/[pcre]/code/branches/pcre16/pcretest.c
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revision 146 by ph10, Thu Apr 5 09:17:28 2007 UTC revision 455 by ph10, Sat Sep 26 19:12:32 2009 UTC
# Line 36  POSSIBILITY OF SUCH DAMAGE. Line 36  POSSIBILITY OF SUCH DAMAGE.
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>
# Line 44  POSSIBILITY OF SUCH DAMAGE. Line 48  POSSIBILITY OF SUCH DAMAGE.
48  #include <locale.h>  #include <locale.h>
49  #include <errno.h>  #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  /* 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  input and output without "b"; then I was told that "b" was needed in some
# Line 59  input mode under Windows. */ Line 71  input mode under Windows. */
71  #define INPUT_MODE   "r"  #define INPUT_MODE   "r"
72  #define OUTPUT_MODE  "wb"  #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  #else
83  #include <sys/time.h>          /* These two includes are needed */  #include <sys/time.h>          /* These two includes are needed */
84  #include <sys/resource.h>      /* for setrlimit(). */  #include <sys/resource.h>      /* for setrlimit(). */
# Line 79  appropriately for an application, not fo Line 99  appropriately for an application, not fo
99  #include "pcre.h"  #include "pcre.h"
100  #include "pcre_internal.h"  #include "pcre_internal.h"
101    
102  /* We need access to the data tables that PCRE uses. So as not to have to keep  /* We need access to some of the data tables that PCRE uses. So as not to have
103  two copies, we include the source file here, changing the names of the external  to keep two copies, we include the source file here, changing the names of the
104  symbols to prevent clashes. */  external symbols to prevent clashes. */
105    
106    #define _pcre_ucp_gentype      ucp_gentype
107  #define _pcre_utf8_table1      utf8_table1  #define _pcre_utf8_table1      utf8_table1
108  #define _pcre_utf8_table1_size utf8_table1_size  #define _pcre_utf8_table1_size utf8_table1_size
109  #define _pcre_utf8_table2      utf8_table2  #define _pcre_utf8_table2      utf8_table2
# Line 90  symbols to prevent clashes. */ Line 111  symbols to prevent clashes. */
111  #define _pcre_utf8_table4      utf8_table4  #define _pcre_utf8_table4      utf8_table4
112  #define _pcre_utt              utt  #define _pcre_utt              utt
113  #define _pcre_utt_size         utt_size  #define _pcre_utt_size         utt_size
114    #define _pcre_utt_names        utt_names
115  #define _pcre_OP_lengths       OP_lengths  #define _pcre_OP_lengths       OP_lengths
116    
117  #include "pcre_tables.c"  #include "pcre_tables.c"
# Line 152  static int callout_count; Line 174  static int callout_count;
174  static int callout_extra;  static int callout_extra;
175  static int callout_fail_count;  static int callout_fail_count;
176  static int callout_fail_id;  static int callout_fail_id;
177    static int debug_lengths;
178  static int first_callout;  static int first_callout;
179  static int locale_set = 0;  static int locale_set = 0;
180  static int show_malloc;  static int show_malloc;
# Line 183  optimal way of handling this, but hey, t Line 206  optimal way of handling this, but hey, t
206  Arguments:  Arguments:
207    f            the file to read    f            the file to read
208    start        where in buffer to start (this *must* be within buffer)    start        where in buffer to start (this *must* be within buffer)
209      prompt       for stdin or readline()
210    
211  Returns:       pointer to the start of new data  Returns:       pointer to the start of new data
212                 could be a copy of start, or could be moved                 could be a copy of start, or could be moved
# Line 190  Returns: pointer to the start of n Line 214  Returns: pointer to the start of n
214  */  */
215    
216  static uschar *  static uschar *
217  extend_inputline(FILE *f, uschar *start)  extend_inputline(FILE *f, uschar *start, const char *prompt)
218  {  {
219  uschar *here = start;  uschar *here = start;
220    
# Line 201  for (;;) Line 225  for (;;)
225    if (rlen > 1000)    if (rlen > 1000)
226      {      {
227      int dlen;      int dlen;
228      if (fgets((char *)here, rlen,  f) == NULL)  
229        return (here == start)? NULL : start;      /* If libreadline support is required, use readline() to read a line if the
230        input is a terminal. Note that readline() removes the trailing newline, so
231        we must put it back again, to be compatible with fgets(). */
232    
233    #ifdef SUPPORT_LIBREADLINE
234        if (isatty(fileno(f)))
235          {
236          size_t len;
237          char *s = readline(prompt);
238          if (s == NULL) return (here == start)? NULL : start;
239          len = strlen(s);
240          if (len > 0) add_history(s);
241          if (len > rlen - 1) len = rlen - 1;
242          memcpy(here, s, len);
243          here[len] = '\n';
244          here[len+1] = 0;
245          free(s);
246          }
247        else
248    #endif
249    
250        /* Read the next line by normal means, prompting if the file is stdin. */
251    
252          {
253          if (f == stdin) printf(prompt);
254          if (fgets((char *)here, rlen,  f) == NULL)
255            return (here == start)? NULL : start;
256          }
257    
258      dlen = (int)strlen((char *)here);      dlen = (int)strlen((char *)here);
259      if (dlen > 0 && here[dlen - 1] == '\n') return start;      if (dlen > 0 && here[dlen - 1] == '\n') return start;
260      here += dlen;      here += dlen;
# Line 659  return count; Line 711  return count;
711    
712    
713  /*************************************************  /*************************************************
714    *         Case-independent strncmp() function    *
715    *************************************************/
716    
717    /*
718    Arguments:
719      s         first string
720      t         second string
721      n         number of characters to compare
722    
723    Returns:    < 0, = 0, or > 0, according to the comparison
724    */
725    
726    static int
727    strncmpic(uschar *s, uschar *t, int n)
728    {
729    while (n--)
730      {
731      int c = tolower(*s++) - tolower(*t++);
732      if (c) return c;
733      }
734    return 0;
735    }
736    
737    
738    
739    /*************************************************
740  *         Check newline indicator                *  *         Check newline indicator                *
741  *************************************************/  *************************************************/
742    
743  /* This is used both at compile and run-time to check for <xxx> escapes, where  /* This is used both at compile and run-time to check for <xxx> escapes, where
744  xxx is LF, CR, CRLF, or ANY. Print a message and return 0 if there is no match.  xxx is LF, CR, CRLF, ANYCRLF, or ANY. Print a message and return 0 if there is
745    no match.
