/[pcre]/code/trunk/pcretest.c
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revision 25 by nigel, Sat Feb 24 21:38:45 2007 UTC revision 616 by ph10, Mon Jul 11 15:55:25 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 no_force_study = 0;
1440    int do_debug = debug;    int do_debug = debug;
1441      int do_G = 0;
1442      int do_g = 0;
1443    int do_showinfo = showinfo;    int do_showinfo = showinfo;
1444    int do_posix = 0;    int do_showrest = 0;
1445    int erroroffset, len, delimiter;    int do_showcaprest = 0;
1446      int do_flip = 0;
1447      int erroroffset, len, delimiter, poffset;
1448    
1449    if (infile == stdin) printf("  re> ");    use_utf8 = 0;
1450    if (fgets((char *)buffer, sizeof(buffer), infile) == NULL) break;    debug_lengths = 1;
1451    
1452      if (extend_inputline(infile, buffer, "  re> ") == NULL) break;
1453    if (infile != stdin) fprintf(outfile, "%s", (char *)buffer);    if (infile != stdin) fprintf(outfile, "%s", (char *)buffer);
1454      fflush(outfile);
1455    
1456    p = buffer;    p = buffer;
1457    while (isspace(*p)) p++;    while (isspace(*p)) p++;
1458    if (*p == 0) continue;    if (*p == 0) continue;
1459    
1460    /* 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. */
1461    complete, read more. */  
1462      if (*p == '<' && strchr((char *)(p+1), '<') == NULL)
1463        {
1464        unsigned long int magic, get_options;
1465        uschar sbuf[8];
1466        FILE *f;
1467    
1468        p++;
1469        pp = p + (int)strlen((char *)p);
1470        while (isspace(pp[-1])) pp--;
1471        *pp = 0;
1472    
1473        f = fopen((char *)p, "rb");
1474        if (f == NULL)
1475          {
1476          fprintf(outfile, "Failed to open %s: %s\n", p, strerror(errno));
1477          continue;
1478          }
1479    
1480        if (fread(sbuf, 1, 8, f) != 8) goto FAIL_READ;
1481    
1482        true_size =
1483          (sbuf[0] << 24) | (sbuf[1] << 16) | (sbuf[2] << 8) | sbuf[3];
1484        true_study_size =
1485          (sbuf[4] << 24) | (sbuf[5] << 16) | (sbuf[6] << 8) | sbuf[7];
1486    
1487        re = (real_pcre *)new_malloc(true_size);
1488        regex_gotten_store = gotten_store;
1489    
1490        if (fread(re, 1, true_size, f) != true_size) goto FAIL_READ;
1491    
1492        magic = ((real_pcre *)re)->magic_number;
1493        if (magic != MAGIC_NUMBER)
1494          {
1495          if (byteflip(magic, sizeof(magic)) == MAGIC_NUMBER)
1496            {
1497            do_flip = 1;
1498            }
1499          else
1500            {
1501            fprintf(outfile, "Data in %s is not a compiled PCRE regex\n", p);
1502            fclose(f);
1503            continue;
1504            }
1505          }
1506    
1507        fprintf(outfile, "Compiled pattern%s loaded from %s\n",
1508          do_flip? " (byte-inverted)" : "", p);
1509    
1510        /* Need to know if UTF-8 for printing data strings */
1511    
1512        new_info(re, NULL, PCRE_INFO_OPTIONS, &get_options);
1513        use_utf8 = (get_options & PCRE_UTF8) != 0;
1514    
1515        /* Now see if there is any following study data. */
1516    
1517        if (true_study_size != 0)
1518          {
1519          pcre_study_data *psd;
1520    
1521          extra = (pcre_extra *)new_malloc(sizeof(pcre_extra) + true_study_size);
1522          extra->flags = PCRE_EXTRA_STUDY_DATA;
1523    
1524          psd = (pcre_study_data *)(((char *)extra) + sizeof(pcre_extra));
1525          extra->study_data = psd;
1526    
1527          if (fread(psd, 1, true_study_size, f) != true_study_size)
1528            {
1529            FAIL_READ:
1530            fprintf(outfile, "Failed to read data from %s\n", p);
1531            if (extra != NULL) new_free(extra);
1532            if (re != NULL) new_free(re);
1533            fclose(f);
1534            continue;
1535            }
1536          fprintf(outfile, "Study data loaded from %s\n", p);
1537          do_study = 1;     /* To get the data output if requested */
1538          }
1539        else fprintf(outfile, "No study data\n");
1540    
1541        fclose(f);
1542        goto SHOW_INFO;
1543        }
1544    
1545      /* In-line pattern (the usual case). Get the delimiter and seek the end of
1546      the pattern; if is isn't complete, read more. */
1547    
1548    delimiter = *p++;    delimiter = *p++;
1549    
1550    if (isalnum(delimiter))    if (isalnum(delimiter) || delimiter == '\\')
1551      {      {
1552      fprintf(outfile, "** Delimiter must not be alphameric\n");      fprintf(outfile, "** Delimiter must not be alphanumeric or \\\n");
1553      goto SKIP_DATA;      goto SKIP_DATA;
1554      }      }
1555    
1556    pp = p;    pp = p;
1557      poffset = (int)(p - buffer);
1558    
1559    for(;;)    for(;;)
1560      {      {
1561      while (*pp != 0 && *pp != delimiter) pp++;      while (*pp != 0)
     if (*pp != 0) break;  
   
     len = sizeof(buffer) - (pp - buffer);  
     if (len < 256)  
1562        {        {
1563        fprintf(outfile, "** Expression too long - missing delimiter?\n");        if (*pp == '\\' && pp[1] != 0) pp++;
1564        goto SKIP_DATA;          else if (*pp == delimiter) break;
1565          pp++;
1566        }        }
1567        if (*pp != 0) break;
1568      if (infile == stdin) printf("    > ");      if ((pp = extend_inputline(infile, pp, "    > ")) == NULL)
     if (fgets((char *)pp, len, infile) == NULL)  
1569        {        {
1570        fprintf(outfile, "** Unexpected EOF\n");        fprintf(outfile, "** Unexpected EOF\n");
1571        done = 1;        done = 1;
# Line 415  while (!done) Line 1574  while (!done)
1574      if (infile != stdin) fprintf(outfile, "%s", (char *)pp);      if (infile != stdin) fprintf(outfile, "%s", (char *)pp);
1575      }      }
1576    
1577    /* Terminate the pattern at the delimiter */    /* The buffer may have moved while being extended; reset the start of data
1578      pointer to the correct relative point in the buffer. */
1579    
1580      p = buffer + poffset;
1581    
1582      /* If the first character after the delimiter is backslash, make
1583      the pattern end with backslash. This is purely to provide a way
1584      of testing for the error message when a pattern ends with backslash. */
1585    
1586      if (pp[1] == '\\') *pp++ = '\\';
1587    
1588      /* Terminate the pattern at the delimiter, and save a copy of the pattern
1589      for callouts. */
1590    
1591    *pp++ = 0;    *pp++ = 0;
1592      strcpy((char *)pbuffer, (char *)p);
1593    
1594    /* Look for options after final delimiter */    /* Look for options after final delimiter */
1595    
1596    options = 0;    options = 0;
1597    study_options = 0;    study_options = 0;
1598      log_store = showstore;  /* default from command line */
1599    
1600    while (*pp != 0)    while (*pp != 0)
1601      {      {
1602      switch (*pp++)      switch (*pp++)
1603        {        {
1604          case 'f': options |= PCRE_FIRSTLINE; break;
1605          case 'g': do_g = 1; break;
1606        case 'i': options |= PCRE_CASELESS; break;        case 'i': options |= PCRE_CASELESS; break;
1607        case 'm': options |= PCRE_MULTILINE; break;        case 'm': options |= PCRE_MULTILINE; break;
1608        case 's': options |= PCRE_DOTALL; break;        case 's': options |= PCRE_DOTALL; break;
1609        case 'x': options |= PCRE_EXTENDED; break;        case 'x': options |= PCRE_EXTENDED; break;
1610    
1611          case '+':
1612          if (do_showrest) do_showcaprest = 1; else do_showrest = 1;
1613          break;
1614    
1615        case 'A': options |= PCRE_ANCHORED; break;        case 'A': options |= PCRE_ANCHORED; break;
1616          case 'B': do_debug = 1; break;
1617          case 'C': options |= PCRE_AUTO_CALLOUT; break;
1618        case 'D': do_debug = do_showinfo = 1; break;        case 'D': do_debug = do_showinfo = 1; break;
1619        case 'E': options |= PCRE_DOLLAR_ENDONLY; break;        case 'E': options |= PCRE_DOLLAR_ENDONLY; break;
1620          case 'F': do_flip = 1; break;
1621          case 'G': do_G = 1; break;
1622        case 'I': do_showinfo = 1; break;        case 'I': do_showinfo = 1; break;
1623          case 'J': options |= PCRE_DUPNAMES; break;
1624          case 'K': do_mark = 1; break;
1625          case 'M': log_store = 1; break;
1626          case 'N': options |= PCRE_NO_AUTO_CAPTURE; break;
1627    
1628    #if !defined NOPOSIX
