/[pcre]/code/trunk/pcretest.c
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revision 41 by nigel, Sat Feb 24 21:39:17 2007 UTC revision 558 by ph10, Tue Oct 26 15:26:45 2010 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    /* 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    #else
83    #include <sys/time.h>          /* These two includes are needed */
84    #include <sys/resource.h>      /* for setrlimit(). */
85    #define INPUT_MODE   "rb"
86    #define OUTPUT_MODE  "wb"
87    #endif
88    
89    
90  /* Use the internal info for displaying the results of pcre_study(). */  /* We have to include pcre_internal.h because we need the internal info for
91    displaying the results of pcre_study() and we also need to know about the
92    internal macros, structures, and other internal data values; pcretest has
93    "inside information" compared to a program that strictly follows the PCRE API.
94    
95    Although pcre_internal.h does itself include pcre.h, we explicitly include it
96    here before pcre_internal.h so that the PCRE_EXP_xxx macros get set
97    appropriately for an application, not for building PCRE. */
98    
99    #include "pcre.h"
100    #include "pcre_internal.h"
101    
102    /* We need access to some of the data tables that PCRE uses. So as not to have
103    to keep two copies, we include the source file here, changing the names of the
104    external symbols to prevent clashes. */
105    
106    #define _pcre_ucp_gentype      ucp_gentype
107    #define _pcre_utf8_table1      utf8_table1
108    #define _pcre_utf8_table1_size utf8_table1_size
109    #define _pcre_utf8_table2      utf8_table2
110    #define _pcre_utf8_table3      utf8_table3
111    #define _pcre_utf8_table4      utf8_table4
112    #define _pcre_utt              utt
113    #define _pcre_utt_size         utt_size
114    #define _pcre_utt_names        utt_names
115    #define _pcre_OP_lengths       OP_lengths
116    
117    #include "pcre_tables.c"
118    
119    /* We also need the pcre_printint() function for printing out compiled
120    patterns. This function is in a separate file so that it can be included in
121    pcre_compile.c when that module is compiled with debugging enabled. It needs to
122    know which case is being compiled. */
123    
124    #define COMPILING_PCRETEST
125    #include "pcre_printint.src"
126    
127    /* The definition of the macro PRINTABLE, which determines whether to print an
128    output character as-is or as a hex value when showing compiled patterns, is
129    contained in the printint.src file. We uses it here also, in cases when the
130    locale has not been explicitly changed, so as to get consistent output from
131    systems that differ in their output from isprint() even in the "C" locale. */
132    
133  #include "internal.h"  #define PRINTHEX(c) (locale_set? isprint(c) : PRINTABLE(c))
134    
135  /* It is possible to compile this test program without including support for  /* It is possible to compile this test program without including support for
136  testing the POSIX interface, though this is not available via the standard  testing the POSIX interface, though this is not available via the standard
# Line 21  Makefile. */ Line 140  Makefile. */
140  #include "pcreposix.h"  #include "pcreposix.h"
141  #endif  #endif
142    
143    /* It is also possible, for the benefit of the version currently imported into
144    Exim, to build pcretest without support for UTF8 (define NOUTF8), without the
145    interface to the DFA matcher (NODFA), and without the doublecheck of the old
146    "info" function (define NOINFOCHECK). In fact, we automatically cut out the
147    UTF8 support if PCRE is built without it. */
148    
149    #ifndef SUPPORT_UTF8
150    #ifndef NOUTF8
151    #define NOUTF8
152    #endif
153    #endif
154    
155    
156    /* Other parameters */
157    
158  #ifndef CLOCKS_PER_SEC  #ifndef CLOCKS_PER_SEC
159  #ifdef CLK_TCK  #ifdef CLK_TCK
160  #define CLOCKS_PER_SEC CLK_TCK  #define CLOCKS_PER_SEC CLK_TCK
# Line 29  Makefile. */ Line 163  Makefile. */
163  #endif  #endif
164  #endif  #endif
165    
166  #define LOOPREPEAT 20000  /* This is the default loop count for timing. */
167    
168    #define LOOPREPEAT 500000
169    
170    /* Static variables */
171    
172  static FILE *outfile;  static FILE *outfile;
173  static int log_store = 0;  static int log_store = 0;
174    static int callout_count;
175    static int callout_extra;
176    static int callout_fail_count;
177    static int callout_fail_id;
178    static int debug_lengths;
179    static int first_callout;
180    static int locale_set = 0;
181    static int show_malloc;
182    static int use_utf8;
183    static size_t gotten_store;
184    
185    /* The buffers grow automatically if very long input lines are encountered. */
186    
187    static int buffer_size = 50000;
188    static uschar *buffer = NULL;
189    static uschar *dbuffer = NULL;
190    static uschar *pbuffer = NULL;
191    
192    
193    /*************************************************
194    *         Alternate character tables             *
195    *************************************************/
196    
197  /* Debugging function to print the internal form of the regex. This is the same  /* By default, the "tables" pointer when calling PCRE is set to NULL, thereby
198  code as contained in pcre.c under the DEBUG macro. */  using the default tables of the library. However, the T option can be used to
199    select alternate sets of tables, for different kinds of testing. Note also that
200  static const char *OP_names[] = {  the L (locale) option also adjusts the tables. */
201    "End", "\\A", "\\B", "\\b", "\\D", "\\d",  
202    "\\S", "\\s", "\\W", "\\w", "\\Z", "\\z",  /* This is the set of tables distributed as default with PCRE. It recognizes
203    "Opt", "^", "$", "Any", "chars", "not",  only ASCII characters. */
204    "*", "*?", "+", "+?", "?", "??", "{", "{", "{",  
205    "*", "*?", "+", "+?", "?", "??", "{", "{", "{",  static const unsigned char tables0[] = {
206    "*", "*?", "+", "+?", "?", "??", "{", "{", "{",  
207    "*", "*?", "+", "+?", "?", "??", "{", "{",  /* This table is a lower casing table. */
208    "class", "Ref",  
209    "Alt", "Ket", "KetRmax", "KetRmin", "Assert", "Assert not",      0,  1,  2,  3,  4,  5,  6,  7,
210    "AssertB", "AssertB not", "Reverse", "Once", "Cond", "Cref",      8,  9, 10, 11, 12, 13, 14, 15,
211    "Brazero", "Braminzero", "Bra"     16, 17, 18, 19, 20, 21, 22, 23,
212       24, 25, 26, 27, 28, 29, 30, 31,
213       32, 33, 34, 35, 36, 37, 38, 39,
214       40, 41, 42, 43, 44, 45, 46, 47,
215       48, 49, 50, 51, 52, 53, 54, 55,
216       56, 57, 58, 59, 60, 61, 62, 63,
217       64, 97, 98, 99,100,101,102,103,
218      104,105,106,107,108,109,110,111,
219      112,113,114,115,116,117,118,119,
220      120,121,122, 91, 92, 93, 94, 95,
221       96, 97, 98, 99,100,101,102,103,
222      104,105,106,107,108,109,110,111,
223      112,113,114,115,116,117,118,119,
224      120,121,122,123,124,125,126,127,
225      128,129,130,131,132,133,134,135,
226      136,137,138,139,140,141,142,143,
227      144,145,146,147,148,149,150,151,
228      152,153,154,155,156,157,158,159,
229      160,161,162,163,164,165,166,167,
230      168,169,170,171,172,173,174,175,
231      176,177,178,179,180,181,182,183,
232      184,185,186,187,188,189,190,191,
233      192,193,194,195,196,197,198,199,
234      200,201,202,203,204,205,206,207,
235      208,209,210,211,212,213,214,215,
236      216,217,218,219,220,221,222,223,
237      224,225,226,227,228,229,230,231,
238      232,233,234,235,236,237,238,239,
239      240,241,242,243,244,245,246,247,
240      248,249,250,251,252,253,254,255,
241    
242    /* This table is a case flipping table. */
243    
244        0,  1,  2,  3,  4,  5,  6,  7,
245        8,  9, 10, 11, 12, 13, 14, 15,
246       16, 17, 18, 19, 20, 21, 22, 23,
247       24, 25, 26, 27, 28, 29, 30, 31,
248       32, 33, 34, 35, 36, 37, 38, 39,
249       40, 41, 42, 43, 44, 45, 46, 47,
250       48, 49, 50, 51, 52, 53, 54, 55,
251       56, 57, 58, 59, 60, 61, 62, 63,
252       64, 97, 98, 99,100,101,102,103,
253      104,105,106,107,108,109,110,111,
254      112,113,114,115,116,117,118,119,
255      120,121,122, 91, 92, 93, 94, 95,
256       96, 65, 66, 67, 68, 69, 70, 71,
257       72, 73, 74, 75, 76, 77, 78, 79,
258       80, 81, 82, 83, 84, 85, 86, 87,
259       88, 89, 90,123,124,125,126,127,
260      128,129,130,131,132,133,134,135,
261      136,137,138,139,140,141,142,143,
262      144,145,146,147,148,149,150,151,
263      152,153,154,155,156,157,158,159,
264      160,161,162,163,164,165,166,167,
265      168,169,170,171,172,173,174,175,
266      176,177,178,179,180,181,182,183,
267      184,185,186,187,188,189,190,191,
268      192,193,194,195,196,197,198,199,
269      200,201,202,203,204,205,206,207,
270      208,209,210,211,212,213,214,215,
271      216,217,218,219,220,221,222,223,
272      224,225,226,227,228,229,230,231,
273      232,233,234,235,236,237,238,239,
274      240,241,242,243,244,245,246,247,
275      248,249,250,251,252,253,254,255,
276    
277    /* This table contains bit maps for various character classes. Each map is 32
278    bytes long and the bits run from the least significant end of each byte. The
279    classes that have their own maps are: space, xdigit, digit, upper, lower, word,
280    graph, print, punct, and cntrl. Other classes are built from combinations. */
281    
282      0x00,0x3e,0x00,0x00,0x01,0x00,0x00,0x00,
283      0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
284      0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
285      0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
286    
287      0x00,0x00,0x00,0x00,0x00,0x00,0xff,0x03,
288      0x7e,0x00,0x00,0x00,0x7e,0x00,0x00,0x00,
289      0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
290      0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
291    
292      0x00,0x00,0x00,0x00,0x00,0x00,0xff,0x03,
293      0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
294      0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
295      0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
296    
297      0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
298      0xfe,0xff,0xff,0x07,0x00,0x00,0x00,0x00,
299      0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
300      0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
301    
302      0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
303      0x00,0x00,0x00,0x00,0xfe,0xff,0xff,0x07,
304      0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
305      0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
306    
307      0x00,0x00,0x00,0x00,0x00,0x00,0xff,0x03,
308      0xfe,0xff,0xff,0x87,0xfe,0xff,0xff,0x07,
309      0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
310      0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
311    
312      0x00,0x00,0x00,0x00,0xfe,0xff,0xff,0xff,
313      0xff,0xff,0xff,0xff,0xff,0xff,0xff,0x7f,
314      0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
315      0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
316    
317      0x00,0x00,0x00,0x00,0xff,0xff,0xff,0xff,
318      0xff,0xff,0xff,0xff,0xff,0xff,0xff,0x7f,
319      0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
320      0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
321    
322      0x00,0x00,0x00,0x00,0xfe,0xff,0x00,0xfc,
323      0x01,0x00,0x00,0xf8,0x01,0x00,0x00,0x78,
324      0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
325      0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
326    
327      0xff,0xff,0xff,0xff,0x00,0x00,0x00,0x00,
328      0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x80,
329      0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
330      0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
331    
332    /* This table identifies various classes of character by individual bits:
333      0x01   white space character
334      0x02   letter
335      0x04   decimal digit
336      0x08   hexadecimal digit
337      0x10   alphanumeric or '_'
338      0x80   regular expression metacharacter or binary zero
339    */
340    
341      0x80,0x00,0x00,0x00,0x00,0x00,0x00,0x00, /*   0-  7 */
342      0x00,0x01,0x01,0x00,0x01,0x01,0x00,0x00, /*   8- 15 */
343      0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, /*  16- 23 */
344      0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, /*  24- 31 */
345      0x01,0x00,0x00,0x00,0x80,0x00,0x00,0x00, /*    - '  */
346      0x80,0x80,0x80,0x80,0x00,0x00,0x80,0x00, /*  ( - /  */
347      0x1c,0x1c,0x1c,0x1c,0x1c,0x1c,0x1c,0x1c, /*  0 - 7  */
348      0x1c,0x1c,0x00,0x00,0x00,0x00,0x00,0x80, /*  8 - ?  */
349      0x00,0x1a,0x1a,0x1a,0x1a,0x1a,0x1a,0x12, /*  @ - G  */
350      0x12,0x12,0x12,0x12,0x12,0x12,0x12,0x12, /*  H - O  */
351      0x12,0x12,0x12,0x12,0x12,0x12,0x12,0x12, /*  P - W  */
352      0x12,0x12,0x12,0x80,0x80,0x00,0x80,0x10, /*  X - _  */
353      0x00,0x1a,0x1a,0x1a,0x1a,0x1a,0x1a,0x12, /*  ` - g  */
354      0x12,0x12,0x12,0x12,0x12,0x12,0x12,0x12, /*  h - o  */
355      0x12,0x12,0x12,0x12,0x12,0x12,0x12,0x12, /*  p - w  */
356      0x12,0x12,0x12,0x80,0x80,0x00,0x00,0x00, /*  x -127 */
357      0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, /* 128-135 */
358      0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, /* 136-143 */
359      0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, /* 144-151 */
360      0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, /* 152-159 */
361      0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, /* 160-167 */
362      0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, /* 168-175 */
363      0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, /* 176-183 */
364      0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, /* 184-191 */
365      0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, /* 192-199 */