746    
747  Arguments:  Arguments:
748    p           points after the leading '<'    p           points after the leading '<'
# Line 675  Returns: appropriate PCRE_NEWLINE_x Line 754  Returns: appropriate PCRE_NEWLINE_x
754  static int  static int
755  check_newline(uschar *p, FILE *f)  check_newline(uschar *p, FILE *f)
756  {  {
757  if (strncmp((char *)p, "cr>", 3) == 0) return PCRE_NEWLINE_CR;  if (strncmpic(p, (uschar *)"cr>", 3) == 0) return PCRE_NEWLINE_CR;
758  if (strncmp((char *)p, "lf>", 3) == 0) return PCRE_NEWLINE_LF;  if (strncmpic(p, (uschar *)"lf>", 3) == 0) return PCRE_NEWLINE_LF;
759  if (strncmp((char *)p, "crlf>", 5) == 0) return PCRE_NEWLINE_CRLF;  if (strncmpic(p, (uschar *)"crlf>", 5) == 0) return PCRE_NEWLINE_CRLF;
760  if (strncmp((char *)p, "any>", 4) == 0) return PCRE_NEWLINE_ANY;  if (strncmpic(p, (uschar *)"anycrlf>", 8) == 0) return PCRE_NEWLINE_ANYCRLF;
761    if (strncmpic(p, (uschar *)"any>", 4) == 0) return PCRE_NEWLINE_ANY;
762    if (strncmpic(p, (uschar *)"bsr_anycrlf>", 12) == 0) return PCRE_BSR_ANYCRLF;
763    if (strncmpic(p, (uschar *)"bsr_unicode>", 12) == 0) return PCRE_BSR_UNICODE;
764  fprintf(f, "Unknown newline type at: <%s\n", p);  fprintf(f, "Unknown newline type at: <%s\n", p);
765  return 0;  return 0;
766  }  }
# Line 692  return 0; Line 774  return 0;
774  static void  static void
775  usage(void)  usage(void)
776  {  {
777  printf("Usage:     pcretest [options] [<input> [<output>]]\n");  printf("Usage:     pcretest [options] [<input file> [<output file>]]\n\n");
778    printf("Input and output default to stdin and stdout.\n");
779    #ifdef SUPPORT_LIBREADLINE
780    printf("If input is a terminal, readline() is used to read from it.\n");
781    #else
782    printf("This version of pcretest is not linked with readline().\n");
783    #endif
784    printf("\nOptions:\n");
785  printf("  -b       show compiled code (bytecode)\n");  printf("  -b       show compiled code (bytecode)\n");
786  printf("  -C       show PCRE compile-time options and exit\n");  printf("  -C       show PCRE compile-time options and exit\n");
787  printf("  -d       debug: show compiled code and information (-b and -i)\n");  printf("  -d       debug: show compiled code and information (-b and -i)\n");
# Line 701  printf(" -dfa force DFA matching fo Line 790  printf(" -dfa force DFA matching fo
790  #endif  #endif
791  printf("  -help    show usage information\n");  printf("  -help    show usage information\n");
792  printf("  -i       show information about compiled patterns\n"  printf("  -i       show information about compiled patterns\n"
793           "  -M       find MATCH_LIMIT minimum for each subject\n"
794         "  -m       output memory used information\n"         "  -m       output memory used information\n"
795         "  -o <n>   set size of offsets vector to <n>\n");         "  -o <n>   set size of offsets vector to <n>\n");
796  #if !defined NOPOSIX  #if !defined NOPOSIX
# Line 730  int main(int argc, char **argv) Line 820  int main(int argc, char **argv)
820  FILE *infile = stdin;  FILE *infile = stdin;
821  int options = 0;  int options = 0;
822  int study_options = 0;  int study_options = 0;
823    int default_find_match_limit = FALSE;
824  int op = 1;  int op = 1;
825  int timeit = 0;  int timeit = 0;
826  int timeitm = 0;  int timeitm = 0;
# Line 789  while (argc > 1 && argv[op][0] == '-') Line 880  while (argc > 1 && argv[op][0] == '-')
880    else if (strcmp(argv[op], "-b") == 0) debug = 1;    else if (strcmp(argv[op], "-b") == 0) debug = 1;
881    else if (strcmp(argv[op], "-i") == 0) showinfo = 1;    else if (strcmp(argv[op], "-i") == 0) showinfo = 1;
882    else if (strcmp(argv[op], "-d") == 0) showinfo = debug = 1;    else if (strcmp(argv[op], "-d") == 0) showinfo = debug = 1;
883      else if (strcmp(argv[op], "-M") == 0) default_find_match_limit = TRUE;
884  #if !defined NODFA  #if !defined NODFA
885    else if (strcmp(argv[op], "-dfa") == 0) all_use_dfa = 1;    else if (strcmp(argv[op], "-dfa") == 0) all_use_dfa = 1;
886  #endif  #endif
# Line 841  while (argc > 1 && argv[op][0] == '-') Line 933  while (argc > 1 && argv[op][0] == '-')
933    else if (strcmp(argv[op], "-C") == 0)    else if (strcmp(argv[op], "-C") == 0)
934      {      {
935      int rc;      int rc;
936        unsigned long int lrc;
