/[pcre]/code/trunk/pcretest.c
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revision 25 by nigel, Sat Feb 24 21:38:45 2007 UTC revision 642 by ph10, Thu Jul 28 18:59:40 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      "nested recursion at the same subject position"
230    };
231    
232    
233    /*************************************************
234    *         Alternate character tables             *
235    *************************************************/
236    
237    /* By default, the "tables" pointer when calling PCRE is set to NULL, thereby
238    using the default tables of the library. However, the T option can be used to
239    select alternate sets of tables, for different kinds of testing. Note also that
240    the L (locale) option also adjusts the tables. */
241    
242    /* This is the set of tables distributed as default with PCRE. It recognizes
243    only ASCII characters. */
244    
245    static const unsigned char tables0[] = {
246    
247    /* This table is a lower casing table. */
248    
249        0,  1,  2,  3,  4,  5,  6,  7,
250        8,  9, 10, 11, 12, 13, 14, 15,
251       16, 17, 18, 19, 20, 21, 22, 23,
252       24, 25, 26, 27, 28, 29, 30, 31,
253       32, 33, 34, 35, 36, 37, 38, 39,
254       40, 41, 42, 43, 44, 45, 46, 47,
255       48, 49, 50, 51, 52, 53, 54, 55,
256       56, 57, 58, 59, 60, 61, 62, 63,
257       64, 97, 98, 99,100,101,102,103,
258      104,105,106,107,108,109,110,111,
259      112,113,114,115,116,117,118,119,
260      120,121,122, 91, 92, 93, 94, 95,
261       96, 97, 98, 99,100,101,102,103,
262      104,105,106,107,108,109,110,111,
263      112,113,114,115,116,117,118,119,
264      120,121,122,123,124,125,126,127,
265      128,129,130,131,132,133,134,135,
266      136,137,138,139,140,141,142,143,
267      144,145,146,147,148,149,150,151,
268      152,153,154,155,156,157,158,159,
269      160,161,162,163,164,165,166,167,
270      168,169,170,171,172,173,174,175,
271      176,177,178,179,180,181,182,183,
272      184,185,186,187,188,189,190,191,
273      192,193,194,195,196,197,198,199,
274      200,201,202,203,204,205,206,207,
275      208,209,210,211,212,213,214,215,
276      216,217,218,219,220,221,222,223,
277      224,225,226,227,228,229,230,231,
278      232,233,234,235,236,237,238,239,
279      240,241,242,243,244,245,246,247,
280      248,249,250,251,252,253,254,255,
281    
282    /* This table is a case flipping table. */
283    
284        0,  1,  2,  3,  4,  5,  6,  7,
285        8,  9, 10, 11, 12, 13, 14, 15,
286       16, 17, 18, 19, 20, 21, 22, 23,
287       24, 25, 26, 27, 28, 29, 30, 31,
288       32, 33, 34, 35, 36, 37, 38, 39,
289       40, 41, 42, 43, 44, 45, 46, 47,
290       48, 49, 50, 51, 52, 53, 54, 55,
291       56, 57, 58, 59, 60, 61, 62, 63,
292       64, 97, 98, 99,100,101,102,103,
293      104,105,106,107,108,109,110,111,
294      112,113,114,115,116,117,118,119,
295      120,121,122, 91, 92, 93, 94, 95,
296       96, 65, 66, 67, 68, 69, 70, 71,
297       72, 73, 74, 75, 76, 77, 78, 79,
298       80, 81, 82, 83, 84, 85, 86, 87,
299       88, 89, 90,123,124,125,126,127,
300      128,129,130,131,132,133,134,135,
301      136,137,138,139,140,141,142,143,
302      144,145,146,147,148,149,150,151,
303      152,153,154,155,156,157,158,159,
304      160,161,162,163,164,165,166,167,
305      168,169,170,171,172,173,174,175,
306      176,177,178,179,180,181,182,183,
307      184,185,186,187,188,189,190,191,
308      192,193,194,195,196,197,198,199,
309      200,201,202,203,204,205,206,207,
310      208,209,210,211,212,213,214,215,
311      216,217,218,219,220,221,222,223,
312      224,225,226,227,228,229,230,231,
313      232,233,234,235,236,237,238,239,
314      240,241,242,243,244,245,246,247,
315      248,249,250,251,252,253,254,255,
316    
317    /* This table contains bit maps for various character classes. Each map is 32
318    bytes long and the bits run from the least significant end of each byte. The
319    classes that have their own maps are: space, xdigit, digit, upper, lower, word,
320    graph, print, punct, and cntrl. Other classes are built from combinations. */
321    
322      0x00,0x3e,0x00,0x00,0x01,0x00,0x00,0x00,
323      0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
324      0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
325      0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
326    
327      0x00,0x00,0x00,0x00,0x00,0x00,0xff,0x03,
328      0x7e,0x00,0x00,0x00,0x7e,0x00,0x00,0x00,
329      0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
330      0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
331    
332      0x00,0x00,0x00,0x00,0x00,0x00,0xff,0x03,
333      0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
334      0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
335      0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
336    
337      0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
338      0xfe,0xff,0xff,0x07,0x00,0x00,0x00,0x00,
339      0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
340      0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
341    
342      0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
343      0x00,0x00,0x00,0x00,0xfe,0xff,0xff,0x07,
344      0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
345      0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
346    
347      0x00,0x00,0x00,0x00,0x00,0x00,0xff,0x03,
348      0xfe,0xff,0xff,0x87,0xfe,0xff,0xff,0x07,
349      0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
350      0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
351    
352      0x00,0x00,0x00,0x00,0xfe,0xff,0xff,0xff,
353      0xff,0xff,0xff,0xff,0xff,0xff,0xff,0x7f,
354      0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
355      0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
356    
357      0x00,0x00,0x00,0x00,0xff,0xff,0xff,0xff,
358      0xff,0xff,0xff,0xff,0xff,0xff,0xff,0x7f,
359      0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
360      0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
361    
362      0x00,0x00,0x00,0x00,0xfe,0xff,0x00,0xfc,
363      0x01,0x00,0x00,0xf8,0x01,0x00,0x00,0x78,
364      0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
365      0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
366    
367      0xff,0xff,0xff,0xff,0x00,0x00,0x00,0x00,
368      0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x80,
369      0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
370      0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
371    
372    /* This table identifies various classes of character by individual bits:
373      0x01   white space character
374      0x02   letter
375      0x04   decimal digit
376      0x08   hexadecimal digit
377      0x10   alphanumeric or '_'
378      0x80   regular expression metacharacter or binary zero
379    */
380    
381      0x80,0x00,0x00,0x00,0x00,0x00,0x00,0x00, /*   0-  7 */
382      0x00,0x01,0x01,0x00,0x01,0x01,0x00,0x00, /*   8- 15 */
383      0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, /*  16- 23 */
384      0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, /*  24- 31 */
385      0x01,0x00,0x00,0x00,0x80,0x00,0x00,0x00, /*    - '  */
386      0x80,0x80,0x80,0x80,0x00,0x00,0x80,0x00, /*  ( - /  */
387      0x1c,0x1c,0x1c,0x1c,0x1c,0x1c,0x1c,0x1c, /*  0 - 7  */
388      0x1c,0x1c,0x00,0x00,0x00,0x00,0x00,0x80, /*  8 - ?  */
389      0x00,0x1a,0x1a,0x1a,0x1a,0x1a,0x1a,0x12, /*  @ - G  */
390      0x12,0x12,0x12,0x12,0x12,0x12,0x12,0x12, /*  H - O  */
391      0x12,0x12,0x12,0x12,0x12,0x12,0x12,0x12, /*  P - W  */
392      0x12,0x12,0x12,0x80,0x80,0x00,0x80,0x10, /*  X - _  */
393      0x00,0x1a,0x1a,0x1a,0x1a,0x1a,0x1a,0x12, /*  ` - g  */
394      0x12,0x12,0x12,0x12,0x12,0x12,0x12,0x12, /*  h - o  */
395      0x12,0x12,0x12,0x12,0x12,0x12,0x12,0x12, /*  p - w  */
396      0x12,0x12,0x12,0x80,0x80,0x00,0x00,0x00, /*  x -127 */
397      0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, /* 128-135 */
398      0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, /* 136-143 */
399      0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, /* 144-151 */
400      0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, /* 152-159 */
401      0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, /* 160-167 */
402      0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, /* 168-175 */
403      0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, /* 176-183 */
404      0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, /* 184-191 */
405      0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, /* 192-199 */
406      0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, /* 200-207 */
407      0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, /* 208-215 */
408      0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, /* 216-223 */
409      0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, /* 224-231 */
410      0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, /* 232-239 */
411      0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, /* 240-247 */
412      0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00};/* 248-255 */
413    
414    /* This is a set of tables that came orginally from a Windows user. It seems to
415    be at least an approximation of ISO 8859. In particular, there are characters
416    greater than 128 that are marked as spaces, letters, etc. */
417    
418    static const unsigned char tables1[] = {
419    0,1,2,3,4,5,6,7,
420    8,9,10,11,12,13,14,15,
421    16,17,18,19,20,21,22,23,
422    24,25,26,27,28,29,30,31,
423    32,33,34,35,36,37,38,39,
424    40,41,42,43,44,45,46,47,
425    48,49,50,51,52,53,54,55,
426    56,57,58,59,60,61,62,63,
427    64,97,98,99,100,101,102,103,
428    104,105,106,107,108,109,110,111,
429    112,113,114,115,116,117,118,119,
430    120,121,122,91,92,93,94,95,
431    96,97,98,99,100,101,102,103,
432    104,105,106,107,108,109,110,111,
433    112,113,114,115,116,117,118,119,
434    120,121,122,123,124,125,126,127,
435    128,129,130,131,132,133,134,135,
436    136,137,138,139,140,141,142,143,
437    144,145,146,147,148,149,150,151,
438    152,153,154,155,156,157,158,159,
439    160,161,162,163,164,165,166,167,
440    168,169,170,171,172,173,174,175,
441    176,177,178,179,180,181,182,183,
442    184,185,186,187,188,189,190,191,
443    224,225,226,227,228,229,230,231,
444    232,233,234,235,236,237,238,239,
445    240,241,242,243,244,245,246,215,
446    248,249,250,251,252,253,254,223,
447    224,225,226,227,228,229,230,231,
448    232,233,234,235,236,237,238,239,
449    240,241,242,243,244,245,246,247,
450    248,249,250,251,252,253,254,255,
451    0,1,2,3,4,5,6,7,
452    8,9,10,11,12,13,14,15,
453    16,17,18,19,20,21,22,23,
454    24,25,26,27,28,29,30,31,
455    32,33,34,35,36,37,38,39,
456    40,41,42,43,44,45,46,47,
457    48,49,50,51,52,53,54,55,
458    56,57,58,59,60,61,62,63,
459    64,97,98,99,100,101,102,103,
460    104,105,106,107,108,109,110,111,
461    112,113,114,115,116,117,118,119,
462    120,121,122,91,92,93,94,95,
463    96,65,66,67,68,69,70,71,
464    72,73,74,75,76,77,78,79,
465    80,81,82,83,84,85,86,87,
466    88,89,90,123,124,125,126,127,
467    128,129,130,131,132,133,134,135,
468    136,137,138,139,140,141,142,143,
469    144,145,146,147,148,149,150,151,
470    152,153,154,155,156,157,158,159,
471    160,161,162,163,164,165,166,167,
472    168,169,170,171,172,173,174,175,
473    176,177,178,179,180,181,182,183,
474    184,185,186,187,188,189,190,191,
475    224,225,226,227,228,229,230,231,
476    232,233,234,235,236,237,238,239,
477    240,241,242,243,244,245,246,215,
478    248,249,250,251,252,253,254,223,
479    192,193,194,195,196,197,198,199,
480    200,201,202,203,204,205,206,207,
481    208,209,210,211,212,213,214,247,
482    216,217,218,219,220,221,222,255,
483    0,62,0,0,1,0,0,0,
484    0,0,0,0,0,0,0,0,
485    32,0,0,0,1,0,0,0,
486    0,0,0,0,0,0,0,0,
487    0,0,0,0,0,0,255,3,
488    126,0,0,0,126,0,0,0,
489    0,0,0,0,0,0,0,0,
490    0,0,0,0,0,0,0,0,
491    0,0,0,0,0,0,255,3,
492    0,0,0,0,0,0,0,0,
493    0,0,0,0,0,0,12,2,
494    0,0,0,0,0,0,0,0,
495    0,0,0,0,0,0,0,0,
496    254,255,255,7,0,0,0,0,
497    0,0,0,0,0,0,0,0,
498    255,255,127,127,0,0,0,0,
499    0,0,0,0,0,0,0,0,
500    0,0,0,0,254,255,255,7,
501    0,0,0,0,0,4,32,4,
502    0,0,0,128,255,255,127,255,
503    0,0,0,0,0,0,255,3,
504    254,255,255,135,254,255,255,7,
505    0,0,0,0,0,4,44,6,
506    255,255,127,255,255,255,127,255,
507    0,0,0,0,254,255,255,255,
508    255,255,255,255,255,255,255,127,
509    0,0,0,0,254,255,255,255,
510    255,255,255,255,255,255,255,255,
511    0,2,0,0,255,255,255,255,
512    255,255,255,255,255,255,255,127,
513    0,0,0,0,255,255,255,255,
514    255,255,255,255,255,255,255,255,
515    0,0,0,0,254,255,0,252,
516    1,0,0,248,1,0,0,120,
517    0,0,0,0,254,255,255,255,
518    0,0,128,0,0,0,128,0,
519    255,255,255,255,0,0,0,0,
520    0,0,0,0,0,0,0,128,
521    255,255,255,255,0,0,0,0,
522    0,0,0,0,0,0,0,0,
523    128,0,0,0,0,0,0,0,
524    0,1,1,0,1,1,0,0,
525    0,0,0,0,0,0,0,0,
526    0,0,0,0,0,0,0,0,
527    1,0,0,0,128,0,0,0,
528    128,128,128,128,0,0,128,0,
529    28,28,28,28,28,28,28,28,
530    28,28,0,0,0,0,0,128,
531    0,26,26,26,26,26,26,18,
532    18,18,18,18,18,18,18,18,
533    18,18,18,18,18,18,18,18,
534    18,18,18,128,128,0,128,16,
535    0,26,26,26,26,26,26,18,
536    18,18,18,18,18,18,18,18,
537    18,18,18,18,18,18,18,18,
538    18,18,18,128,128,0,0,0,
539    0,0,0,0,0,1,0,0,
540    0,0,0,0,0,0,0,0,
541    0,0,0,0,0,0,0,0,
542    0,0,0,0,0,0,0,0,
543    1,0,0,0,0,0,0,0,
544    0,0,18,0,0,0,0,0,
545    0,0,20,20,0,18,0,0,
546    0,20,18,0,0,0,0,0,
547    18,18,18,18,18,18,18,18,
548    18,18,18,18,18,18,18,18,
549    18,18,18,18,18,18,18,0,
550    18,18,18,18,18,18,18,18,
551    18,18,18,18,18,18,18,18,
552    18,18,18,18,18,18,18,18,
553    18,18,18,18,18,18,18,0,
554    18,18,18,18,18,18,18,18
555    };
556    
 /* Debugging function to print the internal form of the regex. This is the same  
 code as contained in pcre.c under the DEBUG macro. */  
557    
 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"  
 };  
558    
559    
560  static void print_internals(pcre *re, FILE *outfile)  #ifndef HAVE_STRERROR
561    /*************************************************
562    *     Provide strerror() for non-ANSI libraries  *
563    *************************************************/
564    
565    /* Some old-fashioned systems still around (e.g. SunOS4) don't have strerror()
566    in their libraries, but can provide the same facility by this simple
567    alternative function. */
568    
569    extern int   sys_nerr;
570    extern char *sys_errlist[];
571    
572    char *
573    strerror(int n)
574  {  {
575  unsigned char *code = ((real_pcre *)re)->code;  if (n < 0 || n >= sys_nerr) return "unknown error number";
576    return sys_errlist[n];
577    }
578    #endif /* HAVE_STRERROR */
579    
580    
581    
582    
583    /*************************************************
584    *        Read or extend an input line            *
585    *************************************************/
586    
587  fprintf(outfile, "------------------------------------------------------------------\n");  /* Input lines are read into buffer, but both patterns and data lines can be
588    continued over multiple input lines. In addition, if the buffer fills up, we
589    want to automatically expand it so as to be able to handle extremely large
590    lines that are needed for certain stress tests. When the input buffer is
591    expanded, the other two buffers must also be expanded likewise, and the
592    contents of pbuffer, which are a copy of the input for callouts, must be
593    preserved (for when expansion happens for a data line). This is not the most
594    optimal way of handling this, but hey, this is just a test program!