366      0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, /* 200-207 */
367      0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, /* 208-215 */
368      0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, /* 216-223 */
369      0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, /* 224-231 */
370      0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, /* 232-239 */
371      0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, /* 240-247 */
372      0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00};/* 248-255 */
373    
374    /* This is a set of tables that came orginally from a Windows user. It seems to
375    be at least an approximation of ISO 8859. In particular, there are characters
376    greater than 128 that are marked as spaces, letters, etc. */
377    
378    static const unsigned char tables1[] = {
379    0,1,2,3,4,5,6,7,
380    8,9,10,11,12,13,14,15,
381    16,17,18,19,20,21,22,23,
382    24,25,26,27,28,29,30,31,
383    32,33,34,35,36,37,38,39,
384    40,41,42,43,44,45,46,47,
385    48,49,50,51,52,53,54,55,
386    56,57,58,59,60,61,62,63,
387    64,97,98,99,100,101,102,103,
388    104,105,106,107,108,109,110,111,
389    112,113,114,115,116,117,118,119,
390    120,121,122,91,92,93,94,95,
391    96,97,98,99,100,101,102,103,
392    104,105,106,107,108,109,110,111,
393    112,113,114,115,116,117,118,119,
394    120,121,122,123,124,125,126,127,
395    128,129,130,131,132,133,134,135,
396    136,137,138,139,140,141,142,143,
397    144,145,146,147,148,149,150,151,
398    152,153,154,155,156,157,158,159,
399    160,161,162,163,164,165,166,167,
400    168,169,170,171,172,173,174,175,
401    176,177,178,179,180,181,182,183,
402    184,185,186,187,188,189,190,191,
403    224,225,226,227,228,229,230,231,
404    232,233,234,235,236,237,238,239,
405    240,241,242,243,244,245,246,215,
406    248,249,250,251,252,253,254,223,
407    224,225,226,227,228,229,230,231,
408    232,233,234,235,236,237,238,239,
409    240,241,242,243,244,245,246,247,
410    248,249,250,251,252,253,254,255,
411    0,1,2,3,4,5,6,7,
412    8,9,10,11,12,13,14,15,
413    16,17,18,19,20,21,22,23,
414    24,25,26,27,28,29,30,31,
415    32,33,34,35,36,37,38,39,
416    40,41,42,43,44,45,46,47,
417    48,49,50,51,52,53,54,55,
418    56,57,58,59,60,61,62,63,
419    64,97,98,99,100,101,102,103,
420    104,105,106,107,108,109,110,111,
421    112,113,114,115,116,117,118,119,
422    120,121,122,91,92,93,94,95,
423    96,65,66,67,68,69,70,71,
424    72,73,74,75,76,77,78,79,
425    80,81,82,83,84,85,86,87,
426    88,89,90,123,124,125,126,127,
427    128,129,130,131,132,133,134,135,
428    136,137,138,139,140,141,142,143,
429    144,145,146,147,148,149,150,151,
430    152,153,154,155,156,157,158,159,
431    160,161,162,163,164,165,166,167,
432    168,169,170,171,172,173,174,175,
433    176,177,178,179,180,181,182,183,
434    184,185,186,187,188,189,190,191,
435    224,225,226,227,228,229,230,231,
436    232,233,234,235,236,237,238,239,
437    240,241,242,243,244,245,246,215,
438    248,249,250,251,252,253,254,223,
439    192,193,194,195,196,197,198,199,
440    200,201,202,203,204,205,206,207,
441    208,209,210,211,212,213,214,247,
442    216,217,218,219,220,221,222,255,
443    0,62,0,0,1,0,0,0,
444    0,0,0,0,0,0,0,0,
445    32,0,0,0,1,0,0,0,
446    0,0,0,0,0,0,0,0,
447    0,0,0,0,0,0,255,3,
448    126,0,0,0,126,0,0,0,
449    0,0,0,0,0,0,0,0,
450    0,0,0,0,0,0,0,0,
451    0,0,0,0,0,0,255,3,
452    0,0,0,0,0,0,0,0,
453    0,0,0,0,0,0,12,2,
454    0,0,0,0,0,0,0,0,
455    0,0,0,0,0,0,0,0,
456    254,255,255,7,0,0,0,0,
457    0,0,0,0,0,0,0,0,
458    255,255,127,127,0,0,0,0,
459    0,0,0,0,0,0,0,0,
460    0,0,0,0,254,255,255,7,
461    0,0,0,0,0,4,32,4,
462    0,0,0,128,255,255,127,255,
463    0,0,0,0,0,0,255,3,
464    254,255,255,135,254,255,255,7,
465    0,0,0,0,0,4,44,6,
466    255,255,127,255,255,255,127,255,
467    0,0,0,0,254,255,255,255,
468    255,255,255,255,255,255,255,127,
469    0,0,0,0,254,255,255,255,
470    255,255,255,255,255,255,255,255,
471    0,2,0,0,255,255,255,255,
472    255,255,255,255,255,255,255,127,
473    0,0,0,0,255,255,255,255,
474    255,255,255,255,255,255,255,255,
475    0,0,0,0,254,255,0,252,
476    1,0,0,248,1,0,0,120,
477    0,0,0,0,254,255,255,255,
478    0,0,128,0,0,0,128,0,
479    255,255,255,255,0,0,0,0,
480    0,0,0,0,0,0,0,128,
481    255,255,255,255,0,0,0,0,
482    0,0,0,0,0,0,0,0,
483    128,0,0,0,0,0,0,0,
484    0,1,1,0,1,1,0,0,
485    0,0,0,0,0,0,0,0,
486    0,0,0,0,0,0,0,0,
487    1,0,0,0,128,0,0,0,
488    128,128,128,128,0,0,128,0,
489    28,28,28,28,28,28,28,28,
490    28,28,0,0,0,0,0,128,
491    0,26,26,26,26,26,26,18,
492    18,18,18,18,18,18,18,18,
493    18,18,18,18,18,18,18,18,
494    18,18,18,128,128,0,128,16,
495    0,26,26,26,26,26,26,18,
496    18,18,18,18,18,18,18,18,
497    18,18,18,18,18,18,18,18,
498    18,18,18,128,128,0,0,0,
499    0,0,0,0,0,1,0,0,
500    0,0,0,0,0,0,0,0,
501    0,0,0,0,0,0,0,0,
502    0,0,0,0,0,0,0,0,
503    1,0,0,0,0,0,0,0,
504    0,0,18,0,0,0,0,0,
505    0,0,20,20,0,18,0,0,
506    0,20,18,0,0,0,0,0,
507    18,18,18,18,18,18,18,18,
508    18,18,18,18,18,18,18,18,
509    18,18,18,18,18,18,18,0,
510    18,18,18,18,18,18,18,18,
511    18,18,18,18,18,18,18,18,
512    18,18,18,18,18,18,18,18,
513    18,18,18,18,18,18,18,0,
514    18,18,18,18,18,18,18,18
515  };  };
516    
517    
518  static void print_internals(pcre *re)  
519    
520    #ifndef HAVE_STRERROR
521    /*************************************************
522    *     Provide strerror() for non-ANSI libraries  *
523    *************************************************/
524    
525    /* Some old-fashioned systems still around (e.g. SunOS4) don't have strerror()
526    in their libraries, but can provide the same facility by this simple
527    alternative function. */
528    
529    extern int   sys_nerr;
530    extern char *sys_errlist[];
531    
532    char *
533    strerror(int n)
534  {  {
535  unsigned char *code = ((real_pcre *)re)->code;  if (n < 0 || n >= sys_nerr) return "unknown error number";
536    return sys_errlist[n];
537    }
538    #endif /* HAVE_STRERROR */
539    
 fprintf(outfile, "------------------------------------------------------------------\n");  
540    
 for(;;)  
   {  
   int c;  
   int charlength;  
541    
   fprintf(outfile, "%3d ", (int)(code - ((real_pcre *)re)->code));  
542    
543    if (*code >= OP_BRA)  /*************************************************
544    *        Read or extend an input line            *
545    *************************************************/
546    
547    /* Input lines are read into buffer, but both patterns and data lines can be
548    continued over multiple input lines. In addition, if the buffer fills up, we
549    want to automatically expand it so as to be able to handle extremely large
550    lines that are needed for certain stress tests. When the input buffer is
551    expanded, the other two buffers must also be expanded likewise, and the
552    contents of pbuffer, which are a copy of the input for callouts, must be
553    preserved (for when expansion happens for a data line). This is not the most
554    optimal way of handling this, but hey, this is just a test program!
555    
556    Arguments:
557      f            the file to read
558      start        where in buffer to start (this *must* be within buffer)
559      prompt       for stdin or readline()
560    
561    Returns:       pointer to the start of new data
562                   could be a copy of start, or could be moved
563                   NULL if no data read and EOF reached
564    */
565    
566    static uschar *
567    extend_inputline(FILE *f, uschar *start, const char *prompt)
568    {
569    uschar *here = start;
570    
571    for (;;)
572      {
573      int rlen = (int)(buffer_size - (here - buffer));
574    
575      if (rlen > 1000)
576      {      {
577      fprintf(outfile, "%3d Bra %d", (code[1] << 8) + code[2], *code - OP_BRA);      int dlen;
     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;  
578    
579        CLASS_REF_REPEAT:      /* If libreadline support is required, use readline() to read a line if the
580        input is a terminal. Note that readline() removes the trailing newline, so
581        we must put it back again, to be compatible with fgets(). */
582    
583        switch(*code)  #ifdef SUPPORT_LIBREADLINE
584          {      if (isatty(fileno(f)))
585          case OP_CRSTAR:        {
586          case OP_CRMINSTAR:        size_t len;
587          case OP_CRPLUS:        char *s = readline(prompt);
588          case OP_CRMINPLUS:        if (s == NULL) return (here == start)? NULL : start;
589          case OP_CRQUERY:        len = strlen(s);
590          case OP_CRMINQUERY:        if (len > 0) add_history(s);
591          fprintf(outfile, "%s", OP_names[*code]);        if (len > rlen - 1) len = rlen - 1;
592          break;        memcpy(here, s, len);
593          here[len] = '\n';
594          here[len+1] = 0;
595          free(s);
596          }
597        else
598    #endif
599    
600          case OP_CRRANGE:      /* Read the next line by normal means, prompting if the file is stdin. */
         case OP_CRMINRANGE:  
         min = (code[1] << 8) + code[2];  
         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;  
601    
602          default:        {
603          code--;        if (f == stdin) printf("%s", prompt);
604          }        if (fgets((char *)here, rlen,  f) == NULL)
605            return (here == start)? NULL : start;
606          }
607    
608        dlen = (int)strlen((char *)here);
609        if (dlen > 0 && here[dlen - 1] == '\n') return start;
610        here += dlen;
611        }
612    
613      else
614        {
615        int new_buffer_size = 2*buffer_size;
616        uschar *new_buffer = (unsigned char *)malloc(new_buffer_size);
617        uschar *new_dbuffer = (unsigned char *)malloc(new_buffer_size);
618        uschar *new_pbuffer = (unsigned char *)malloc(new_buffer_size);
619    
620        if (new_buffer == NULL || new_dbuffer == NULL || new_pbuffer == NULL)
621          {
622          fprintf(stderr, "pcretest: malloc(%d) failed\n", new_buffer_size);
623          exit(1);
624        }        }
     break;  
625    
626      /* Anything else is just a one-node item */      memcpy(new_buffer, buffer, buffer_size);
627        memcpy(new_pbuffer, pbuffer, buffer_size);
628    
629        buffer_size = new_buffer_size;
630    
631        start = new_buffer + (start - buffer);
632        here = new_buffer + (here - buffer);
633    
634        free(buffer);
635        free(dbuffer);
636        free(pbuffer);
637    
638      default:      buffer = new_buffer;
639      fprintf(outfile, "    %s", OP_names[*code]);      dbuffer = new_dbuffer;
640      break;      pbuffer = new_pbuffer;
641      }      }
642      }
643    
644    return NULL;  /* Control never gets here */
645    }
646    
647    
648    
649    
650    
651    
652    
653    /*************************************************
654    *          Read number from string               *
655    *************************************************/
656    
657    /* We don't use strtoul() because SunOS4 doesn't have it. Rather than mess
658    around with conditional compilation, just do the job by hand. It is only used
659    for unpicking arguments, so just keep it simple.
660    
661    Arguments:
662      str           string to be converted
663      endptr        where to put the end pointer
664    
665    Returns:        the unsigned long
666    */
667    
668    static int
669    get_value(unsigned char *str, unsigned char **endptr)
670    {
671    int result = 0;
672    while(*str != 0 && isspace(*str)) str++;
673    while (isdigit(*str)) result = result * 10 + (int)(*str++ - '0');
674    *endptr = str;
675    return(result);
676    }
677    
678    
679    
680    
681    /*************************************************
682    *            Convert UTF-8 string to value       *
683    *************************************************/
684    
685    code++;  /* This function takes one or more bytes that represents a UTF-8 character,
686    fprintf(outfile, "\n");  and returns the value of the character.
687    
688    Argument:
689      utf8bytes   a pointer to the byte vector
690      vptr        a pointer to an int to receive the value
691    
692    Returns:      >  0 => the number of bytes consumed
693                  -6 to 0 => malformed UTF-8 character at offset = (-return)
694    */
695    
696    #if !defined NOUTF8
697    
698    static int
699    utf82ord(unsigned char *utf8bytes, int *vptr)
700    {
701    int c = *utf8bytes++;
702    int d = c;
703    int i, j, s;
704    
705    for (i = -1; i < 6; i++)               /* i is number of additional bytes */
706      {
707      if ((d & 0x80) == 0) break;
708      d <<= 1;
709    }    }
710    
711    if (i == -1) { *vptr = c; return 1; }  /* ascii character */
712    if (i == 0 || i == 6) return 0;        /* invalid UTF-8 */
713    
714    /* i now has a value in the range 1-5 */
715    
716    s = 6*i;
717    d = (c & utf8_table3[i]) << s;
718    
719    for (j = 0; j < i; j++)
720      {
721      c = *utf8bytes++;
722      if ((c & 0xc0) != 0x80) return -(j+1);
723      s -= 6;
724      d |= (c & 0x3f) << s;
725      }
726    
727    /* Check that encoding was the correct unique one */
728    
729    for (j = 0; j < utf8_table1_size; j++)
730      if (d <= utf8_table1[j]) break;
731    if (j != i) return -(i+1);
732    
733    /* Valid value */
734    
735    *vptr = d;
736    return i+1;
737    }
738    
739    #endif
740    
741    
742    
743    /*************************************************
744    *       Convert character value to UTF-8         *
745    *************************************************/
746    
747    /* This function takes an integer value in the range 0 - 0x7fffffff
748    and encodes it as a UTF-8 character in 0 to 6 bytes.