1629        case 'P': do_posix = 1; break;        case 'P': do_posix = 1; break;
1630        case 'S': do_study = 1; break;  #endif
1631    
1632          case 'S':
1633          if (do_study == 0) do_study = 1; else
1634            {
1635            do_study = 0;
1636            no_force_study = 1;
1637            }
1638          break;
1639    
1640        case 'U': options |= PCRE_UNGREEDY; break;        case 'U': options |= PCRE_UNGREEDY; break;
1641          case 'W': options |= PCRE_UCP; break;
1642        case 'X': options |= PCRE_EXTRA; break;        case 'X': options |= PCRE_EXTRA; break;
1643          case 'Y': options |= PCRE_NO_START_OPTIMISE; break;
1644          case 'Z': debug_lengths = 0; break;
1645          case '8': options |= PCRE_UTF8; use_utf8 = 1; break;
1646          case '?': options |= PCRE_NO_UTF8_CHECK; break;
1647    
1648          case 'T':
1649          switch (*pp++)
1650            {
1651            case '0': tables = tables0; break;
1652            case '1': tables = tables1; break;
1653    
1654            case '\r':
1655            case '\n':
1656            case ' ':
1657            case 0:
1658            fprintf(outfile, "** Missing table number after /T\n");
1659            goto SKIP_DATA;
1660    
1661            default:
1662            fprintf(outfile, "** Bad table number \"%c\" after /T\n", pp[-1]);
1663            goto SKIP_DATA;
1664            }
1665          break;
1666    
1667        case 'L':        case 'L':
1668        ppp = pp;        ppp = pp;
1669        while (*ppp != '\n' && *ppp != ' ') ppp++;        /* The '\r' test here is so that it works on Windows. */
1670          /* The '0' test is just in case this is an unterminated line. */
1671          while (*ppp != 0 && *ppp != '\n' && *ppp != '\r' && *ppp != ' ') ppp++;
1672        *ppp = 0;        *ppp = 0;
1673        if (setlocale(LC_CTYPE, (const char *)pp) == NULL)        if (setlocale(LC_CTYPE, (const char *)pp) == NULL)
1674          {          {
1675          fprintf(outfile, "** Failed to set locale \"%s\"\n", pp);          fprintf(outfile, "** Failed to set locale \"%s\"\n", pp);
1676          goto SKIP_DATA;          goto SKIP_DATA;
1677          }          }
1678          locale_set = 1;
1679        tables = pcre_maketables();        tables = pcre_maketables();
1680        pp = ppp;        pp = ppp;
1681        break;        break;
1682    
1683        case '\n': case ' ': break;        case '>':
1684          to_file = pp;
1685          while (*pp != 0) pp++;
1686          while (isspace(pp[-1])) pp--;
1687          *pp = 0;
1688          break;
1689    
1690          case '<':
1691            {
1692            if (strncmpic(pp, (uschar *)"JS>", 3) == 0)
1693              {
1694              options |= PCRE_JAVASCRIPT_COMPAT;
1695              pp += 3;
1696              }
1697            else
1698              {
1699              int x = check_newline(pp, outfile);
1700              if (x == 0) goto SKIP_DATA;
1701              options |= x;
1702              while (*pp++ != '>');
1703              }
1704            }
1705          break;
1706    
1707          case '\r':                      /* So that it works in Windows */
1708          case '\n':
1709          case ' ':
1710          break;
1711    
1712        default:        default:
1713        fprintf(outfile, "** Unknown option '%c'\n", pp[-1]);        fprintf(outfile, "** Unknown option '%c'\n", pp[-1]);
1714        goto SKIP_DATA;        goto SKIP_DATA;
# Line 465  while (!done) Line 1719  while (!done)
1719    timing, showing, or debugging options, nor the ability to pass over    timing, showing, or debugging options, nor the ability to pass over
1720    local character tables. */    local character tables. */
1721    
1722    #if !defined NOPOSIX
1723    if (posix || do_posix)    if (posix || do_posix)
1724      {      {
1725      int rc;      int rc;
1726      int cflags = 0;      int cflags = 0;
1727    
1728      if ((options & PCRE_CASELESS) != 0) cflags |= REG_ICASE;      if ((options & PCRE_CASELESS) != 0) cflags |= REG_ICASE;
1729      if ((options & PCRE_MULTILINE) != 0) cflags |= REG_NEWLINE;      if ((options & PCRE_MULTILINE) != 0) cflags |= REG_NEWLINE;
1730        if ((options & PCRE_DOTALL) != 0) cflags |= REG_DOTALL;
1731        if ((options & PCRE_NO_AUTO_CAPTURE) != 0) cflags |= REG_NOSUB;
1732        if ((options & PCRE_UTF8) != 0) cflags |= REG_UTF8;
1733        if ((options & PCRE_UCP) != 0) cflags |= REG_UCP;
1734        if ((options & PCRE_UNGREEDY) != 0) cflags |= REG_UNGREEDY;
1735    
1736      rc = regcomp(&preg, (char *)p, cflags);      rc = regcomp(&preg, (char *)p, cflags);
1737    
1738      /* 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 1740  while (!done)
1740    
1741      if (rc != 0)      if (rc != 0)
1742        {        {
1743        (void)regerror(rc, &preg, (char *)buffer, sizeof(buffer));        (void)regerror(rc, &preg, (char *)buffer, buffer_size);
1744        fprintf(outfile, "Failed: POSIX code %d: %s\n", rc, buffer);        fprintf(outfile, "Failed: POSIX code %d: %s\n", rc, buffer);
1745        goto SKIP_DATA;        goto SKIP_DATA;
1746        }        }
# Line 487  while (!done) Line 1749  while (!done)
1749    /* Handle compiling via the native interface */    /* Handle compiling via the native interface */
1750    
1751    else    else
1752    #endif  /* !defined NOPOSIX */
1753    
1754      {      {
1755      if (timeit)      unsigned long int get_options;
1756    
1757        if (timeit > 0)
1758        {        {
1759        register int i;        register int i;
1760        clock_t time_taken;        clock_t time_taken;
1761        clock_t start_time = clock();        clock_t start_time = clock();
1762        for (i = 0; i < LOOPREPEAT; i++)        for (i = 0; i < timeit; i++)
1763          {          {
1764          re = pcre_compile((char *)p, options, &error, &erroroffset, tables);          re = pcre_compile((char *)p, options, &error, &erroroffset, tables);
1765          if (re != NULL) free(re);          if (re != NULL) free(re);
1766          }          }
1767        time_taken = clock() - start_time;        time_taken = clock() - start_time;
1768        fprintf(outfile, "Compile time %.2f milliseconds\n",        fprintf(outfile, "Compile time %.4f milliseconds\n",
1769          ((double)time_taken)/(4 * CLOCKS_PER_SEC));          (((double)time_taken * 1000.0) / (double)timeit) /
1770              (double)CLOCKS_PER_SEC);
1771        }        }
1772    
1773      re = pcre_compile((char *)p, options, &error, &erroroffset, tables);      re = pcre_compile((char *)p, options, &error, &erroroffset, tables);
# Line 516  while (!done) Line 1783  while (!done)
1783          {          {
1784          for (;;)          for (;;)
1785            {            {
1786            if (fgets((char *)buffer, sizeof(buffer), infile) == NULL)            if (extend_inputline(infile, buffer, NULL) == NULL)
1787              {              {
1788              done = 1;              done = 1;
1789              goto CONTINUE;              goto CONTINUE;
# Line 530  while (!done) Line 1797  while (!done)
1797        goto CONTINUE;        goto CONTINUE;
1798        }        }
1799    
1800      /* Compilation succeeded; print data if required */      /* Compilation succeeded. It is now possible to set the UTF-8 option from
1801        within the regex; check for this so that we know how to process the data
1802        lines. */
1803    
1804        new_info(re, NULL, PCRE_INFO_OPTIONS, &get_options);
1805        if ((get_options & PCRE_UTF8) != 0) use_utf8 = 1;
1806    
1807        /* Print information if required. There are now two info-returning
1808        functions. The old one has a limited interface and returns only limited
1809        data. Check that it agrees with the newer one. */
1810    
1811        if (log_store)
1812          fprintf(outfile, "Memory allocation (code space): %d\n",
1813            (int)(gotten_store -
1814                  sizeof(real_pcre) -
1815                  ((real_pcre *)re)->name_count * ((real_pcre *)re)->name_entry_size));
1816    
1817        /* Extract the size for possible writing before possibly flipping it,
1818        and remember the store that was got. */
1819    
1820        true_size = ((real_pcre *)re)->size;
1821        regex_gotten_store = gotten_store;
1822    
1823        /* If -s or /S was present, study the regex to generate additional info to