937      printf("PCRE version %s\n", pcre_version());      printf("PCRE version %s\n", pcre_version());
938      printf("Compiled with\n");      printf("Compiled with\n");
939      (void)pcre_config(PCRE_CONFIG_UTF8, &rc);      (void)pcre_config(PCRE_CONFIG_UTF8, &rc);
# Line 848  while (argc > 1 && argv[op][0] == '-') Line 941  while (argc > 1 && argv[op][0] == '-')
941      (void)pcre_config(PCRE_CONFIG_UNICODE_PROPERTIES, &rc);      (void)pcre_config(PCRE_CONFIG_UNICODE_PROPERTIES, &rc);
942      printf("  %sUnicode properties support\n", rc? "" : "No ");      printf("  %sUnicode properties support\n", rc? "" : "No ");
943      (void)pcre_config(PCRE_CONFIG_NEWLINE, &rc);      (void)pcre_config(PCRE_CONFIG_NEWLINE, &rc);
944      printf("  Newline sequence is %s\n", (rc == '\r')? "CR" :      /* Note that these values are always the ASCII values, even
945        (rc == '\n')? "LF" : (rc == ('\r'<<8 | '\n'))? "CRLF" :      in EBCDIC environments. CR is 13 and NL is 10. */
946        printf("  Newline sequence is %s\n", (rc == 13)? "CR" :
947          (rc == 10)? "LF" : (rc == (13<<8 | 10))? "CRLF" :
948          (rc == -2)? "ANYCRLF" :
949        (rc == -1)? "ANY" : "???");        (rc == -1)? "ANY" : "???");
950        (void)pcre_config(PCRE_CONFIG_BSR, &rc);
951        printf("  \\R matches %s\n", rc? "CR, LF, or CRLF only" :
952                                         "all Unicode newlines");
953      (void)pcre_config(PCRE_CONFIG_LINK_SIZE, &rc);      (void)pcre_config(PCRE_CONFIG_LINK_SIZE, &rc);
954      printf("  Internal link size = %d\n", rc);      printf("  Internal link size = %d\n", rc);
955      (void)pcre_config(PCRE_CONFIG_POSIX_MALLOC_THRESHOLD, &rc);      (void)pcre_config(PCRE_CONFIG_POSIX_MALLOC_THRESHOLD, &rc);
956      printf("  POSIX malloc threshold = %d\n", rc);      printf("  POSIX malloc threshold = %d\n", rc);
957      (void)pcre_config(PCRE_CONFIG_MATCH_LIMIT, &rc);      (void)pcre_config(PCRE_CONFIG_MATCH_LIMIT, &lrc);
958      printf("  Default match limit = %d\n", rc);      printf("  Default match limit = %ld\n", lrc);
959      (void)pcre_config(PCRE_CONFIG_MATCH_LIMIT_RECURSION, &rc);      (void)pcre_config(PCRE_CONFIG_MATCH_LIMIT_RECURSION, &lrc);
960      printf("  Default recursion depth limit = %d\n", rc);      printf("  Default recursion depth limit = %ld\n", lrc);
961      (void)pcre_config(PCRE_CONFIG_STACKRECURSE, &rc);      (void)pcre_config(PCRE_CONFIG_STACKRECURSE, &rc);
962      printf("  Match recursion uses %s\n", rc? "stack" : "heap");      printf("  Match recursion uses %s\n", rc? "stack" : "heap");
963      goto EXIT;      goto EXIT;
# Line 887  offsets = (int *)malloc(size_offsets_max Line 986  offsets = (int *)malloc(size_offsets_max
986  if (offsets == NULL)  if (offsets == NULL)
987    {    {
988    printf("** Failed to get %d bytes of memory for offsets vector\n",    printf("** Failed to get %d bytes of memory for offsets vector\n",
989      size_offsets_max * sizeof(int));      (int)(size_offsets_max * sizeof(int)));
990    yield = 1;    yield = 1;
991    goto EXIT;    goto EXIT;
992    }    }
# Line 947  while (!done) Line 1046  while (!done)
1046    size_t size, regex_gotten_store;    size_t size, regex_gotten_store;
1047    int do_study = 0;    int do_study = 0;
1048    int do_debug = debug;    int do_debug = debug;
   int debug_lengths = 1;  
1049    int do_G = 0;    int do_G = 0;
1050    int do_g = 0;    int do_g = 0;
1051    int do_showinfo = showinfo;    int do_showinfo = showinfo;
# Line 956  while (!done) Line 1054  while (!done)
1054    int erroroffset, len, delimiter, poffset;    int erroroffset, len, delimiter, poffset;
1055    
1056    use_utf8 = 0;    use_utf8 = 0;
1057      debug_lengths = 1;
1058    
1059    if (infile == stdin) printf("  re> ");    if (extend_inputline(infile, buffer, "  re> ") == NULL) break;
   if (extend_inputline(infile, buffer) == NULL) break;  
1060    if (infile != stdin) fprintf(outfile, "%s", (char *)buffer);    if (infile != stdin) fprintf(outfile, "%s", (char *)buffer);
1061    fflush(outfile);    fflush(outfile);
1062    
# Line 1058  while (!done) Line 1156  while (!done)
1156    
1157    if (isalnum(delimiter) || delimiter == '\\')    if (isalnum(delimiter) || delimiter == '\\')
1158      {      {
1159      fprintf(outfile, "** Delimiter must not be alphameric or \\\n");      fprintf(outfile, "** Delimiter must not be alphanumeric or \\\n");