749    
750    Arguments:
751      cvalue     the character value
752      utf8bytes  pointer to buffer for result - at least 6 bytes long
753    
754    Returns:     number of characters placed in the buffer
755    */
756    
757    #if !defined NOUTF8
758    
759    static int
760    ord2utf8(int cvalue, uschar *utf8bytes)
761    {
762    register int i, j;
763    for (i = 0; i < utf8_table1_size; i++)
764      if (cvalue <= utf8_table1[i]) break;
765    utf8bytes += i;
766    for (j = i; j > 0; j--)
767     {
768     *utf8bytes-- = 0x80 | (cvalue & 0x3f);
769     cvalue >>= 6;
770     }
771    *utf8bytes = utf8_table2[i] | cvalue;
772    return i + 1;
773  }  }
774    
775    #endif
776    
777    
 /* Character string printing function. */  
778    
779  static void pchars(unsigned char *p, int length)  /*************************************************
780    *             Print character string             *
781    *************************************************/
782    
783    /* Character string printing function. Must handle UTF-8 strings in utf8
784    mode. Yields number of characters printed. If handed a NULL file, just counts
785    chars without printing. */
786    
787    static int pchars(unsigned char *p, int length, FILE *f)
788  {  {
789  int c;  int c = 0;
790    int yield = 0;
791    
792  while (length-- > 0)  while (length-- > 0)
793    if (isprint(c = *(p++))) fprintf(outfile, "%c", c);    {
794      else fprintf(outfile, "\\x%02x", c);  #if !defined NOUTF8
795      if (use_utf8)
796        {
797        int rc = utf82ord(p, &c);
798    
799        if (rc > 0 && rc <= length + 1)   /* Mustn't run over the end */
800          {
801          length -= rc - 1;
802          p += rc;
803          if (PRINTHEX(c))
804            {
805            if (f != NULL) fprintf(f, "%c", c);
806            yield++;
807            }
808          else
809            {
810            int n = 4;
811            if (f != NULL) fprintf(f, "\\x{%02x}", c);
812            yield += (n <= 0x000000ff)? 2 :
813                     (n <= 0x00000fff)? 3 :
814                     (n <= 0x0000ffff)? 4 :
815                     (n <= 0x000fffff)? 5 : 6;
816            }
817          continue;
818          }
819        }
820    #endif
821    
822       /* Not UTF-8, or malformed UTF-8  */
823    
824      c = *p++;
825      if (PRINTHEX(c))
826        {
827        if (f != NULL) fprintf(f, "%c", c);
828        yield++;
829        }
830      else
831        {
832        if (f != NULL) fprintf(f, "\\x%02x", c);
833        yield += 4;
834        }
835      }
836    
837    return yield;
838    }
839    
840    
841    
842    /*************************************************
843    *              Callout function                  *
844    *************************************************/
845    
846    /* Called from PCRE as a result of the (?C) item. We print out where we are in
847    the match. Yield zero unless more callouts than the fail count, or the callout
848    data is not zero. */
849    
850    static int callout(pcre_callout_block *cb)
851    {
852    FILE *f = (first_callout | callout_extra)? outfile : NULL;
853    int i, pre_start, post_start, subject_length;
854    
855    if (callout_extra)
856      {
857      fprintf(f, "Callout %d: last capture = %d\n",
858        cb->callout_number, cb->capture_last);
859    
860      for (i = 0; i < cb->capture_top * 2; i += 2)
861        {
862        if (cb->offset_vector[i] < 0)
863          fprintf(f, "%2d: <unset>\n", i/2);
864        else
865          {
866          fprintf(f, "%2d: ", i/2);
867          (void)pchars((unsigned char *)cb->subject + cb->offset_vector[i],
868            cb->offset_vector[i+1] - cb->offset_vector[i], f);
869          fprintf(f, "\n");
870          }
871        }
872      }
873    
874    /* Re-print the subject in canonical form, the first time or if giving full
875    datails. On subsequent calls in the same match, we use pchars just to find the
876    printed lengths of the substrings. */
877    
878    if (f != NULL) fprintf(f, "--->");
879    
880    pre_start = pchars((unsigned char *)cb->subject, cb->start_match, f);
881    post_start = pchars((unsigned char *)(cb->subject + cb->start_match),
882      cb->current_position - cb->start_match, f);
883    
884    subject_length = pchars((unsigned char *)cb->subject, cb->subject_length, NULL);
885    
886    (void)pchars((unsigned char *)(cb->subject + cb->current_position),
887      cb->subject_length - cb->current_position, f);
888    
889    if (f != NULL) fprintf(f, "\n");
890    
891    /* Always print appropriate indicators, with callout number if not already
892    shown. For automatic callouts, show the pattern offset. */
893    
894    if (cb->callout_number == 255)
895      {
896      fprintf(outfile, "%+3d ", cb->pattern_position);
897      if (cb->pattern_position > 99) fprintf(outfile, "\n    ");
898      }
899    else
900      {
901      if (callout_extra) fprintf(outfile, "    ");
902        else fprintf(outfile, "%3d ", cb->callout_number);
903      }
904    
905    for (i = 0; i < pre_start; i++) fprintf(outfile, " ");
906    fprintf(outfile, "^");
907    
908    if (post_start > 0)
909      {
910      for (i = 0; i < post_start - 1; i++) fprintf(outfile, " ");
911      fprintf(outfile, "^");
912      }
913    
914    for (i = 0; i < subject_length - pre_start - post_start + 4; i++)
915      fprintf(outfile, " ");
916    
917    fprintf(outfile, "%.*s", (cb->next_item_length == 0)? 1 : cb->next_item_length,
918      pbuffer + cb->pattern_position);
919    
920    fprintf(outfile, "\n");
921    first_callout = 0;
922    
923    if (cb->callout_data != NULL)
924      {
925      int callout_data = *((int *)(cb->callout_data));
926      if (callout_data != 0)
927        {
928        fprintf(outfile, "Callout data = %d\n", callout_data);
929        return callout_data;
930        }
931      }
932    
933    return (cb->callout_number != callout_fail_id)? 0 :
934           (++callout_count >= callout_fail_count)? 1 : 0;
935  }  }
936    
937    
938    /*************************************************
939    *            Local malloc functions              *
940    *************************************************/
941    
942  /* Alternative malloc function, to test functionality and show the size of the  /* Alternative malloc function, to test functionality and show the size of the
943  compiled re. */  compiled re. */
944    
945  static void *new_malloc(size_t size)  static void *new_malloc(size_t size)
946  {  {
947  if (log_store)  void *block = malloc(size);
948    fprintf(outfile, "Memory allocation (code space): %d\n",  gotten_store = size;
949      (int)((int)size - offsetof(real_pcre, code[0])));  if (show_malloc)
950  return malloc(size);    fprintf(outfile, "malloc       %3d %p\n", (int)size, block);
951    return block;
952    }
953    
954    static void new_free(void *block)
955    {
956    if (show_malloc)
957      fprintf(outfile, "free             %p\n", block);
958    free(block);
959  }  }
960    
961    
962    /* For recursion malloc/free, to test stacking calls */
963    
964    static void *stack_malloc(size_t size)
965    {
966    void *block = malloc(size);
967    if (show_malloc)
968      fprintf(outfile, "stack_malloc %3d %p\n", (int)size, block);
969    return block;
970    }
971    
972    static void stack_free(void *block)
973    {
974    if (show_malloc)
975      fprintf(outfile, "stack_free       %p\n", block);
976    free(block);
977    }
978    
979    
980    /*************************************************
981    *          Call pcre_fullinfo()                  *
982    *************************************************/
983    
984    /* Get one piece of information from the pcre_fullinfo() function */
985    
986    static void new_info(pcre *re, pcre_extra *study, int option, void *ptr)
987    {
988    int rc;
989    if ((rc = pcre_fullinfo(re, study, option, ptr)) < 0)
990      fprintf(outfile, "Error %d from pcre_fullinfo(%d)\n", rc, option);
991    }
992    
993    
994    
995    /*************************************************
996    *         Byte flipping function                 *
997    *************************************************/
998    
999    static unsigned long int
1000    byteflip(unsigned long int value, int n)
1001    {
1002    if (n == 2) return ((value & 0x00ff) << 8) | ((value & 0xff00) >> 8);
1003    return ((value & 0x000000ff) << 24) |
1004           ((value & 0x0000ff00) <<  8) |
1005           ((value & 0x00ff0000) >>  8) |
1006           ((value & 0xff000000) >> 24);
1007    }
1008    
1009    
1010    
1011    
1012    /*************************************************
1013    *        Check match or recursion limit          *
1014    *************************************************/
1015    
1016    static int
1017    check_match_limit(pcre *re, pcre_extra *extra, uschar *bptr, int len,
1018      int start_offset, int options, int *use_offsets, int use_size_offsets,
1019      int flag, unsigned long int *limit, int errnumber, const char *msg)
1020    {
1021    int count;
1022    int min = 0;
1023    int mid = 64;
1024    int max = -1;
1025    
1026    extra->flags |= flag;
1027    
1028    for (;;)
1029      {
1030      *limit = mid;
1031    
1032      count = pcre_exec(re, extra, (char *)bptr, len, start_offset, options,
1033        use_offsets, use_size_offsets);
1034    
1035      if (count == errnumber)
1036        {
1037        /* fprintf(outfile, "Testing %s limit = %d\n", msg, mid); */
1038        min = mid;
1039        mid = (mid == max - 1)? max : (max > 0)? (min + max)/2 : mid*2;
1040        }
1041    
1042      else if (count >= 0 || count == PCRE_ERROR_NOMATCH ||
1043                             count == PCRE_ERROR_PARTIAL)
1044        {
1045        if (mid == min + 1)
1046          {
1047          fprintf(outfile, "Minimum %s limit = %d\n", msg, mid);
1048          break;
1049          }
1050        /* fprintf(outfile, "Testing %s limit = %d\n", msg, mid); */
1051        max = mid;
1052        mid = (min + mid)/2;
1053        }
1054      else break;    /* Some other error */
1055      }
1056    
1057    extra->flags &= ~flag;
1058    return count;
1059    }
1060    
1061    
1062    
1063    /*************************************************
1064    *         Case-independent strncmp() function    *
1065    *************************************************/
1066    
1067    /*
1068    Arguments:
1069      s         first string
1070      t         second string
1071      n         number of characters to compare
1072    
1073    Returns:    < 0, = 0, or > 0, according to the comparison
1074    */
1075    
1076    static int
1077    strncmpic(uschar *s, uschar *t, int n)
1078    {
1079    while (n--)
1080      {
1081      int c = tolower(*s++) - tolower(*t++);
1082      if (c) return c;
1083      }
1084    return 0;
1085    }
1086    
1087    
1088    
1089    /*************************************************
1090    *         Check newline indicator                *
1091    *************************************************/
1092    
1093    /* This is used both at compile and run-time to check for <xxx> escapes. Print
1094    a message and return 0 if there is no match.
1095    
1096    Arguments:
1097      p           points after the leading '<'
1098      f           file for error message
1099    
1100    Returns:      appropriate PCRE_NEWLINE_xxx flags, or 0
1101    */
1102    
1103    static int
1104    check_newline(uschar *p, FILE *f)
1105    {
1106    if (strncmpic(p, (uschar *)"cr>", 3) == 0) return PCRE_NEWLINE_CR;
1107    if (strncmpic(p, (uschar *)"lf>", 3) == 0) return PCRE_NEWLINE_LF;
1108    if (strncmpic(p, (uschar *)"crlf>", 5) == 0) return PCRE_NEWLINE_CRLF;
1109    if (strncmpic(p, (uschar *)"anycrlf>", 8) == 0) return PCRE_NEWLINE_ANYCRLF;
1110    if (strncmpic(p, (uschar *)"any>", 4) == 0) return PCRE_NEWLINE_ANY;
1111    if (strncmpic(p, (uschar *)"bsr_anycrlf>", 12) == 0) return PCRE_BSR_ANYCRLF;
1112    if (strncmpic(p, (uschar *)"bsr_unicode>", 12) == 0) return PCRE_BSR_UNICODE;
1113    fprintf(f, "Unknown newline type at: <%s\n", p);
1114    return 0;
1115    }
1116    
1117    
1118    
1119    /*************************************************
1120    *             Usage function                     *
1121    *************************************************/
1122    
1123    static void
1124    usage(void)
1125    {
1126    printf("Usage:     pcretest [options] [<input file> [<output file>]]\n\n");
1127    printf("Input and output default to stdin and stdout.\n");
1128    #ifdef SUPPORT_LIBREADLINE
1129    printf("If input is a terminal, readline() is used to read from it.\n");
1130    #else
1131    printf("This version of pcretest is not linked with readline().\n");
1132    #endif
1133    printf("\nOptions:\n");
1134    printf("  -b       show compiled code (bytecode)\n");
1135    printf("  -C       show PCRE compile-time options and exit\n");
1136    printf("  -d       debug: show compiled code and information (-b and -i)\n");
1137    #if !defined NODFA
1138    printf("  -dfa     force DFA matching for all subjects\n");
1139    #endif
1140    printf("  -help    show usage information\n");
1141    printf("  -i       show information about compiled patterns\n"
1142           "  -M       find MATCH_LIMIT minimum for each subject\n"
1143           "  -m       output memory used information\n"
1144           "  -o <n>   set size of offsets vector to <n>\n");
1145    #if !defined NOPOSIX
1146    printf("  -p       use POSIX interface\n");
1147    #endif
1148    printf("  -q       quiet: do not output PCRE version number at start\n");
1149    printf("  -S <n>   set stack size to <n> megabytes\n");
1150    printf("  -s       output store (memory) used information\n"
1151           "  -t       time compilation and execution\n");
1152    printf("  -t <n>   time compilation and execution, repeating <n> times\n");
1153    printf("  -tm      time execution (matching) only\n");
1154    printf("  -tm <n>  time execution (matching) only, repeating <n> times\n");
1155    }
1156    
1157    
1158    
1159    /*************************************************
1160    *                Main Program                    *
1161    *************************************************/
1162    
1163  /* 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
1164  consist of a regular expression, in delimiters and optionally followed by  consist of a regular expression, in delimiters and optionally followed by
# Line 298  int main(int argc, char **argv) Line 1169  int main(int argc, char **argv)
1169  FILE *infile = stdin;  FILE *infile = stdin;
1170  int options = 0;  int options = 0;
1171  int study_options = 0;  int study_options = 0;
1172    int default_find_match_limit = FALSE;
1173  int op = 1;  int op = 1;
1174  int timeit = 0;  int timeit = 0;
1175    int timeitm = 0;
1176  int showinfo = 0;  int showinfo = 0;
1177  int showstore = 0;  int showstore = 0;
1178    int quiet = 0;
1179    int size_offsets = 45;
1180    int size_offsets_max;
1181    int *offsets = NULL;
1182    #if !defined NOPOSIX
1183  int posix = 0;  int posix = 0;
1184    #endif
1185  int debug = 0;  int debug = 0;
1186  int done = 0;  int done = 0;
1187  unsigned char buffer[30000];  int all_use_dfa = 0;
1188  unsigned char dbuffer[1024];  int yield = 0;
1189    int stack_size;
1190    
1191    /* These vectors store, end-to-end, a list of captured substring names. Assume
1192    that 1024 is plenty long enough for the few names we'll be testing. */
1193    
1194    uschar copynames[1024];
1195    uschar getnames[1024];
1196    
1197    uschar *copynamesptr;
1198    uschar *getnamesptr;
1199    
1200    /* Get buffers from malloc() so that Electric Fence will check their misuse
1201    when I am debugging. They grow automatically when very long lines are read. */
1202    
1203    buffer = (unsigned char *)malloc(buffer_size);
1204    dbuffer = (unsigned char *)malloc(buffer_size);
1205    pbuffer = (unsigned char *)malloc(buffer_size);
1206    
1207  /* Static so that new_malloc can use it. */  /* The outfile variable is static so that new_malloc can use it. */
1208    
1209  outfile = stdout;  outfile = stdout;
1210    
1211    /* The following  _setmode() stuff is some Windows magic that tells its runtime
1212    library to translate CRLF into a single LF character. At least, that's what
1213    I've been told: never having used Windows I take this all on trust. Originally
1214    it set 0x8000, but then I was advised that _O_BINARY was better. */
1215    
1216    #if defined(_WIN32) || defined(WIN32)
1217    _setmode( _fileno( stdout ), _O_BINARY );
1218    #endif
1219    
1220  /* Scan options */  /* Scan options */
1221    
1222  while (argc > 1 && argv[op][0] == '-')  while (argc > 1 && argv[op][0] == '-')