1824        help with the matching, unless the pattern has the SS option, which
1825        suppresses the effect of /S (used for a few test patterns where studying is
1826        never sensible). */
1827    
1828      if (do_showinfo)      if (do_study || (force_study && !no_force_study))
1829          {
1830          if (timeit > 0)
1831            {
1832            register int i;
1833            clock_t time_taken;
1834            clock_t start_time = clock();
1835            for (i = 0; i < timeit; i++)
1836              extra = pcre_study(re, study_options, &error);
1837            time_taken = clock() - start_time;
1838            if (extra != NULL) free(extra);
1839            fprintf(outfile, "  Study time %.4f milliseconds\n",
1840              (((double)time_taken * 1000.0) / (double)timeit) /
1841                (double)CLOCKS_PER_SEC);
1842            }
1843          extra = pcre_study(re, study_options, &error);
1844          if (error != NULL)
1845            fprintf(outfile, "Failed to study: %s\n", error);
1846          else if (extra != NULL)
1847            true_study_size = ((pcre_study_data *)(extra->study_data))->size;
1848          }
1849    
1850        /* If /K was present, we set up for handling MARK data. */
1851    
1852        if (do_mark)
1853          {
1854          if (extra == NULL)
1855            {
1856            extra = (pcre_extra *)malloc(sizeof(pcre_extra));
1857            extra->flags = 0;
1858            }
1859          extra->mark = &markptr;
1860          extra->flags |= PCRE_EXTRA_MARK;
1861          }
1862    
1863        /* If the 'F' option was present, we flip the bytes of all the integer
1864        fields in the regex data block and the study block. This is to make it
1865        possible to test PCRE's handling of byte-flipped patterns, e.g. those
1866        compiled on a different architecture. */
1867    
1868        if (do_flip)
1869        {        {
1870        int first_char, count;        real_pcre *rre = (real_pcre *)re;
1871          rre->magic_number =
1872            byteflip(rre->magic_number, sizeof(rre->magic_number));
1873          rre->size = byteflip(rre->size, sizeof(rre->size));
1874          rre->options = byteflip(rre->options, sizeof(rre->options));
1875          rre->flags = (pcre_uint16)byteflip(rre->flags, sizeof(rre->flags));
1876          rre->top_bracket =
1877            (pcre_uint16)byteflip(rre->top_bracket, sizeof(rre->top_bracket));
1878          rre->top_backref =
1879            (pcre_uint16)byteflip(rre->top_backref, sizeof(rre->top_backref));
1880          rre->first_byte =
1881            (pcre_uint16)byteflip(rre->first_byte, sizeof(rre->first_byte));
1882          rre->req_byte =
1883            (pcre_uint16)byteflip(rre->req_byte, sizeof(rre->req_byte));
1884          rre->name_table_offset = (pcre_uint16)byteflip(rre->name_table_offset,
1885            sizeof(rre->name_table_offset));
1886          rre->name_entry_size = (pcre_uint16)byteflip(rre->name_entry_size,
1887            sizeof(rre->name_entry_size));
1888          rre->name_count = (pcre_uint16)byteflip(rre->name_count,
1889            sizeof(rre->name_count));
1890    
1891          if (extra != NULL)
1892            {
1893            pcre_study_data *rsd = (pcre_study_data *)(extra->study_data);
1894            rsd->size = byteflip(rsd->size, sizeof(rsd->size));
1895            rsd->flags = byteflip(rsd->flags, sizeof(rsd->flags));
1896            rsd->minlength = byteflip(rsd->minlength, sizeof(rsd->minlength));
1897            }
1898          }
1899    
1900        if (do_debug) print_internals(re, outfile);      /* Extract information from the compiled data if required */
1901    
1902        count = pcre_info(re, &options, &first_char);      SHOW_INFO:
1903    
1904        if (do_debug)
1905          {
1906          fprintf(outfile, "------------------------------------------------------------------\n");
1907          pcre_printint(re, outfile, debug_lengths);
1908          }
1909    
1910        /* We already have the options in get_options (see above) */
1911    
1912        if (do_showinfo)
1913          {
1914          unsigned long int all_options;
1915    #if !defined NOINFOCHECK
1916          int old_first_char, old_options, old_count;
1917    #endif
1918          int count, backrefmax, first_char, need_char, okpartial, jchanged,
1919            hascrorlf;
1920          int nameentrysize, namecount;
1921          const uschar *nametable;
1922    
1923          new_info(re, NULL, PCRE_INFO_SIZE, &size);
1924          new_info(re, NULL, PCRE_INFO_CAPTURECOUNT, &count);
1925          new_info(re, NULL, PCRE_INFO_BACKREFMAX, &backrefmax);
1926          new_info(re, NULL, PCRE_INFO_FIRSTBYTE, &first_char);
1927          new_info(re, NULL, PCRE_INFO_LASTLITERAL, &need_char);
1928          new_info(re, NULL, PCRE_INFO_NAMEENTRYSIZE, &nameentrysize);
1929          new_info(re, NULL, PCRE_INFO_NAMECOUNT, &namecount);
1930          new_info(re, NULL, PCRE_INFO_NAMETABLE, (void *)&nametable);
1931          new_info(re, NULL, PCRE_INFO_OKPARTIAL, &okpartial);
1932          new_info(re, NULL, PCRE_INFO_JCHANGED, &jchanged);
1933          new_info(re, NULL, PCRE_INFO_HASCRORLF, &hascrorlf);
1934    
1935    #if !defined NOINFOCHECK
1936          old_count = pcre_info(re, &old_options, &old_first_char);
1937        if (count < 0) fprintf(outfile,        if (count < 0) fprintf(outfile,
1938          "Error %d while reading info\n", count);          "Error %d from pcre_info()\n", count);
1939        else        else
1940          {          {
1941          fprintf(outfile, "Identifying subpattern count = %d\n", count);          if (old_count != count) fprintf(outfile,
1942          if (options == 0) fprintf(outfile, "No options\n");            "Count disagreement: pcre_fullinfo=%d pcre_info=%d\n", count,
1943            else fprintf(outfile, "Options:%s%s%s%s%s%s%s%s\n",              old_count);
1944              ((options & PCRE_ANCHORED) != 0)? " anchored" : "",  
1945              ((options & PCRE_CASELESS) != 0)? " caseless" : "",          if (old_first_char != first_char) fprintf(outfile,
1946              ((options & PCRE_EXTENDED) != 0)? " extended" : "",            "First char disagreement: pcre_fullinfo=%d pcre_info=%d\n",
1947              ((options & PCRE_MULTILINE) != 0)? " multiline" : "",              first_char, old_first_char);
1948              ((options & PCRE_DOTALL) != 0)? " dotall" : "",  
1949              ((options & PCRE_DOLLAR_ENDONLY) != 0)? " dollar_endonly" : "",          if (old_options != (int)get_options) fprintf(outfile,
1950              ((options & PCRE_EXTRA) != 0)? " extra" : "",            "Options disagreement: pcre_fullinfo=%ld pcre_info=%d\n",
1951              ((options & PCRE_UNGREEDY) != 0)? " ungreedy" : "");              get_options, old_options);
1952          if (first_char == -1)          }
1953            {  #endif
1954            fprintf(outfile, "First char at start or follows \\n\n");  
1955            }        if (size != regex_gotten_store) fprintf(outfile,
1956          else if (first_char < 0)          "Size disagreement: pcre_fullinfo=%d call to malloc for %d\n",
1957            (int)size, (int)regex_gotten_store);
1958    
1959          fprintf(outfile, "Capturing subpattern count = %d\n", count);
1960          if (backrefmax > 0)
1961            fprintf(outfile, "Max back reference = %d\n", backrefmax);
1962    
1963          if (namecount > 0)
1964            {
1965            fprintf(outfile, "Named capturing subpatterns:\n");
1966            while (namecount-- > 0)
1967            {            {
1968            fprintf(outfile, "No first char\n");            fprintf(outfile, "  %s %*s%3d\n", nametable + 2,
1969                nameentrysize - 3 - (int)strlen((char *)nametable + 2), "",
1970                GET2(nametable, 0));
1971              nametable += nameentrysize;
1972            }            }
1973            }
1974    
1975          if (!okpartial) fprintf(outfile, "Partial matching not supported\n");
1976          if (hascrorlf) fprintf(outfile, "Contains explicit CR or LF match\n");
1977    
1978          all_options = ((real_pcre *)re)->options;
1979          if (do_flip) all_options = byteflip(all_options, sizeof(all_options));
1980    
1981          if (get_options == 0) fprintf(outfile, "No options\n");
1982            else fprintf(outfile, "Options:%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s\n",