1160      goto SKIP_DATA;      goto SKIP_DATA;
1161      }      }
1162    
# Line 1074  while (!done) Line 1172  while (!done)
1172        pp++;        pp++;
1173        }        }
1174      if (*pp != 0) break;      if (*pp != 0) break;
1175      if (infile == stdin) printf("    > ");      if ((pp = extend_inputline(infile, pp, "    > ")) == NULL)
     if ((pp = extend_inputline(infile, pp)) == NULL)  
1176        {        {
1177        fprintf(outfile, "** Unexpected EOF\n");        fprintf(outfile, "** Unexpected EOF\n");
1178        done = 1;        done = 1;
# Line 1167  while (!done) Line 1264  while (!done)
1264    
1265        case '<':        case '<':
1266          {          {
1267          int x = check_newline(pp, outfile);          if (strncmp((char *)pp, "JS>", 3) == 0)
1268          if (x == 0) goto SKIP_DATA;            {
1269          options |= x;            options |= PCRE_JAVASCRIPT_COMPAT;
1270          while (*pp++ != '>');            pp += 3;
1271              }
1272            else
1273              {
1274              int x = check_newline(pp, outfile);
1275              if (x == 0) goto SKIP_DATA;
1276              options |= x;
1277              while (*pp++ != '>');
1278              }
1279          }          }
1280        break;        break;
1281    
# Line 1200  while (!done) Line 1305  while (!done)
1305      if ((options & PCRE_DOTALL) != 0) cflags |= REG_DOTALL;      if ((options & PCRE_DOTALL) != 0) cflags |= REG_DOTALL;
1306      if ((options & PCRE_NO_AUTO_CAPTURE) != 0) cflags |= REG_NOSUB;      if ((options & PCRE_NO_AUTO_CAPTURE) != 0) cflags |= REG_NOSUB;
1307      if ((options & PCRE_UTF8) != 0) cflags |= REG_UTF8;      if ((options & PCRE_UTF8) != 0) cflags |= REG_UTF8;
1308        if ((options & PCRE_UNGREEDY) != 0) cflags |= REG_UNGREEDY;
1309    
1310      rc = regcomp(&preg, (char *)p, cflags);      rc = regcomp(&preg, (char *)p, cflags);
1311    
# Line 1220  while (!done) Line 1326  while (!done)
1326  #endif  /* !defined NOPOSIX */  #endif  /* !defined NOPOSIX */
1327    
1328      {      {
1329        unsigned long int get_options;
1330    
1331      if (timeit > 0)      if (timeit > 0)
1332        {        {
1333        register int i;        register int i;
# Line 1249  while (!done) Line 1357  while (!done)
1357          {          {
1358          for (;;)          for (;;)
1359            {            {
1360            if (extend_inputline(infile, buffer) == NULL)            if (extend_inputline(infile, buffer, NULL) == NULL)
1361              {              {
1362              done = 1;              done = 1;
1363              goto CONTINUE;              goto CONTINUE;
# Line 1263  while (!done) Line 1371  while (!done)
1371        goto CONTINUE;        goto CONTINUE;
1372        }        }
1373    
1374      /* Compilation succeeded; print data if required. There are now two      /* Compilation succeeded. It is now possible to set the UTF-8 option from
1375      info-returning functions. The old one has a limited interface and      within the regex; check for this so that we know how to process the data
1376      returns only limited data. Check that it agrees with the newer one. */      lines. */
1377    
1378        new_info(re, NULL, PCRE_INFO_OPTIONS, &get_options);
1379        if ((get_options & PCRE_UTF8) != 0) use_utf8 = 1;
1380    
1381        /* Print information if required. There are now two info-returning
1382        functions. The old one has a limited interface and returns only limited
1383        data. Check that it agrees with the newer one. */
1384    
1385      if (log_store)      if (log_store)
1386        fprintf(outfile, "Memory allocation (code space): %d\n",        fprintf(outfile, "Memory allocation (code space): %d\n",
# Line 1312  while (!done) Line 1427  while (!done)
1427      if (do_flip)      if (do_flip)
1428        {        {
1429        real_pcre *rre = (real_pcre *)re;        real_pcre *rre = (real_pcre *)re;
1430        rre->magic_number = byteflip(rre->magic_number, sizeof(rre->magic_number));        rre->magic_number =
1431            byteflip(rre->magic_number, sizeof(rre->magic_number));
1432        rre->size = byteflip(rre->size, sizeof(rre->size));        rre->size = byteflip(rre->size, sizeof(rre->size));