1223    {    {
1224      unsigned char *endptr;
1225    
1226    if (strcmp(argv[op], "-s") == 0 || strcmp(argv[op], "-m") == 0)    if (strcmp(argv[op], "-s") == 0 || strcmp(argv[op], "-m") == 0)
1227      showstore = 1;      showstore = 1;
1228    else if (strcmp(argv[op], "-t") == 0) timeit = 1;    else if (strcmp(argv[op], "-q") == 0) quiet = 1;
1229      else if (strcmp(argv[op], "-b") == 0) debug = 1;
1230    else if (strcmp(argv[op], "-i") == 0) showinfo = 1;    else if (strcmp(argv[op], "-i") == 0) showinfo = 1;
1231    else if (strcmp(argv[op], "-d") == 0) showinfo = debug = 1;    else if (strcmp(argv[op], "-d") == 0) showinfo = debug = 1;
1232      else if (strcmp(argv[op], "-M") == 0) default_find_match_limit = TRUE;
1233    #if !defined NODFA
1234      else if (strcmp(argv[op], "-dfa") == 0) all_use_dfa = 1;
1235    #endif
1236      else if (strcmp(argv[op], "-o") == 0 && argc > 2 &&
1237          ((size_offsets = get_value((unsigned char *)argv[op+1], &endptr)),
1238            *endptr == 0))
1239        {
1240        op++;
1241        argc--;
1242        }
1243      else if (strcmp(argv[op], "-t") == 0 || strcmp(argv[op], "-tm") == 0)
1244        {
1245        int both = argv[op][2] == 0;
1246        int temp;
1247        if (argc > 2 && (temp = get_value((unsigned char *)argv[op+1], &endptr),
1248                         *endptr == 0))
1249          {
1250          timeitm = temp;
1251          op++;
1252          argc--;
1253          }
1254        else timeitm = LOOPREPEAT;
1255        if (both) timeit = timeitm;
1256        }
1257      else if (strcmp(argv[op], "-S") == 0 && argc > 2 &&
1258          ((stack_size = get_value((unsigned char *)argv[op+1], &endptr)),
1259            *endptr == 0))
1260        {
1261    #if defined(_WIN32) || defined(WIN32)
1262        printf("PCRE: -S not supported on this OS\n");
1263        exit(1);
1264    #else
1265        int rc;
1266        struct rlimit rlim;
1267        getrlimit(RLIMIT_STACK, &rlim);
1268        rlim.rlim_cur = stack_size * 1024 * 1024;
1269        rc = setrlimit(RLIMIT_STACK, &rlim);
1270        if (rc != 0)
1271          {
1272        printf("PCRE: setrlimit() failed with error %d\n", rc);
1273        exit(1);
1274          }
1275        op++;
1276        argc--;
1277    #endif
1278        }
1279    #if !defined NOPOSIX
1280    else if (strcmp(argv[op], "-p") == 0) posix = 1;    else if (strcmp(argv[op], "-p") == 0) posix = 1;
1281    #endif
1282      else if (strcmp(argv[op], "-C") == 0)
1283        {
1284        int rc;
1285        unsigned long int lrc;
1286        printf("PCRE version %s\n", pcre_version());
1287        printf("Compiled with\n");
1288        (void)pcre_config(PCRE_CONFIG_UTF8, &rc);
1289        printf("  %sUTF-8 support\n", rc? "" : "No ");
1290        (void)pcre_config(PCRE_CONFIG_UNICODE_PROPERTIES, &rc);
1291        printf("  %sUnicode properties support\n", rc? "" : "No ");
1292        (void)pcre_config(PCRE_CONFIG_NEWLINE, &rc);
1293        /* Note that these values are always the ASCII values, even
1294        in EBCDIC environments. CR is 13 and NL is 10. */
1295        printf("  Newline sequence is %s\n", (rc == 13)? "CR" :
1296          (rc == 10)? "LF" : (rc == (13<<8 | 10))? "CRLF" :
1297          (rc == -2)? "ANYCRLF" :
1298          (rc == -1)? "ANY" : "???");
1299        (void)pcre_config(PCRE_CONFIG_BSR, &rc);
1300        printf("  \\R matches %s\n", rc? "CR, LF, or CRLF only" :
1301                                         "all Unicode newlines");
1302        (void)pcre_config(PCRE_CONFIG_LINK_SIZE, &rc);
1303        printf("  Internal link size = %d\n", rc);
1304        (void)pcre_config(PCRE_CONFIG_POSIX_MALLOC_THRESHOLD, &rc);
1305        printf("  POSIX malloc threshold = %d\n", rc);
1306        (void)pcre_config(PCRE_CONFIG_MATCH_LIMIT, &lrc);
1307        printf("  Default match limit = %ld\n", lrc);
1308        (void)pcre_config(PCRE_CONFIG_MATCH_LIMIT_RECURSION, &lrc);
1309        printf("  Default recursion depth limit = %ld\n", lrc);
1310        (void)pcre_config(PCRE_CONFIG_STACKRECURSE, &rc);
1311        printf("  Match recursion uses %s\n", rc? "stack" : "heap");
1312        goto EXIT;
1313        }
1314      else if (strcmp(argv[op], "-help") == 0 ||
1315               strcmp(argv[op], "--help") == 0)
1316        {
1317        usage();
1318        goto EXIT;
1319        }
1320    else    else
1321      {      {
1322      printf("*** Unknown option %s\n", argv[op]);      printf("** Unknown or malformed option %s\n", argv[op]);
1323      printf("Usage: pcretest [-d] [-i] [-p] [-s] [-t] [<input> [<output>]]\n");      usage();
1324      printf("  -d   debug: show compiled code; implies -i\n"      yield = 1;
1325             "  -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;  
1326      }      }
1327    op++;    op++;
1328    argc--;    argc--;
1329    }    }
1330    
1331    /* Get the store for the offsets vector, and remember what it was */
1332    
1333    size_offsets_max = size_offsets;
1334    offsets = (int *)malloc(size_offsets_max * sizeof(int));
1335    if (offsets == NULL)
1336      {
1337      printf("** Failed to get %d bytes of memory for offsets vector\n",
1338        (int)(size_offsets_max * sizeof(int)));
1339      yield = 1;
1340      goto EXIT;
1341      }
1342    
1343  /* Sort out the input and output files */  /* Sort out the input and output files */
1344    
1345  if (argc > 1)  if (argc > 1)
1346    {    {
1347    infile = fopen(argv[op], "r");    infile = fopen(argv[op], INPUT_MODE);
1348    if (infile == NULL)    if (infile == NULL)
1349      {      {
1350      printf("** Failed to open %s\n", argv[op]);      printf("** Failed to open %s\n", argv[op]);
1351      return 1;      yield = 1;
1352        goto EXIT;
1353      }      }
1354    }    }
1355    
1356  if (argc > 2)  if (argc > 2)
1357    {    {
1358    outfile = fopen(argv[op+1], "w");    outfile = fopen(argv[op+1], OUTPUT_MODE);
1359    if (outfile == NULL)    if (outfile == NULL)
1360      {      {
1361      printf("** Failed to open %s\n", argv[op+1]);      printf("** Failed to open %s\n", argv[op+1]);
1362      return 1;      yield = 1;
1363        goto EXIT;
1364      }      }
1365    }    }
1366    
1367  /* Set alternative malloc function */  /* Set alternative malloc function */
1368    
1369  pcre_malloc = new_malloc;  pcre_malloc = new_malloc;
1370    pcre_free = new_free;
1371    pcre_stack_malloc = stack_malloc;
1372    pcre_stack_free = stack_free;
1373    
1374  /* Heading line, then prompt for first regex if stdin */  /* Heading line unless quiet, then prompt for first regex if stdin */
1375    
1376  fprintf(outfile, "PCRE version %s\n\n", pcre_version());  if (!quiet) fprintf(outfile, "PCRE version %s\n\n", pcre_version());
1377    
1378  /* Main loop */  /* Main loop */
1379    
# Line 376  while (!done) Line 1384  while (!done)
1384    
1385  #if !defined NOPOSIX  /* There are still compilers that require no indent */  #if !defined NOPOSIX  /* There are still compilers that require no indent */
1386    regex_t preg;    regex_t preg;
1387      int do_posix = 0;
1388  #endif  #endif
1389    
1390    const char *error;    const char *error;
1391      unsigned char *markptr;
1392    unsigned char *p, *pp, *ppp;    unsigned char *p, *pp, *ppp;
1393    unsigned const char *tables = NULL;    unsigned char *to_file = NULL;
1394      const unsigned char *tables = NULL;
1395      unsigned long int true_size, true_study_size = 0;
1396      size_t size, regex_gotten_store;
1397      int do_mark = 0;
1398    int do_study = 0;    int do_study = 0;
1399    int do_debug = debug;    int do_debug = debug;
1400    int do_G = 0;    int do_G = 0;
1401    int do_g = 0;    int do_g = 0;
1402    int do_showinfo = showinfo;    int do_showinfo = showinfo;
1403    int do_showrest = 0;    int do_showrest = 0;
1404    int do_posix = 0;    int do_flip = 0;
1405    int erroroffset, len, delimiter;    int erroroffset, len, delimiter, poffset;
1406    
1407    if (infile == stdin) printf("  re> ");    use_utf8 = 0;
1408    if (fgets((char *)buffer, sizeof(buffer), infile) == NULL) break;    debug_lengths = 1;
1409    
1410      if (extend_inputline(infile, buffer, "  re> ") == NULL) break;
1411    if (infile != stdin) fprintf(outfile, "%s", (char *)buffer);    if (infile != stdin) fprintf(outfile, "%s", (char *)buffer);
1412      fflush(outfile);
1413    
1414    p = buffer;    p = buffer;
1415    while (isspace(*p)) p++;    while (isspace(*p)) p++;
1416    if (*p == 0) continue;    if (*p == 0) continue;
1417    
1418    /* 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. */
1419    complete, read more. */  
1420      if (*p == '<' && strchr((char *)(p+1), '<') == NULL)
1421        {
1422        unsigned long int magic, get_options;
1423        uschar sbuf[8];
1424        FILE *f;
1425    
1426        p++;
1427        pp = p + (int)strlen((char *)p);
1428        while (isspace(pp[-1])) pp--;
1429        *pp = 0;
1430    
1431        f = fopen((char *)p, "rb");
1432        if (f == NULL)
1433          {
1434          fprintf(outfile, "Failed to open %s: %s\n", p, strerror(errno));
1435          continue;
1436          }
1437    
1438        if (fread(sbuf, 1, 8, f) != 8) goto FAIL_READ;
1439    
1440        true_size =
1441          (sbuf[0] << 24) | (sbuf[1] << 16) | (sbuf[2] << 8) | sbuf[3];
1442        true_study_size =
1443          (sbuf[4] << 24) | (sbuf[5] << 16) | (sbuf[6] << 8) | sbuf[7];
1444    
1445        re = (real_pcre *)new_malloc(true_size);
1446        regex_gotten_store = gotten_store;
1447    
1448        if (fread(re, 1, true_size, f) != true_size) goto FAIL_READ;
1449    
1450        magic = ((real_pcre *)re)->magic_number;
1451        if (magic != MAGIC_NUMBER)
1452          {
1453          if (byteflip(magic, sizeof(magic)) == MAGIC_NUMBER)
1454            {
1455            do_flip = 1;
1456            }
1457          else
1458            {
1459            fprintf(outfile, "Data in %s is not a compiled PCRE regex\n", p);
1460            fclose(f);
1461            continue;
1462            }
1463          }
1464    
1465        fprintf(outfile, "Compiled regex%s loaded from %s\n",
1466          do_flip? " (byte-inverted)" : "", p);
1467    
1468        /* Need to know if UTF-8 for printing data strings */
1469    
1470        new_info(re, NULL, PCRE_INFO_OPTIONS, &get_options);
1471        use_utf8 = (get_options & PCRE_UTF8) != 0;
1472    
1473        /* Now see if there is any following study data */
1474    
1475        if (true_study_size != 0)
1476          {
1477          pcre_study_data *psd;
1478    
1479          extra = (pcre_extra *)new_malloc(sizeof(pcre_extra) + true_study_size);
1480          extra->flags = PCRE_EXTRA_STUDY_DATA;
1481    
1482          psd = (pcre_study_data *)(((char *)extra) + sizeof(pcre_extra));
1483          extra->study_data = psd;
1484    
1485          if (fread(psd, 1, true_study_size, f) != true_study_size)
1486            {
1487            FAIL_READ:
1488            fprintf(outfile, "Failed to read data from %s\n", p);
1489            if (extra != NULL) new_free(extra);
1490            if (re != NULL) new_free(re);
1491            fclose(f);
1492            continue;
1493            }
1494          fprintf(outfile, "Study data loaded from %s\n", p);
1495          do_study = 1;     /* To get the data output if requested */
1496          }
1497        else fprintf(outfile, "No study data\n");
1498    
1499        fclose(f);
1500        goto SHOW_INFO;
1501        }
1502    
1503      /* In-line pattern (the usual case). Get the delimiter and seek the end of
1504      the pattern; if is isn't complete, read more. */
1505    
1506    delimiter = *p++;    delimiter = *p++;
1507    
1508    if (isalnum(delimiter) || delimiter == '\\')    if (isalnum(delimiter) || delimiter == '\\')
1509      {      {
1510      fprintf(outfile, "** Delimiter must not be alphameric or \\\n");      fprintf(outfile, "** Delimiter must not be alphanumeric or \\\n");
1511      goto SKIP_DATA;      goto SKIP_DATA;
1512      }      }
1513    
1514    pp = p;    pp = p;
1515      poffset = (int)(p - buffer);
1516    
1517    for(;;)    for(;;)
1518      {      {
# Line 420  while (!done) Line 1523  while (!done)
1523        pp++;        pp++;
1524        }        }
1525      if (*pp != 0) break;      if (*pp != 0) break;
1526        if ((pp = extend_inputline(infile, pp, "    > ")) == NULL)
     len = sizeof(buffer) - (pp - buffer);  
     if (len < 256)  
       {  
       fprintf(outfile, "** Expression too long - missing delimiter?\n");  
       goto SKIP_DATA;  
       }  
   
     if (infile == stdin) printf("    > ");  
     if (fgets((char *)pp, len, infile) == NULL)  
1527        {        {
1528        fprintf(outfile, "** Unexpected EOF\n");        fprintf(outfile, "** Unexpected EOF\n");
1529        done = 1;        done = 1;
# Line 438  while (!done) Line 1532  while (!done)
1532      if (infile != stdin) fprintf(outfile, "%s", (char *)pp);      if (infile != stdin) fprintf(outfile, "%s", (char *)pp);
1533      }      }
1534    
1535      /* The buffer may have moved while being extended; reset the start of data
1536      pointer to the correct relative point in the buffer. */
1537    
1538      p = buffer + poffset;
1539    
1540    /* If the first character after the delimiter is backslash, make    /* If the first character after the delimiter is backslash, make
1541    the pattern end with backslash. This is purely to provide a way    the pattern end with backslash. This is purely to provide a way
1542    of testing for the error message when a pattern ends with backslash. */    of testing for the error message when a pattern ends with backslash. */
1543    
1544    if (pp[1] == '\\') *pp++ = '\\';    if (pp[1] == '\\') *pp++ = '\\';
1545    
1546    /* Terminate the pattern at the delimiter */    /* Terminate the pattern at the delimiter, and save a copy of the pattern
1547      for callouts. */
1548    
1549    *pp++ = 0;    *pp++ = 0;
1550      strcpy((char *)pbuffer, (char *)p);
1551    
1552    /* Look for options after final delimiter */    /* Look for options after final delimiter */
1553    
# Line 458  while (!done) Line 1559  while (!done)
1559      {      {
1560      switch (*pp++)      switch (*pp++)
1561        {        {
1562          case 'f': options |= PCRE_FIRSTLINE; break;
1563        case 'g': do_g = 1; break;        case 'g': do_g = 1; break;
1564        case 'i': options |= PCRE_CASELESS; break;        case 'i': options |= PCRE_CASELESS; break;
1565        case 'm': options |= PCRE_MULTILINE; break;        case 'm': options |= PCRE_MULTILINE; break;
# Line 466  while (!done) Line 1568  while (!done)
1568    
1569        case '+': do_showrest = 1; break;        case '+': do_showrest = 1; break;
1570        case 'A': options |= PCRE_ANCHORED; break;        case 'A': options |= PCRE_ANCHORED; break;
1571          case 'B': do_debug = 1; break;
1572          case 'C': options |= PCRE_AUTO_CALLOUT; break;
1573        case 'D': do_debug = do_showinfo = 1; break;        case 'D': do_debug = do_showinfo = 1; break;
1574        case 'E': options |= PCRE_DOLLAR_ENDONLY; break;        case 'E': options |= PCRE_DOLLAR_ENDONLY; break;
1575          case 'F': do_flip = 1; break;
1576        case 'G': do_G = 1; break;        case 'G': do_G = 1; break;
1577        case 'I': do_showinfo = 1; break;        case 'I': do_showinfo = 1; break;
1578          case 'J': options |= PCRE_DUPNAMES; break;
1579          case 'K': do_mark = 1; break;
1580        case 'M': log_store = 1; break;        case 'M': log_store = 1; break;
1581          case 'N': options |= PCRE_NO_AUTO_CAPTURE; break;
1582    
1583  #if !defined NOPOSIX  #if !defined NOPOSIX
1584        case 'P': do_posix = 1; break;        case 'P': do_posix = 1; break;
# Line 478  while (!done) Line 1586  while (!done)
1586    
1587        case 'S': do_study = 1; break;        case 'S': do_study = 1; break;
1588        case 'U': options |= PCRE_UNGREEDY; break;        case 'U': options |= PCRE_UNGREEDY; break;
1589          case 'W': options |= PCRE_UCP; break;
1590        case 'X': options |= PCRE_EXTRA; break;        case 'X': options |= PCRE_EXTRA; break;
1591          case 'Z': debug_lengths = 0; break;
1592          case '8': options |= PCRE_UTF8; use_utf8 = 1; break;
1593          case '?': options |= PCRE_NO_UTF8_CHECK; break;
1594    
1595          case 'T':
1596          switch (*pp++)
1597            {
1598            case '0': tables = tables0; break;
1599            case '1': tables = tables1; break;
1600    
1601            case '\r':
1602            case '\n':
1603            case ' ':
1604            case 0:
1605            fprintf(outfile, "** Missing table number after /T\n");
1606            goto SKIP_DATA;
1607    
