683          fprintf(outfile, "Matched, but too many substrings\n");          count = pcre_exec(re, extra, (char *)bptr, len,
2684          count = size_offsets/3;            start_offset, options | g_notempty, use_offsets, use_size_offsets);
2685            if (count == 0)
2686              {
2687              fprintf(outfile, "Matched, but too many substrings\n");
2688              count = use_size_offsets/3;
2689              }
2690          }          }
2691    
2692          /* Matched */
2693    
2694        if (count >= 0)        if (count >= 0)
2695          {          {
2696          int i;          int i, maxcount;
2697          count *= 2;  
2698          for (i = 0; i < count; i += 2)  #if !defined NODFA
2699            if (all_use_dfa || use_dfa) maxcount = use_size_offsets/2; else
2700    #endif
2701              maxcount = use_size_offsets/3;
2702    
2703            /* This is a check against a lunatic return value. */
2704    
2705            if (count > maxcount)
2706            {            {
2707            if (offsets[i] < 0)            fprintf(outfile,
2708                "** PCRE error: returned count %d is too big for offset size %d\n",
2709                count, use_size_offsets);
2710              count = use_size_offsets/3;
2711              if (do_g || do_G)
2712                {
2713                fprintf(outfile, "** /%c loop abandoned\n", do_g? 'g' : 'G');
2714                do_g = do_G = FALSE;        /* Break g/G loop */
2715                }
2716              }
2717    
2718            for (i = 0; i < count * 2; i += 2)
2719              {
2720              if (use_offsets[i] < 0)
2721              fprintf(outfile, "%2d: <unset>\n", i/2);              fprintf(outfile, "%2d: <unset>\n", i/2);
2722            else            else
2723              {              {
2724              fprintf(outfile, "%2d: ", i/2);              fprintf(outfile, "%2d: ", i/2);
2725              pchars(dbuffer + offsets[i], offsets[i+1] - offsets[i]);              (void)pchars(bptr + use_offsets[i],
2726                  use_offsets[i+1] - use_offsets[i], outfile);
2727              fprintf(outfile, "\n");              fprintf(outfile, "\n");
2728                if (i == 0)
2729                  {
2730                  if (do_showrest)
2731                    {
2732                    fprintf(outfile, " 0+ ");
2733                    (void)pchars(bptr + use_offsets[i+1], len - use_offsets[i+1],
2734                      outfile);
2735                    fprintf(outfile, "\n");
2736                    }
2737                  }
2738                }
2739              }
2740    
2741            if (markptr != NULL) fprintf(outfile, "MK: %s\n", markptr);
2742    
2743            for (i = 0; i < 32; i++)
2744              {
2745              if ((copystrings & (1 << i)) != 0)
2746                {
2747                char copybuffer[256];
2748                int rc = pcre_copy_substring((char *)bptr, use_offsets, count,
2749                  i, copybuffer, sizeof(copybuffer));
2750                if (rc < 0)
2751                  fprintf(outfile, "copy substring %d failed %d\n", i, rc);
2752                else
2753                  fprintf(outfile, "%2dC %s (%d)\n", i, copybuffer, rc);
2754                }
2755              }
2756    
2757            for (copynamesptr = copynames;
2758                 *copynamesptr != 0;
2759                 copynamesptr += (int)strlen((char*)copynamesptr) + 1)
2760              {
2761              char copybuffer[256];
2762              int rc = pcre_copy_named_substring(re, (char *)bptr, use_offsets,
2763                count, (char *)copynamesptr, copybuffer, sizeof(copybuffer));
2764              if (rc < 0)
2765                fprintf(outfile, "copy substring %s failed %d\n", copynamesptr, rc);
2766              else
2767                fprintf(outfile, "  C %s (%d) %s\n", copybuffer, rc, copynamesptr);
2768              }
2769    
2770            for (i = 0; i < 32; i++)
2771              {
2772              if ((getstrings & (1 << i)) != 0)
2773                {
2774                const char *substring;
2775                int rc = pcre_get_substring((char *)bptr, use_offsets, count,
2776                  i, &substring);
2777                if (rc < 0)
2778                  fprintf(outfile, "get substring %d failed %d\n", i, rc);
2779                else
2780                  {
2781                  fprintf(outfile, "%2dG %s (%d)\n", i, substring, rc);