1433        rre->options = byteflip(rre->options, sizeof(rre->options));        rre->options = byteflip(rre->options, sizeof(rre->options));
1434        rre->top_bracket = byteflip(rre->top_bracket, sizeof(rre->top_bracket));        rre->flags = (pcre_uint16)byteflip(rre->flags, sizeof(rre->flags));
1435        rre->top_backref = byteflip(rre->top_backref, sizeof(rre->top_backref));        rre->top_bracket =
1436        rre->first_byte = byteflip(rre->first_byte, sizeof(rre->first_byte));          (pcre_uint16)byteflip(rre->top_bracket, sizeof(rre->top_bracket));
1437        rre->req_byte = byteflip(rre->req_byte, sizeof(rre->req_byte));        rre->top_backref =
1438        rre->name_table_offset = byteflip(rre->name_table_offset,          (pcre_uint16)byteflip(rre->top_backref, sizeof(rre->top_backref));
1439          rre->first_byte =
1440            (pcre_uint16)byteflip(rre->first_byte, sizeof(rre->first_byte));
1441          rre->req_byte =
1442            (pcre_uint16)byteflip(rre->req_byte, sizeof(rre->req_byte));
1443          rre->name_table_offset = (pcre_uint16)byteflip(rre->name_table_offset,
1444          sizeof(rre->name_table_offset));          sizeof(rre->name_table_offset));
1445        rre->name_entry_size = byteflip(rre->name_entry_size,        rre->name_entry_size = (pcre_uint16)byteflip(rre->name_entry_size,
1446          sizeof(rre->name_entry_size));          sizeof(rre->name_entry_size));
1447        rre->name_count = byteflip(rre->name_count, sizeof(rre->name_count));        rre->name_count = (pcre_uint16)byteflip(rre->name_count,
1448            sizeof(rre->name_count));
1449    
1450        if (extra != NULL)        if (extra != NULL)
1451          {          {
1452          pcre_study_data *rsd = (pcre_study_data *)(extra->study_data);          pcre_study_data *rsd = (pcre_study_data *)(extra->study_data);
1453          rsd->size = byteflip(rsd->size, sizeof(rsd->size));          rsd->size = byteflip(rsd->size, sizeof(rsd->size));
1454          rsd->options = byteflip(rsd->options, sizeof(rsd->options));          rsd->flags = byteflip(rsd->flags, sizeof(rsd->flags));
1455            rsd->minlength = byteflip(rsd->minlength, sizeof(rsd->minlength));
1456          }          }
1457        }        }
1458    
# Line 1343  while (!done) Line 1466  while (!done)
1466        pcre_printint(re, outfile, debug_lengths);        pcre_printint(re, outfile, debug_lengths);
1467        }        }
1468    
1469        /* We already have the options in get_options (see above) */
1470    
1471      if (do_showinfo)      if (do_showinfo)
1472        {        {
1473        unsigned long int get_options, all_options;        unsigned long int all_options;
1474  #if !defined NOINFOCHECK  #if !defined NOINFOCHECK
1475        int old_first_char, old_options, old_count;        int old_first_char, old_options, old_count;
1476  #endif  #endif
1477        int count, backrefmax, first_char, need_char;        int count, backrefmax, first_char, need_char, okpartial, jchanged,
1478            hascrorlf;
1479        int nameentrysize, namecount;        int nameentrysize, namecount;
1480        const uschar *nametable;        const uschar *nametable;
1481    
       new_info(re, NULL, PCRE_INFO_OPTIONS, &get_options);  
1482        new_info(re, NULL, PCRE_INFO_SIZE, &size);        new_info(re, NULL, PCRE_INFO_SIZE, &size);
1483        new_info(re, NULL, PCRE_INFO_CAPTURECOUNT, &count);        new_info(re, NULL, PCRE_INFO_CAPTURECOUNT, &count);
1484        new_info(re, NULL, PCRE_INFO_BACKREFMAX, &backrefmax);        new_info(re, NULL, PCRE_INFO_BACKREFMAX, &backrefmax);
# Line 1362  while (!done) Line 1487  while (!done)
1487        new_info(re, NULL, PCRE_INFO_NAMEENTRYSIZE, &nameentrysize);        new_info(re, NULL, PCRE_INFO_NAMEENTRYSIZE, &nameentrysize);
1488        new_info(re, NULL, PCRE_INFO_NAMECOUNT, &namecount);        new_info(re, NULL, PCRE_INFO_NAMECOUNT, &namecount);
1489        new_info(re, NULL, PCRE_INFO_NAMETABLE, (void *)&nametable);        new_info(re, NULL, PCRE_INFO_NAMETABLE, (void *)&nametable);
1490          new_info(re, NULL, PCRE_INFO_OKPARTIAL, &okpartial);
1491          new_info(re, NULL, PCRE_INFO_JCHANGED, &jchanged);
1492          new_info(re, NULL, PCRE_INFO_HASCRORLF, &hascrorlf);
1493    
1494  #if !defined NOINFOCHECK  #if !defined NOINFOCHECK