595    
596    Arguments:
597      f            the file to read
598      start        where in buffer to start (this *must* be within buffer)
599      prompt       for stdin or readline()
600    
601    Returns:       pointer to the start of new data
602                   could be a copy of start, or could be moved
603                   NULL if no data read and EOF reached
604    */
605    
606  for(;;)  static uschar *
607    extend_inputline(FILE *f, uschar *start, const char *prompt)
608    {
609    uschar *here = start;
610    
611    for (;;)
612    {    {
613    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;  
614    
615          case OP_CRRANGE:    if (rlen > 1000)
616          case OP_CRMINRANGE:      {
617          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;  
618    
619          default:      /* If libreadline support is required, use readline() to read a line if the
620          code--;      input is a terminal. Note that readline() removes the trailing newline, so
621          }      we must put it back again, to be compatible with fgets(). */
622    
623    #ifdef SUPPORT_LIBREADLINE
624        if (isatty(fileno(f)))
625          {
626          size_t len;
627          char *s = readline(prompt);
628          if (s == NULL) return (here == start)? NULL : start;
629          len = strlen(s);
630          if (len > 0) add_history(s);
631          if (len > rlen - 1) len = rlen - 1;
632          memcpy(here, s, len);
633          here[len] = '\n';
634          here[len+1] = 0;
635          free(s);
636        }        }
637      break;      else
638    #endif
639    
640        /* Read the next line by normal means, prompting if the file is stdin. */
641    
642      /* Anything else is just a one-node item */        {
643          if (f == stdin) printf("%s", prompt);
644          if (fgets((char *)here, rlen,  f) == NULL)
645            return (here == start)? NULL : start;
646          }
647    
648      default:      dlen = (int)strlen((char *)here);
649      fprintf(outfile, "    %s", OP_names[*code]);      if (dlen > 0 && here[dlen - 1] == '\n') return start;
650      break;      here += dlen;
651      }      }
652    
653    code++;    else
654    fprintf(outfile, "\n");      {
655        int new_buffer_size = 2*buffer_size;
656        uschar *new_buffer = (unsigned char *)malloc(new_buffer_size);
657        uschar *new_dbuffer = (unsigned char *)malloc(new_buffer_size);
658        uschar *new_pbuffer = (unsigned char *)malloc(new_buffer_size);
659    
660        if (new_buffer == NULL || new_dbuffer == NULL || new_pbuffer == NULL)
661          {
662          fprintf(stderr, "pcretest: malloc(%d) failed\n", new_buffer_size);
663          exit(1);
664          }
665    
666        memcpy(new_buffer, buffer, buffer_size);
667        memcpy(new_pbuffer, pbuffer, buffer_size);
668    
669        buffer_size = new_buffer_size;
670    
671        start = new_buffer + (start - buffer);
672        here = new_buffer + (here - buffer);
673    
674        free(buffer);
675        free(dbuffer);
676        free(pbuffer);
677    
678        buffer = new_buffer;
679        dbuffer = new_dbuffer;
680        pbuffer = new_pbuffer;
681        }
682    }    }
683    
684    return NULL;  /* Control never gets here */
685  }  }
686    
687    
688    
 /* Character string printing function. */  
689    
690  static void pchars(unsigned char *p, int length)  
691    
692    
693    /*************************************************
694    *          Read number from string               *
695    *************************************************/
696    
697    /* We don't use strtoul() because SunOS4 doesn't have it. Rather than mess
698    around with conditional compilation, just do the job by hand. It is only used
699    for unpicking arguments, so just keep it simple.
700    
701    Arguments:
702      str           string to be converted
703      endptr        where to put the end pointer
704    
705    Returns:        the unsigned long
706    */
707    
708    static int
709    get_value(unsigned char *str, unsigned char **endptr)
710  {  {
711  int c;  int result = 0;
712    while(*str != 0 && isspace(*str)) str++;
713    while (isdigit(*str)) result = result * 10 + (int)(*str++ - '0');
714    *endptr = str;
715    return(result);
716    }
717    
718    
719    
720    
721    /*************************************************
722    *            Convert UTF-8 string to value       *
723    *************************************************/
724    
725    /* This function takes one or more bytes that represents a UTF-8 character,
726    and returns the value of the character.
727    
728    Argument:
729      utf8bytes   a pointer to the byte vector
730      vptr        a pointer to an int to receive the value
731    
732    Returns:      >  0 => the number of bytes consumed
733                  -6 to 0 => malformed UTF-8 character at offset = (-return)
734    */
735    
736    #if !defined NOUTF8
737    
738    static int
739    utf82ord(unsigned char *utf8bytes, int *vptr)
740    {
741    int c = *utf8bytes++;
742    int d = c;
743    int i, j, s;
744    
745    for (i = -1; i < 6; i++)               /* i is number of additional bytes */
746      {
747      if ((d & 0x80) == 0) break;
748      d <<= 1;
749      }
750    
751    if (i == -1) { *vptr = c; return 1; }  /* ascii character */
752    if (i == 0 || i == 6) return 0;        /* invalid UTF-8 */
753    
754    /* i now has a value in the range 1-5 */
755    
756    s = 6*i;
757    d = (c & utf8_table3[i]) << s;
758    
759    for (j = 0; j < i; j++)
760      {
761      c = *utf8bytes++;
762      if ((c & 0xc0) != 0x80) return -(j+1);
763      s -= 6;
764      d |= (c & 0x3f) << s;
765      }
766    
767    /* Check that encoding was the correct unique one */
768    
769    for (j = 0; j < utf8_table1_size; j++)
770      if (d <= utf8_table1[j]) break;
771    if (j != i) return -(i+1);
772    
773    /* Valid value */
774    
775    *vptr = d;
776    return i+1;
777    }
778    
779    #endif
780    
781    
782    
783    /*************************************************
784    *       Convert character value to UTF-8         *
785    *************************************************/
786    
787    /* This function takes an integer value in the range 0 - 0x7fffffff
788    and encodes it as a UTF-8 character in 0 to 6 bytes.
789    
790    Arguments:
791      cvalue     the character value
792      utf8bytes  pointer to buffer for result - at least 6 bytes long
793    
794    Returns:     number of characters placed in the buffer
795    */
796    
797    #if !defined NOUTF8
798    
799    static int
800    ord2utf8(int cvalue, uschar *utf8bytes)
801    {
802    register int i, j;
803    for (i = 0; i < utf8_table1_size; i++)
804      if (cvalue <= utf8_table1[i]) break;
805    utf8bytes += i;
806    for (j = i; j > 0; j--)
807     {
808     *utf8bytes-- = 0x80 | (cvalue & 0x3f);
809     cvalue >>= 6;
810     }
811    *utf8bytes = utf8_table2[i] | cvalue;
812    return i + 1;
813    }
814    
815    #endif
816    
817    
818    
819    /*************************************************
820    *             Print character string             *
821    *************************************************/
822    
823    /* Character string printing function. Must handle UTF-8 strings in utf8
824    mode. Yields number of characters printed. If handed a NULL file, just counts
825    chars without printing. */
826    
827    static int pchars(unsigned char *p, int length, FILE *f)
828    {
829    int c = 0;
830    int yield = 0;
831    
832  while (length-- > 0)  while (length-- > 0)
833    if (isprint(c = *(p++))) fprintf(outfile, "%c", c);    {
834      else fprintf(outfile, "\\x%02x", c);  #if !defined NOUTF8
835      if (use_utf8)
836        {
837        int rc = utf82ord(p, &c);
838    
839        if (rc > 0 && rc <= length + 1)   /* Mustn't run over the end */
840          {
841          length -= rc - 1;
842          p += rc;
843          if (PRINTHEX(c))
844            {
845            if (f != NULL) fprintf(f, "%c", c);
846            yield++;
847            }
848          else
849            {
850            int n = 4;
851            if (f != NULL) fprintf(f, "\\x{%02x}", c);
852            yield += (n <= 0x000000ff)? 2 :
853                     (n <= 0x00000fff)? 3 :
854                     (n <= 0x0000ffff)? 4 :
855                     (n <= 0x000fffff)? 5 : 6;
856            }
857          continue;
858          }
859        }
860    #endif
861    
862       /* Not UTF-8, or malformed UTF-8  */
863    
864      c = *p++;
865      if (PRINTHEX(c))
866        {
867        if (f != NULL) fprintf(f, "%c", c);
868        yield++;
869        }
870      else
871        {
872        if (f != NULL) fprintf(f, "\\x%02x", c);
873        yield += 4;
874        }
875      }
876    
877    return yield;
878  }  }
879    
880    
881    
882    /*************************************************
883    *              Callout function                  *
884    *************************************************/
885    
886    /* Called from PCRE as a result of the (?C) item. We print out where we are in
887    the match. Yield zero unless more callouts than the fail count, or the callout
888    data is not zero. */
889    
890    static int callout(pcre_callout_block *cb)
891    {
892    FILE *f = (first_callout | callout_extra)? outfile : NULL;
893    int i, pre_start, post_start, subject_length;
894    
895    if (callout_extra)
896      {
897      fprintf(f, "Callout %d: last capture = %d\n",
898        cb->callout_number, cb->capture_last);
899    
900      for (i = 0; i < cb->capture_top * 2; i += 2)
901        {
902        if (cb->offset_vector[i] < 0)
903          fprintf(f, "%2d: <unset>\n", i/2);
904        else
905          {
906          fprintf(f, "%2d: ", i/2);
907          (void)pchars((unsigned char *)cb->subject + cb->offset_vector[i],
908            cb->offset_vector[i+1] - cb->offset_vector[i], f);
909          fprintf(f, "\n");
910          }
911        }
912      }
913    
914    /* Re-print the subject in canonical form, the first time or if giving full
915    datails. On subsequent calls in the same match, we use pchars just to find the
916    printed lengths of the substrings. */
917    
918    if (f != NULL) fprintf(f, "--->");
919    
920    pre_start = pchars((unsigned char *)cb->subject, cb->start_match, f);
921    post_start = pchars((unsigned char *)(cb->subject + cb->start_match),
922      cb->current_position - cb->start_match, f);
923    
924    subject_length = pchars((unsigned char *)cb->subject, cb->subject_length, NULL);
925    
926    (void)pchars((unsigned char *)(cb->subject + cb->current_position),
927      cb->subject_length - cb->current_position, f);
928    
929    if (f != NULL) fprintf(f, "\n");
930    
931    /* Always print appropriate indicators, with callout number if not already
932    shown. For automatic callouts, show the pattern offset. */
933    
934    if (cb->callout_number == 255)
935      {
936      fprintf(outfile, "%+3d ", cb->pattern_position);
937      if (cb->pattern_position > 99) fprintf(outfile, "\n    ");
938      }
939    else
940      {
941      if (callout_extra) fprintf(outfile, "    ");
942        else fprintf(outfile, "%3d ", cb->callout_number);
943      }
944    
945    for (i = 0; i < pre_start; i++) fprintf(outfile, " ");
946    fprintf(outfile, "^");
947    
948    if (post_start > 0)
949      {
950      for (i = 0; i < post_start - 1; i++) fprintf(outfile, " ");
951      fprintf(outfile, "^");
952      }
953    
954    for (i = 0; i < subject_length - pre_start - post_start + 4; i++)
955      fprintf(outfile, " ");
956    
957    fprintf(outfile, "%.*s", (cb->next_item_length == 0)? 1 : cb->next_item_length,
958      pbuffer + cb->pattern_position);
959    
960    fprintf(outfile, "\n");
961    first_callout = 0;
962    
963    if (cb->callout_data != NULL)
964      {
965      int callout_data = *((int *)(cb->callout_data));
966      if (callout_data != 0)
967        {
968        fprintf(outfile, "Callout data = %d\n", callout_data);
969        return callout_data;
970        }
971      }
972    
973    return (cb->callout_number != callout_fail_id)? 0 :
974           (++callout_count >= callout_fail_count)? 1 : 0;
975    }
976    
977    
978    /*************************************************
979    *            Local malloc functions              *
980    *************************************************/
981    
982  /* Alternative malloc function, to test functionality and show the size of the  /* Alternative malloc function, to test functionality and show the size of the
983  compiled re. */  compiled re. */
984    
985  static void *new_malloc(size_t size)  static void *new_malloc(size_t size)
986  {  {
987  if (log_store) fprintf(outfile, "Store size request: %d\n", (int)size);  void *block = malloc(size);
988  return malloc(size);  gotten_store = size;
989    if (show_malloc)
990      fprintf(outfile, "malloc       %3d %p\n", (int)size, block);
991    return block;
992    }
993    
994    static void new_free(void *block)
995    {
996    if (show_malloc)
997      fprintf(outfile, "free             %p\n", block);
998    free(block);
999    }
1000    
1001    
1002    /* For recursion malloc/free, to test stacking calls */
1003    
1004    static void *stack_malloc(size_t size)
1005    {
1006    void *block = malloc(size);
1007    if (show_malloc)
1008      fprintf(outfile, "stack_malloc %3d %p\n", (int)size, block);
1009    return block;
1010    }
1011    
1012    static void stack_free(void *block)
1013    {
1014    if (show_malloc)
1015      fprintf(outfile, "stack_free       %p\n", block);
1016    free(block);
1017    }
1018    
1019    
1020    /*************************************************
1021    *          Call pcre_fullinfo()                  *
1022    *************************************************/
1023    
1024    /* Get one piece of information from the pcre_fullinfo() function */
1025    
1026    static void new_info(pcre *re, pcre_extra *study, int option, void *ptr)
1027    {
1028    int rc;
1029    if ((rc = pcre_fullinfo(re, study, option, ptr)) < 0)
1030      fprintf(outfile, "Error %d from pcre_fullinfo(%d)\n", rc, option);
1031    }
1032    
1033    
1034    
1035    /*************************************************
1036    *         Byte flipping function                 *
1037    *************************************************/
1038    
1039    static unsigned long int
1040    byteflip(unsigned long int value, int n)
1041    {
1042    if (n == 2) return ((value & 0x00ff) << 8) | ((value & 0xff00) >> 8);
1043    return ((value & 0x000000ff) << 24) |
1044           ((value & 0x0000ff00) <<  8) |
1045           ((value & 0x00ff0000) >>  8) |
1046           ((value & 0xff000000) >> 24);
1047    }
1048    
1049    
1050    
1051    
1052    /*************************************************
1053    *        Check match or recursion limit          *
1054    *************************************************/
1055    
1056    static int
1057    check_match_limit(pcre *re, pcre_extra *extra, uschar *bptr, int len,
1058      int start_offset, int options, int *use_offsets, int use_size_offsets,
1059      int flag, unsigned long int *limit, int errnumber, const char *msg)
1060    {
1061    int count;
1062    int min = 0;
1063    int mid = 64;
1064    int max = -1;
1065    
1066    extra->flags |= flag;
1067    
1068    for (;;)
1069      {
1070      *limit = mid;
1071    
1072      count = pcre_exec(re, extra, (char *)bptr, len, start_offset, options,
1073        use_offsets, use_size_offsets);
1074    
1075      if (count == errnumber)
1076        {
1077        /* fprintf(outfile, "Testing %s limit = %d\n", msg, mid); */
1078        min = mid;
1079        mid = (mid == max - 1)? max : (max > 0)? (min + max)/2 : mid*2;
1080        }
1081    
1082      else if (count >= 0 || count == PCRE_ERROR_NOMATCH ||
1083                             count == PCRE_ERROR_PARTIAL)
1084        {
1085        if (mid == min + 1)
1086          {
1087          fprintf(outfile, "Minimum %s limit = %d\n", msg, mid);
1088          break;
1089          }
1090        /* fprintf(outfile, "Testing %s limit = %d\n", msg, mid); */
1091        max = mid;
1092        mid = (min + mid)/2;
1093        }
1094      else break;    /* Some other error */
1095      }
1096    
1097    extra->flags &= ~flag;
1098    return count;
1099    }
1100    
1101    
1102    
1103    /*************************************************
1104    *         Case-independent strncmp() function    *
1105    *************************************************/
1106    
1107    /*
1108    Arguments:
1109      s         first string
1110      t         second string
1111      n         number of characters to compare
1112    
1113    Returns:    < 0, = 0, or > 0, according to the comparison
1114    */
1115    
1116    static int
1117    strncmpic(uschar *s, uschar *t, int n)
1118    {
1119    while (n--)
1120      {
1121      int c = tolower(*s++) - tolower(*t++);
1122      if (c) return c;
1123      }
1124    return 0;
1125    }
1126    
1127    
1128    
1129    /*************************************************
1130    *         Check newline indicator                *
1131    *************************************************/
1132    
1133    /* This is used both at compile and run-time to check for <xxx> escapes. Print
1134    a message and return 0 if there is no match.