1608            default:
1609            fprintf(outfile, "** Bad table number \"%c\" after /T\n", pp[-1]);
1610            goto SKIP_DATA;
1611            }
1612          break;
1613    
1614        case 'L':        case 'L':
1615        ppp = pp;        ppp = pp;
1616        while (*ppp != '\n' && *ppp != ' ') ppp++;        /* The '\r' test here is so that it works on Windows. */
1617          /* The '0' test is just in case this is an unterminated line. */
1618          while (*ppp != 0 && *ppp != '\n' && *ppp != '\r' && *ppp != ' ') ppp++;
1619        *ppp = 0;        *ppp = 0;
1620        if (setlocale(LC_CTYPE, (const char *)pp) == NULL)        if (setlocale(LC_CTYPE, (const char *)pp) == NULL)
1621          {          {
1622          fprintf(outfile, "** Failed to set locale \"%s\"\n", pp);          fprintf(outfile, "** Failed to set locale \"%s\"\n", pp);
1623          goto SKIP_DATA;          goto SKIP_DATA;
1624          }          }
1625          locale_set = 1;
1626        tables = pcre_maketables();        tables = pcre_maketables();
1627        pp = ppp;        pp = ppp;
1628        break;        break;
1629    
1630        case '\n': case ' ': break;        case '>':
1631          to_file = pp;
1632          while (*pp != 0) pp++;
1633          while (isspace(pp[-1])) pp--;
1634          *pp = 0;
1635          break;
1636    
1637          case '<':
1638            {
1639            if (strncmpic(pp, (uschar *)"JS>", 3) == 0)
1640              {
1641              options |= PCRE_JAVASCRIPT_COMPAT;
1642              pp += 3;
1643              }
1644            else
1645              {
1646              int x = check_newline(pp, outfile);
1647              if (x == 0) goto SKIP_DATA;
1648              options |= x;
1649              while (*pp++ != '>');
1650              }
1651            }
1652          break;
1653    
1654          case '\r':                      /* So that it works in Windows */
1655          case '\n':
1656          case ' ':
1657          break;
1658    
1659        default:        default:
1660        fprintf(outfile, "** Unknown option '%c'\n", pp[-1]);        fprintf(outfile, "** Unknown option '%c'\n", pp[-1]);
1661        goto SKIP_DATA;        goto SKIP_DATA;
# Line 509  while (!done) Line 1671  while (!done)
1671      {      {
1672      int rc;      int rc;
1673      int cflags = 0;      int cflags = 0;
1674    
1675      if ((options & PCRE_CASELESS) != 0) cflags |= REG_ICASE;      if ((options & PCRE_CASELESS) != 0) cflags |= REG_ICASE;
1676      if ((options & PCRE_MULTILINE) != 0) cflags |= REG_NEWLINE;      if ((options & PCRE_MULTILINE) != 0) cflags |= REG_NEWLINE;
1677        if ((options & PCRE_DOTALL) != 0) cflags |= REG_DOTALL;
1678        if ((options & PCRE_NO_AUTO_CAPTURE) != 0) cflags |= REG_NOSUB;
1679        if ((options & PCRE_UTF8) != 0) cflags |= REG_UTF8;
1680        if ((options & PCRE_UCP) != 0) cflags |= REG_UCP;
1681        if ((options & PCRE_UNGREEDY) != 0) cflags |= REG_UNGREEDY;
1682    
1683      rc = regcomp(&preg, (char *)p, cflags);      rc = regcomp(&preg, (char *)p, cflags);
1684    
1685      /* Compilation failed; go back for another re, skipping to blank line      /* Compilation failed; go back for another re, skipping to blank line
# Line 518  while (!done) Line 1687  while (!done)
1687    
1688      if (rc != 0)      if (rc != 0)
1689        {        {
1690        (void)regerror(rc, &preg, (char *)buffer, sizeof(buffer));        (void)regerror(rc, &preg, (char *)buffer, buffer_size);
1691        fprintf(outfile, "Failed: POSIX code %d: %s\n", rc, buffer);        fprintf(outfile, "Failed: POSIX code %d: %s\n", rc, buffer);
1692        goto SKIP_DATA;        goto SKIP_DATA;
1693        }        }
# Line 530  while (!done) Line 1699  while (!done)
1699  #endif  /* !defined NOPOSIX */  #endif  /* !defined NOPOSIX */
1700    
1701      {      {
1702      if (timeit)      unsigned long int get_options;
1703    
1704        if (timeit > 0)
1705        {        {
1706        register int i;        register int i;
1707        clock_t time_taken;        clock_t time_taken;
1708        clock_t start_time = clock();        clock_t start_time = clock();
1709        for (i = 0; i < LOOPREPEAT; i++)        for (i = 0; i < timeit; i++)
1710          {          {
1711          re = pcre_compile((char *)p, options, &error, &erroroffset, tables);          re = pcre_compile((char *)p, options, &error, &erroroffset, tables);
1712          if (re != NULL) free(re);          if (re != NULL) free(re);
1713          }          }
1714        time_taken = clock() - start_time;        time_taken = clock() - start_time;
1715        fprintf(outfile, "Compile time %.3f milliseconds\n",        fprintf(outfile, "Compile time %.4f milliseconds\n",
1716          ((double)time_taken * 1000.0) /          (((double)time_taken * 1000.0) / (double)timeit) /
1717          ((double)LOOPREPEAT * (double)CLOCKS_PER_SEC));            (double)CLOCKS_PER_SEC);
1718        }        }
1719    
1720      re = pcre_compile((char *)p, options, &error, &erroroffset, tables);      re = pcre_compile((char *)p, options, &error, &erroroffset, tables);
# Line 559  while (!done) Line 1730  while (!done)
1730          {          {
1731          for (;;)          for (;;)
1732            {            {
1733            if (fgets((char *)buffer, sizeof(buffer), infile) == NULL)            if (extend_inputline(infile, buffer, NULL) == NULL)
1734              {              {
1735              done = 1;              done = 1;
1736              goto CONTINUE;              goto CONTINUE;
# Line 573  while (!done) Line 1744  while (!done)
1744        goto CONTINUE;        goto CONTINUE;
1745        }        }
1746    
1747      /* Compilation succeeded; print data if required */      /* Compilation succeeded. It is now possible to set the UTF-8 option from
1748        within the regex; check for this so that we know how to process the data
1749        lines. */
1750    
1751        new_info(re, NULL, PCRE_INFO_OPTIONS, &get_options);
1752        if ((get_options & PCRE_UTF8) != 0) use_utf8 = 1;
1753    
1754        /* Print information if required. There are now two info-returning
1755        functions. The old one has a limited interface and returns only limited
1756        data. Check that it agrees with the newer one. */
1757    
1758        if (log_store)
1759          fprintf(outfile, "Memory allocation (code space): %d\n",
1760            (int)(gotten_store -
1761                  sizeof(real_pcre) -
1762                  ((real_pcre *)re)->name_count * ((real_pcre *)re)->name_entry_size));
1763    
1764        /* Extract the size for possible writing before possibly flipping it,
1765        and remember the store that was got. */
1766    
1767        true_size = ((real_pcre *)re)->size;
1768        regex_gotten_store = gotten_store;
1769    
1770        /* If /S was present, study the regexp to generate additional info to
1771        help with the matching. */
1772    
1773        if (do_study)
1774          {
1775          if (timeit > 0)
1776            {
1777            register int i;
1778            clock_t time_taken;
1779            clock_t start_time = clock();
1780            for (i = 0; i < timeit; i++)
1781              extra = pcre_study(re, study_options, &error);
1782            time_taken = clock() - start_time;
1783            if (extra != NULL) free(extra);
1784            fprintf(outfile, "  Study time %.4f milliseconds\n",
1785              (((double)time_taken * 1000.0) / (double)timeit) /
1786                (double)CLOCKS_PER_SEC);
1787            }
1788          extra = pcre_study(re, study_options, &error);
1789          if (error != NULL)
1790            fprintf(outfile, "Failed to study: %s\n", error);
1791          else if (extra != NULL)
1792            true_study_size = ((pcre_study_data *)(extra->study_data))->size;
1793          }
1794    
1795        /* If /K was present, we set up for handling MARK data. */
1796    
1797        if (do_mark)
1798          {
1799          if (extra == NULL)
1800            {
1801            extra = (pcre_extra *)malloc(sizeof(pcre_extra));
1802            extra->flags = 0;
1803            }
1804          extra->mark = &markptr;
1805          extra->flags |= PCRE_EXTRA_MARK;
1806          }
1807    
1808        /* If the 'F' option was present, we flip the bytes of all the integer
1809        fields in the regex data block and the study block. This is to make it
1810        possible to test PCRE's handling of byte-flipped patterns, e.g. those
1811        compiled on a different architecture. */
1812    
1813        if (do_flip)
1814          {
1815          real_pcre *rre = (real_pcre *)re;
1816          rre->magic_number =
1817            byteflip(rre->magic_number, sizeof(rre->magic_number));
1818          rre->size = byteflip(rre->size, sizeof(rre->size));
1819          rre->options = byteflip(rre->options, sizeof(rre->options));
1820          rre->flags = (pcre_uint16)byteflip(rre->flags, sizeof(rre->flags));
1821          rre->top_bracket =
1822            (pcre_uint16)byteflip(rre->top_bracket, sizeof(rre->top_bracket));
1823          rre->top_backref =
1824            (pcre_uint16)byteflip(rre->top_backref, sizeof(rre->top_backref));
1825          rre->first_byte =
1826            (pcre_uint16)byteflip(rre->first_byte, sizeof(rre->first_byte));
1827          rre->req_byte =
1828            (pcre_uint16)byteflip(rre->req_byte, sizeof(rre->req_byte));
1829          rre->name_table_offset = (pcre_uint16)byteflip(rre->name_table_offset,
1830            sizeof(rre->name_table_offset));
1831          rre->name_entry_size = (pcre_uint16)byteflip(rre->name_entry_size,
1832            sizeof(rre->name_entry_size));
1833          rre->name_count = (pcre_uint16)byteflip(rre->name_count,
1834            sizeof(rre->name_count));
1835    
1836          if (extra != NULL)
1837            {
1838            pcre_study_data *rsd = (pcre_study_data *)(extra->study_data);
1839            rsd->size = byteflip(rsd->size, sizeof(rsd->size));
1840            rsd->flags = byteflip(rsd->flags, sizeof(rsd->flags));
1841            rsd->minlength = byteflip(rsd->minlength, sizeof(rsd->minlength));
1842            }
1843          }
1844    
1845        /* Extract information from the compiled data if required */
1846    
1847        SHOW_INFO:
1848    
1849        if (do_debug)
1850          {
1851          fprintf(outfile, "------------------------------------------------------------------\n");
1852          pcre_printint(re, outfile, debug_lengths);
1853          }
1854    
1855        /* We already have the options in get_options (see above) */
1856    
1857        if (do_showinfo)
1858          {
1859          unsigned long int all_options;
1860    #if !defined NOINFOCHECK
1861          int old_first_char, old_options, old_count;
1862    #endif
1863          int count, backrefmax, first_char, need_char, okpartial, jchanged,
1864            hascrorlf;
1865          int nameentrysize, namecount;
1866          const uschar *nametable;
1867    
1868          new_info(re, NULL, PCRE_INFO_SIZE, &size);
1869          new_info(re, NULL, PCRE_INFO_CAPTURECOUNT, &count);
1870          new_info(re, NULL, PCRE_INFO_BACKREFMAX, &backrefmax);
1871          new_info(re, NULL, PCRE_INFO_FIRSTBYTE, &first_char);
1872          new_info(re, NULL, PCRE_INFO_LASTLITERAL, &need_char);
1873          new_info(re, NULL, PCRE_INFO_NAMEENTRYSIZE, &nameentrysize);
1874          new_info(re, NULL, PCRE_INFO_NAMECOUNT, &namecount);
1875          new_info(re, NULL, PCRE_INFO_NAMETABLE, (void *)&nametable);
1876          new_info(re, NULL, PCRE_INFO_OKPARTIAL, &okpartial);
1877          new_info(re, NULL, PCRE_INFO_JCHANGED, &jchanged);
1878          new_info(re, NULL, PCRE_INFO_HASCRORLF, &hascrorlf);
1879    
1880    #if !defined NOINFOCHECK
1881          old_count = pcre_info(re, &old_options, &old_first_char);
1882          if (count < 0) fprintf(outfile,
1883            "Error %d from pcre_info()\n", count);
1884          else
1885            {
1886            if (old_count != count) fprintf(outfile,
1887              "Count disagreement: pcre_fullinfo=%d pcre_info=%d\n", count,
1888                old_count);
1889    
1890            if (old_first_char != first_char) fprintf(outfile,
1891              "First char disagreement: pcre_fullinfo=%d pcre_info=%d\n",
1892                first_char, old_first_char);
1893    
1894            if (old_options != (int)get_options) fprintf(outfile,
1895              "Options disagreement: pcre_fullinfo=%ld pcre_info=%d\n",
1896                get_options, old_options);
1897            }
1898    #endif
1899    
1900          if (size != regex_gotten_store) fprintf(outfile,
1901            "Size disagreement: pcre_fullinfo=%d call to malloc for %d\n",
1902            (int)size, (int)regex_gotten_store);
1903    
1904          fprintf(outfile, "Capturing subpattern count = %d\n", count);
1905          if (backrefmax > 0)
1906            fprintf(outfile, "Max back reference = %d\n", backrefmax);
1907    
1908          if (namecount > 0)
1909            {
1910            fprintf(outfile, "Named capturing subpatterns:\n");
1911            while (namecount-- > 0)
1912              {
1913              fprintf(outfile, "  %s %*s%3d\n", nametable + 2,
1914                nameentrysize - 3 - (int)strlen((char *)nametable + 2), "",
1915                GET2(nametable, 0));
1916              nametable += nameentrysize;
1917              }
1918            }
1919    
1920          if (!okpartial) fprintf(outfile, "Partial matching not supported\n");
1921          if (hascrorlf) fprintf(outfile, "Contains explicit CR or LF match\n");
1922    
1923          all_options = ((real_pcre *)re)->options;
1924          if (do_flip) all_options = byteflip(all_options, sizeof(all_options));
1925    
1926          if (get_options == 0) fprintf(outfile, "No options\n");
1927            else fprintf(outfile, "Options:%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s\n",
1928              ((get_options & PCRE_ANCHORED) != 0)? " anchored" : "",
1929              ((get_options & PCRE_CASELESS) != 0)? " caseless" : "",
1930              ((get_options & PCRE_EXTENDED) != 0)? " extended" : "",
1931              ((get_options & PCRE_MULTILINE) != 0)? " multiline" : "",
1932              ((get_options & PCRE_FIRSTLINE) != 0)? " firstline" : "",
1933              ((get_options & PCRE_DOTALL) != 0)? " dotall" : "",
1934              ((get_options & PCRE_BSR_ANYCRLF) != 0)? " bsr_anycrlf" : "",
1935              ((get_options & PCRE_BSR_UNICODE) != 0)? " bsr_unicode" : "",
1936              ((get_options & PCRE_DOLLAR_ENDONLY) != 0)? " dollar_endonly" : "",
1937              ((get_options & PCRE_EXTRA) != 0)? " extra" : "",
1938              ((get_options & PCRE_UNGREEDY) != 0)? " ungreedy" : "",
1939              ((get_options & PCRE_NO_AUTO_CAPTURE) != 0)? " no_auto_capture" : "",
1940              ((get_options & PCRE_UTF8) != 0)? " utf8" : "",
1941              ((get_options & PCRE_UCP) != 0)? " ucp" : "",
1942              ((get_options & PCRE_NO_UTF8_CHECK) != 0)? " no_utf8_check" : "",
1943              ((get_options & PCRE_DUPNAMES) != 0)? " dupnames" : "");
1944    
1945          if (jchanged) fprintf(outfile, "Duplicate name status changes\n");
1946    
1947          switch (get_options & PCRE_NEWLINE_BITS)
1948            {
1949            case PCRE_NEWLINE_CR:
1950            fprintf(outfile, "Forced newline sequence: CR\n");
1951            break;
1952    
1953            case PCRE_NEWLINE_LF:
1954            fprintf(outfile, "Forced newline sequence: LF\n");
1955            break;
1956    
1957            case PCRE_NEWLINE_CRLF:
1958            fprintf(outfile, "Forced newline sequence: CRLF\n");
1959            break;
1960    
1961      if (do_showinfo)          case PCRE_NEWLINE_ANYCRLF:
1962        {          fprintf(outfile, "Forced newline sequence: ANYCRLF\n");
1963        int first_char, count;          break;
1964    
1965        if (do_debug) print_internals(re);          case PCRE_NEWLINE_ANY:
1966            fprintf(outfile, "Forced newline sequence: ANY\n");
1967            break;
1968    
1969        count = pcre_info(re, &options, &first_char);          default:
1970        if (count < 0) fprintf(outfile,          break;
1971          "Error %d while reading info\n", count);          }
1972    
1973          if (first_char == -1)
1974            {
1975            fprintf(outfile, "First char at start or follows newline\n");
1976            }
1977          else if (first_char < 0)
1978            {
1979            fprintf(outfile, "No first char\n");
1980            }
1981          else
1982            {
1983            int ch = first_char & 255;
1984            const char *caseless = ((first_char & REQ_CASELESS) == 0)?