1495        old_count = pcre_info(re, &old_options, &old_first_char);        old_count = pcre_info(re, &old_options, &old_first_char);
# Line 1403  while (!done) Line 1531  while (!done)
1531            }            }
1532          }          }
1533    
1534        /* The NOPARTIAL bit is a private bit in the options, so we have        if (!okpartial) fprintf(outfile, "Partial matching not supported\n");
1535        to fish it out via out back door */        if (hascrorlf) fprintf(outfile, "Contains explicit CR or LF match\n");
1536    
1537        all_options = ((real_pcre *)re)->options;        all_options = ((real_pcre *)re)->options;
1538        if (do_flip)        if (do_flip) all_options = byteflip(all_options, sizeof(all_options));
         {  
         all_options = byteflip(all_options, sizeof(all_options));  
          }  
   
       if ((all_options & PCRE_NOPARTIAL) != 0)  
         fprintf(outfile, "Partial matching not supported\n");  
1539    
1540        if (get_options == 0) fprintf(outfile, "No options\n");        if (get_options == 0) fprintf(outfile, "No options\n");
1541          else fprintf(outfile, "Options:%s%s%s%s%s%s%s%s%s%s%s%s%s\n",          else fprintf(outfile, "Options:%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s\n",
1542            ((get_options & PCRE_ANCHORED) != 0)? " anchored" : "",            ((get_options & PCRE_ANCHORED) != 0)? " anchored" : "",
1543            ((get_options & PCRE_CASELESS) != 0)? " caseless" : "",            ((get_options & PCRE_CASELESS) != 0)? " caseless" : "",
1544            ((get_options & PCRE_EXTENDED) != 0)? " extended" : "",            ((get_options & PCRE_EXTENDED) != 0)? " extended" : "",
1545            ((get_options & PCRE_MULTILINE) != 0)? " multiline" : "",            ((get_options & PCRE_MULTILINE) != 0)? " multiline" : "",
1546            ((get_options & PCRE_FIRSTLINE) != 0)? " firstline" : "",            ((get_options & PCRE_FIRSTLINE) != 0)? " firstline" : "",
1547            ((get_options & PCRE_DOTALL) != 0)? " dotall" : "",            ((get_options & PCRE_DOTALL) != 0)? " dotall" : "",
1548              ((get_options & PCRE_BSR_ANYCRLF) != 0)? " bsr_anycrlf" : "",
1549              ((get_options & PCRE_BSR_UNICODE) != 0)? " bsr_unicode" : "",
1550            ((get_options & PCRE_DOLLAR_ENDONLY) != 0)? " dollar_endonly" : "",            ((get_options & PCRE_DOLLAR_ENDONLY) != 0)? " dollar_endonly" : "",
1551            ((get_options & PCRE_EXTRA) != 0)? " extra" : "",            ((get_options & PCRE_EXTRA) != 0)? " extra" : "",
1552            ((get_options & PCRE_UNGREEDY) != 0)? " ungreedy" : "",            ((get_options & PCRE_UNGREEDY) != 0)? " ungreedy" : "",
# Line 1431  while (!done) Line 1555  while (!done)
1555            ((get_options & PCRE_NO_UTF8_CHECK) != 0)? " no_utf8_check" : "",            ((get_options & PCRE_NO_UTF8_CHECK) != 0)? " no_utf8_check" : "",
1556            ((get_options & PCRE_DUPNAMES) != 0)? " dupnames" : "");            ((get_options & PCRE_DUPNAMES) != 0)? " dupnames" : "");
1557    
1558          if (jchanged) fprintf(outfile, "Duplicate name status changes\n");
1559    
1560        switch (get_options & PCRE_NEWLINE_BITS)        switch (get_options & PCRE_NEWLINE_BITS)
1561          {          {
1562          case PCRE_NEWLINE_CR:          case PCRE_NEWLINE_CR:
# Line 1445  while (!done) Line 1571  while (!done)
1571          fprintf(outfile, "Forced newline sequence: CRLF\n");          fprintf(outfile, "Forced newline sequence: CRLF\n");
1572          break;          break;
1573    
1574            case PCRE_NEWLINE_ANYCRLF:
1575            fprintf(outfile, "Forced newline sequence: ANYCRLF\n");
1576            break;
1577    
1578          case PCRE_NEWLINE_ANY:          case PCRE_NEWLINE_ANY:
1579          fprintf(outfile, "Forced newline sequence: ANY\n");          fprintf(outfile, "Forced newline sequence: ANY\n");
1580          break;          break;
# Line 1499  while (!done) Line 1629  while (!done)
1629          else          else
1630            {            {
1631            uschar *start_bits = NULL;            uschar *start_bits = NULL;
1632              int minlength;
1633    
1634              new_info(re, extra, PCRE_INFO_MINLENGTH, &minlength);
1635              fprintf(outfile, "Subject length lower bound = %d\n", minlength);