1135    
1136    Arguments:
1137      p           points after the leading '<'
1138      f           file for error message
1139    
1140    Returns:      appropriate PCRE_NEWLINE_xxx flags, or 0
1141    */
1142    
1143    static int
1144    check_newline(uschar *p, FILE *f)
1145    {
1146    if (strncmpic(p, (uschar *)"cr>", 3) == 0) return PCRE_NEWLINE_CR;
1147    if (strncmpic(p, (uschar *)"lf>", 3) == 0) return PCRE_NEWLINE_LF;
1148    if (strncmpic(p, (uschar *)"crlf>", 5) == 0) return PCRE_NEWLINE_CRLF;
1149    if (strncmpic(p, (uschar *)"anycrlf>", 8) == 0) return PCRE_NEWLINE_ANYCRLF;
1150    if (strncmpic(p, (uschar *)"any>", 4) == 0) return PCRE_NEWLINE_ANY;
1151    if (strncmpic(p, (uschar *)"bsr_anycrlf>", 12) == 0) return PCRE_BSR_ANYCRLF;
1152    if (strncmpic(p, (uschar *)"bsr_unicode>", 12) == 0) return PCRE_BSR_UNICODE;
1153    fprintf(f, "Unknown newline type at: <%s\n", p);
1154    return 0;
1155  }  }
1156    
1157    
1158    
1159    /*************************************************
1160    *             Usage function                     *
1161    *************************************************/
1162    
1163    static void
1164    usage(void)
1165    {
1166    printf("Usage:     pcretest [options] [<input file> [<output file>]]\n\n");
1167    printf("Input and output default to stdin and stdout.\n");
1168    #ifdef SUPPORT_LIBREADLINE
1169    printf("If input is a terminal, readline() is used to read from it.\n");
1170    #else
1171    printf("This version of pcretest is not linked with readline().\n");
1172    #endif
1173    printf("\nOptions:\n");
1174    printf("  -b       show compiled code (bytecode)\n");
1175    printf("  -C       show PCRE compile-time options and exit\n");
1176    printf("  -d       debug: show compiled code and information (-b and -i)\n");
1177    #if !defined NODFA
1178    printf("  -dfa     force DFA matching for all subjects\n");
1179    #endif
1180    printf("  -help    show usage information\n");
1181    printf("  -i       show information about compiled patterns\n"
1182           "  -M       find MATCH_LIMIT minimum for each subject\n"
1183           "  -m       output memory used information\n"
1184           "  -o <n>   set size of offsets vector to <n>\n");
1185    #if !defined NOPOSIX
1186    printf("  -p       use POSIX interface\n");
1187    #endif
1188    printf("  -q       quiet: do not output PCRE version number at start\n");
1189    printf("  -S <n>   set stack size to <n> megabytes\n");
1190    printf("  -s       force each pattern to be studied\n"
1191           "  -t       time compilation and execution\n");
1192    printf("  -t <n>   time compilation and execution, repeating <n> times\n");
1193    printf("  -tm      time execution (matching) only\n");
1194    printf("  -tm <n>  time execution (matching) only, repeating <n> times\n");
1195    }
1196    
1197    
1198    
1199    /*************************************************
1200    *                Main Program                    *
1201    *************************************************/
1202    
1203  /* 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
1204  consist of a regular expression, in delimiters and optionally followed by  consist of a regular expression, in delimiters and optionally followed by
1205  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 1209  int main(int argc, char **argv)
1209  FILE *infile = stdin;  FILE *infile = stdin;
1210  int options = 0;  int options = 0;
1211  int study_options = 0;  int study_options = 0;
1212    int default_find_match_limit = FALSE;
1213  int op = 1;  int op = 1;
1214  int timeit = 0;  int timeit = 0;
1215    int timeitm = 0;
1216  int showinfo = 0;  int showinfo = 0;
1217    int showstore = 0;
1218    int force_study = 0;
1219    int quiet = 0;
1220    int size_offsets = 45;
1221    int size_offsets_max;
1222    int *offsets = NULL;
1223    #if !defined NOPOSIX
1224  int posix = 0;  int posix = 0;
1225    #endif
1226  int debug = 0;  int debug = 0;
1227  int done = 0;  int done = 0;
1228  unsigned char buffer[30000];  int all_use_dfa = 0;
1229  unsigned char dbuffer[1024];  int yield = 0;
1230    int stack_size;
1231    
1232    /* These vectors store, end-to-end, a list of captured substring names. Assume
1233    that 1024 is plenty long enough for the few names we'll be testing. */
1234    
1235    uschar copynames[1024];
1236    uschar getnames[1024];
1237    
1238    uschar *copynamesptr;
1239    uschar *getnamesptr;
1240    
1241  /* Static so that new_malloc can use it. */  /* Get buffers from malloc() so that Electric Fence will check their misuse
1242    when I am debugging. They grow automatically when very long lines are read. */
1243    
1244    buffer = (unsigned char *)malloc(buffer_size);
1245    dbuffer = (unsigned char *)malloc(buffer_size);
1246    pbuffer = (unsigned char *)malloc(buffer_size);
1247    
1248    /* The outfile variable is static so that new_malloc can use it. */
1249    
1250  outfile = stdout;  outfile = stdout;
1251    
1252    /* The following  _setmode() stuff is some Windows magic that tells its runtime
1253    library to translate CRLF into a single LF character. At least, that's what
1254    I've been told: never having used Windows I take this all on trust. Originally
1255    it set 0x8000, but then I was advised that _O_BINARY was better. */
1256    
1257    #if defined(_WIN32) || defined(WIN32)
1258    _setmode( _fileno( stdout ), _O_BINARY );
1259    #endif
1260    
1261  /* Scan options */  /* Scan options */
1262    
1263  while (argc > 1 && argv[op][0] == '-')  while (argc > 1 && argv[op][0] == '-')
1264    {    {
1265    if (strcmp(argv[op], "-s") == 0) log_store = 1;    unsigned char *endptr;
1266    else if (strcmp(argv[op], "-t") == 0) timeit = 1;  
1267      if (strcmp(argv[op], "-m") == 0) showstore = 1;
1268      else if (strcmp(argv[op], "-s") == 0) force_study = 1;
1269      else if (strcmp(argv[op], "-q") == 0) quiet = 1;
1270      else if (strcmp(argv[op], "-b") == 0) debug = 1;
1271    else if (strcmp(argv[op], "-i") == 0) showinfo = 1;    else if (strcmp(argv[op], "-i") == 0) showinfo = 1;
1272    else if (strcmp(argv[op], "-d") == 0) showinfo = debug = 1;    else if (strcmp(argv[op], "-d") == 0) showinfo = debug = 1;
1273      else if (strcmp(argv[op], "-M") == 0) default_find_match_limit = TRUE;
1274    #if !defined NODFA
1275      else if (strcmp(argv[op], "-dfa") == 0) all_use_dfa = 1;
1276    #endif
1277      else if (strcmp(argv[op], "-o") == 0 && argc > 2 &&
1278          ((size_offsets = get_value((unsigned char *)argv[op+1], &endptr)),
1279            *endptr == 0))
1280        {
1281        op++;
1282        argc--;
1283        }
1284      else if (strcmp(argv[op], "-t") == 0 || strcmp(argv[op], "-tm") == 0)
1285        {
1286        int both = argv[op][2] == 0;
1287        int temp;
1288        if (argc > 2 && (temp = get_value((unsigned char *)argv[op+1], &endptr),
1289                         *endptr == 0))
1290          {
1291          timeitm = temp;
1292          op++;
1293          argc--;
1294          }
1295        else timeitm = LOOPREPEAT;
1296        if (both) timeit = timeitm;
1297        }
1298      else if (strcmp(argv[op], "-S") == 0 && argc > 2 &&
1299          ((stack_size = get_value((unsigned char *)argv[op+1], &endptr)),
1300            *endptr == 0))
1301        {
1302    #if defined(_WIN32) || defined(WIN32) || defined(__minix)
1303        printf("PCRE: -S not supported on this OS\n");
1304        exit(1);
1305    #else
1306        int rc;
1307        struct rlimit rlim;
1308        getrlimit(RLIMIT_STACK, &rlim);
1309        rlim.rlim_cur = stack_size * 1024 * 1024;
1310        rc = setrlimit(RLIMIT_STACK, &rlim);
1311        if (rc != 0)
1312          {
1313        printf("PCRE: setrlimit() failed with error %d\n", rc);
1314        exit(1);
1315          }
1316        op++;
1317        argc--;
1318    #endif
1319        }
1320    #if !defined NOPOSIX
1321    else if (strcmp(argv[op], "-p") == 0) posix = 1;    else if (strcmp(argv[op], "-p") == 0) posix = 1;
1322    #endif
1323      else if (strcmp(argv[op], "-C") == 0)
1324        {
1325        int rc;
1326        unsigned long int lrc;
1327        printf("PCRE version %s\n", pcre_version());
1328        printf("Compiled with\n");
1329        (void)pcre_config(PCRE_CONFIG_UTF8, &rc);
1330        printf("  %sUTF-8 support\n", rc? "" : "No ");
1331        (void)pcre_config(PCRE_CONFIG_UNICODE_PROPERTIES, &rc);
1332        printf("  %sUnicode properties support\n", rc? "" : "No ");
1333        (void)pcre_config(PCRE_CONFIG_NEWLINE, &rc);
1334        /* Note that these values are always the ASCII values, even
1335        in EBCDIC environments. CR is 13 and NL is 10. */
1336        printf("  Newline sequence is %s\n", (rc == 13)? "CR" :
1337          (rc == 10)? "LF" : (rc == (13<<8 | 10))? "CRLF" :
1338          (rc == -2)? "ANYCRLF" :
1339          (rc == -1)? "ANY" : "???");
1340        (void)pcre_config(PCRE_CONFIG_BSR, &rc);
1341        printf("  \\R matches %s\n", rc? "CR, LF, or CRLF only" :
1342                                         "all Unicode newlines");
1343        (void)pcre_config(PCRE_CONFIG_LINK_SIZE, &rc);
1344        printf("  Internal link size = %d\n", rc);
1345        (void)pcre_config(PCRE_CONFIG_POSIX_MALLOC_THRESHOLD, &rc);
1346        printf("  POSIX malloc threshold = %d\n", rc);
1347        (void)pcre_config(PCRE_CONFIG_MATCH_LIMIT, &lrc);
1348        printf("  Default match limit = %ld\n", lrc);
1349        (void)pcre_config(PCRE_CONFIG_MATCH_LIMIT_RECURSION, &lrc);
1350        printf("  Default recursion depth limit = %ld\n", lrc);
1351        (void)pcre_config(PCRE_CONFIG_STACKRECURSE, &rc);
1352        printf("  Match recursion uses %s\n", rc? "stack" : "heap");
1353        goto EXIT;
1354        }
1355      else if (strcmp(argv[op], "-help") == 0 ||
1356               strcmp(argv[op], "--help") == 0)
1357        {
1358        usage();
1359        goto EXIT;
1360        }
1361    else    else
1362      {      {
1363      printf("*** Unknown option %s\n", argv[op]);      printf("** Unknown or malformed option %s\n", argv[op]);
1364      printf("Usage: pcretest [-d] [-i] [-p] [-s] [-t] [<input> [<output>]]\n");      usage();
1365      printf("  -d   debug: show compiled code; implies -i\n"      yield = 1;
1366             "  -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;  
1367      }      }
1368    op++;    op++;
1369    argc--;    argc--;
1370    }    }
1371    
1372    /* Get the store for the offsets vector, and remember what it was */
1373    
1374    size_offsets_max = size_offsets;
1375    offsets = (int *)malloc(size_offsets_max * sizeof(int));
1376    if (offsets == NULL)
1377      {
1378      printf("** Failed to get %d bytes of memory for offsets vector\n",
1379        (int)(size_offsets_max * sizeof(int)));
1380      yield = 1;
1381      goto EXIT;
1382      }
1383    
1384  /* Sort out the input and output files */  /* Sort out the input and output files */
1385    
1386  if (argc > 1)  if (argc > 1)
1387    {    {
1388    infile = fopen(argv[op], "r");    infile = fopen(argv[op], INPUT_MODE);
1389    if (infile == NULL)    if (infile == NULL)
1390      {      {
1391      printf("** Failed to open %s\n", argv[op]);      printf("** Failed to open %s\n", argv[op]);
1392      return 1;      yield = 1;
1393        goto EXIT;
1394      }      }
1395    }    }
1396    
1397  if (argc > 2)  if (argc > 2)
1398    {    {
1399    outfile = fopen(argv[op+1], "w");    outfile = fopen(argv[op+1], OUTPUT_MODE);
1400    if (outfile == NULL)    if (outfile == NULL)
1401      {      {
1402      printf("** Failed to open %s\n", argv[op+1]);      printf("** Failed to open %s\n", argv[op+1]);
1403      return 1;      yield = 1;
1404        goto EXIT;
1405      }      }
1406    }    }
1407    
1408  /* Set alternative malloc function */  /* Set alternative malloc function */
1409    
1410  pcre_malloc = new_malloc;  pcre_malloc = new_malloc;
1411    pcre_free = new_free;
1412    pcre_stack_malloc = stack_malloc;
1413    pcre_stack_free = stack_free;
1414    
1415  /* Heading line, then prompt for first regex if stdin */  /* Heading line unless quiet, then prompt for first regex if stdin */
1416    
1417  fprintf(outfile, "PCRE version %s\n\n", pcre_version());  if (!quiet) fprintf(outfile, "PCRE version %s\n\n", pcre_version());
1418    
1419  /* Main loop */  /* Main loop */
1420    
# Line 362  while (!done) Line 1422  while (!done)
1422    {    {
1423    pcre *re = NULL;    pcre *re = NULL;
1424    pcre_extra *extra = NULL;    pcre_extra *extra = NULL;
1425    
1426    #if !defined NOPOSIX  /* There are still compilers that require no indent */
1427    regex_t preg;    regex_t preg;
1428      int do_posix = 0;
1429    #endif
1430    
1431    const char *error;    const char *error;
1432      unsigned char *markptr;
1433    unsigned char *p, *pp, *ppp;    unsigned char *p, *pp, *ppp;
1434    unsigned const char *tables = NULL;    unsigned char *to_file = NULL;
1435      const unsigned char *tables = NULL;
1436      unsigned long int true_size, true_study_size = 0;
1437      size_t size, regex_gotten_store;
1438      int do_allcaps = 0;
1439      int do_mark = 0;
1440    int do_study = 0;    int do_study = 0;
1441      int no_force_study = 0;
1442    int do_debug = debug;    int do_debug = debug;
1443      int do_G = 0;
1444      int do_g = 0;
1445    int do_showinfo = showinfo;    int do_showinfo = showinfo;
1446    int do_posix = 0;    int do_showrest = 0;
1447    int erroroffset, len, delimiter;    int do_showcaprest = 0;
1448      int do_flip = 0;
1449      int erroroffset, len, delimiter, poffset;
1450    
1451    if (infile == stdin) printf("  re> ");    use_utf8 = 0;