1983              ((get_options & PCRE_ANCHORED) != 0)? " anchored" : "",
1984              ((get_options & PCRE_CASELESS) != 0)? " caseless" : "",
1985              ((get_options & PCRE_EXTENDED) != 0)? " extended" : "",
1986              ((get_options & PCRE_MULTILINE) != 0)? " multiline" : "",
1987              ((get_options & PCRE_FIRSTLINE) != 0)? " firstline" : "",
1988              ((get_options & PCRE_DOTALL) != 0)? " dotall" : "",
1989              ((get_options & PCRE_BSR_ANYCRLF) != 0)? " bsr_anycrlf" : "",
1990              ((get_options & PCRE_BSR_UNICODE) != 0)? " bsr_unicode" : "",
1991              ((get_options & PCRE_DOLLAR_ENDONLY) != 0)? " dollar_endonly" : "",
1992              ((get_options & PCRE_EXTRA) != 0)? " extra" : "",
1993              ((get_options & PCRE_UNGREEDY) != 0)? " ungreedy" : "",
1994              ((get_options & PCRE_NO_AUTO_CAPTURE) != 0)? " no_auto_capture" : "",
1995              ((get_options & PCRE_UTF8) != 0)? " utf8" : "",
1996              ((get_options & PCRE_UCP) != 0)? " ucp" : "",
1997              ((get_options & PCRE_NO_UTF8_CHECK) != 0)? " no_utf8_check" : "",
1998              ((get_options & PCRE_NO_START_OPTIMIZE) != 0)? " no_start_optimize" : "",
1999              ((get_options & PCRE_DUPNAMES) != 0)? " dupnames" : "");
2000    
2001          if (jchanged) fprintf(outfile, "Duplicate name status changes\n");
2002    
2003          switch (get_options & PCRE_NEWLINE_BITS)
2004            {
2005            case PCRE_NEWLINE_CR:
2006            fprintf(outfile, "Forced newline sequence: CR\n");
2007            break;
2008    
2009            case PCRE_NEWLINE_LF:
2010            fprintf(outfile, "Forced newline sequence: LF\n");
2011            break;
2012    
2013            case PCRE_NEWLINE_CRLF:
2014            fprintf(outfile, "Forced newline sequence: CRLF\n");
2015            break;
2016    
2017            case PCRE_NEWLINE_ANYCRLF:
2018            fprintf(outfile, "Forced newline sequence: ANYCRLF\n");
2019            break;
2020    
2021            case PCRE_NEWLINE_ANY:
2022            fprintf(outfile, "Forced newline sequence: ANY\n");
2023            break;
2024    
2025            default:
2026            break;
2027            }
2028    
2029          if (first_char == -1)
2030            {
2031            fprintf(outfile, "First char at start or follows newline\n");
2032            }
2033          else if (first_char < 0)
2034            {
2035            fprintf(outfile, "No first char\n");
2036            }
2037          else
2038            {
2039            int ch = first_char & 255;
2040            const char *caseless = ((first_char & REQ_CASELESS) == 0)?
2041              "" : " (caseless)";
2042            if (PRINTHEX(ch))
2043              fprintf(outfile, "First char = \'%c\'%s\n", ch, caseless);
2044            else
2045              fprintf(outfile, "First char = %d%s\n", ch, caseless);
2046            }
2047    
2048          if (need_char < 0)
2049            {
2050            fprintf(outfile, "No need char\n");
2051            }
2052          else
2053            {
2054            int ch = need_char & 255;
2055            const char *caseless = ((need_char & REQ_CASELESS) == 0)?
2056              "" : " (caseless)";
2057            if (PRINTHEX(ch))
2058              fprintf(outfile, "Need char = \'%c\'%s\n", ch, caseless);
2059            else
2060              fprintf(outfile, "Need char = %d%s\n", ch, caseless);
2061            }
2062    
2063          /* Don't output study size; at present it is in any case a fixed
2064          value, but it varies, depending on the computer architecture, and
2065          so messes up the test suite. (And with the /F option, it might be
2066          flipped.) If study was forced by an external -s, don't show this
2067          information unless -i or -d was also present. This means that, except
2068          when auto-callouts are involved, the output from runs with and without
2069          -s should be identical. */
2070    
2071          if (do_study || (force_study && showinfo && !no_force_study))
2072            {
2073            if (extra == NULL)
2074              fprintf(outfile, "Study returned NULL\n");
2075          else          else
2076            {            {
2077            if (isprint(first_char))            uschar *start_bits = NULL;
2078              fprintf(outfile, "First char = \'%c\'\n", first_char);            int minlength;
2079    
2080              new_info(re, extra, PCRE_INFO_MINLENGTH, &minlength);
2081              fprintf(outfile, "Subject length lower bound = %d\n", minlength);
2082    
2083              new_info(re, extra, PCRE_INFO_FIRSTTABLE, &start_bits);
2084              if (start_bits == NULL)
2085                fprintf(outfile, "No set of starting bytes\n");
2086            else            else
2087              fprintf(outfile, "First char = %d\n", first_char);              {
2088                int i;
2089                int c = 24;
2090                fprintf(outfile, "Starting byte set: ");
2091                for (i = 0; i < 256; i++)
2092                  {
2093                  if ((start_bits[i/8] & (1<<(i&7))) != 0)
2094                    {
2095                    if (c > 75)
2096                      {
2097                      fprintf(outfile, "\n  ");
2098                      c = 2;
2099                      }
2100                    if (PRINTHEX(i) && i != ' ')
2101                      {
2102                      fprintf(outfile, "%c ", i);
2103                      c += 2;
2104                      }
2105                    else
2106                      {
2107                      fprintf(outfile, "\\x%02x ", i);
2108                      c += 5;
2109                      }
2110                    }
2111                  }
2112                fprintf(outfile, "\n");
2113                }
2114            }            }
2115          }          }
2116        }        }
2117    
2118      /* 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
2119      help with the matching. */      that is all. The first 8 bytes of the file are the regex length and then
2120        the study length, in big-endian order. */
2121    
2122      if (do_study)      if (to_file != NULL)
2123        {        {
2124        if (timeit)        FILE *f = fopen((char *)to_file, "wb");
2125          {        if (f == NULL)
         register int i;  
         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));  
         }  
   
       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)  
2126          {          {
2127          real_pcre_extra *xx = (real_pcre_extra *)extra;          fprintf(outfile, "Unable to open %s: %s\n", to_file, strerror(errno));
2128          if ((xx->options & PCRE_STUDY_MAPPED) == 0)          }
2129            fprintf(outfile, "No starting character set\n");        else
2130            {
2131            uschar sbuf[8];
2132            sbuf[0] = (uschar)((true_size >> 24) & 255);
2133            sbuf[1] = (uschar)((true_size >> 16) & 255);
2134            sbuf[2] = (uschar)((true_size >>  8) & 255);
2135            sbuf[3] = (uschar)((true_size) & 255);
2136    
2137            sbuf[4] = (uschar)((true_study_size >> 24) & 255);
2138            sbuf[5] = (uschar)((true_study_size >> 16) & 255);
2139            sbuf[6] = (uschar)((true_study_size >>  8) & 255);
2140            sbuf[7] = (uschar)((true_study_size) & 255);
2141    
2142            if (fwrite(sbuf, 1, 8, f) < 8 ||
2143                fwrite(re, 1, true_size, f) < true_size)
2144              {
2145              fprintf(outfile, "Write error on %s: %s\n", to_file, strerror(errno));
2146              }
2147          else          else
2148            {            {
2149            int i;            fprintf(outfile, "Compiled pattern written to %s\n", to_file);
2150            int c = 24;  
2151            fprintf(outfile, "Starting character set: ");            /* If there is study data, write it, but verify the writing only
2152            for (i = 0; i < 256; i++)            if the studying was requested by /S, not just by -s. */
2153    
2154              if (extra != NULL)
2155              {              {
2156              if ((xx->start_bits[i/8] & (1<<(i%8))) != 0)              if (fwrite(extra->study_data, 1, true_study_size, f) <
2157                    true_study_size)
2158                {                {