1636    
1637            new_info(re, extra, PCRE_INFO_FIRSTTABLE, &start_bits);            new_info(re, extra, PCRE_INFO_FIRSTTABLE, &start_bits);
   
1638            if (start_bits == NULL)            if (start_bits == NULL)
1639              fprintf(outfile, "No starting byte set\n");              fprintf(outfile, "No set of starting bytes\n");
1640            else            else
1641              {              {
1642              int i;              int i;
# Line 1549  while (!done) Line 1683  while (!done)
1683        else        else
1684          {          {
1685          uschar sbuf[8];          uschar sbuf[8];
1686          sbuf[0] = (true_size >> 24)  & 255;          sbuf[0] = (uschar)((true_size >> 24) & 255);
1687          sbuf[1] = (true_size >> 16)  & 255;          sbuf[1] = (uschar)((true_size >> 16) & 255);
1688          sbuf[2] = (true_size >>  8)  & 255;          sbuf[2] = (uschar)((true_size >>  8) & 255);
1689          sbuf[3] = (true_size)  & 255;          sbuf[3] = (uschar)((true_size) & 255);
1690    
1691          sbuf[4] = (true_study_size >> 24)  & 255;          sbuf[4] = (uschar)((true_study_size >> 24) & 255);
1692          sbuf[5] = (true_study_size >> 16)  & 255;          sbuf[5] = (uschar)((true_study_size >> 16) & 255);
1693          sbuf[6] = (true_study_size >>  8)  & 255;          sbuf[6] = (uschar)((true_study_size >>  8) & 255);
1694          sbuf[7] = (true_study_size)  & 255;          sbuf[7] = (uschar)((true_study_size) & 255);
1695    
1696          if (fwrite(sbuf, 1, 8, f) < 8 ||          if (fwrite(sbuf, 1, 8, f) < 8 ||
1697              fwrite(re, 1, true_size, f) < true_size)              fwrite(re, 1, true_size, f) < true_size)
# Line 1594  while (!done) Line 1728  while (!done)
1728    for (;;)    for (;;)
1729      {      {
1730      uschar *q;      uschar *q;
1731      uschar *bptr = dbuffer;      uschar *bptr;
1732      int *use_offsets = offsets;      int *use_offsets = offsets;
1733      int use_size_offsets = size_offsets;      int use_size_offsets = size_offsets;
1734      int callout_data = 0;      int callout_data = 0;
1735      int callout_data_set = 0;      int callout_data_set = 0;
1736      int count, c;      int count, c;
1737      int copystrings = 0;      int copystrings = 0;
1738      int find_match_limit = 0;      int find_match_limit = default_find_match_limit;
1739      int getstrings = 0;      int getstrings = 0;
1740      int getlist = 0;      int getlist = 0;
1741      int gmatched = 0;      int gmatched = 0;
# Line 1631  while (!done) Line 1765  while (!done)
1765      len = 0;      len = 0;
1766      for (;;)      for (;;)
1767        {        {
1768        if (infile == stdin) printf("data> ");        if (extend_inputline(infile, buffer + len, "data> ") == NULL)
       if (extend_inputline(infile, buffer + len) == NULL)  
1769          {          {
1770          if (len > 0) break;          if (len > 0) break;
1771          done = 1;          done = 1;
# Line 1650  while (!done) Line 1783  while (!done)
1783      p = buffer;      p = buffer;
1784      while (isspace(*p)) p++;      while (isspace(*p)) p++;
1785    
1786      q = dbuffer;      bptr = q = dbuffer;
1787      while ((c = *p++) != 0)      while ((c = *p++) != 0)
1788        {        {
1789        int i = 0;        int i = 0;
# Line 1700  while (!done) Line 1833  while (!done)
1833              {              {
1834              unsigned char buff8[8];              unsigned char buff8[8];
1835              int ii, utn;              int ii, utn;
1836              utn = ord2utf8(c, buff8);              if (use_utf8)
1837              for (ii = 0; ii < utn - 1; ii++) *q++ = buff8[ii];                {
1838              c = buff8[ii];   /* Last byte */                utn = ord2utf8(c, buff8);
1839                  for (ii = 0; ii < utn - 1; ii++) *q++ = buff8[ii];
1840                  c = buff8[ii];   /* Last byte */
1841                  }
1842                else
1843                 {
1844                 if (c > 255)
1845                   fprintf(outfile, "** Character \\x{%x} is greater than 255 and "
1846                     "UTF-8 mode is not enabled.\n"
1847                     "** Truncation will probably give the wrong result.\n", c);
1848                 }
1849              p = pt + 1;              p = pt + 1;