1985              "" : " (caseless)";
1986            if (PRINTHEX(ch))
1987              fprintf(outfile, "First char = \'%c\'%s\n", ch, caseless);
1988            else
1989              fprintf(outfile, "First char = %d%s\n", ch, caseless);
1990            }
1991    
1992          if (need_char < 0)
1993            {
1994            fprintf(outfile, "No need char\n");
1995            }
1996        else        else
1997          {          {
1998          fprintf(outfile, "Identifying subpattern count = %d\n", count);          int ch = need_char & 255;
1999          if (options == 0) fprintf(outfile, "No options\n");          const char *caseless = ((need_char & REQ_CASELESS) == 0)?
2000            else fprintf(outfile, "Options:%s%s%s%s%s%s%s%s\n",            "" : " (caseless)";
2001              ((options & PCRE_ANCHORED) != 0)? " anchored" : "",          if (PRINTHEX(ch))
2002              ((options & PCRE_CASELESS) != 0)? " caseless" : "",            fprintf(outfile, "Need char = \'%c\'%s\n", ch, caseless);
2003              ((options & PCRE_EXTENDED) != 0)? " extended" : "",          else
2004              ((options & PCRE_MULTILINE) != 0)? " multiline" : "",            fprintf(outfile, "Need char = %d%s\n", ch, caseless);
2005              ((options & PCRE_DOTALL) != 0)? " dotall" : "",          }
             ((options & PCRE_DOLLAR_ENDONLY) != 0)? " dollar_endonly" : "",  
             ((options & PCRE_EXTRA) != 0)? " extra" : "",  
             ((options & PCRE_UNGREEDY) != 0)? " ungreedy" : "");  
   
         if (((((real_pcre *)re)->options) & PCRE_ICHANGED) != 0)  
           fprintf(outfile, "Case state changes\n");  
2006    
2007          if (first_char == -1)        /* Don't output study size; at present it is in any case a fixed
2008            {        value, but it varies, depending on the computer architecture, and
2009            fprintf(outfile, "First char at start or follows \\n\n");        so messes up the test suite. (And with the /F option, it might be
2010            }        flipped.) */
2011          else if (first_char < 0)  
2012            {        if (do_study)
2013            fprintf(outfile, "No first char\n");          {
2014            }          if (extra == NULL)
2015              fprintf(outfile, "Study returned NULL\n");
2016          else          else
2017            {            {
2018            if (isprint(first_char))            uschar *start_bits = NULL;
2019              fprintf(outfile, "First char = \'%c\'\n", first_char);            int minlength;
           else  
             fprintf(outfile, "First char = %d\n", first_char);  
           }  
2020    
2021          if (((((real_pcre *)re)->options) & PCRE_REQCHSET) != 0)            new_info(re, extra, PCRE_INFO_MINLENGTH, &minlength);
2022            {            fprintf(outfile, "Subject length lower bound = %d\n", minlength);
2023            int req_char = ((real_pcre *)re)->req_char;  
2024            if (isprint(req_char))            new_info(re, extra, PCRE_INFO_FIRSTTABLE, &start_bits);
2025              fprintf(outfile, "Req char = \'%c\'\n", req_char);            if (start_bits == NULL)
2026                fprintf(outfile, "No set of starting bytes\n");
2027            else            else
2028              fprintf(outfile, "Req char = %d\n", req_char);              {
2029                int i;
2030                int c = 24;
2031                fprintf(outfile, "Starting byte set: ");
2032                for (i = 0; i < 256; i++)
2033                  {
2034                  if ((start_bits[i/8] & (1<<(i&7))) != 0)
2035                    {
2036                    if (c > 75)
2037                      {
2038                      fprintf(outfile, "\n  ");
2039                      c = 2;
2040                      }
2041                    if (PRINTHEX(i) && i != ' ')
2042                      {
2043                      fprintf(outfile, "%c ", i);
2044                      c += 2;
2045                      }
2046                    else
2047                      {
2048                      fprintf(outfile, "\\x%02x ", i);
2049                      c += 5;
2050                      }
2051                    }
2052                  }
2053                fprintf(outfile, "\n");
2054                }
2055            }            }
         else fprintf(outfile, "No req char\n");  
2056          }          }
2057        }        }
2058    
2059      /* 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
2060      help with the matching. */      that is all. The first 8 bytes of the file are the regex length and then
2061        the study length, in big-endian order. */
2062    
2063      if (do_study)      if (to_file != NULL)
2064        {        {
2065        if (timeit)        FILE *f = fopen((char *)to_file, "wb");
2066          if (f == NULL)
2067          {          {
2068          register int i;          fprintf(outfile, "Unable to open %s: %s\n", to_file, strerror(errno));
         clock_t time_taken;  
         clock_t start_time = clock();  
         for (i = 0; i < LOOPREPEAT; i++)  
           extra = pcre_study(re, study_options, &error);  
         time_taken = clock() - start_time;  
         if (extra != NULL) free(extra);  
         fprintf(outfile, "  Study time %.3f milliseconds\n",  
           ((double)time_taken * 1000.0)/  
           ((double)LOOPREPEAT * (double)CLOCKS_PER_SEC));  
2069          }          }
2070          else
       extra = pcre_study(re, study_options, &error);  
       if (error != NULL)  
         fprintf(outfile, "Failed to study: %s\n", error);  
       else if (extra == NULL)  
         fprintf(outfile, "Study returned NULL\n");  
   
       /* This looks at internal information. A bit kludgy to do it this  
       way, but it is useful for testing. */  
   
       else if (do_showinfo)  
2071          {          {
2072          real_pcre_extra *xx = (real_pcre_extra *)extra;          uschar sbuf[8];
2073          if ((xx->options & PCRE_STUDY_MAPPED) == 0)          sbuf[0] = (uschar)((true_size >> 24) & 255);
2074            fprintf(outfile, "No starting character set\n");          sbuf[1] = (uschar)((true_size >> 16) & 255);
2075            sbuf[2] = (uschar)((true_size >>  8) & 255);
2076            sbuf[3] = (uschar)((true_size) & 255);
2077    
2078            sbuf[4] = (uschar)((true_study_size >> 24) & 255);
2079            sbuf[5] = (uschar)((true_study_size >> 16) & 255);
2080            sbuf[6] = (uschar)((true_study_size >>  8) & 255);
2081            sbuf[7] = (uschar)((true_study_size) & 255);
2082    
2083            if (fwrite(sbuf, 1, 8, f) < 8 ||
2084                fwrite(re, 1, true_size, f) < true_size)
2085              {
2086              fprintf(outfile, "Write error on %s: %s\n", to_file, strerror(errno));
2087              }
2088          else          else
2089            {            {
2090            int i;            fprintf(outfile, "Compiled regex written to %s\n", to_file);
2091            int c = 24;            if (extra != NULL)
           fprintf(outfile, "Starting character set: ");  
           for (i = 0; i < 256; i++)  
2092              {              {
2093              if ((xx->start_bits[i/8] & (1<<(i%8))) != 0)              if (fwrite(extra->study_data, 1, true_study_size, f) <
2094                    true_study_size)
2095                {                {
2096                if (c > 75)                fprintf(outfile, "Write error on %s: %s\n", to_file,
2097                  {                  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;  
                 }  
2098                }                }
2099                else fprintf(outfile, "Study data written to %s\n", to_file);
2100    
2101              }              }
           fprintf(outfile, "\n");  
2102            }            }
2103            fclose(f);
2104            }
2105    
2106          new_free(re);
2107          if (extra != NULL) new_free(extra);
2108          if (locale_set)
2109            {
2110            new_free((void *)tables);
2111            setlocale(LC_CTYPE, "C");
2112            locale_set = 0;
2113          }          }
2114          continue;  /* With next regex */
2115        }        }
2116      }      }        /* End of non-POSIX compile */
2117    
2118    /* Read data lines and test them */    /* Read data lines and test them */
2119    
2120    for (;;)    for (;;)
2121      {      {
2122      unsigned char *q;      uschar *q;
2123      unsigned char *bptr = dbuffer;      uschar *bptr;
2124        int *use_offsets = offsets;
2125        int use_size_offsets = size_offsets;
2126        int callout_data = 0;
2127        int callout_data_set = 0;
2128      int count, c;      int count, c;
2129      int copystrings = 0;      int copystrings = 0;
2130        int find_match_limit = default_find_match_limit;
2131      int getstrings = 0;      int getstrings = 0;
2132      int getlist = 0;      int getlist = 0;
2133      int gmatched = 0;      int gmatched = 0;
2134      int start_offset = 0;      int start_offset = 0;
2135      int g_notempty = 0;      int g_notempty = 0;
2136      int offsets[45];      int use_dfa = 0;
     int size_offsets = sizeof(offsets)/sizeof(int);  
2137    
2138      options = 0;      options = 0;
2139    
2140      if (infile == stdin) printf("data> ");      *copynames = 0;
2141      if (fgets((char *)buffer, sizeof(buffer), infile) == NULL)      *getnames = 0;
2142    
2143        copynamesptr = copynames;
2144        getnamesptr = getnames;
2145    
2146        pcre_callout = callout;
2147        first_callout = 1;
2148        callout_extra = 0;
2149        callout_count = 0;
2150        callout_fail_count = 999999;
2151        callout_fail_id = -1;
2152        show_malloc = 0;
2153    
2154        if (extra != NULL) extra->flags &=
2155          ~(PCRE_EXTRA_MATCH_LIMIT|PCRE_EXTRA_MATCH_LIMIT_RECURSION);
2156    
2157        len = 0;
2158        for (;;)
2159        {        {
2160        done = 1;        if (extend_inputline(infile, buffer + len, "data> ") == NULL)
2161        goto CONTINUE;          {
2162            if (len > 0)    /* Reached EOF without hitting a newline */
2163              {
2164              fprintf(outfile, "\n");
2165              break;
2166              }
2167            done = 1;
2168            goto CONTINUE;
2169            }
2170          if (infile != stdin) fprintf(outfile, "%s", (char *)buffer);
2171          len = (int)strlen((char *)buffer);
2172          if (buffer[len-1] == '\n') break;
2173        }        }
     if (infile != stdin) fprintf(outfile, "%s", (char *)buffer);  
2174    
     len = (int)strlen((char *)buffer);  
2175      while (len > 0 && isspace(buffer[len-1])) len--;      while (len > 0 && isspace(buffer[len-1])) len--;
2176      buffer[len] = 0;      buffer[len] = 0;
2177      if (len == 0) break;      if (len == 0) break;
# Line 728  while (!done) Line 2179  while (!done)
2179      p = buffer;      p = buffer;
2180      while (isspace(*p)) p++;      while (isspace(*p)) p++;
2181    
2182      q = dbuffer;      bptr = q = dbuffer;
2183      while ((c = *p++) != 0)      while ((c = *p++) != 0)
2184        {        {
2185        int i = 0;        int i = 0;
2186        int n = 0;        int n = 0;
2187    
2188        if (c == '\\') switch ((c = *p++))        if (c == '\\') switch ((c = *p++))
2189          {          {
2190          case 'a': c =    7; break;          case 'a': c =    7; break;
# Line 749  while (!done) Line 2201  while (!done)
2201          c -= '0';          c -= '0';
2202          while (i++ < 2 && isdigit(*p) && *p != '8' && *p != '9')          while (i++ < 2 && isdigit(*p) && *p != '8' && *p != '9')
2203            c = c * 8 + *p++ - '0';            c = c * 8 + *p++ - '0';
2204    
2205    #if !defined NOUTF8
2206            if (use_utf8 && c > 255)
2207              {
2208              unsigned char buff8[8];
2209              int ii, utn;
2210              utn = ord2utf8(c, buff8);
2211              for (ii = 0; ii < utn - 1; ii++) *q++ = buff8[ii];
2212              c = buff8[ii];   /* Last byte */
2213              }
2214    #endif
2215          break;          break;
2216    
2217          case 'x':          case 'x':
2218    
2219            /* Handle \x{..} specially - new Perl thing for utf8 */
2220    
2221    #if !defined NOUTF8
2222            if (*p == '{')
2223              {
2224              unsigned char *pt = p;
2225              c = 0;
2226              while (isxdigit(*(++pt)))
2227                c = c * 16 + tolower(*pt) - ((isdigit(*pt))? '0' : 'W');
2228              if (*pt == '}')
2229                {
2230                unsigned char buff8[8];
2231                int ii, utn;
2232                if (use_utf8)
2233                  {
2234                  utn = ord2utf8(c, buff8);
2235                  for (ii = 0; ii < utn - 1; ii++) *q++ = buff8[ii];
2236                  c = buff8[ii];   /* Last byte */
2237                  }
2238                else
2239                 {
2240                 if (c > 255)
2241                   fprintf(outfile, "** Character \\x{%x} is greater than 255 and "
2242                     "UTF-8 mode is not enabled.\n"
2243                     "** Truncation will probably give the wrong result.\n", c);
2244                 }
2245                p = pt + 1;
2246                break;
2247                }
2248              /* Not correct form; fall through */
2249              }
2250    #endif
2251    
2252            /* Ordinary \x */
2253    
2254          c = 0;          c = 0;
2255          while (i++ < 2 && isxdigit(*p))          while (i++ < 2 && isxdigit(*p))
2256            {            {
# Line 760  while (!done) Line 2259  while (!done)
2259            }            }
2260          break;          break;
2261    
2262          case 0:   /* Allows for an empty line */          case 0:   /* \ followed by EOF allows for an empty line */
2263          p--;          p--;
2264          continue;          continue;
2265    
2266            case '>':
2267            while(isdigit(*p)) start_offset = start_offset * 10 + *p++ - '0';
2268            continue;
2269    
2270          case 'A':  /* Option setting */          case 'A':  /* Option setting */
2271          options |= PCRE_ANCHORED;          options |= PCRE_ANCHORED;
2272          continue;          continue;
# Line 773  while (!done) Line 2276  while (!done)
2276          continue;          continue;
2277    
2278          case 'C':          case 'C':
2279          while(isdigit(*p)) n = n * 10 + *p++ - '0';          if (isdigit(*p))    /* Set copy string */
2280          copystrings |= 1 << n;            {
2281              while(isdigit(*p)) n = n * 10 + *p++ - '0';
2282              copystrings |= 1 << n;
2283              }
2284            else if (isalnum(*p))
2285              {
2286              uschar *npp = copynamesptr;
2287              while (isalnum(*p)) *npp++ = *p++;
2288              *npp++ = 0;
2289              *npp = 0;
2290              n = pcre_get_stringnumber(re, (char *)copynamesptr);
2291              if (n < 0)
2292                fprintf(outfile, "no parentheses with name \"%s\"\n", copynamesptr);
2293              copynamesptr = npp;
2294              }
2295            else if (*p == '+')
2296              {
2297              callout_extra = 1;
2298              p++;
2299              }
2300            else if (*p == '-')
2301              {
2302              pcre_callout = NULL;
2303              p++;
2304              }
2305            else if (*p == '!')