2159                if (c > 75)                fprintf(outfile, "Write error on %s: %s\n", to_file,
2160                  {                  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;  
                 }  
2161                }                }
2162                else fprintf(outfile, "Study data written to %s\n", to_file);
2163              }              }
           fprintf(outfile, "\n");  
2164            }            }
2165            fclose(f);
2166            }
2167    
2168          new_free(re);
2169          if (extra != NULL) new_free(extra);
2170          if (locale_set)
2171            {
2172            new_free((void *)tables);
2173            setlocale(LC_CTYPE, "C");
2174            locale_set = 0;
2175          }          }
2176          continue;  /* With next regex */
2177        }        }
2178      }      }        /* End of non-POSIX compile */
2179    
2180    /* Read data lines and test them */    /* Read data lines and test them */
2181    
2182    for (;;)    for (;;)
2183      {      {
2184      unsigned char *q;      uschar *q;
2185        uschar *bptr;
2186        int *use_offsets = offsets;
2187        int use_size_offsets = size_offsets;
2188        int callout_data = 0;
2189        int callout_data_set = 0;
2190      int count, c;      int count, c;
2191      int offsets[45];      int copystrings = 0;
2192      int size_offsets = sizeof(offsets)/sizeof(int);      int find_match_limit = default_find_match_limit;
2193        int getstrings = 0;
2194        int getlist = 0;
2195        int gmatched = 0;
2196        int start_offset = 0;
2197        int start_offset_sign = 1;
2198        int g_notempty = 0;
2199        int use_dfa = 0;
2200    
2201      options = 0;      options = 0;
2202    
2203      if (infile == stdin) printf("  data> ");      *copynames = 0;
2204      if (fgets((char *)buffer, sizeof(buffer), infile) == NULL)      *getnames = 0;
2205    
2206        copynamesptr = copynames;
2207        getnamesptr = getnames;
2208    
2209        pcre_callout = callout;
2210        first_callout = 1;
2211        callout_extra = 0;
2212        callout_count = 0;
2213        callout_fail_count = 999999;
2214        callout_fail_id = -1;
2215        show_malloc = 0;
2216    
2217        if (extra != NULL) extra->flags &=
2218          ~(PCRE_EXTRA_MATCH_LIMIT|PCRE_EXTRA_MATCH_LIMIT_RECURSION);
2219    
2220        len = 0;
2221        for (;;)
2222        {        {
2223        done = 1;        if (extend_inputline(infile, buffer + len, "data> ") == NULL)
2224        goto CONTINUE;          {
2225            if (len > 0)    /* Reached EOF without hitting a newline */
2226              {
2227              fprintf(outfile, "\n");
2228              break;
2229              }
2230            done = 1;
2231            goto CONTINUE;
2232            }
2233          if (infile != stdin) fprintf(outfile, "%s", (char *)buffer);
2234          len = (int)strlen((char *)buffer);
2235          if (buffer[len-1] == '\n') break;
2236        }        }
     if (infile != stdin) fprintf(outfile, "%s", (char *)buffer);  
2237    
     len = (int)strlen((char *)buffer);  
2238      while (len > 0 && isspace(buffer[len-1])) len--;      while (len > 0 && isspace(buffer[len-1])) len--;
2239      buffer[len] = 0;      buffer[len] = 0;
2240      if (len == 0) break;      if (len == 0) break;
# Line 663  while (!done) Line 2242  while (!done)
2242      p = buffer;      p = buffer;
2243      while (isspace(*p)) p++;      while (isspace(*p)) p++;
2244    
2245      q = dbuffer;      bptr = q = dbuffer;
2246      while ((c = *p++) != 0)      while ((c = *p++) != 0)
2247        {        {
2248        int i = 0;        int i = 0;
2249        int n = 0;        int n = 0;
2250    
2251        if (c == '\\') switch ((c = *p++))        if (c == '\\') switch ((c = *p++))
2252          {          {
2253          case 'a': c =    7; break;          case 'a': c =    7; break;
# Line 684  while (!done) Line 2264  while (!done)
2264          c -= '0';          c -= '0';
2265          while (i++ < 2 && isdigit(*p) && *p != '8' && *p != '9')          while (i++ < 2 && isdigit(*p) && *p != '8' && *p != '9')
2266            c = c * 8 + *p++ - '0';            c = c * 8 + *p++ - '0';
2267    
2268    #if !defined NOUTF8
2269            if (use_utf8 && c > 255)
2270              {
2271              unsigned char buff8[8];
2272              int ii, utn;
2273              utn = ord2utf8(c, buff8);
2274              for (ii = 0; ii < utn - 1; ii++) *q++ = buff8[ii];
2275              c = buff8[ii];   /* Last byte */
2276              }
2277    #endif
2278          break;          break;
2279    
2280          case 'x':          case 'x':
2281    
2282            /* Handle \x{..} specially - new Perl thing for utf8 */
2283    
2284    #if !defined NOUTF8
2285            if (*p == '{')
2286              {
2287              unsigned char *pt = p;
2288              c = 0;
2289              while (isxdigit(*(++pt)))
2290                c = c * 16 + tolower(*pt) - ((isdigit(*pt))? '0' : 'W');
2291              if (*pt == '}')
2292                {
2293                unsigned char buff8[8];
2294                int ii, utn;
2295                if (use_utf8)
2296                  {
2297                  utn = ord2utf8(c, buff8);
2298                  for (ii = 0; ii < utn - 1; ii++) *q++ = buff8[ii];
2299                  c = buff8[ii];   /* Last byte */
2300                  }
2301                else
2302                 {
2303                 if (c > 255)
2304                   fprintf(outfile, "** Character \\x{%x} is greater than 255 and "
2305                     "UTF-8 mode is not enabled.\n"
2306                     "** Truncation will probably give the wrong result.\n", c);
2307                 }
2308                p = pt + 1;
2309                break;
2310                }
2311              /* Not correct form; fall through */
2312              }
2313    #endif
2314    
2315            /* Ordinary \x */
2316    
2317          c = 0;          c = 0;
2318          while (i++ < 2 && isxdigit(*p))          while (i++ < 2 && isxdigit(*p))
2319            {            {
# Line 695  while (!done) Line 2322  while (!done)
2322            }            }
2323          break;          break;
2324    
2325          case 0:   /* Allows for an empty line */          case 0:   /* \ followed by EOF allows for an empty line */
2326          p--;          p--;
2327          continue;          continue;
2328    
2329            case '>':
2330            if (*p == '-')
2331              {
2332              start_offset_sign = -1;
2333              p++;
2334              }
2335            while(isdigit(*p)) start_offset = start_offset * 10 + *p++ - '0';
2336            start_offset *= start_offset_sign;
2337            continue;
2338    
2339          case 'A':  /* Option setting */          case 'A':  /* Option setting */
2340          options |= PCRE_ANCHORED;          options |= PCRE_ANCHORED;
2341          continue;          continue;
# Line 707  while (!done) Line 2344  while (!done)
2344          options |= PCRE_NOTBOL;          options |= PCRE_NOTBOL;
2345          continue;          continue;
2346    
2347            case 'C':
2348            if (isdigit(*p))    /* Set copy string */
2349              {
2350              while(isdigit(*p)) n = n * 10 + *p++ - '0';
2351              copystrings |= 1 << n;
2352              }
2353            else if (isalnum(*p))
2354              {
2355              uschar *npp = copynamesptr;
2356              while (isalnum(*p)) *npp++ = *p++;
2357              *npp++ = 0;
2358              *npp = 0;
2359              n = pcre_get_stringnumber(re, (char *)copynamesptr);
2360              if (n < 0)
2361                fprintf(outfile, "no parentheses with name \"%s\"\n", copynamesptr);
2362              copynamesptr = npp;
2363              }
2364            else if (*p == '+')
2365              {
2366              callout_extra = 1;
2367              p++;
2368              }
2369            else if (*p == '-')
2370              {
2371              pcre_callout = NULL;
2372              p++;
2373              }
2374            else if (*p == '!')
2375              {
2376              callout_fail_id = 0;
2377              p++;
2378              while(isdigit(*p))
2379                callout_fail_id = callout_fail_id * 10 + *p++ - '0';
2380              callout_fail_count = 0;
2381              if (*p == '!')