2782                  pcre_free_substring(substring);
2783                  }
2784                }
2785              }
2786    
2787            for (getnamesptr = getnames;
2788                 *getnamesptr != 0;
2789                 getnamesptr += (int)strlen((char*)getnamesptr) + 1)
2790              {
2791              const char *substring;
2792              int rc = pcre_get_named_substring(re, (char *)bptr, use_offsets,
2793                count, (char *)getnamesptr, &substring);
2794              if (rc < 0)
2795                fprintf(outfile, "copy substring %s failed %d\n", getnamesptr, rc);
2796              else
2797                {
2798                fprintf(outfile, "  G %s (%d) %s\n", substring, rc, getnamesptr);
2799                pcre_free_substring(substring);
2800                }
2801              }
2802    
2803            if (getlist)
2804              {
2805              const char **stringlist;
2806              int rc = pcre_get_substring_list((char *)bptr, use_offsets, count,
2807                &stringlist);
2808              if (rc < 0)
2809                fprintf(outfile, "get substring list failed %d\n", rc);
2810              else
2811                {
2812                for (i = 0; i < count; i++)
2813                  fprintf(outfile, "%2dL %s\n", i, stringlist[i]);
2814                if (stringlist[i] != NULL)
2815                  fprintf(outfile, "string list not terminated by NULL\n");
2816                /* free((void *)stringlist); */
2817                pcre_free_substring_list(stringlist);
2818                }
2819              }
2820            }
2821    
2822          /* There was a partial match */
2823    
2824          else if (count == PCRE_ERROR_PARTIAL)
2825            {
2826            if (markptr == NULL) fprintf(outfile, "Partial match");
2827              else fprintf(outfile, "Partial match, mark=%s", markptr);
2828            if (use_size_offsets > 1)
2829              {
2830              fprintf(outfile, ": ");
2831              pchars(bptr + use_offsets[0], use_offsets[1] - use_offsets[0],
2832                outfile);
2833              }
2834            fprintf(outfile, "\n");
2835            break;  /* Out of the /g loop */
2836            }
2837    
2838          /* Failed to match. If this is a /g or /G loop and we previously set
2839          g_notempty after a null match, this is not necessarily the end. We want
2840          to advance the start offset, and continue. We won't be at the end of the
2841          string - that was checked before setting g_notempty.
2842    
2843          Complication arises in the case when the newline convention is "any",
2844          "crlf", or "anycrlf". If the previous match was at the end of a line
2845          terminated by CRLF, an advance of one character just passes the \r,
2846          whereas we should prefer the longer newline sequence, as does the code in
2847          pcre_exec(). Fudge the offset value to achieve this. We check for a
2848          newline setting in the pattern; if none was set, use pcre_config() to
2849          find the default.
2850    
2851          Otherwise, in the case of UTF-8 matching, the advance must be one
2852          character, not one byte. */
2853    
2854          else
2855            {
2856            if (g_notempty != 0)
2857              {
2858              int onechar = 1;
2859              unsigned int obits = ((real_pcre *)re)->options;
2860              use_offsets[0] = start_offset;
2861              if ((obits & PCRE_NEWLINE_BITS) == 0)
2862                {
2863                int d;
2864                (void)pcre_config(PCRE_CONFIG_NEWLINE, &d);
2865                /* Note that these values are always the ASCII ones, even in
2866                EBCDIC environments. CR = 13, NL = 10. */
2867                obits = (d == 13)? PCRE_NEWLINE_CR :
2868                        (d == 10)? PCRE_NEWLINE_LF :
2869                        (d == (13<<8 | 10))? PCRE_NEWLINE_CRLF :
2870                        (d == -2)? PCRE_NEWLINE_ANYCRLF :
2871                        (d == -1)? PCRE_NEWLINE_ANY : 0;
2872                }
2873              if (((obits & PCRE_NEWLINE_BITS) == PCRE_NEWLINE_ANY ||
2874                   (obits & PCRE_NEWLINE_BITS) == PCRE_NEWLINE_CRLF ||
2875                   (obits & PCRE_NEWLINE_BITS) == PCRE_NEWLINE_ANYCRLF)
2876                  &&
2877                  start_offset < len - 1 &&