1452    if (fgets((char *)buffer, sizeof(buffer), infile) == NULL) break;    debug_lengths = 1;
1453    
1454      if (extend_inputline(infile, buffer, "  re> ") == NULL) break;
1455    if (infile != stdin) fprintf(outfile, "%s", (char *)buffer);    if (infile != stdin) fprintf(outfile, "%s", (char *)buffer);
1456      fflush(outfile);
1457    
1458    p = buffer;    p = buffer;
1459    while (isspace(*p)) p++;    while (isspace(*p)) p++;
1460    if (*p == 0) continue;    if (*p == 0) continue;
1461    
1462    /* 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. */
1463    complete, read more. */  
1464      if (*p == '<' && strchr((char *)(p+1), '<') == NULL)
1465        {
1466        unsigned long int magic, get_options;
1467        uschar sbuf[8];
1468        FILE *f;
1469    
1470        p++;
1471        pp = p + (int)strlen((char *)p);
1472        while (isspace(pp[-1])) pp--;
1473        *pp = 0;
1474    
1475        f = fopen((char *)p, "rb");
1476        if (f == NULL)
1477          {
1478          fprintf(outfile, "Failed to open %s: %s\n", p, strerror(errno));
1479          continue;
1480          }
1481    
1482        if (fread(sbuf, 1, 8, f) != 8) goto FAIL_READ;
1483    
1484        true_size =
1485          (sbuf[0] << 24) | (sbuf[1] << 16) | (sbuf[2] << 8) | sbuf[3];
1486        true_study_size =
1487          (sbuf[4] << 24) | (sbuf[5] << 16) | (sbuf[6] << 8) | sbuf[7];
1488    
1489        re = (real_pcre *)new_malloc(true_size);
1490        regex_gotten_store = gotten_store;
1491    
1492        if (fread(re, 1, true_size, f) != true_size) goto FAIL_READ;
1493    
1494        magic = ((real_pcre *)re)->magic_number;
1495        if (magic != MAGIC_NUMBER)
1496          {
1497          if (byteflip(magic, sizeof(magic)) == MAGIC_NUMBER)
1498            {
1499            do_flip = 1;
1500            }
1501          else
1502            {
1503            fprintf(outfile, "Data in %s is not a compiled PCRE regex\n", p);
1504            fclose(f);
1505            continue;
1506            }
1507          }
1508    
1509        fprintf(outfile, "Compiled pattern%s loaded from %s\n",
1510          do_flip? " (byte-inverted)" : "", p);
1511    
1512        /* Need to know if UTF-8 for printing data strings */
1513    
1514        new_info(re, NULL, PCRE_INFO_OPTIONS, &get_options);
1515        use_utf8 = (get_options & PCRE_UTF8) != 0;
1516    
1517        /* Now see if there is any following study data. */
1518    
1519        if (true_study_size != 0)
1520          {
1521          pcre_study_data *psd;
1522    
1523          extra = (pcre_extra *)new_malloc(sizeof(pcre_extra) + true_study_size);
1524          extra->flags = PCRE_EXTRA_STUDY_DATA;
1525    
1526          psd = (pcre_study_data *)(((char *)extra) + sizeof(pcre_extra));
1527          extra->study_data = psd;
1528    
1529          if (fread(psd, 1, true_study_size, f) != true_study_size)
1530            {
1531            FAIL_READ:
1532            fprintf(outfile, "Failed to read data from %s\n", p);
1533            if (extra != NULL) new_free(extra);
1534            if (re != NULL) new_free(re);
1535            fclose(f);
1536            continue;
1537            }
1538          fprintf(outfile, "Study data loaded from %s\n", p);
1539          do_study = 1;     /* To get the data output if requested */
1540          }
1541        else fprintf(outfile, "No study data\n");
1542    
1543        fclose(f);
1544        goto SHOW_INFO;
1545        }
1546    
1547      /* In-line pattern (the usual case). Get the delimiter and seek the end of
1548      the pattern; if is isn't complete, read more. */
1549    
1550    delimiter = *p++;    delimiter = *p++;
1551    
1552    if (isalnum(delimiter))    if (isalnum(delimiter) || delimiter == '\\')
1553      {      {
1554      fprintf(outfile, "** Delimiter must not be alphameric\n");      fprintf(outfile, "** Delimiter must not be alphanumeric or \\\n");
1555      goto SKIP_DATA;      goto SKIP_DATA;
1556      }      }
1557    
1558    pp = p;    pp = p;
1559      poffset = (int)(p - buffer);
1560    
1561    for(;;)    for(;;)
1562      {      {
1563      while (*pp != 0 && *pp != delimiter) pp++;      while (*pp != 0)
     if (*pp != 0) break;  
   
     len = sizeof(buffer) - (pp - buffer);  
     if (len < 256)  
1564        {        {
1565        fprintf(outfile, "** Expression too long - missing delimiter?\n");        if (*pp == '\\' && pp[1] != 0) pp++;
1566        goto SKIP_DATA;          else if (*pp == delimiter) break;
1567          pp++;
1568        }        }
1569        if (*pp != 0) break;
1570      if (infile == stdin) printf("    > ");      if ((pp = extend_inputline(infile, pp, "    > ")) == NULL)
     if (fgets((char *)pp, len, infile) == NULL)  
1571        {        {
1572        fprintf(outfile, "** Unexpected EOF\n");        fprintf(outfile, "** Unexpected EOF\n");
1573        done = 1;        done = 1;
# Line 415  while (!done) Line 1576  while (!done)
1576      if (infile != stdin) fprintf(outfile, "%s", (char *)pp);      if (infile != stdin) fprintf(outfile, "%s", (char *)pp);
1577      }      }
1578    
1579    /* Terminate the pattern at the delimiter */    /* The buffer may have moved while being extended; reset the start of data
1580      pointer to the correct relative point in the buffer. */
1581    
1582      p = buffer + poffset;
1583    
1584      /* If the first character after the delimiter is backslash, make
1585      the pattern end with backslash. This is purely to provide a way
1586      of testing for the error message when a pattern ends with backslash. */
1587    
1588      if (pp[1] == '\\') *pp++ = '\\';
1589    
1590      /* Terminate the pattern at the delimiter, and save a copy of the pattern
1591      for callouts. */
1592    
1593    *pp++ = 0;    *pp++ = 0;
1594      strcpy((char *)pbuffer, (char *)p);
1595    
1596    /* Look for options after final delimiter */    /* Look for options after final delimiter */
1597    
1598    options = 0;    options = 0;
1599    study_options = 0;    study_options = 0;
1600      log_store = showstore;  /* default from command line */
1601    
1602    while (*pp != 0)    while (*pp != 0)
1603      {      {
1604      switch (*pp++)      switch (*pp++)
1605        {        {
1606          case 'f': options |= PCRE_FIRSTLINE; break;
1607          case 'g': do_g = 1; break;
1608        case 'i': options |= PCRE_CASELESS; break;        case 'i': options |= PCRE_CASELESS; break;
1609        case 'm': options |= PCRE_MULTILINE; break;        case 'm': options |= PCRE_MULTILINE; break;
1610        case 's': options |= PCRE_DOTALL; break;        case 's': options |= PCRE_DOTALL; break;
1611        case 'x': options |= PCRE_EXTENDED; break;        case 'x': options |= PCRE_EXTENDED; break;
1612    
1613          case '+':
1614          if (do_showrest) do_showcaprest = 1; else do_showrest = 1;
1615          break;
1616    
1617          case '=': do_allcaps = 1; break;
1618        case 'A': options |= PCRE_ANCHORED; break;        case 'A': options |= PCRE_ANCHORED; break;
1619          case 'B': do_debug = 1; break;
1620          case 'C': options |= PCRE_AUTO_CALLOUT; break;
1621        case 'D': do_debug = do_showinfo = 1; break;        case 'D': do_debug = do_showinfo = 1; break;
1622        case 'E': options |= PCRE_DOLLAR_ENDONLY; break;        case 'E': options |= PCRE_DOLLAR_ENDONLY; break;
1623          case 'F': do_flip = 1; break;
1624          case 'G': do_G = 1; break;
1625        case 'I': do_showinfo = 1; break;        case 'I': do_showinfo = 1; break;
1626          case 'J': options |= PCRE_DUPNAMES; break;
1627          case 'K': do_mark = 1; break;
1628          case 'M': log_store = 1; break;
1629          case 'N': options |= PCRE_NO_AUTO_CAPTURE; break;
1630    
1631    #if !defined NOPOSIX
1632        case 'P': do_posix = 1; break;        case 'P': do_posix = 1; break;
1633        case 'S': do_study = 1; break;  #endif
1634    
1635          case 'S':
1636          if (do_study == 0) do_study = 1; else
1637            {
1638            do_study = 0;
1639            no_force_study = 1;
1640            }
1641          break;
1642    
1643        case 'U': options |= PCRE_UNGREEDY; break;        case 'U': options |= PCRE_UNGREEDY; break;
1644          case 'W': options |= PCRE_UCP; break;
1645        case 'X': options |= PCRE_EXTRA; break;        case 'X': options |= PCRE_EXTRA; break;
1646          case 'Y': options |= PCRE_NO_START_OPTIMISE; break;
1647          case 'Z': debug_lengths = 0; break;
1648          case '8': options |= PCRE_UTF8; use_utf8 = 1; break;
1649          case '?': options |= PCRE_NO_UTF8_CHECK; break;
1650    
1651          case 'T':
1652          switch (*pp++)
1653            {
1654            case '0': tables = tables0; break;
1655            case '1': tables = tables1; break;
1656    
1657            case '\r':
1658            case '\n':
1659            case ' ':
1660            case 0:
1661            fprintf(outfile, "** Missing table number after /T\n");
1662            goto SKIP_DATA;
1663    
1664            default:
1665            fprintf(outfile, "** Bad table number \"%c\" after /T\n", pp[-1]);
1666            goto SKIP_DATA;
1667            }
1668          break;
1669    
1670        case 'L':        case 'L':
1671        ppp = pp;        ppp = pp;
1672        while (*ppp != '\n' && *ppp != ' ') ppp++;        /* The '\r' test here is so that it works on Windows. */
1673          /* The '0' test is just in case this is an unterminated line. */
1674          while (*ppp != 0 && *ppp != '\n' && *ppp != '\r' && *ppp != ' ') ppp++;
1675        *ppp = 0;        *ppp = 0;
1676        if (setlocale(LC_CTYPE, (const char *)pp) == NULL)        if (setlocale(LC_CTYPE, (const char *)pp) == NULL)
1677          {          {
1678          fprintf(outfile, "** Failed to set locale \"%s\"\n", pp);          fprintf(outfile, "** Failed to set locale \"%s\"\n", pp);
1679          goto SKIP_DATA;          goto SKIP_DATA;
1680          }          }
1681          locale_set = 1;
1682        tables = pcre_maketables();        tables = pcre_maketables();
1683        pp = ppp;        pp = ppp;
1684        break;        break;
1685    
1686        case '\n': case ' ': break;        case '>':
1687          to_file = pp;
1688          while (*pp != 0) pp++;
1689          while (isspace(pp[-1])) pp--;
1690          *pp = 0;
1691          break;
1692    
1693          case '<':
1694            {
1695            if (strncmpic(pp, (uschar *)"JS>", 3) == 0)
1696              {
1697              options |= PCRE_JAVASCRIPT_COMPAT;
1698              pp += 3;
1699              }
1700            else
1701              {
1702              int x = check_newline(pp, outfile);
1703              if (x == 0) goto SKIP_DATA;
1704              options |= x;
1705              while (*pp++ != '>');
1706              }
1707            }
1708          break;
1709    
1710          case '\r':                      /* So that it works in Windows */
1711          case '\n':
1712          case ' ':
1713          break;
1714    
1715        default:        default:
1716        fprintf(outfile, "** Unknown option '%c'\n", pp[-1]);        fprintf(outfile, "** Unknown option '%c'\n", pp[-1]);
1717        goto SKIP_DATA;        goto SKIP_DATA;
# Line 465  while (!done) Line 1722  while (!done)
1722    timing, showing, or debugging options, nor the ability to pass over    timing, showing, or debugging options, nor the ability to pass over
1723    local character tables. */    local character tables. */
1724    
1725    #if !defined NOPOSIX
1726    if (posix || do_posix)    if (posix || do_posix)
1727      {      {
1728      int rc;      int rc;
1729      int cflags = 0;      int cflags = 0;
1730    
1731      if ((options & PCRE_CASELESS) != 0) cflags |= REG_ICASE;      if ((options & PCRE_CASELESS) != 0) cflags |= REG_ICASE;
1732      if ((options & PCRE_MULTILINE) != 0) cflags |= REG_NEWLINE;      if ((options & PCRE_MULTILINE) != 0) cflags |= REG_NEWLINE;
1733        if ((options & PCRE_DOTALL) != 0) cflags |= REG_DOTALL;
1734        if ((options & PCRE_NO_AUTO_CAPTURE) != 0) cflags |= REG_NOSUB;
1735        if ((options & PCRE_UTF8) != 0) cflags |= REG_UTF8;
1736        if ((options & PCRE_UCP) != 0) cflags |= REG_UCP;
1737        if ((options & PCRE_UNGREEDY) != 0) cflags |= REG_UNGREEDY;
1738    
1739      rc = regcomp(&preg, (char *)p, cflags);      rc = regcomp(&preg, (char *)p, cflags);
1740    
1741      /* 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 1743  while (!done)
1743    
1744      if (rc != 0)      if (rc != 0)
1745        {        {
1746        (void)regerror(rc, &preg, (char *)buffer, sizeof(buffer));        (void)regerror(rc, &preg, (char *)buffer, buffer_size);
1747        fprintf(outfile, "Failed: POSIX code %d: %s\n", rc, buffer);        fprintf(outfile, "Failed: POSIX code %d: %s\n", rc, buffer);
1748        goto SKIP_DATA;        goto SKIP_DATA;
1749        }        }
# Line 487  while (!done) Line 1752  while (!done)
1752    /* Handle compiling via the native interface */    /* Handle compiling via the native interface */
1753    
1754    else    else
1755    #endif  /* !defined NOPOSIX */
1756    
1757      {      {
1758      if (timeit)      unsigned long int get_options;
1759    
1760        if (timeit > 0)
1761        {        {
1762        register int i;        register int i;
1763        clock_t time_taken;        clock_t time_taken;
1764        clock_t start_time = clock();        clock_t start_time = clock();
1765        for (i = 0; i < LOOPREPEAT; i++)        for (i = 0; i < timeit; i++)
1766          {          {