2382                {
2383                p++;
2384                while(isdigit(*p))
2385                  callout_fail_count = callout_fail_count * 10 + *p++ - '0';
2386                }
2387              }
2388            else if (*p == '*')
2389              {
2390              int sign = 1;
2391              callout_data = 0;
2392              if (*(++p) == '-') { sign = -1; p++; }
2393              while(isdigit(*p))
2394                callout_data = callout_data * 10 + *p++ - '0';
2395              callout_data *= sign;
2396              callout_data_set = 1;
2397              }
2398            continue;
2399    
2400    #if !defined NODFA
2401            case 'D':
2402    #if !defined NOPOSIX
2403            if (posix || do_posix)
2404              printf("** Can't use dfa matching in POSIX mode: \\D ignored\n");
2405            else
2406    #endif
2407              use_dfa = 1;
2408            continue;
2409    #endif
2410    
2411    #if !defined NODFA
2412            case 'F':
2413            options |= PCRE_DFA_SHORTEST;
2414            continue;
2415    #endif
2416    
2417            case 'G':
2418            if (isdigit(*p))
2419              {
2420              while(isdigit(*p)) n = n * 10 + *p++ - '0';
2421              getstrings |= 1 << n;
2422              }
2423            else if (isalnum(*p))
2424              {
2425              uschar *npp = getnamesptr;
2426              while (isalnum(*p)) *npp++ = *p++;
2427              *npp++ = 0;
2428              *npp = 0;
2429              n = pcre_get_stringnumber(re, (char *)getnamesptr);
2430              if (n < 0)
2431                fprintf(outfile, "no parentheses with name \"%s\"\n", getnamesptr);
2432              getnamesptr = npp;
2433              }
2434            continue;
2435    
2436            case 'L':
2437            getlist = 1;
2438            continue;
2439    
2440            case 'M':
2441            find_match_limit = 1;
2442            continue;
2443    
2444            case 'N':
2445            if ((options & PCRE_NOTEMPTY) != 0)
2446              options = (options & ~PCRE_NOTEMPTY) | PCRE_NOTEMPTY_ATSTART;
2447            else
2448              options |= PCRE_NOTEMPTY;
2449            continue;
2450    
2451          case 'O':          case 'O':
2452          while(isdigit(*p)) n = n * 10 + *p++ - '0';          while(isdigit(*p)) n = n * 10 + *p++ - '0';
2453          if (n <= (int)(sizeof(offsets)/sizeof(int))) size_offsets = n;          if (n > size_offsets_max)
2454              {
2455              size_offsets_max = n;
2456              free(offsets);
2457              use_offsets = offsets = (int *)malloc(size_offsets_max * sizeof(int));
2458              if (offsets == NULL)
2459                {
2460                printf("** Failed to get %d bytes of memory for offsets vector\n",
2461                  (int)(size_offsets_max * sizeof(int)));
2462                yield = 1;
2463                goto EXIT;
2464                }
2465              }
2466            use_size_offsets = n;
2467            if (n == 0) use_offsets = NULL;   /* Ensures it can't write to it */
2468            continue;
2469    
2470            case 'P':
2471            options |= ((options & PCRE_PARTIAL_SOFT) == 0)?
2472              PCRE_PARTIAL_SOFT : PCRE_PARTIAL_HARD;
2473            continue;
2474    
2475            case 'Q':
2476            while(isdigit(*p)) n = n * 10 + *p++ - '0';
2477            if (extra == NULL)
2478              {
2479              extra = (pcre_extra *)malloc(sizeof(pcre_extra));
2480              extra->flags = 0;
2481              }
2482            extra->flags |= PCRE_EXTRA_MATCH_LIMIT_RECURSION;
2483            extra->match_limit_recursion = n;
2484            continue;
2485    
2486            case 'q':
2487            while(isdigit(*p)) n = n * 10 + *p++ - '0';
2488            if (extra == NULL)
2489              {
2490              extra = (pcre_extra *)malloc(sizeof(pcre_extra));
2491              extra->flags = 0;
2492              }
2493            extra->flags |= PCRE_EXTRA_MATCH_LIMIT;
2494            extra->match_limit = n;
2495            continue;
2496    
2497    #if !defined NODFA
2498            case 'R':
2499            options |= PCRE_DFA_RESTART;
2500            continue;
2501    #endif
2502    
2503            case 'S':
2504            show_malloc = 1;
2505            continue;
2506    
2507            case 'Y':
2508            options |= PCRE_NO_START_OPTIMIZE;
2509          continue;          continue;
2510    
2511          case 'Z':          case 'Z':
2512          options |= PCRE_NOTEOL;          options |= PCRE_NOTEOL;
2513          continue;          continue;
2514    
2515            case '?':
2516            options |= PCRE_NO_UTF8_CHECK;
2517            continue;
2518    
2519            case '<':
2520              {
2521              int x = check_newline(p, outfile);
2522              if (x == 0) goto NEXT_DATA;
2523              options |= x;
2524              while (*p++ != '>');
2525              }
2526            continue;
2527          }          }
2528        *q++ = c;        *q++ = c;
2529        }        }
2530      *q = 0;      *q = 0;
2531      len = q - dbuffer;      len = (int)(q - dbuffer);
2532    
2533        /* Move the data to the end of the buffer so that a read over the end of
2534        the buffer will be seen by valgrind, even if it doesn't cause a crash. If
2535        we are using the POSIX interface, we must include the terminating zero. */
2536    
2537    #if !defined NOPOSIX
2538        if (posix || do_posix)
2539          {
2540          memmove(bptr + buffer_size - len - 1, bptr, len + 1);
2541          bptr += buffer_size - len - 1;
2542          }
2543        else
2544    #endif
2545          {
2546          memmove(bptr + buffer_size - len, bptr, len);
2547          bptr += buffer_size - len;
2548          }
2549    
2550        if ((all_use_dfa || use_dfa) && find_match_limit)
2551          {
2552          printf("**Match limit not relevant for DFA matching: ignored\n");
2553          find_match_limit = 0;
2554          }
2555    
2556      /* Handle matching via the POSIX interface, which does not      /* Handle matching via the POSIX interface, which does not
2557      support timing. */      support timing or playing with the match limit or callout data. */
2558    
2559    #if !defined NOPOSIX
2560      if (posix || do_posix)      if (posix || do_posix)
2561        {        {
2562        int rc;        int rc;
2563        int eflags = 0;        int eflags = 0;
2564        regmatch_t pmatch[30];        regmatch_t *pmatch = NULL;
2565          if (use_size_offsets > 0)
2566            pmatch = (regmatch_t *)malloc(sizeof(regmatch_t) * use_size_offsets);
2567        if ((options & PCRE_NOTBOL) != 0) eflags |= REG_NOTBOL;        if ((options & PCRE_NOTBOL) != 0) eflags |= REG_NOTBOL;
2568        if ((options & PCRE_NOTEOL) != 0) eflags |= REG_NOTEOL;        if ((options & PCRE_NOTEOL) != 0) eflags |= REG_NOTEOL;
2569          if ((options & PCRE_NOTEMPTY) != 0) eflags |= REG_NOTEMPTY;
2570    
2571        rc = regexec(&preg, (char *)dbuffer, sizeof(pmatch)/sizeof(regmatch_t),        rc = regexec(&preg, (const char *)bptr, use_size_offsets, pmatch, eflags);
         pmatch, eflags);  
2572    
2573        if (rc != 0)        if (rc != 0)
2574          {          {
2575          (void)regerror(rc, &preg, (char *)buffer, sizeof(buffer));          (void)regerror(rc, &preg, (char *)buffer, buffer_size);
2576          fprintf(outfile, "No match: POSIX code %d: %s\n", rc, buffer);          fprintf(outfile, "No match: POSIX code %d: %s\n", rc, buffer);
2577          }          }
2578          else if ((((const pcre *)preg.re_pcre)->options & PCRE_NO_AUTO_CAPTURE)
2579                  != 0)
2580            {
2581            fprintf(outfile, "Matched with REG_NOSUB\n");
2582            }
2583        else        else
2584          {          {
2585          size_t i;          size_t i;
2586          for (i = 0; i < sizeof(pmatch)/sizeof(regmatch_t); i++)          for (i = 0; i < (size_t)use_size_offsets; i++)
2587            {            {
2588            if (pmatch[i].rm_so >= 0)            if (pmatch[i].rm_so >= 0)
2589              {              {
2590              fprintf(outfile, "%2d: ", (int)i);              fprintf(outfile, "%2d: ", (int)i);
2591              pchars(dbuffer + pmatch[i].rm_so,              (void)pchars(dbuffer + pmatch[i].rm_so,
2592                pmatch[i].rm_eo - pmatch[i].rm_so);                pmatch[i].rm_eo - pmatch[i].rm_so, outfile);
2593              fprintf(outfile, "\n");              fprintf(outfile, "\n");
2594                if (do_showcaprest || (i == 0 && do_showrest))
2595                  {
2596                  fprintf(outfile, "%2d+ ", (int)i);
2597                  (void)pchars(dbuffer + pmatch[i].rm_eo, len - pmatch[i].rm_eo,
2598                    outfile);
2599                  fprintf(outfile, "\n");
2600                  }
2601              }              }
2602            }            }
2603          }          }
2604          free(pmatch);
2605        }        }
2606    
2607      /* Handle matching via the native interface */      /* Handle matching via the native interface - repeats for /g and /G */
2608    
2609      else      else
2610    #endif  /* !defined NOPOSIX */
2611    
2612        for (;; gmatched++)    /* Loop for /g or /G */
2613        {        {
2614        if (timeit)        markptr = NULL;
2615    
2616          if (timeitm > 0)
2617          {          {
2618          register int i;          register int i;
2619          clock_t time_taken;          clock_t time_taken;
2620          clock_t start_time = clock();          clock_t start_time = clock();
2621          for (i = 0; i < 4000; i++)  
2622            count = pcre_exec(re, extra, (char *)dbuffer, len, options, offsets,  #if !defined NODFA
2623              size_offsets);          if (all_use_dfa || use_dfa)
2624              {
2625              int workspace[1000];
2626              for (i = 0; i < timeitm; i++)
2627                count = pcre_dfa_exec(re, extra, (char *)bptr, len, start_offset,
2628                  options | g_notempty, use_offsets, use_size_offsets, workspace,
2629                  sizeof(workspace)/sizeof(int));