2878                  bptr[start_offset] == '\r' &&
2879                  bptr[start_offset+1] == '\n')
2880                onechar++;
2881              else if (use_utf8)
2882                {
2883                while (start_offset + onechar < len)
2884                  {
2885                  if ((bptr[start_offset+onechar] & 0xc0) != 0x80) break;
2886                  onechar++;
2887                  }
2888                }
2889              use_offsets[1] = start_offset + onechar;
2890              }
2891            else
2892              {
2893              switch(count)
2894                {
2895                case PCRE_ERROR_NOMATCH:
2896                if (gmatched == 0)
2897                  {
2898                  if (markptr == NULL) fprintf(outfile, "No match\n");
2899                    else fprintf(outfile, "No match, mark = %s\n", markptr);
2900                  }
2901                break;
2902    
2903                case PCRE_ERROR_BADUTF8:
2904                case PCRE_ERROR_SHORTUTF8:
2905                fprintf(outfile, "Error %d (%s UTF-8 string)", count,
2906                  (count == PCRE_ERROR_BADUTF8)? "bad" : "short");
2907                if (use_size_offsets >= 2)
2908                  fprintf(outfile, " offset=%d reason=%d", use_offsets[0],
2909                    use_offsets[1]);
2910                fprintf(outfile, "\n");
2911                break;
2912    
2913                default:
2914                if (count < 0 && (-count) < sizeof(errtexts)/sizeof(const char *))
2915                  fprintf(outfile, "Error %d (%s)\n", count, errtexts[-count]);
2916                else
2917                  fprintf(outfile, "Error %d (Unexpected value)\n", count);
2918                break;
2919              }              }
2920    
2921              break;  /* Out of the /g loop */
2922            }            }
2923          }          }
2924    
2925          /* If not /g or /G we are done */
2926    
2927          if (!do_g && !do_G) break;
2928    
2929          /* If we have matched an empty string, first check to see if we are at
2930          the end of the subject. If so, the /g loop is over. Otherwise, mimic what
2931          Perl's /g options does. This turns out to be rather cunning. First we set
2932          PCRE_NOTEMPTY_ATSTART and PCRE_ANCHORED and try the match again at the
2933          same point. If this fails (picked up above) we advance to the next
2934          character. */
2935    
2936          g_notempty = 0;
2937    
2938          if (use_offsets[0] == use_offsets[1])
2939            {
2940            if (use_offsets[0] == len) break;
2941            g_notempty = PCRE_NOTEMPTY_ATSTART | PCRE_ANCHORED;
2942            }
2943    
2944          /* For /g, update the start offset, leaving the rest alone */
2945    
2946          if (do_g) start_offset = use_offsets[1];
2947    
2948          /* For /G, update the pointer and length */
2949    
2950        else        else
2951          {          {
2952          if (count == -1) fprintf(outfile, "No match\n");          bptr += use_offsets[1];
2953            else fprintf(outfile, "Error %d\n", count);          len -= use_offsets[1];
2954          }          }
2955        }        }  /* End of loop for /g and /G */
2956      }  
2957        NEXT_DATA: continue;
2958        }    /* End of loop for data lines */
2959    
2960    CONTINUE:    CONTINUE:
2961    
2962    #if !defined NOPOSIX
2963    if (posix || do_posix) regfree(&preg);    if (posix || do_posix) regfree(&preg);
2964    if (re != NULL) free(re);  #endif
2965    if (extra != NULL) free(extra);  
2966    if (tables != NULL)    if (re != NULL) new_free(re);
2967      if (extra != NULL) new_free(extra);
2968      if (locale_set)
2969      {      {
2970      free((void *)tables);      new_free((void *)tables);
2971      setlocale(LC_CTYPE, "C");      setlocale(LC_CTYPE, "C");
2972        locale_set = 0;
2973      }      }
2974    }    }
2975    
2976  fprintf(outfile, "\n");  if (infile == stdin) fprintf(outfile, "\n");
2977  return 0;  
2978    EXIT:
2979    
2980    if (infile != NULL && infile != stdin) fclose(infile);
2981    if (outfile != NULL && outfile != stdout) fclose(outfile);
2982    
2983    free(buffer);
2984    free(dbuffer);
2985    free(pbuffer);
2986    free(offsets);
2987    
2988    return yield;
2989  }  }
2990    
2991  /* End */  /* End of pcretest.c */

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