1767          re = pcre_compile((char *)p, options, &error, &erroroffset, tables);          re = pcre_compile((char *)p, options, &error, &erroroffset, tables);
1768          if (re != NULL) free(re);          if (re != NULL) free(re);
1769          }          }
1770        time_taken = clock() - start_time;        time_taken = clock() - start_time;
1771        fprintf(outfile, "Compile time %.2f milliseconds\n",        fprintf(outfile, "Compile time %.4f milliseconds\n",
1772          ((double)time_taken)/(4 * CLOCKS_PER_SEC));          (((double)time_taken * 1000.0) / (double)timeit) /
1773              (double)CLOCKS_PER_SEC);
1774        }        }
1775    
1776      re = pcre_compile((char *)p, options, &error, &erroroffset, tables);      re = pcre_compile((char *)p, options, &error, &erroroffset, tables);
# Line 516  while (!done) Line 1786  while (!done)
1786          {          {
1787          for (;;)          for (;;)
1788            {            {
1789            if (fgets((char *)buffer, sizeof(buffer), infile) == NULL)            if (extend_inputline(infile, buffer, NULL) == NULL)
1790              {              {
1791              done = 1;              done = 1;
1792              goto CONTINUE;              goto CONTINUE;
# Line 530  while (!done) Line 1800  while (!done)
1800        goto CONTINUE;        goto CONTINUE;
1801        }        }
1802    
1803      /* Compilation succeeded; print data if required */      /* Compilation succeeded. It is now possible to set the UTF-8 option from
1804        within the regex; check for this so that we know how to process the data
1805        lines. */
1806    
1807        new_info(re, NULL, PCRE_INFO_OPTIONS, &get_options);
1808        if ((get_options & PCRE_UTF8) != 0) use_utf8 = 1;
1809    
1810        /* Print information if required. There are now two info-returning
1811        functions. The old one has a limited interface and returns only limited
1812        data. Check that it agrees with the newer one. */
1813    
1814        if (log_store)
1815          fprintf(outfile, "Memory allocation (code space): %d\n",
1816            (int)(gotten_store -
1817                  sizeof(real_pcre) -
1818                  ((real_pcre *)re)->name_count * ((real_pcre *)re)->name_entry_size));
1819    
1820        /* Extract the size for possible writing before possibly flipping it,
1821        and remember the store that was got. */
1822    
1823        true_size = ((real_pcre *)re)->size;
1824        regex_gotten_store = gotten_store;
1825    
1826        /* If -s or /S was present, study the regex to generate additional info to
1827        help with the matching, unless the pattern has the SS option, which
1828        suppresses the effect of /S (used for a few test patterns where studying is
1829        never sensible). */
1830    
1831      if (do_showinfo)      if (do_study || (force_study && !no_force_study))
1832          {
1833          if (timeit > 0)
1834            {
1835            register int i;
1836            clock_t time_taken;
1837            clock_t start_time = clock();
1838            for (i = 0; i < timeit; i++)
1839              extra = pcre_study(re, study_options, &error);
1840            time_taken = clock() - start_time;
1841            if (extra != NULL) free(extra);
1842            fprintf(outfile, "  Study time %.4f milliseconds\n",
1843              (((double)time_taken * 1000.0) / (double)timeit) /
1844                (double)CLOCKS_PER_SEC);
1845            }
1846          extra = pcre_study(re, study_options, &error);
1847          if (error != NULL)
1848            fprintf(outfile, "Failed to study: %s\n", error);
1849          else if (extra != NULL)
1850            true_study_size = ((pcre_study_data *)(extra->study_data))->size;
1851          }
1852    
1853        /* If /K was present, we set up for handling MARK data. */
1854    
1855        if (do_mark)
1856          {
1857          if (extra == NULL)
1858            {
1859            extra = (pcre_extra *)malloc(sizeof(pcre_extra));
1860            extra->flags = 0;
1861            }
1862          extra->mark = &markptr;
1863          extra->flags |= PCRE_EXTRA_MARK;
1864          }
1865    
1866        /* If the 'F' option was present, we flip the bytes of all the integer
1867        fields in the regex data block and the study block. This is to make it
1868        possible to test PCRE's handling of byte-flipped patterns, e.g. those
1869        compiled on a different architecture. */
1870    
1871        if (do_flip)
1872        {        {
1873        int first_char, count;        real_pcre *rre = (real_pcre *)re;
1874          rre->magic_number =
1875            byteflip(rre->magic_number, sizeof(rre->magic_number));
1876          rre->size = byteflip(rre->size, sizeof(rre->size));
1877          rre->options = byteflip(rre->options, sizeof(rre->options));
1878          rre->flags = (pcre_uint16)byteflip(rre->flags, sizeof(rre->flags));
1879          rre->top_bracket =
1880            (pcre_uint16)byteflip(rre->top_bracket, sizeof(rre->top_bracket));
1881          rre->top_backref =
1882            (pcre_uint16)byteflip(rre->top_backref, sizeof(rre->top_backref));
1883          rre->first_byte =
1884            (pcre_uint16)byteflip(rre->first_byte, sizeof(rre->first_byte));
1885          rre->req_byte =
1886            (pcre_uint16)byteflip(rre->req_byte, sizeof(rre->req_byte));
1887          rre->name_table_offset = (pcre_uint16)byteflip(rre->name_table_offset,
1888            sizeof(rre->name_table_offset));
1889          rre->name_entry_size = (pcre_uint16)byteflip(rre->name_entry_size,
1890            sizeof(rre->name_entry_size));
1891          rre->name_count = (pcre_uint16)byteflip(rre->name_count,
1892            sizeof(rre->name_count));
1893    
1894          if (extra != NULL)
1895            {
1896            pcre_study_data *rsd = (pcre_study_data *)(extra->study_data);
1897            rsd->size = byteflip(rsd->size, sizeof(rsd->size));
1898            rsd->flags = byteflip(rsd->flags, sizeof(rsd->flags));
1899            rsd->minlength = byteflip(rsd->minlength, sizeof(rsd->minlength));
1900            }
1901          }
1902    
1903        if (do_debug) print_internals(re, outfile);      /* Extract information from the compiled data if required */
1904    
1905        count = pcre_info(re, &options, &first_char);      SHOW_INFO:
1906    
1907        if (do_debug)
1908          {
1909          fprintf(outfile, "------------------------------------------------------------------\n");
1910          pcre_printint(re, outfile, debug_lengths);
1911          }
1912    
1913        /* We already have the options in get_options (see above) */
1914    
1915        if (do_showinfo)
1916          {
1917          unsigned long int all_options;
1918    #if !defined NOINFOCHECK
1919          int old_first_char, old_options, old_count;
1920    #endif
1921          int count, backrefmax, first_char, need_char, okpartial, jchanged,
1922            hascrorlf;
1923          int nameentrysize, namecount;
1924          const uschar *nametable;
1925    
1926          new_info(re, NULL, PCRE_INFO_SIZE, &size);
1927          new_info(re, NULL, PCRE_INFO_CAPTURECOUNT, &count);
1928          new_info(re, NULL, PCRE_INFO_BACKREFMAX, &backrefmax);
1929          new_info(re, NULL, PCRE_INFO_FIRSTBYTE, &first_char);
1930          new_info(re, NULL, PCRE_INFO_LASTLITERAL, &need_char);
1931          new_info(re, NULL, PCRE_INFO_NAMEENTRYSIZE, &nameentrysize);
1932          new_info(re, NULL, PCRE_INFO_NAMECOUNT, &namecount);
1933          new_info(re, NULL, PCRE_INFO_NAMETABLE, (void *)&nametable);
1934          new_info(re, NULL, PCRE_INFO_OKPARTIAL, &okpartial);
1935          new_info(re, NULL, PCRE_INFO_JCHANGED, &jchanged);
1936          new_info(re, NULL, PCRE_INFO_HASCRORLF, &hascrorlf);
1937    
1938    #if !defined NOINFOCHECK
1939          old_count = pcre_info(re, &old_options, &old_first_char);
1940        if (count < 0) fprintf(outfile,        if (count < 0) fprintf(outfile,
1941          "Error %d while reading info\n", count);          "Error %d from pcre_info()\n", count);
1942        else        else
1943          {          {
1944          fprintf(outfile, "Identifying subpattern count = %d\n", count);          if (old_count != count) fprintf(outfile,
1945          if (options == 0) fprintf(outfile, "No options\n");            "Count disagreement: pcre_fullinfo=%d pcre_info=%d\n", count,
1946            else fprintf(outfile, "Options:%s%s%s%s%s%s%s%s\n",              old_count);
1947              ((options & PCRE_ANCHORED) != 0)? " anchored" : "",  
1948              ((options & PCRE_CASELESS) != 0)? " caseless" : "",          if (old_first_char != first_char) fprintf(outfile,
1949              ((options & PCRE_EXTENDED) != 0)? " extended" : "",            "First char disagreement: pcre_fullinfo=%d pcre_info=%d\n",
1950              ((options & PCRE_MULTILINE) != 0)? " multiline" : "",              first_char, old_first_char);
1951              ((options & PCRE_DOTALL) != 0)? " dotall" : "",  
1952              ((options & PCRE_DOLLAR_ENDONLY) != 0)? " dollar_endonly" : "",          if (old_options != (int)get_options) fprintf(outfile,
1953              ((options & PCRE_EXTRA) != 0)? " extra" : "",            "Options disagreement: pcre_fullinfo=%ld pcre_info=%d\n",
1954              ((options & PCRE_UNGREEDY) != 0)? " ungreedy" : "");              get_options, old_options);
1955          if (first_char == -1)          }
1956            {  #endif
1957            fprintf(outfile, "First char at start or follows \\n\n");  
1958            }        if (size != regex_gotten_store) fprintf(outfile,
1959          else if (first_char < 0)          "Size disagreement: pcre_fullinfo=%d call to malloc for %d\n",
1960            (int)size, (int)regex_gotten_store);
1961    
1962          fprintf(outfile, "Capturing subpattern count = %d\n", count);
1963          if (backrefmax > 0)
1964            fprintf(outfile, "Max back reference = %d\n", backrefmax);
1965    
1966          if (namecount > 0)
1967            {
1968            fprintf(outfile, "Named capturing subpatterns:\n");
1969            while (namecount-- > 0)
1970            {            {
1971            fprintf(outfile, "No first char\n");            fprintf(outfile, "  %s %*s%3d\n", nametable + 2,
1972                nameentrysize - 3 - (int)strlen((char *)nametable + 2), "",
1973                GET2(nametable, 0));
1974              nametable += nameentrysize;
1975            }            }
1976            }
1977    
1978          if (!okpartial) fprintf(outfile, "Partial matching not supported\n");
1979          if (hascrorlf) fprintf(outfile, "Contains explicit CR or LF match\n");
1980    
1981          all_options = ((real_pcre *)re)->options;
1982          if (do_flip) all_options = byteflip(all_options, sizeof(all_options));
1983    
1984          if (get_options == 0) fprintf(outfile, "No options\n");
1985            else fprintf(outfile, "Options:%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s\n",
1986              ((get_options & PCRE_ANCHORED) != 0)? " anchored" : "",
1987              ((get_options & PCRE_CASELESS) != 0)? " caseless" : "",
1988              ((get_options & PCRE_EXTENDED) != 0)? " extended" : "",
1989              ((get_options & PCRE_MULTILINE) != 0)? " multiline" : "",
1990              ((get_options & PCRE_FIRSTLINE) != 0)? " firstline" : "",
1991              ((get_options & PCRE_DOTALL) != 0)? " dotall" : "",
1992              ((get_options & PCRE_BSR_ANYCRLF) != 0)? " bsr_anycrlf" : "",
1993              ((get_options & PCRE_BSR_UNICODE) != 0)? " bsr_unicode" : "",
1994              ((get_options & PCRE_DOLLAR_ENDONLY) != 0)? " dollar_endonly" : "",
1995              ((get_options & PCRE_EXTRA) != 0)? " extra" : "",
1996              ((get_options & PCRE_UNGREEDY) != 0)? " ungreedy" : "",
1997              ((get_options & PCRE_NO_AUTO_CAPTURE) != 0)? " no_auto_capture" : "",
1998              ((get_options & PCRE_UTF8) != 0)? " utf8" : "",
1999              ((get_options & PCRE_UCP) != 0)? " ucp" : "",
2000              ((get_options & PCRE_NO_UTF8_CHECK) != 0)? " no_utf8_check" : "",
2001              ((get_options & PCRE_NO_START_OPTIMIZE) != 0)? " no_start_optimize" : "",
2002              ((get_options & PCRE_DUPNAMES) != 0)? " dupnames" : "");
2003    
2004          if (jchanged) fprintf(outfile, "Duplicate name status changes\n");
2005    
2006          switch (get_options & PCRE_NEWLINE_BITS)
2007            {
2008            case PCRE_NEWLINE_CR:
2009            fprintf(outfile, "Forced newline sequence: CR\n");
2010            break;
2011    
2012            case PCRE_NEWLINE_LF:
2013            fprintf(outfile, "Forced newline sequence: LF\n");
2014            break;
2015    
2016            case PCRE_NEWLINE_CRLF:
2017            fprintf(outfile, "Forced newline sequence: CRLF\n");
2018            break;
2019    
2020            case PCRE_NEWLINE_ANYCRLF:
2021            fprintf(outfile, "Forced newline sequence: ANYCRLF\n");
2022            break;
2023    
2024            case PCRE_NEWLINE_ANY:
2025            fprintf(outfile, "Forced newline sequence: ANY\n");
2026            break;
2027    
2028            default:
2029            break;
2030            }
2031    
2032          if (first_char == -1)
2033            {
2034            fprintf(outfile, "First char at start or follows newline\n");
2035            }
2036          else if (first_char < 0)
2037            {
2038            fprintf(outfile, "No first char\n");
2039            }
2040          else
2041            {
2042            int ch = first_char & 255;
2043            const char *caseless = ((first_char & REQ_CASELESS) == 0)?