2306              {
2307              callout_fail_id = 0;
2308              p++;
2309              while(isdigit(*p))
2310                callout_fail_id = callout_fail_id * 10 + *p++ - '0';
2311              callout_fail_count = 0;
2312              if (*p == '!')
2313                {
2314                p++;
2315                while(isdigit(*p))
2316                  callout_fail_count = callout_fail_count * 10 + *p++ - '0';
2317                }
2318              }
2319            else if (*p == '*')
2320              {
2321              int sign = 1;
2322              callout_data = 0;
2323              if (*(++p) == '-') { sign = -1; p++; }
2324              while(isdigit(*p))
2325                callout_data = callout_data * 10 + *p++ - '0';
2326              callout_data *= sign;
2327              callout_data_set = 1;
2328              }
2329            continue;
2330    
2331    #if !defined NODFA
2332            case 'D':
2333    #if !defined NOPOSIX
2334            if (posix || do_posix)
2335              printf("** Can't use dfa matching in POSIX mode: \\D ignored\n");
2336            else
2337    #endif
2338              use_dfa = 1;
2339          continue;          continue;
2340    #endif
2341    
2342    #if !defined NODFA
2343            case 'F':
2344            options |= PCRE_DFA_SHORTEST;
2345            continue;
2346    #endif
2347    
2348          case 'G':          case 'G':
2349          while(isdigit(*p)) n = n * 10 + *p++ - '0';          if (isdigit(*p))
2350          getstrings |= 1 << n;            {
2351              while(isdigit(*p)) n = n * 10 + *p++ - '0';
2352              getstrings |= 1 << n;
2353              }
2354            else if (isalnum(*p))
2355              {
2356              uschar *npp = getnamesptr;
2357              while (isalnum(*p)) *npp++ = *p++;
2358              *npp++ = 0;
2359              *npp = 0;
2360              n = pcre_get_stringnumber(re, (char *)getnamesptr);
2361              if (n < 0)
2362                fprintf(outfile, "no parentheses with name \"%s\"\n", getnamesptr);
2363              getnamesptr = npp;
2364              }
2365          continue;          continue;
2366    
2367          case 'L':          case 'L':
2368          getlist = 1;          getlist = 1;
2369          continue;          continue;
2370    
2371            case 'M':
2372            find_match_limit = 1;
2373            continue;
2374    
2375          case 'N':          case 'N':
2376          options |= PCRE_NOTEMPTY;          if ((options & PCRE_NOTEMPTY) != 0)
2377              options = (options & ~PCRE_NOTEMPTY) | PCRE_NOTEMPTY_ATSTART;
2378            else
2379              options |= PCRE_NOTEMPTY;
2380          continue;          continue;
2381    
2382          case 'O':          case 'O':
2383          while(isdigit(*p)) n = n * 10 + *p++ - '0';          while(isdigit(*p)) n = n * 10 + *p++ - '0';
2384          if (n <= (int)(sizeof(offsets)/sizeof(int))) size_offsets = n;          if (n > size_offsets_max)
2385              {
2386              size_offsets_max = n;
2387              free(offsets);
2388              use_offsets = offsets = (int *)malloc(size_offsets_max * sizeof(int));
2389              if (offsets == NULL)
2390                {
2391                printf("** Failed to get %d bytes of memory for offsets vector\n",
2392                  (int)(size_offsets_max * sizeof(int)));
2393                yield = 1;
2394                goto EXIT;
2395                }
2396              }
2397            use_size_offsets = n;
2398            if (n == 0) use_offsets = NULL;   /* Ensures it can't write to it */
2399            continue;
2400    
2401            case 'P':
2402            options |= ((options & PCRE_PARTIAL_SOFT) == 0)?
2403              PCRE_PARTIAL_SOFT : PCRE_PARTIAL_HARD;
2404            continue;
2405    
2406            case 'Q':
2407            while(isdigit(*p)) n = n * 10 + *p++ - '0';
2408            if (extra == NULL)
2409              {
2410              extra = (pcre_extra *)malloc(sizeof(pcre_extra));
2411              extra->flags = 0;
2412              }
2413            extra->flags |= PCRE_EXTRA_MATCH_LIMIT_RECURSION;
2414            extra->match_limit_recursion = n;
2415            continue;
2416    
2417            case 'q':
2418            while(isdigit(*p)) n = n * 10 + *p++ - '0';
2419            if (extra == NULL)
2420              {
2421              extra = (pcre_extra *)malloc(sizeof(pcre_extra));
2422              extra->flags = 0;
2423              }
2424            extra->flags |= PCRE_EXTRA_MATCH_LIMIT;
2425            extra->match_limit = n;
2426            continue;
2427    
2428    #if !defined NODFA
2429            case 'R':
2430            options |= PCRE_DFA_RESTART;
2431            continue;
2432    #endif
2433    
2434            case 'S':
2435            show_malloc = 1;
2436            continue;
2437    
2438            case 'Y':
2439            options |= PCRE_NO_START_OPTIMIZE;
2440          continue;          continue;
2441    
2442          case 'Z':          case 'Z':
2443          options |= PCRE_NOTEOL;          options |= PCRE_NOTEOL;
2444          continue;          continue;
2445    
2446            case '?':
2447            options |= PCRE_NO_UTF8_CHECK;
2448            continue;
2449    
2450            case '<':
2451              {
2452              int x = check_newline(p, outfile);
2453              if (x == 0) goto NEXT_DATA;
2454              options |= x;
2455              while (*p++ != '>');
2456              }
2457            continue;
2458          }          }
2459        *q++ = c;        *q++ = c;
2460        }        }
2461      *q = 0;      *q = 0;
2462      len = q - dbuffer;      len = (int)(q - dbuffer);
2463    
2464        /* Move the data to the end of the buffer so that a read over the end of
2465        the buffer will be seen by valgrind, even if it doesn't cause a crash. If
2466        we are using the POSIX interface, we must include the terminating zero. */
2467    
2468    #if !defined NOPOSIX
2469        if (posix || do_posix)
2470          {
2471          memmove(bptr + buffer_size - len - 1, bptr, len + 1);
2472          bptr += buffer_size - len - 1;
2473          }
2474        else
2475    #endif
2476          {
2477          memmove(bptr + buffer_size - len, bptr, len);
2478          bptr += buffer_size - len;
2479          }
2480    
2481        if ((all_use_dfa || use_dfa) && find_match_limit)
2482          {
2483          printf("**Match limit not relevant for DFA matching: ignored\n");
2484          find_match_limit = 0;
2485          }
2486    
2487      /* Handle matching via the POSIX interface, which does not      /* Handle matching via the POSIX interface, which does not
2488      support timing. */      support timing or playing with the match limit or callout data. */
2489    
2490  #if !defined NOPOSIX  #if !defined NOPOSIX
2491      if (posix || do_posix)      if (posix || do_posix)
2492        {        {
2493        int rc;        int rc;
2494        int eflags = 0;        int eflags = 0;
2495        regmatch_t pmatch[sizeof(offsets)/sizeof(int)];        regmatch_t *pmatch = NULL;
2496          if (use_size_offsets > 0)
2497            pmatch = (regmatch_t *)malloc(sizeof(regmatch_t) * use_size_offsets);
2498        if ((options & PCRE_NOTBOL) != 0) eflags |= REG_NOTBOL;        if ((options & PCRE_NOTBOL) != 0) eflags |= REG_NOTBOL;
2499        if ((options & PCRE_NOTEOL) != 0) eflags |= REG_NOTEOL;        if ((options & PCRE_NOTEOL) != 0) eflags |= REG_NOTEOL;
2500          if ((options & PCRE_NOTEMPTY) != 0) eflags |= REG_NOTEMPTY;
2501    
2502        rc = regexec(&preg, (const char *)bptr, size_offsets, pmatch, eflags);        rc = regexec(&preg, (const char *)bptr, use_size_offsets, pmatch, eflags);
2503    
2504        if (rc != 0)        if (rc != 0)
2505          {          {
2506          (void)regerror(rc, &preg, (char *)buffer, sizeof(buffer));          (void)regerror(rc, &preg, (char *)buffer, buffer_size);
2507          fprintf(outfile, "No match: POSIX code %d: %s\n", rc, buffer);          fprintf(outfile, "No match: POSIX code %d: %s\n", rc, buffer);
2508          }          }
2509          else if ((((const pcre *)preg.re_pcre)->options & PCRE_NO_AUTO_CAPTURE)
2510                  != 0)
2511            {
2512            fprintf(outfile, "Matched with REG_NOSUB\n");
2513            }
2514        else        else
2515          {          {
2516          size_t i;          size_t i;
2517          for (i = 0; i < size_offsets; i++)          for (i = 0; i < (size_t)use_size_offsets; i++)
2518            {            {
2519            if (pmatch[i].rm_so >= 0)            if (pmatch[i].rm_so >= 0)
2520              {              {
2521              fprintf(outfile, "%2d: ", (int)i);              fprintf(outfile, "%2d: ", (int)i);
2522              pchars(dbuffer + pmatch[i].rm_so,              (void)pchars(dbuffer + pmatch[i].rm_so,
2523                pmatch[i].rm_eo - pmatch[i].rm_so);                pmatch[i].rm_eo - pmatch[i].rm_so, outfile);
2524              fprintf(outfile, "\n");              fprintf(outfile, "\n");
2525              if (i == 0 && do_showrest)              if (i == 0 && do_showrest)
2526                {                {
2527                fprintf(outfile, " 0+ ");                fprintf(outfile, " 0+ ");
2528                pchars(dbuffer + pmatch[i].rm_eo, len - pmatch[i].rm_eo);                (void)pchars(dbuffer + pmatch[i].rm_eo, len - pmatch[i].rm_eo,
2529                    outfile);
2530                fprintf(outfile, "\n");                fprintf(outfile, "\n");
2531                }                }
2532              }              }
2533            }            }
2534          }          }
2535          free(pmatch);
2536        }        }
2537    
2538      /* Handle matching via the native interface - repeats for /g and /G */      /* Handle matching via the native interface - repeats for /g and /G */
# Line 852  while (!done) Line 2542  while (!done)
2542    
2543      for (;; gmatched++)    /* Loop for /g or /G */      for (;; gmatched++)    /* Loop for /g or /G */
2544        {        {
2545        if (timeit)        markptr = NULL;
2546    
2547          if (timeitm > 0)
2548          {          {
2549          register int i;          register int i;
2550          clock_t time_taken;          clock_t time_taken;
2551          clock_t start_time = clock();          clock_t start_time = clock();
2552          for (i = 0; i < LOOPREPEAT; i++)  
2553    #if !defined NODFA
2554            if (all_use_dfa || use_dfa)
2555              {
2556              int workspace[1000];
2557              for (i = 0; i < timeitm; i++)
2558                count = pcre_dfa_exec(re, extra, (char *)bptr, len, start_offset,
2559                  options | g_notempty, use_offsets, use_size_offsets, workspace,
2560                  sizeof(workspace)/sizeof(int));
2561              }
2562            else
2563    #endif
2564    
2565            for (i = 0; i < timeitm; i++)
2566            count = pcre_exec(re, extra, (char *)bptr, len,            count = pcre_exec(re, extra, (char *)bptr, len,
2567              start_offset, options | g_notempty, offsets, size_offsets);              start_offset, options | g_notempty, use_offsets, use_size_offsets);
2568    
2569          time_taken = clock() - start_time;          time_taken = clock() - start_time;
2570          fprintf(outfile, "Execute time %.3f milliseconds\n",          fprintf(outfile, "Execute time %.4f milliseconds\n",
2571            ((double)time_taken * 1000.0)/            (((double)time_taken * 1000.0) / (double)timeitm) /
2572            ((double)LOOPREPEAT * (double)CLOCKS_PER_SEC));              (double)CLOCKS_PER_SEC);
2573            }
2574    
2575          /* If find_match_limit is set, we want to do repeated matches with
2576          varying limits in order to find the minimum value for the match limit and
2577          for the recursion limit. */
2578    
2579          if (find_match_limit)
2580            {
2581            if (extra == NULL)
2582              {
2583              extra = (pcre_extra *)malloc(sizeof(pcre_extra));
2584              extra->flags = 0;
2585              }
2586    
2587            (void)check_match_limit(re, extra, bptr, len, start_offset,
2588              options|g_notempty, use_offsets, use_size_offsets,
2589              PCRE_EXTRA_MATCH_LIMIT, &(extra->match_limit),
2590              PCRE_ERROR_MATCHLIMIT, "match()");
2591    
2592            count = check_match_limit(re, extra, bptr, len, start_offset,
2593              options|g_notempty, use_offsets, use_size_offsets,
2594              PCRE_EXTRA_MATCH_LIMIT_RECURSION, &(extra->match_limit_recursion),
2595              PCRE_ERROR_RECURSIONLIMIT, "match() recursion");
2596            }
2597    
2598          /* If callout_data is set, use the interface with additional data */
2599    
2600          else if (callout_data_set)
2601            {
2602            if (extra == NULL)
2603              {
2604              extra = (pcre_extra *)malloc(sizeof(pcre_extra));
2605              extra->flags = 0;
2606              }
2607            extra->flags |= PCRE_EXTRA_CALLOUT_DATA;
2608            extra->callout_data = &callout_data;
2609            count = pcre_exec(re, extra, (char *)bptr, len, start_offset,
2610              options | g_notempty, use_offsets, use_size_offsets);
2611            extra->flags &= ~PCRE_EXTRA_CALLOUT_DATA;
2612          }          }
2613    
2614        count = pcre_exec(re, extra, (char *)bptr, len,        /* The normal case is just to do the match once, with the default
2615          start_offset, options | g_notempty, offsets, size_offsets);        value of match_limit. */
2616    
2617    #if !defined NODFA
2618          else if (all_use_dfa || use_dfa)
2619            {
2620            int workspace[1000];
2621            count = pcre_dfa_exec(re, extra, (char *)bptr, len, start_offset,
2622              options | g_notempty, use_offsets, use_size_offsets, workspace,
2623              sizeof(workspace)/sizeof(int));
2624            if (count == 0)
2625              {
2626              fprintf(outfile, "Matched, but too many subsidiary matches\n");
2627              count = use_size_offsets/2;
2628              }
2629            }
2630    #endif
2631    
2632        if (count == 0)        else
2633          {          {
2634          fprintf(outfile, "Matched, but too many substrings\n");          count = pcre_exec(re, extra, (char *)bptr, len,
2635          count = size_offsets/3;            start_offset, options | g_notempty, use_offsets, use_size_offsets);
2636            if (count == 0)
2637              {
2638              fprintf(outfile, "Matched, but too many substrings\n");
2639              count = use_size_offsets/3;
2640              }
2641          }          }
2642    