2630              }
2631            else
2632    #endif
2633    
2634            for (i = 0; i < timeitm; i++)
2635              count = pcre_exec(re, extra, (char *)bptr, len,
2636                start_offset, options | g_notempty, use_offsets, use_size_offsets);
2637    
2638          time_taken = clock() - start_time;          time_taken = clock() - start_time;
2639          fprintf(outfile, "Execute time %.2f milliseconds\n",          fprintf(outfile, "Execute time %.4f milliseconds\n",
2640            ((double)time_taken)/(4 * CLOCKS_PER_SEC));            (((double)time_taken * 1000.0) / (double)timeitm) /
2641                (double)CLOCKS_PER_SEC);
2642            }
2643    
2644          /* If find_match_limit is set, we want to do repeated matches with
2645          varying limits in order to find the minimum value for the match limit and
2646          for the recursion limit. */
2647    
2648          if (find_match_limit)
2649            {
2650            if (extra == NULL)
2651              {
2652              extra = (pcre_extra *)malloc(sizeof(pcre_extra));
2653              extra->flags = 0;
2654              }
2655    
2656            (void)check_match_limit(re, extra, bptr, len, start_offset,
2657              options|g_notempty, use_offsets, use_size_offsets,
2658              PCRE_EXTRA_MATCH_LIMIT, &(extra->match_limit),
2659              PCRE_ERROR_MATCHLIMIT, "match()");
2660    
2661            count = check_match_limit(re, extra, bptr, len, start_offset,
2662              options|g_notempty, use_offsets, use_size_offsets,
2663              PCRE_EXTRA_MATCH_LIMIT_RECURSION, &(extra->match_limit_recursion),
2664              PCRE_ERROR_RECURSIONLIMIT, "match() recursion");
2665            }
2666    
2667          /* If callout_data is set, use the interface with additional data */
2668    
2669          else if (callout_data_set)
2670            {
2671            if (extra == NULL)
2672              {
2673              extra = (pcre_extra *)malloc(sizeof(pcre_extra));
2674              extra->flags = 0;
2675              }
2676            extra->flags |= PCRE_EXTRA_CALLOUT_DATA;
2677            extra->callout_data = &callout_data;
2678            count = pcre_exec(re, extra, (char *)bptr, len, start_offset,
2679              options | g_notempty, use_offsets, use_size_offsets);
2680            extra->flags &= ~PCRE_EXTRA_CALLOUT_DATA;
2681          }          }
2682    
2683        count = pcre_exec(re, extra, (char *)dbuffer, len, options, offsets,        /* The normal case is just to do the match once, with the default
2684          size_offsets);        value of match_limit. */
2685    
2686    #if !defined NODFA
2687          else if (all_use_dfa || use_dfa)
2688            {
2689            int workspace[1000];
2690            count = pcre_dfa_exec(re, extra, (char *)bptr, len, start_offset,
2691              options | g_notempty, use_offsets, use_size_offsets, workspace,
2692              sizeof(workspace)/sizeof(int));
2693            if (count == 0)
2694              {
2695              fprintf(outfile, "Matched, but too many subsidiary matches\n");
2696              count = use_size_offsets/2;
2697              }
2698            }
2699    #endif
2700    
2701        if (count == 0)        else
2702          {          {
2703          fprintf(outfile, "Matched, but too many substrings\n");          count = pcre_exec(re, extra, (char *)bptr, len,
2704          count = size_offsets/3;            start_offset, options | g_notempty, use_offsets, use_size_offsets);
2705            if (count == 0)
2706              {
2707              fprintf(outfile, "Matched, but too many substrings\n");
2708              count = use_size_offsets/3;
2709              }
2710          }          }
2711    
2712          /* Matched */
2713    
2714        if (count >= 0)        if (count >= 0)
2715          {          {
2716          int i;          int i, maxcount;
2717          count *= 2;  
2718          for (i = 0; i < count; i += 2)  #if !defined NODFA
2719            if (all_use_dfa || use_dfa) maxcount = use_size_offsets/2; else
2720    #endif
2721              maxcount = use_size_offsets/3;
2722    
2723            /* This is a check against a lunatic return value. */
2724    
2725            if (count > maxcount)
2726              {
2727              fprintf(outfile,
2728                "** PCRE error: returned count %d is too big for offset size %d\n",
2729                count, use_size_offsets);
2730              count = use_size_offsets/3;
2731              if (do_g || do_G)
2732                {
2733                fprintf(outfile, "** /%c loop abandoned\n", do_g? 'g' : 'G');
2734                do_g = do_G = FALSE;        /* Break g/G loop */
2735                }
2736              }
2737    
2738            for (i = 0; i < count * 2; i += 2)
2739            {            {
2740            if (offsets[i] < 0)            if (use_offsets[i] < 0)
2741              fprintf(outfile, "%2d: <unset>\n", i/2);              fprintf(outfile, "%2d: <unset>\n", i/2);
2742            else            else
2743              {              {
2744              fprintf(outfile, "%2d: ", i/2);              fprintf(outfile, "%2d: ", i/2);
2745              pchars(dbuffer + offsets[i], offsets[i+1] - offsets[i]);              (void)pchars(bptr + use_offsets[i],
2746                  use_offsets[i+1] - use_offsets[i], outfile);
2747              fprintf(outfile, "\n");              fprintf(outfile, "\n");
2748                if (do_showcaprest || (i == 0 && do_showrest))
2749                  {
2750                  fprintf(outfile, "%2d+ ", i/2);
2751                  (void)pchars(bptr + use_offsets[i+1], len - use_offsets[i+1],
2752                    outfile);
2753                  fprintf(outfile, "\n");
2754                  }
2755                }
2756              }
2757    
2758            if (markptr != NULL) fprintf(outfile, "MK: %s\n", markptr);
2759    
2760            for (i = 0; i < 32; i++)
2761              {
2762              if ((copystrings & (1 << i)) != 0)
2763                {
2764                char copybuffer[256];
2765                int rc = pcre_copy_substring((char *)bptr, use_offsets, count,
2766                  i, copybuffer, sizeof(copybuffer));
2767                if (rc < 0)
2768                  fprintf(outfile, "copy substring %d failed %d\n", i, rc);
2769                else
2770                  fprintf(outfile, "%2dC %s (%d)\n", i, copybuffer, rc);
2771                }
2772              }
2773    
2774            for (copynamesptr = copynames;
2775                 *copynamesptr != 0;
2776                 copynamesptr += (int)strlen((char*)copynamesptr) + 1)
2777              {
2778              char copybuffer[256];
2779              int rc = pcre_copy_named_substring(re, (char *)bptr, use_offsets,
2780                count, (char *)copynamesptr, copybuffer, sizeof(copybuffer));
2781              if (rc < 0)
2782                fprintf(outfile, "copy substring %s failed %d\n", copynamesptr, rc);
2783              else
2784                fprintf(outfile, "  C %s (%d) %s\n", copybuffer, rc, copynamesptr);
2785              }
2786    
2787            for (i = 0; i < 32; i++)
2788              {
2789              if ((getstrings & (1 << i)) != 0)
2790                {
2791                const char *substring;
2792                int rc = pcre_get_substring((char *)bptr, use_offsets, count,
2793                  i, &substring);
2794                if (rc < 0)
2795                  fprintf(outfile, "get substring %d failed %d\n", i, rc);
2796                else
2797                  {
2798                  fprintf(outfile, "%2dG %s (%d)\n", i, substring, rc);
2799                  pcre_free_substring(substring);
2800                  }
2801                }
2802              }
2803    
2804            for (getnamesptr = getnames;
2805                 *getnamesptr != 0;
2806                 getnamesptr += (int)strlen((char*)getnamesptr) + 1)
2807              {
2808              const char *substring;
2809              int rc = pcre_get_named_substring(re, (char *)bptr, use_offsets,
2810                count, (char *)getnamesptr, &substring);
2811              if (rc < 0)
2812                fprintf(outfile, "copy substring %s failed %d\n", getnamesptr, rc);
2813              else
2814                {
2815                fprintf(outfile, "  G %s (%d) %s\n", substring, rc, getnamesptr);
2816                pcre_free_substring(substring);
2817                }
2818              }
2819    
2820            if (getlist)
2821              {
2822              const char **stringlist;
2823              int rc = pcre_get_substring_list((char *)bptr, use_offsets, count,
2824                &stringlist);
2825              if (rc < 0)
2826                fprintf(outfile, "get substring list failed %d\n", rc);
2827              else
2828                {
2829                for (i = 0; i < count; i++)
2830                  fprintf(outfile, "%2dL %s\n", i, stringlist[i]);
2831                if (stringlist[i] != NULL)
2832                  fprintf(outfile, "string list not terminated by NULL\n");
2833                /* free((void *)stringlist); */
2834                pcre_free_substring_list(stringlist);
2835                }
2836              }
2837            }
2838    
2839          /* There was a partial match */
2840    
2841          else if (count == PCRE_ERROR_PARTIAL)
2842            {
2843            if (markptr == NULL) fprintf(outfile, "Partial match");
2844              else fprintf(outfile, "Partial match, mark=%s", markptr);
2845            if (use_size_offsets > 1)
2846              {
2847              fprintf(outfile, ": ");
2848              pchars(bptr + use_offsets[0], use_offsets[1] - use_offsets[0],
2849                outfile);
2850              }
2851            fprintf(outfile, "\n");
2852            break;  /* Out of the /g loop */
2853            }
2854    
2855          /* Failed to match. If this is a /g or /G loop and we previously set
2856          g_notempty after a null match, this is not necessarily the end. We want
2857          to advance the start offset, and continue. We won't be at the end of the
2858          string - that was checked before setting g_notempty.