2044              "" : " (caseless)";
2045            if (PRINTHEX(ch))
2046              fprintf(outfile, "First char = \'%c\'%s\n", ch, caseless);
2047            else
2048              fprintf(outfile, "First char = %d%s\n", ch, caseless);
2049            }
2050    
2051          if (need_char < 0)
2052            {
2053            fprintf(outfile, "No need char\n");
2054            }
2055          else
2056            {
2057            int ch = need_char & 255;
2058            const char *caseless = ((need_char & REQ_CASELESS) == 0)?
2059              "" : " (caseless)";
2060            if (PRINTHEX(ch))
2061              fprintf(outfile, "Need char = \'%c\'%s\n", ch, caseless);
2062            else
2063              fprintf(outfile, "Need char = %d%s\n", ch, caseless);
2064            }
2065    
2066          /* Don't output study size; at present it is in any case a fixed
2067          value, but it varies, depending on the computer architecture, and
2068          so messes up the test suite. (And with the /F option, it might be
2069          flipped.) If study was forced by an external -s, don't show this
2070          information unless -i or -d was also present. This means that, except
2071          when auto-callouts are involved, the output from runs with and without
2072          -s should be identical. */
2073    
2074          if (do_study || (force_study && showinfo && !no_force_study))
2075            {
2076            if (extra == NULL)
2077              fprintf(outfile, "Study returned NULL\n");
2078          else          else
2079            {            {
2080            if (isprint(first_char))            uschar *start_bits = NULL;
2081              fprintf(outfile, "First char = \'%c\'\n", first_char);            int minlength;
2082    
2083              new_info(re, extra, PCRE_INFO_MINLENGTH, &minlength);
2084              fprintf(outfile, "Subject length lower bound = %d\n", minlength);
2085    
2086              new_info(re, extra, PCRE_INFO_FIRSTTABLE, &start_bits);
2087              if (start_bits == NULL)
2088                fprintf(outfile, "No set of starting bytes\n");
2089            else            else
2090              fprintf(outfile, "First char = %d\n", first_char);              {
2091                int i;
2092                int c = 24;
2093                fprintf(outfile, "Starting byte set: ");
2094                for (i = 0; i < 256; i++)
2095                  {
2096                  if ((start_bits[i/8] & (1<<(i&7))) != 0)
2097                    {
2098                    if (c > 75)
2099                      {
2100                      fprintf(outfile, "\n  ");
2101                      c = 2;
2102                      }
2103                    if (PRINTHEX(i) && i != ' ')
2104                      {
2105                      fprintf(outfile, "%c ", i);
2106                      c += 2;
2107                      }
2108                    else
2109                      {
2110                      fprintf(outfile, "\\x%02x ", i);
2111                      c += 5;
2112                      }
2113                    }
2114                  }
2115                fprintf(outfile, "\n");
2116                }
2117            }            }
2118          }          }
2119        }        }
2120    
2121      /* 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
2122      help with the matching. */      that is all. The first 8 bytes of the file are the regex length and then
2123        the study length, in big-endian order. */
2124    
2125      if (do_study)      if (to_file != NULL)
2126        {        {
2127        if (timeit)        FILE *f = fopen((char *)to_file, "wb");
2128          {        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)  
2129          {          {
2130          real_pcre_extra *xx = (real_pcre_extra *)extra;          fprintf(outfile, "Unable to open %s: %s\n", to_file, strerror(errno));
2131          if ((xx->options & PCRE_STUDY_MAPPED) == 0)          }
2132            fprintf(outfile, "No starting character set\n");        else
2133            {
2134            uschar sbuf[8];
2135            sbuf[0] = (uschar)((true_size >> 24) & 255);
2136            sbuf[1] = (uschar)((true_size >> 16) & 255);
2137            sbuf[2] = (uschar)((true_size >>  8) & 255);
2138            sbuf[3] = (uschar)((true_size) & 255);
2139    
2140            sbuf[4] = (uschar)((true_study_size >> 24) & 255);
2141            sbuf[5] = (uschar)((true_study_size >> 16) & 255);
2142            sbuf[6] = (uschar)((true_study_size >>  8) & 255);
2143            sbuf[7] = (uschar)((true_study_size) & 255);
2144    
2145            if (fwrite(sbuf, 1, 8, f) < 8 ||
2146                fwrite(re, 1, true_size, f) < true_size)
2147              {
2148              fprintf(outfile, "Write error on %s: %s\n", to_file, strerror(errno));
2149              }
2150          else          else
2151            {            {
2152            int i;            fprintf(outfile, "Compiled pattern written to %s\n", to_file);
2153            int c = 24;  
2154            fprintf(outfile, "Starting character set: ");            /* If there is study data, write it, but verify the writing only
2155            for (i = 0; i < 256; i++)            if the studying was requested by /S, not just by -s. */
2156    
2157              if (extra != NULL)
2158              {              {
2159              if ((xx->start_bits[i/8] & (1<<(i%8))) != 0)              if (fwrite(extra->study_data, 1, true_study_size, f) <
2160                    true_study_size)
2161                {                {
2162                if (c > 75)                fprintf(outfile, "Write error on %s: %s\n", to_file,
2163                  {                  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;  
                 }  
2164                }                }
2165                else fprintf(outfile, "Study data written to %s\n", to_file);
2166              }              }
           fprintf(outfile, "\n");  
2167            }            }
2168            fclose(f);
2169            }
2170    
2171          new_free(re);
2172          if (extra != NULL) new_free(extra);
2173          if (locale_set)
2174            {
2175            new_free((void *)tables);
2176            setlocale(LC_CTYPE, "C");
2177            locale_set = 0;
2178          }          }
2179          continue;  /* With next regex */
2180        }        }
2181      }      }        /* End of non-POSIX compile */
2182    
2183    /* Read data lines and test them */    /* Read data lines and test them */
2184    
2185    for (;;)    for (;;)
2186      {      {
2187      unsigned char *q;      uschar *q;
2188        uschar *bptr;
2189        int *use_offsets = offsets;
2190        int use_size_offsets = size_offsets;
2191        int callout_data = 0;
2192        int callout_data_set = 0;
2193      int count, c;      int count, c;
2194      int offsets[45];      int copystrings = 0;
2195      int size_offsets = sizeof(offsets)/sizeof(int);      int find_match_limit = default_find_match_limit;
2196        int getstrings = 0;
2197        int getlist = 0;
2198        int gmatched = 0;
2199        int start_offset = 0;
2200        int start_offset_sign = 1;
2201        int g_notempty = 0;
2202        int use_dfa = 0;
2203    
2204      options = 0;      options = 0;
2205    
2206      if (infile == stdin) printf("  data> ");      *copynames = 0;
2207      if (fgets((char *)buffer, sizeof(buffer), infile) == NULL)      *getnames = 0;
2208    
2209        copynamesptr = copynames;
2210        getnamesptr = getnames;
2211    
2212        pcre_callout = callout;
2213        first_callout = 1;
2214        callout_extra = 0;
2215        callout_count = 0;
2216        callout_fail_count = 999999;
2217        callout_fail_id = -1;
2218        show_malloc = 0;
2219    
2220        if (extra != NULL) extra->flags &=
2221          ~(PCRE_EXTRA_MATCH_LIMIT|PCRE_EXTRA_MATCH_LIMIT_RECURSION);
2222    
2223        len = 0;
2224        for (;;)
2225        {        {
2226        done = 1;        if (extend_inputline(infile, buffer + len, "data> ") == NULL)
2227        goto CONTINUE;          {
2228            if (len > 0)    /* Reached EOF without hitting a newline */
2229              {
2230              fprintf(outfile, "\n");
2231              break;
2232              }
2233            done = 1;
2234            goto CONTINUE;
2235            }
2236          if (infile != stdin) fprintf(outfile, "%s", (char *)buffer);
2237          len = (int)strlen((char *)buffer);
2238          if (buffer[len-1] == '\n') break;
2239        }        }
     if (infile != stdin) fprintf(outfile, "%s", (char *)buffer);  
2240    
     len = (int)strlen((char *)buffer);  
2241      while (len > 0 && isspace(buffer[len-1])) len--;      while (len > 0 && isspace(buffer[len-1])) len--;
2242      buffer[len] = 0;      buffer[len] = 0;
2243      if (len == 0) break;      if (len == 0) break;
# Line 663  while (!done) Line 2245  while (!done)
2245      p = buffer;      p = buffer;
2246      while (isspace(*p)) p++;      while (isspace(*p)) p++;
2247    
2248      q = dbuffer;      bptr = q = dbuffer;
2249      while ((c = *p++) != 0)      while ((c = *p++) != 0)
2250        {        {
2251        int i = 0;        int i = 0;
2252        int n = 0;        int n = 0;
2253    
2254        if (c == '\\') switch ((c = *p++))        if (c == '\\') switch ((c = *p++))
2255          {          {
2256          case 'a': c =    7; break;          case 'a': c =    7; break;
# Line 684  while (!done) Line 2267  while (!done)
2267          c -= '0';          c -= '0';
2268          while (i++ < 2 && isdigit(*p) && *p != '8' && *p != '9')          while (i++ < 2 && isdigit(*p) && *p != '8' && *p != '9')
2269            c = c * 8 + *p++ - '0';            c = c * 8 + *p++ - '0';
2270    
2271    #if !defined NOUTF8
2272            if (use_utf8 && c > 255)
2273              {
2274              unsigned char buff8[8];
2275              int ii, utn;
2276              utn = ord2utf8(c, buff8);
2277              for (ii = 0; ii < utn - 1; ii++) *q++ = buff8[ii];
2278              c = buff8[ii];   /* Last byte */
2279              }
2280    #endif
2281          break;          break;
2282    
2283          case 'x':          case 'x':
2284    
2285            /* Handle \x{..} specially - new Perl thing for utf8 */
2286    
2287    #if !defined NOUTF8
2288            if (*p == '{')
2289              {
2290              unsigned char *pt = p;
2291              c = 0;
2292              while (isxdigit(*(++pt)))
2293                c = c * 16 + tolower(*pt) - ((isdigit(*pt))? '0' : 'W');
2294              if (*pt == '}')
2295                {
2296                unsigned char buff8[8];
2297                int ii, utn;
2298                if (use_utf8)
2299                  {
2300                  utn = ord2utf8(c, buff8);
2301                  for (ii = 0; ii < utn - 1; ii++) *q++ = buff8[ii];
2302                  c = buff8[ii];   /* Last byte */
2303                  }
2304                else
2305                 {
2306                 if (c > 255)
2307                   fprintf(outfile, "** Character \\x{%x} is greater than 255 and "
2308                     "UTF-8 mode is not enabled.\n"
2309                     "** Truncation will probably give the wrong result.\n", c);
2310                 }
2311                p = pt + 1;
2312                break;
2313                }
2314              /* Not correct form; fall through */
2315              }
2316    #endif
2317    
2318            /* Ordinary \x */
2319    
2320          c = 0;          c = 0;
2321          while (i++ < 2 && isxdigit(*p))          while (i++ < 2 && isxdigit(*p))
2322            {            {
# Line 695  while (!done) Line 2325  while (!done)
2325            }            }
2326          break;          break;
2327    
2328          case 0:   /* Allows for an empty line */          case 0:   /* \ followed by EOF allows for an empty line */
2329          p--;          p--;
2330          continue;          continue;
2331    
2332            case '>':
2333            if (*p == '-')
2334              {
2335              start_offset_sign = -1;
2336              p++;
2337              }
2338            while(isdigit(*p)) start_offset = start_offset * 10 + *p++ - '0';
2339            start_offset *= start_offset_sign;
2340            continue;
2341    
2342          case 'A':  /* Option setting */          case 'A':  /* Option setting */
2343          options |= PCRE_ANCHORED;          options |= PCRE_ANCHORED;
2344          continue;          continue;
# Line 707  while (!done) Line 2347  while (!done)
2347          options |= PCRE_NOTBOL;          options |= PCRE_NOTBOL;
2348          continue;          continue;
2349    
2350            case 'C':
2351            if (isdigit(*p))    /* Set copy string */
2352              {
2353              while(isdigit(*p)) n = n * 10 + *p++ - '0';
2354              copystrings |= 1 << n;
2355              }
2356            else if (isalnum(*p))
2357              {
2358              uschar *npp = copynamesptr;
2359              while (isalnum(*p)) *npp++ = *p++;
2360              *npp++ = 0;
2361              *npp = 0;
2362              n = pcre_get_stringnumber(re, (char *)copynamesptr);
2363              if (n < 0)
2364                fprintf(outfile, "no parentheses with name \"%s\"\n", copynamesptr);
2365              copynamesptr = npp;
2366              }
2367            else if (*p == '+')
2368              {
2369              callout_extra = 1;
2370              p++;
2371              }
2372            else if (*p == '-')
2373              {
2374              pcre_callout = NULL;
2375              p++;
2376              }
2377            else if (*p == '!')