2643        /* Matched */        /* Matched */
2644    
2645        if (count >= 0)        if (count >= 0)
2646          {          {
2647          int i;          int i, maxcount;
2648    
2649    #if !defined NODFA
2650            if (all_use_dfa || use_dfa) maxcount = use_size_offsets/2; else
2651    #endif
2652              maxcount = use_size_offsets/3;
2653    
2654            /* This is a check against a lunatic return value. */
2655    
2656            if (count > maxcount)
2657              {
2658              fprintf(outfile,
2659                "** PCRE error: returned count %d is too big for offset size %d\n",
2660                count, use_size_offsets);
2661              count = use_size_offsets/3;
2662              if (do_g || do_G)
2663                {
2664                fprintf(outfile, "** /%c loop abandoned\n", do_g? 'g' : 'G');
2665                do_g = do_G = FALSE;        /* Break g/G loop */
2666                }
2667              }
2668    
2669          for (i = 0; i < count * 2; i += 2)          for (i = 0; i < count * 2; i += 2)
2670            {            {
2671            if (offsets[i] < 0)            if (use_offsets[i] < 0)
2672              fprintf(outfile, "%2d: <unset>\n", i/2);              fprintf(outfile, "%2d: <unset>\n", i/2);
2673            else            else
2674              {              {
2675              fprintf(outfile, "%2d: ", i/2);              fprintf(outfile, "%2d: ", i/2);
2676              pchars(bptr + offsets[i], offsets[i+1] - offsets[i]);              (void)pchars(bptr + use_offsets[i],
2677                  use_offsets[i+1] - use_offsets[i], outfile);
2678              fprintf(outfile, "\n");              fprintf(outfile, "\n");
2679              if (i == 0)              if (i == 0)
2680                {                {
2681                if (do_showrest)                if (do_showrest)
2682                  {                  {
2683                  fprintf(outfile, " 0+ ");                  fprintf(outfile, " 0+ ");
2684                  pchars(bptr + offsets[i+1], len - offsets[i+1]);                  (void)pchars(bptr + use_offsets[i+1], len - use_offsets[i+1],
2685                      outfile);
2686                  fprintf(outfile, "\n");                  fprintf(outfile, "\n");
2687                  }                  }
2688                }                }
2689              }              }
2690            }            }
2691    
2692            if (markptr != NULL) fprintf(outfile, "MK: %s\n", markptr);
2693    
2694          for (i = 0; i < 32; i++)          for (i = 0; i < 32; i++)
2695            {            {
2696            if ((copystrings & (1 << i)) != 0)            if ((copystrings & (1 << i)) != 0)
2697              {              {
2698              char copybuffer[16];              char copybuffer[256];
2699              int rc = pcre_copy_substring((char *)bptr, offsets, count,              int rc = pcre_copy_substring((char *)bptr, use_offsets, count,
2700                i, copybuffer, sizeof(copybuffer));                i, copybuffer, sizeof(copybuffer));
2701              if (rc < 0)              if (rc < 0)
2702                fprintf(outfile, "copy substring %d failed %d\n", i, rc);                fprintf(outfile, "copy substring %d failed %d\n", i, rc);
# Line 915  while (!done) Line 2705  while (!done)
2705              }              }
2706            }            }
2707    
2708            for (copynamesptr = copynames;
2709                 *copynamesptr != 0;
2710                 copynamesptr += (int)strlen((char*)copynamesptr) + 1)
2711              {
2712              char copybuffer[256];
2713              int rc = pcre_copy_named_substring(re, (char *)bptr, use_offsets,
2714                count, (char *)copynamesptr, copybuffer, sizeof(copybuffer));
2715              if (rc < 0)
2716                fprintf(outfile, "copy substring %s failed %d\n", copynamesptr, rc);
2717              else
2718                fprintf(outfile, "  C %s (%d) %s\n", copybuffer, rc, copynamesptr);
2719              }
2720    
2721          for (i = 0; i < 32; i++)          for (i = 0; i < 32; i++)
2722            {            {
2723            if ((getstrings & (1 << i)) != 0)            if ((getstrings & (1 << i)) != 0)
2724              {              {
2725              const char *substring;              const char *substring;
2726              int rc = pcre_get_substring((char *)bptr, offsets, count,              int rc = pcre_get_substring((char *)bptr, use_offsets, count,
2727                i, &substring);                i, &substring);
2728              if (rc < 0)              if (rc < 0)
2729                fprintf(outfile, "get substring %d failed %d\n", i, rc);                fprintf(outfile, "get substring %d failed %d\n", i, rc);
2730              else              else
2731                {                {
2732                fprintf(outfile, "%2dG %s (%d)\n", i, substring, rc);                fprintf(outfile, "%2dG %s (%d)\n", i, substring, rc);
2733                free((void *)substring);                pcre_free_substring(substring);
2734                }                }
2735              }              }
2736            }            }
2737    
2738            for (getnamesptr = getnames;
2739                 *getnamesptr != 0;
2740                 getnamesptr += (int)strlen((char*)getnamesptr) + 1)
2741              {
2742              const char *substring;
2743              int rc = pcre_get_named_substring(re, (char *)bptr, use_offsets,
2744                count, (char *)getnamesptr, &substring);
2745              if (rc < 0)
2746                fprintf(outfile, "copy substring %s failed %d\n", getnamesptr, rc);
2747              else
2748                {
2749                fprintf(outfile, "  G %s (%d) %s\n", substring, rc, getnamesptr);
2750                pcre_free_substring(substring);
2751                }
2752              }
2753    
2754          if (getlist)          if (getlist)
2755            {            {
2756            const char **stringlist;            const char **stringlist;
2757            int rc = pcre_get_substring_list((char *)bptr, offsets, count,            int rc = pcre_get_substring_list((char *)bptr, use_offsets, count,
2758              &stringlist);              &stringlist);
2759            if (rc < 0)            if (rc < 0)
2760              fprintf(outfile, "get substring list failed %d\n", rc);              fprintf(outfile, "get substring list failed %d\n", rc);
# Line 945  while (!done) Line 2764  while (!done)
2764                fprintf(outfile, "%2dL %s\n", i, stringlist[i]);                fprintf(outfile, "%2dL %s\n", i, stringlist[i]);
2765              if (stringlist[i] != NULL)              if (stringlist[i] != NULL)
2766                fprintf(outfile, "string list not terminated by NULL\n");                fprintf(outfile, "string list not terminated by NULL\n");
2767              free((void *)stringlist);              /* free((void *)stringlist); */
2768                pcre_free_substring_list(stringlist);
2769              }              }
2770            }            }
2771          }          }
2772    
2773          /* There was a partial match */
2774    
2775          else if (count == PCRE_ERROR_PARTIAL)
2776            {
2777            if (markptr == NULL) fprintf(outfile, "Partial match");
2778              else fprintf(outfile, "Partial match, mark=%s", markptr);
2779            if (use_size_offsets > 1)
2780              {
2781              fprintf(outfile, ": ");
2782              pchars(bptr + use_offsets[0], use_offsets[1] - use_offsets[0],
2783                outfile);
2784              }
2785            fprintf(outfile, "\n");
2786            break;  /* Out of the /g loop */
2787            }
2788    
2789        /* Failed to match. If this is a /g or /G loop and we previously set        /* Failed to match. If this is a /g or /G loop and we previously set
2790        PCRE_NOTEMPTY after a null match, this is not necessarily the end.        g_notempty after a null match, this is not necessarily the end. We want
2791        We want to advance the start offset, and continue. Fudge the offset        to advance the start offset, and continue. We won't be at the end of the
2792        values to achieve this. We won't be at the end of the string - that        string - that was checked before setting g_notempty.
2793        was checked before setting PCRE_NOTEMPTY. */  
2794          Complication arises in the case when the newline option is "any" or
2795          "anycrlf". If the previous match was at the end of a line terminated by
2796          CRLF, an advance of one character just passes the \r, whereas we should
2797          prefer the longer newline sequence, as does the code in pcre_exec().
2798          Fudge the offset value to achieve this.
2799    
2800          Otherwise, in the case of UTF-8 matching, the advance must be one
2801          character, not one byte. */
2802    
2803        else        else
2804          {          {
2805          if (g_notempty != 0)          if (g_notempty != 0)
2806            {            {
2807            offsets[0] = start_offset;            int onechar = 1;
2808            offsets[1] = start_offset + 1;            unsigned int obits = ((real_pcre *)re)->options;
2809              use_offsets[0] = start_offset;
2810              if ((obits & PCRE_NEWLINE_BITS) == 0)
2811                {
2812                int d;
2813                (void)pcre_config(PCRE_CONFIG_NEWLINE, &d);
2814                /* Note that these values are always the ASCII ones, even in
2815                EBCDIC environments. CR = 13, NL = 10. */
2816                obits = (d == 13)? PCRE_NEWLINE_CR :
2817                        (d == 10)? PCRE_NEWLINE_LF :
2818                        (d == (13<<8 | 10))? PCRE_NEWLINE_CRLF :
2819                        (d == -2)? PCRE_NEWLINE_ANYCRLF :
2820                        (d == -1)? PCRE_NEWLINE_ANY : 0;
2821                }
2822              if (((obits & PCRE_NEWLINE_BITS) == PCRE_NEWLINE_ANY ||
2823                   (obits & PCRE_NEWLINE_BITS) == PCRE_NEWLINE_ANYCRLF)
2824                  &&
2825                  start_offset < len - 1 &&
2826                  bptr[start_offset] == '\r' &&
2827                  bptr[start_offset+1] == '\n')
2828                onechar++;
2829              else if (use_utf8)
2830                {
2831                while (start_offset + onechar < len)
2832                  {
2833                  int tb = bptr[start_offset+onechar];
2834                  if (tb <= 127) break;
2835                  tb &= 0xc0;
2836                  if (tb != 0 && tb != 0xc0) onechar++;
2837                  }
2838                }
2839              use_offsets[1] = start_offset + onechar;
2840            }            }
2841          else          else
2842            {            {
2843            if (gmatched == 0)   /* Error if no previous matches */            if (count == PCRE_ERROR_NOMATCH)
2844              {              {
2845              if (count == -1) fprintf(outfile, "No match\n");              if (gmatched == 0)
2846                else fprintf(outfile, "Error %d\n", count);                {
2847                  if (markptr == NULL) fprintf(outfile, "No match\n");
2848                    else fprintf(outfile, "No match, mark = %s\n", markptr);
2849                  }
2850              }              }
2851              else fprintf(outfile, "Error %d\n", count);
2852            break;  /* Out of the /g loop */            break;  /* Out of the /g loop */
2853            }            }
2854          }          }
# Line 979  while (!done) Line 2858  while (!done)
2858        if (!do_g && !do_G) break;        if (!do_g && !do_G) break;
2859    
2860        /* If we have matched an empty string, first check to see if we are at        /* If we have matched an empty string, first check to see if we are at
2861        the end of the subject. If so, the /g loop is over. Otherwise, mimic        the end of the subject. If so, the /g loop is over. Otherwise, mimic what
2862        what Perl's /g options does. This turns out to be rather cunning. First        Perl's /g options does. This turns out to be rather cunning. First we set
2863        we set PCRE_NOTEMPTY and try the match again at the same point. If this        PCRE_NOTEMPTY_ATSTART and PCRE_ANCHORED and try the match again at the
2864        fails (picked up above) we advance to the next character. */        same point. If this fails (picked up above) we advance to the next
2865          character. */
2866    
2867        g_notempty = 0;        g_notempty = 0;
2868        if (offsets[0] == offsets[1])  
2869          if (use_offsets[0] == use_offsets[1])
2870          {          {
2871          if (offsets[0] == len) break;          if (use_offsets[0] == len) break;
2872          g_notempty = PCRE_NOTEMPTY;          g_notempty = PCRE_NOTEMPTY_ATSTART | PCRE_ANCHORED;
2873          }          }
2874    
2875        /* For /g, update the start offset, leaving the rest alone */        /* For /g, update the start offset, leaving the rest alone */
2876    
2877        if (do_g) start_offset = offsets[1];        if (do_g) start_offset = use_offsets[1];
2878    
2879        /* For /G, update the pointer and length */        /* For /G, update the pointer and length */
2880    
2881        else        else
2882          {          {
2883          bptr += offsets[1];          bptr += use_offsets[1];
2884          len -= offsets[1];          len -= use_offsets[1];
2885          }          }
2886        }  /* End of loop for /g and /G */        }  /* End of loop for /g and /G */
2887    
2888        NEXT_DATA: continue;
2889      }    /* End of loop for data lines */      }    /* End of loop for data lines */
2890    
2891    CONTINUE:    CONTINUE:
# Line 1011  while (!done) Line 2894  while (!done)
2894    if (posix || do_posix) regfree(&preg);    if (posix || do_posix) regfree(&preg);
2895  #endif  #endif
2896    
2897    if (re != NULL) free(re);    if (re != NULL) new_free(re);
2898    if (extra != NULL) free(extra);    if (extra != NULL) new_free(extra);
2899    if (tables != NULL)    if (locale_set)
2900      {      {
2901      free((void *)tables);      new_free((void *)tables);
2902      setlocale(LC_CTYPE, "C");      setlocale(LC_CTYPE, "C");
2903        locale_set = 0;
2904      }      }
2905    }    }
2906    
2907  fprintf(outfile, "\n");  if (infile == stdin) fprintf(outfile, "\n");
2908  return 0;  
2909    EXIT:
2910    
2911    if (infile != NULL && infile != stdin) fclose(infile);
2912    if (outfile != NULL && outfile != stdout) fclose(outfile);
2913    
2914    free(buffer);
2915    free(dbuffer);
2916    free(pbuffer);
2917    free(offsets);
2918    
2919    return yield;
2920  }  }
2921    
2922  /* End */  /* End of pcretest.c */

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