2859    
2860          Complication arises in the case when the newline convention is "any",
2861          "crlf", or "anycrlf". If the previous match was at the end of a line
2862          terminated by CRLF, an advance of one character just passes the \r,
2863          whereas we should prefer the longer newline sequence, as does the code in
2864          pcre_exec(). Fudge the offset value to achieve this. We check for a
2865          newline setting in the pattern; if none was set, use pcre_config() to
2866          find the default.
2867    
2868          Otherwise, in the case of UTF-8 matching, the advance must be one
2869          character, not one byte. */
2870    
2871          else
2872            {
2873            if (g_notempty != 0)
2874              {
2875              int onechar = 1;
2876              unsigned int obits = ((real_pcre *)re)->options;
2877              use_offsets[0] = start_offset;
2878              if ((obits & PCRE_NEWLINE_BITS) == 0)
2879                {
2880                int d;
2881                (void)pcre_config(PCRE_CONFIG_NEWLINE, &d);
2882                /* Note that these values are always the ASCII ones, even in
2883                EBCDIC environments. CR = 13, NL = 10. */
2884                obits = (d == 13)? PCRE_NEWLINE_CR :
2885                        (d == 10)? PCRE_NEWLINE_LF :
2886                        (d == (13<<8 | 10))? PCRE_NEWLINE_CRLF :
2887                        (d == -2)? PCRE_NEWLINE_ANYCRLF :
2888                        (d == -1)? PCRE_NEWLINE_ANY : 0;
2889                }
2890              if (((obits & PCRE_NEWLINE_BITS) == PCRE_NEWLINE_ANY ||
2891                   (obits & PCRE_NEWLINE_BITS) == PCRE_NEWLINE_CRLF ||
2892                   (obits & PCRE_NEWLINE_BITS) == PCRE_NEWLINE_ANYCRLF)
2893                  &&
2894                  start_offset < len - 1 &&
2895                  bptr[start_offset] == '\r' &&
2896                  bptr[start_offset+1] == '\n')
2897                onechar++;
2898              else if (use_utf8)
2899                {
2900                while (start_offset + onechar < len)
2901                  {
2902                  if ((bptr[start_offset+onechar] & 0xc0) != 0x80) break;
2903                  onechar++;
2904                  }
2905                }
2906              use_offsets[1] = start_offset + onechar;
2907              }
2908            else
2909              {
2910              switch(count)
2911                {
2912                case PCRE_ERROR_NOMATCH:
2913                if (gmatched == 0)
2914                  {
2915                  if (markptr == NULL) fprintf(outfile, "No match\n");
2916                    else fprintf(outfile, "No match, mark = %s\n", markptr);
2917                  }
2918                break;
2919    
2920                case PCRE_ERROR_BADUTF8:
2921                case PCRE_ERROR_SHORTUTF8:
2922                fprintf(outfile, "Error %d (%s UTF-8 string)", count,
2923                  (count == PCRE_ERROR_BADUTF8)? "bad" : "short");
2924                if (use_size_offsets >= 2)
2925                  fprintf(outfile, " offset=%d reason=%d", use_offsets[0],
2926                    use_offsets[1]);
2927                fprintf(outfile, "\n");
2928                break;
2929    
2930                default:
2931                if (count < 0 && (-count) < sizeof(errtexts)/sizeof(const char *))
2932                  fprintf(outfile, "Error %d (%s)\n", count, errtexts[-count]);
2933                else
2934                  fprintf(outfile, "Error %d (Unexpected value)\n", count);
2935                break;
2936              }              }
2937    
2938              break;  /* Out of the /g loop */
2939            }            }
2940          }          }
2941    
2942          /* If not /g or /G we are done */
2943    
2944          if (!do_g && !do_G) break;
2945    
2946          /* If we have matched an empty string, first check to see if we are at
2947          the end of the subject. If so, the /g loop is over. Otherwise, mimic what
2948          Perl's /g options does. This turns out to be rather cunning. First we set
2949          PCRE_NOTEMPTY_ATSTART and PCRE_ANCHORED and try the match again at the
2950          same point. If this fails (picked up above) we advance to the next
2951          character. */
2952    
2953          g_notempty = 0;
2954    
2955          if (use_offsets[0] == use_offsets[1])
2956            {
2957            if (use_offsets[0] == len) break;
2958            g_notempty = PCRE_NOTEMPTY_ATSTART | PCRE_ANCHORED;
2959            }
2960    
2961          /* For /g, update the start offset, leaving the rest alone */
2962    
2963          if (do_g) start_offset = use_offsets[1];
2964    
2965          /* For /G, update the pointer and length */
2966    
2967        else        else
2968          {          {
2969          if (count == -1) fprintf(outfile, "No match\n");          bptr += use_offsets[1];
2970            else fprintf(outfile, "Error %d\n", count);          len -= use_offsets[1];
2971          }          }
2972        }        }  /* End of loop for /g and /G */
2973      }  
2974        NEXT_DATA: continue;
2975        }    /* End of loop for data lines */
2976    
2977    CONTINUE:    CONTINUE:
2978    
2979    #if !defined NOPOSIX
2980    if (posix || do_posix) regfree(&preg);    if (posix || do_posix) regfree(&preg);
2981    if (re != NULL) free(re);  #endif
2982    if (extra != NULL) free(extra);  
2983    if (tables != NULL)    if (re != NULL) new_free(re);
2984      if (extra != NULL) new_free(extra);
2985      if (locale_set)
2986      {      {
2987      free((void *)tables);      new_free((void *)tables);
2988      setlocale(LC_CTYPE, "C");      setlocale(LC_CTYPE, "C");
2989        locale_set = 0;
2990      }      }
2991    }    }
2992    
2993  fprintf(outfile, "\n");  if (infile == stdin) fprintf(outfile, "\n");
2994  return 0;  
2995    EXIT:
2996    
2997    if (infile != NULL && infile != stdin) fclose(infile);
2998    if (outfile != NULL && outfile != stdout) fclose(outfile);
2999    
3000    free(buffer);
3001    free(dbuffer);
3002    free(pbuffer);
3003    free(offsets);
3004    
3005    return yield;
3006  }  }
3007    
3008  /* End */  /* End of pcretest.c */

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