2378              {
2379              callout_fail_id = 0;
2380              p++;
2381              while(isdigit(*p))
2382                callout_fail_id = callout_fail_id * 10 + *p++ - '0';
2383              callout_fail_count = 0;
2384              if (*p == '!')
2385                {
2386                p++;
2387                while(isdigit(*p))
2388                  callout_fail_count = callout_fail_count * 10 + *p++ - '0';
2389                }
2390              }
2391            else if (*p == '*')
2392              {
2393              int sign = 1;
2394              callout_data = 0;
2395              if (*(++p) == '-') { sign = -1; p++; }
2396              while(isdigit(*p))
2397                callout_data = callout_data * 10 + *p++ - '0';
2398              callout_data *= sign;
2399              callout_data_set = 1;
2400              }
2401            continue;
2402    
2403    #if !defined NODFA
2404            case 'D':
2405    #if !defined NOPOSIX
2406            if (posix || do_posix)
2407              printf("** Can't use dfa matching in POSIX mode: \\D ignored\n");
2408            else
2409    #endif
2410              use_dfa = 1;
2411            continue;
2412    #endif
2413    
2414    #if !defined NODFA
2415            case 'F':
2416            options |= PCRE_DFA_SHORTEST;
2417            continue;
2418    #endif
2419    
2420            case 'G':
2421            if (isdigit(*p))
2422              {
2423              while(isdigit(*p)) n = n * 10 + *p++ - '0';
2424              getstrings |= 1 << n;
2425              }
2426            else if (isalnum(*p))
2427              {
2428              uschar *npp = getnamesptr;
2429              while (isalnum(*p)) *npp++ = *p++;
2430              *npp++ = 0;
2431              *npp = 0;
2432              n = pcre_get_stringnumber(re, (char *)getnamesptr);
2433              if (n < 0)
2434                fprintf(outfile, "no parentheses with name \"%s\"\n", getnamesptr);
2435              getnamesptr = npp;
2436              }
2437            continue;
2438    
2439            case 'L':
2440            getlist = 1;
2441            continue;
2442    
2443            case 'M':
2444            find_match_limit = 1;
2445            continue;
2446    
2447            case 'N':
2448            if ((options & PCRE_NOTEMPTY) != 0)
2449              options = (options & ~PCRE_NOTEMPTY) | PCRE_NOTEMPTY_ATSTART;
2450            else
2451              options |= PCRE_NOTEMPTY;
2452            continue;
2453    
2454          case 'O':          case 'O':
2455          while(isdigit(*p)) n = n * 10 + *p++ - '0';          while(isdigit(*p)) n = n * 10 + *p++ - '0';
2456          if (n <= (int)(sizeof(offsets)/sizeof(int))) size_offsets = n;          if (n > size_offsets_max)
2457              {
2458              size_offsets_max = n;
2459              free(offsets);
2460              use_offsets = offsets = (int *)malloc(size_offsets_max * sizeof(int));
2461              if (offsets == NULL)
2462                {
2463                printf("** Failed to get %d bytes of memory for offsets vector\n",
2464                  (int)(size_offsets_max * sizeof(int)));
2465                yield = 1;
2466                goto EXIT;
2467                }
2468              }
2469            use_size_offsets = n;
2470            if (n == 0) use_offsets = NULL;   /* Ensures it can't write to it */
2471            continue;
2472    
2473            case 'P':
2474            options |= ((options & PCRE_PARTIAL_SOFT) == 0)?
2475              PCRE_PARTIAL_SOFT : PCRE_PARTIAL_HARD;
2476            continue;
2477    
2478            case 'Q':
2479            while(isdigit(*p)) n = n * 10 + *p++ - '0';
2480            if (extra == NULL)
2481              {
2482              extra = (pcre_extra *)malloc(sizeof(pcre_extra));
2483              extra->flags = 0;
2484              }
2485            extra->flags |= PCRE_EXTRA_MATCH_LIMIT_RECURSION;
2486            extra->match_limit_recursion = n;
2487            continue;
2488    
2489            case 'q':
2490            while(isdigit(*p)) n = n * 10 + *p++ - '0';
2491            if (extra == NULL)
2492              {
2493              extra = (pcre_extra *)malloc(sizeof(pcre_extra));
2494              extra->flags = 0;
2495              }
2496            extra->flags |= PCRE_EXTRA_MATCH_LIMIT;
2497            extra->match_limit = n;
2498            continue;
2499    
2500    #if !defined NODFA
2501            case 'R':
2502            options |= PCRE_DFA_RESTART;
2503            continue;
2504    #endif
2505    
2506            case 'S':
2507            show_malloc = 1;
2508            continue;
2509    
2510            case 'Y':
2511            options |= PCRE_NO_START_OPTIMIZE;
2512          continue;          continue;
2513    
2514          case 'Z':          case 'Z':
2515          options |= PCRE_NOTEOL;          options |= PCRE_NOTEOL;
2516          continue;          continue;
2517    
2518            case '?':
2519            options |= PCRE_NO_UTF8_CHECK;
2520            continue;
2521    
2522            case '<':
2523              {
2524              int x = check_newline(p, outfile);
2525              if (x == 0) goto NEXT_DATA;
2526              options |= x;
2527              while (*p++ != '>');
2528              }
2529            continue;
2530          }          }
2531        *q++ = c;        *q++ = c;
2532        }        }
2533      *q = 0;      *q = 0;
2534      len = q - dbuffer;      len = (int)(q - dbuffer);
2535    
2536        /* Move the data to the end of the buffer so that a read over the end of
2537        the buffer will be seen by valgrind, even if it doesn't cause a crash. If
2538        we are using the POSIX interface, we must include the terminating zero. */
2539    
2540    #if !defined NOPOSIX
2541        if (posix || do_posix)
2542          {
2543          memmove(bptr + buffer_size - len - 1, bptr, len + 1);
2544          bptr += buffer_size - len - 1;
2545          }
2546        else
2547    #endif
2548          {
2549          memmove(bptr + buffer_size - len, bptr, len);
2550          bptr += buffer_size - len;
2551          }
2552    
2553        if ((all_use_dfa || use_dfa) && find_match_limit)
2554          {
2555          printf("**Match limit not relevant for DFA matching: ignored\n");
2556          find_match_limit = 0;
2557          }
2558    
2559      /* Handle matching via the POSIX interface, which does not      /* Handle matching via the POSIX interface, which does not
2560      support timing. */      support timing or playing with the match limit or callout data. */
2561    
2562    #if !defined NOPOSIX
2563      if (posix || do_posix)      if (posix || do_posix)
2564        {        {
2565        int rc;        int rc;
2566        int eflags = 0;        int eflags = 0;
2567        regmatch_t pmatch[30];        regmatch_t *pmatch = NULL;
2568          if (use_size_offsets > 0)
2569            pmatch = (regmatch_t *)malloc(sizeof(regmatch_t) * use_size_offsets);
2570        if ((options & PCRE_NOTBOL) != 0) eflags |= REG_NOTBOL;        if ((options & PCRE_NOTBOL) != 0) eflags |= REG_NOTBOL;
2571        if ((options & PCRE_NOTEOL) != 0) eflags |= REG_NOTEOL;        if ((options & PCRE_NOTEOL) != 0) eflags |= REG_NOTEOL;
2572          if ((options & PCRE_NOTEMPTY) != 0) eflags |= REG_NOTEMPTY;
2573    
2574        rc = regexec(&preg, (char *)dbuffer, sizeof(pmatch)/sizeof(regmatch_t),        rc = regexec(&preg, (const char *)bptr, use_size_offsets, pmatch, eflags);
         pmatch, eflags);  
2575    
2576        if (rc != 0)        if (rc != 0)
2577          {          {
2578          (void)regerror(rc, &preg, (char *)buffer, sizeof(buffer));          (void)regerror(rc, &preg, (char *)buffer, buffer_size);
2579          fprintf(outfile, "No match: POSIX code %d: %s\n", rc, buffer);          fprintf(outfile, "No match: POSIX code %d: %s\n", rc, buffer);
2580          }          }
2581          else if ((((const pcre *)preg.re_pcre)->options & PCRE_NO_AUTO_CAPTURE)
2582                  != 0)
2583            {
2584            fprintf(outfile, "Matched with REG_NOSUB\n");
2585            }
2586        else        else
2587          {          {
2588          size_t i;          size_t i;
2589          for (i = 0; i < sizeof(pmatch)/sizeof(regmatch_t); i++)          for (i = 0; i < (size_t)use_size_offsets; i++)
2590            {            {
2591            if (pmatch[i].rm_so >= 0)            if (pmatch[i].rm_so >= 0)
2592              {              {
2593              fprintf(outfile, "%2d: ", (int)i);              fprintf(outfile, "%2d: ", (int)i);
2594              pchars(dbuffer + pmatch[i].rm_so,              (void)pchars(dbuffer + pmatch[i].rm_so,
2595                pmatch[i].rm_eo - pmatch[i].rm_so);                pmatch[i].rm_eo - pmatch[i].rm_so, outfile);
2596              fprintf(outfile, "\n");              fprintf(outfile, "\n");
2597                if (do_showcaprest || (i == 0 && do_showrest))
2598                  {
2599                  fprintf(outfile, "%2d+ ", (int)i);
2600                  (void)pchars(dbuffer + pmatch[i].rm_eo, len - pmatch[i].rm_eo,
2601                    outfile);
2602                  fprintf(outfile, "\n");
2603                  }
2604              }              }
2605            }            }
2606          }          }
2607          free(pmatch);
2608        }        }
2609    
2610      /* Handle matching via the native interface */      /* Handle matching via the native interface - repeats for /g and /G */
2611    
2612      else      else
2613    #endif  /* !defined NOPOSIX */
2614    
2615        for (;; gmatched++)    /* Loop for /g or /G */
2616        {        {
2617        if (timeit)        markptr = NULL;
2618    
2619          if (timeitm > 0)
2620          {          {
2621          register int i;          register int i;
2622          clock_t time_taken;          clock_t time_taken;
2623          clock_t start_time = clock();          clock_t start_time = clock();
2624          for (i = 0; i < 4000; i++)  
2625            count = pcre_exec(re, extra, (char *)dbuffer, len, options, offsets,  #if !defined NODFA
2626              size_offsets);          if (all_use_dfa || use_dfa)
2627              {
2628              int workspace[1000];
2629              for (i = 0; i < timeitm; i++)
2630                count = pcre_dfa_exec(re, extra, (char *)bptr, len, start_offset,
2631                  options | g_notempty, use_offsets, use_size_offsets, workspace,
2632                  sizeof(workspace)/sizeof(int));
2633              }
2634            else
2635    #endif
2636    
2637            for (i = 0; i < timeitm; i++)
2638              count = pcre_exec(re, extra, (char *)bptr, len,
2639                start_offset, options | g_notempty, use_offsets, use_size_offsets);
2640    
2641          time_taken = clock() - start_time;          time_taken = clock() - start_time;
2642          fprintf(outfile, "Execute time %.2f milliseconds\n",          fprintf(outfile, "Execute time %.4f milliseconds\n",
2643            ((double)time_taken)/(4 * CLOCKS_PER_SEC));            (((double)time_taken * 1000.0) / (double)timeitm) /
2644                (double)CLOCKS_PER_SEC);
2645            }
2646    
2647          /* If find_match_limit is set, we want to do repeated matches with
2648          varying limits in order to find the minimum value for the match limit and
2649          for the recursion limit. */
2650    
2651          if (find_match_limit)
2652            {
2653            if (extra == NULL)
2654              {
2655              extra = (pcre_extra *)malloc(sizeof(pcre_extra));
2656              extra->flags = 0;
2657              }
2658    
2659            (void)check_match_limit(re, extra, bptr, len, start_offset,
2660              options|g_notempty, use_offsets, use_size_offsets,
2661              PCRE_EXTRA_MATCH_LIMIT, &(extra->match_limit),
2662              PCRE_ERROR_MATCHLIMIT, "match()");
2663    
2664            count = check_match_limit(re, extra, bptr, len, start_offset,
2665              options|g_notempty, use_offsets, use_size_offsets,
2666              PCRE_EXTRA_MATCH_LIMIT_RECURSION, &(extra->match_limit_recursion),
2667              PCRE_ERROR_RECURSIONLIMIT, "match() recursion");
2668            }
2669    
2670          /* If callout_data is set, use the interface with additional data */
2671    
2672          else if (callout_data_set)
2673            {
2674            if (extra == NULL)
2675              {
2676              extra = (pcre_extra *)malloc(sizeof(pcre_extra));
2677              extra->flags = 0;
2678              }
2679            extra->flags |= PCRE_EXTRA_CALLOUT_DATA;
2680            extra->callout_data = &callout_data;
2681            count = pcre_exec(re, extra, (char *)bptr, len, start_offset,
2682              options | g_notempty, use_offsets, use_size_offsets);
2683            extra->flags &= ~PCRE_EXTRA_CALLOUT_DATA;
2684          }          }
2685    
2686        count = pcre_exec(re, extra, (char *)dbuffer, len, options, offsets,        /* The normal case is just to do the match once, with the default
2687          size_offsets);        value of match_limit. */
2688    
2689    #if !defined NODFA
2690          else if (all_use_dfa || use_dfa)
2691            {
2692            int workspace[1000];
2693            count = pcre_dfa_exec(re, extra, (char *)bptr, len, start_offset,
2694              options | g_notempty, use_offsets, use_size_offsets, workspace,
2695              sizeof(workspace)/sizeof(int));
2696            if (count == 0)
2697              {
2698              fprintf(outfile, "Matched, but too many subsidiary matches\n");
2699              count = use_size_offsets/2;
2700              }
2701            }
2702    #endif
2703    
2704        if (count == 0)        else
2705          {          {
2706          fprintf(outfile, "Matched, but too many substrings\n");          count = pcre_exec(re, extra, (char *)bptr, len,
2707          count = size_offsets/3;            start_offset, options | g_notempty, use_offsets, use_size_offsets);
2708            if (count == 0)
2709              {
2710              fprintf(outfile, "Matched, but too many substrings\n");
2711              count = use_size_offsets/3;
2712              }
2713          }          }
2714    
2715          /* Matched */
2716    
2717        if (count >= 0)        if (count >= 0)
2718          {          {
2719          int i;          int i, maxcount;
2720          count *= 2;  
2721          for (i = 0; i < count; i += 2)  #if !defined NODFA
2722            if (all_use_dfa || use_dfa) maxcount = use_size_offsets/2; else
2723    #endif
2724              maxcount = use_size_offsets/3;
2725    
2726            /* This is a check against a lunatic return value. */
2727    
2728            if (count > maxcount)
2729              {
2730              fprintf(outfile,
2731                "** PCRE error: returned count %d is too big for offset size %d\n",
2732                count, use_size_offsets);
2733              count = use_size_offsets/3;
2734              if (do_g || do_G)
2735                {
2736                fprintf(outfile, "** /%c loop abandoned\n", do_g? 'g' : 'G');
2737                do_g = do_G = FALSE;        /* Break g/G loop */
2738                }
2739              }
2740    
2741            /* do_allcaps requests showing of all captures in the pattern, to check
2742            unset ones at the end. */
2743    
2744            if (do_allcaps)
2745            {            {
2746            if (offsets[i] < 0)            new_info(re, NULL, PCRE_INFO_CAPTURECOUNT, &count);
2747              count++;   /* Allow for full match */
2748              if (count * 2 > use_size_offsets) count = use_size_offsets/2;
2749              }
2750    
2751            /* Output the captured substrings */
2752    
2753            for (i = 0; i < count * 2; i += 2)
2754              {
2755              if (use_offsets[i] < 0)
2756                {
2757                if (use_offsets[i] != -1)
2758                  fprintf(outfile, "ERROR: bad negative value %d for offset %d\n",
2759                    use_offsets[i], i);
2760                if (use_offsets[i+1] != -1)
2761                  fprintf(outfile, "ERROR: bad negative value %d for offset %d\n",
2762                    use_offsets[i+1], i+1);
2763              fprintf(outfile, "%2d: <unset>\n", i/2);              fprintf(outfile, "%2d: <unset>\n", i/2);
2764                }
2765            else            else
2766              {              {
2767              fprintf(outfile, "%2d: ", i/2);              fprintf(outfile, "%2d: ", i/2);
2768              pchars(dbuffer + offsets[i], offsets[i+1] - offsets[i]);              (void)pchars(bptr + use_offsets[i],
2769                  use_offsets[i+1] - use_offsets[i], outfile);
2770              fprintf(outfile, "\n");              fprintf(outfile, "\n");
2771                if (do_showcaprest || (i == 0 && do_showrest))
2772                  {
2773                  fprintf(outfile, "%2d+ ", i/2);
2774                  (void)pchars(bptr + use_offsets[i+1], len - use_offsets[i+1],
2775                    outfile);
2776                  fprintf(outfile, "\n");
2777                  }
2778                }
2779              }
2780    
2781            if (markptr != NULL) fprintf(outfile, "MK: %s\n", markptr);
2782    
2783            for (i = 0; i < 32; i++)
2784              {
2785              if ((copystrings & (1 << i)) != 0)
2786                {
2787                char copybuffer[256];
2788                int rc = pcre_copy_substring((char *)bptr, use_offsets, count,
2789                  i, copybuffer, sizeof(copybuffer));
2790                if (rc < 0)
2791                  fprintf(outfile, "copy substring %d failed %d\n", i, rc);
2792                else
2793                  fprintf(outfile, "%2dC %s (%d)\n", i, copybuffer, rc);
2794                }
2795              }
2796    
2797            for (copynamesptr = copynames;
2798                 *copynamesptr != 0;
2799                 copynamesptr += (int)strlen((char*)copynamesptr) + 1)
2800              {
2801              char copybuffer[256];
2802              int rc = pcre_copy_named_substring(re, (char *)bptr, use_offsets,
2803                count, (char *)copynamesptr, copybuffer, sizeof(copybuffer));
2804              if (rc < 0)
2805                fprintf(outfile, "copy substring %s failed %d\n", copynamesptr, rc);
2806              else
2807                fprintf(outfile, "  C %s (%d) %s\n", copybuffer, rc, copynamesptr);
2808              }
2809    
2810            for (i = 0; i < 32; i++)
2811              {
2812              if ((getstrings & (1 << i)) != 0)
2813                {
2814                const char *substring;
2815                int rc = pcre_get_substring((char *)bptr, use_offsets, count,
2816                  i, &substring);
2817                if (rc < 0)
2818                  fprintf(outfile, "get substring %d failed %d\n", i, rc);
2819                else
2820                  {
2821                  fprintf(outfile, "%2dG %s (%d)\n", i, substring, rc);
2822                  pcre_free_substring(substring);
2823                  }
2824                }
2825              }
2826    
2827            for (getnamesptr = getnames;
2828                 *getnamesptr != 0;
2829                 getnamesptr += (int)strlen((char*)getnamesptr) + 1)
2830              {
2831              const char *substring;
2832              int rc = pcre_get_named_substring(re, (char *)bptr, use_offsets,
2833                count, (char *)getnamesptr, &substring);
2834              if (rc < 0)
2835                fprintf(outfile, "copy substring %s failed %d\n", getnamesptr, rc);
2836              else
2837                {
2838                fprintf(outfile, "  G %s (%d) %s\n", substring, rc, getnamesptr);
2839                pcre_free_substring(substring);
2840                }
2841              }
2842    
2843            if (getlist)
2844              {
2845              const char **stringlist;
2846              int rc = pcre_get_substring_list((char *)bptr, use_offsets, count,
2847                &stringlist);
2848              if (rc < 0)
2849                fprintf(outfile, "get substring list failed %d\n", rc);
2850              else
2851                {
2852                for (i = 0; i < count; i++)
2853                  fprintf(outfile, "%2dL %s\n", i, stringlist[i]);
2854                if (stringlist[i] != NULL)
2855                  fprintf(outfile, "string list not terminated by NULL\n");
2856                /* free((void *)stringlist); */
2857                pcre_free_substring_list(stringlist);
2858                }
2859              }
2860            }
2861    
2862          /* There was a partial match */
2863    
2864          else if (count == PCRE_ERROR_PARTIAL)
2865            {
2866            if (markptr == NULL) fprintf(outfile, "Partial match");
2867              else fprintf(outfile, "Partial match, mark=%s", markptr);
2868            if (use_size_offsets > 1)
2869              {
2870              fprintf(outfile, ": ");
2871              pchars(bptr + use_offsets[0], use_offsets[1] - use_offsets[0],
2872                outfile);
2873              }
2874            fprintf(outfile, "\n");
2875            break;  /* Out of the /g loop */
2876            }
2877    
2878          /* Failed to match. If this is a /g or /G loop and we previously set
2879          g_notempty after a null match, this is not necessarily the end. We want
2880          to advance the start offset, and continue. We won't be at the end of the
2881          string - that was checked before setting g_notempty.
2882    
2883          Complication arises in the case when the newline convention is "any",
2884          "crlf", or "anycrlf". If the previous match was at the end of a line
2885          terminated by CRLF, an advance of one character just passes the \r,
2886          whereas we should prefer the longer newline sequence, as does the code in
2887          pcre_exec(). Fudge the offset value to achieve this. We check for a
2888          newline setting in the pattern; if none was set, use pcre_config() to
2889          find the default.
2890    
2891          Otherwise, in the case of UTF-8 matching, the advance must be one
2892          character, not one byte. */
2893    
2894          else
2895            {
2896            if (g_notempty != 0)
2897              {
2898              int onechar = 1;
2899              unsigned int obits = ((real_pcre *)re)->options;
2900              use_offsets[0] = start_offset;
2901              if ((obits & PCRE_NEWLINE_BITS) == 0)
2902                {
2903                int d;
2904                (void)pcre_config(PCRE_CONFIG_NEWLINE, &d);
2905                /* Note that these values are always the ASCII ones, even in
2906                EBCDIC environments. CR = 13, NL = 10. */
2907                obits = (d == 13)? PCRE_NEWLINE_CR :
2908                        (d == 10)? PCRE_NEWLINE_LF :
2909                        (d == (13<<8 | 10))? PCRE_NEWLINE_CRLF :
2910                        (d == -2)? PCRE_NEWLINE_ANYCRLF :
2911                        (d == -1)? PCRE_NEWLINE_ANY : 0;
2912                }
2913              if (((obits & PCRE_NEWLINE_BITS) == PCRE_NEWLINE_ANY ||
2914                   (obits & PCRE_NEWLINE_BITS) == PCRE_NEWLINE_CRLF ||
2915                   (obits & PCRE_NEWLINE_BITS) == PCRE_NEWLINE_ANYCRLF)
2916                  &&
2917                  start_offset < len - 1 &&
2918                  bptr[start_offset] == '\r' &&
2919                  bptr[start_offset+1] == '\n')
2920                onechar++;
2921              else if (use_utf8)
2922                {
2923                while (start_offset + onechar < len)
2924                  {
2925                  if ((bptr[start_offset+onechar] & 0xc0) != 0x80) break;
2926                  onechar++;
2927                  }
2928                }
2929              use_offsets[1] = start_offset + onechar;
2930              }
2931            else
2932              {
2933              switch(count)
2934                {
2935                case PCRE_ERROR_NOMATCH:
2936                if (gmatched == 0)
2937                  {
2938                  if (markptr == NULL) fprintf(outfile, "No match\n");
2939                    else fprintf(outfile, "No match, mark = %s\n", markptr);
2940                  }
2941                break;
2942    
2943                case PCRE_ERROR_BADUTF8:
2944                case PCRE_ERROR_SHORTUTF8:
2945                fprintf(outfile, "Error %d (%s UTF-8 string)", count,
2946                  (count == PCRE_ERROR_BADUTF8)? "bad" : "short");
2947                if (use_size_offsets >= 2)
2948                  fprintf(outfile, " offset=%d reason=%d", use_offsets[0],
2949                    use_offsets[1]);
2950                fprintf(outfile, "\n");
2951                break;
2952    
2953                default:
2954                if (count < 0 && (-count) < sizeof(errtexts)/sizeof(const char *))
2955                  fprintf(outfile, "Error %d (%s)\n", count, errtexts[-count]);
2956                else
2957                  fprintf(outfile, "Error %d (Unexpected value)\n", count);
2958                break;
2959              }              }
2960    
2961              break;  /* Out of the /g loop */
2962            }            }
2963          }          }
2964    
2965          /* If not /g or /G we are done */
2966    
2967          if (!do_g && !do_G) break;
2968    
2969          /* If we have matched an empty string, first check to see if we are at
2970          the end of the subject. If so, the /g loop is over. Otherwise, mimic what
2971          Perl's /g options does. This turns out to be rather cunning. First we set
2972          PCRE_NOTEMPTY_ATSTART and PCRE_ANCHORED and try the match again at the
2973          same point. If this fails (picked up above) we advance to the next
2974          character. */
2975    
2976          g_notempty = 0;
2977    
2978          if (use_offsets[0] == use_offsets[1])
2979            {
2980            if (use_offsets[0] == len) break;
2981            g_notempty = PCRE_NOTEMPTY_ATSTART | PCRE_ANCHORED;
2982            }
2983    
2984          /* For /g, update the start offset, leaving the rest alone */
2985    
2986          if (do_g) start_offset = use_offsets[1];
2987    
2988          /* For /G, update the pointer and length */
2989    
2990        else        else
2991          {          {
2992          if (count == -1) fprintf(outfile, "No match\n");          bptr += use_offsets[1];
2993            else fprintf(outfile, "Error %d\n", count);          len -= use_offsets[1];
2994          }          }
2995        }        }  /* End of loop for /g and /G */
2996      }  
2997        NEXT_DATA: continue;
2998        }    /* End of loop for data lines */
2999    
3000    CONTINUE:    CONTINUE:
3001    
3002    #if !defined NOPOSIX
3003    if (posix || do_posix) regfree(&preg);    if (posix || do_posix) regfree(&preg);
3004    if (re != NULL) free(re);  #endif
3005    if (extra != NULL) free(extra);  
3006    if (tables != NULL)    if (re != NULL) new_free(re);
3007      if (extra != NULL) new_free(extra);
3008      if (locale_set)
3009      {      {
3010      free((void *)tables);      new_free((void *)tables);
3011      setlocale(LC_CTYPE, "C");      setlocale(LC_CTYPE, "C");
3012        locale_set = 0;
3013      }      }
3014    }    }
3015    
3016  fprintf(outfile, "\n");  if (infile == stdin) fprintf(outfile, "\n");
3017  return 0;  
3018    EXIT:
3019    
3020    if (infile != NULL && infile != stdin) fclose(infile);
3021    if (outfile != NULL && outfile != stdout) fclose(outfile);
3022    
3023    free(buffer);
3024    free(dbuffer);
3025    free(pbuffer);
3026    free(offsets);
3027    
3028    return yield;
3029  }  }
3030    
3031  /* End */  /* End of pcretest.c */

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