1850              break;              break;
1851              }              }
# Line 1832  while (!done) Line 1975  while (!done)
1975          continue;          continue;
1976    
1977          case 'N':          case 'N':
1978          options |= PCRE_NOTEMPTY;          if ((options & PCRE_NOTEMPTY) != 0)
1979              options = (options & ~PCRE_NOTEMPTY) | PCRE_NOTEMPTY_ATSTART;
1980            else
1981              options |= PCRE_NOTEMPTY;
1982          continue;          continue;
1983    
1984          case 'O':          case 'O':
# Line 1845  while (!done) Line 1991  while (!done)
1991            if (offsets == NULL)            if (offsets == NULL)
1992              {              {
1993              printf("** Failed to get %d bytes of memory for offsets vector\n",              printf("** Failed to get %d bytes of memory for offsets vector\n",
1994                size_offsets_max * sizeof(int));                (int)(size_offsets_max * sizeof(int)));
1995              yield = 1;              yield = 1;
1996              goto EXIT;              goto EXIT;
1997              }              }
# Line 1855  while (!done) Line 2001  while (!done)
2001          continue;          continue;
2002    
2003          case 'P':          case 'P':
2004          options |= PCRE_PARTIAL;          options |= ((options & PCRE_PARTIAL_SOFT) == 0)?
2005              PCRE_PARTIAL_SOFT : PCRE_PARTIAL_HARD;
2006          continue;          continue;
2007    
2008          case 'Q':          case 'Q':
# Line 1890  while (!done) Line 2037  while (!done)
2037          show_malloc = 1;          show_malloc = 1;
2038          continue;          continue;
2039    
2040            case 'Y':
2041            options |= PCRE_NO_START_OPTIMIZE;
2042            continue;
2043    
2044          case 'Z':          case 'Z':
2045          options |= PCRE_NOTEOL;          options |= PCRE_NOTEOL;
2046          continue;          continue;
# Line 1912  while (!done) Line 2063  while (!done)
2063      *q = 0;      *q = 0;
2064      len = q - dbuffer;      len = q - dbuffer;
2065    
2066        /* Move the data to the end of the buffer so that a read over the end of
2067        the buffer will be seen by valgrind, even if it doesn't cause a crash. If
2068        we are using the POSIX interface, we must include the terminating zero. */
2069    
2070    #if !defined NOPOSIX
2071        if (posix || do_posix)
2072          {
2073          memmove(bptr + buffer_size - len - 1, bptr, len + 1);
2074          bptr += buffer_size - len - 1;
2075          }
2076        else
2077    #endif
2078          {
2079          memmove(bptr + buffer_size - len, bptr, len);
2080          bptr += buffer_size - len;
2081          }
2082    
2083      if ((all_use_dfa || use_dfa) && find_match_limit)      if ((all_use_dfa || use_dfa) && find_match_limit)
2084        {        {
2085        printf("**Match limit not relevant for DFA matching: ignored\n");        printf("**Match limit not relevant for DFA matching: ignored\n");
# Line 1931  while (!done) Line 2099  while (!done)
2099          pmatch = (regmatch_t *)malloc(sizeof(regmatch_t) * use_size_offsets);          pmatch = (regmatch_t *)malloc(sizeof(regmatch_t) * use_size_offsets);
2100        if ((options & PCRE_NOTBOL) != 0) eflags |= REG_NOTBOL;        if ((options & PCRE_NOTBOL) != 0) eflags |= REG_NOTBOL;
2101        if ((options & PCRE_NOTEOL) != 0) eflags |= REG_NOTEOL;        if ((options & PCRE_NOTEOL) != 0) eflags |= REG_NOTEOL;
2102          if ((options & PCRE_NOTEMPTY) != 0) eflags |= REG_NOTEMPTY;
2103    
2104        rc = regexec(&preg, (const char *)bptr, use_size_offsets, pmatch, eflags);        rc = regexec(&preg, (const char *)bptr, use_size_offsets, pmatch, eflags);
2105    
# Line 1986  while (!done) Line 2155  while (!done)
2155            {            {
2156            int workspace[1000];            int workspace[1000];
2157            for (i = 0; i < timeitm; i++)            for (i = 0; i < timeitm; i++)
2158              count = pcre_dfa_exec(re, NULL, (char *)bptr, len, start_offset,              count = pcre_dfa_exec(re, extra, (char *)bptr, len, start_offset,
2159                options | g_notempty, use_offsets, use_size_offsets, workspace,                options | g_notempty, use_offsets, use_size_offsets, workspace,
2160                sizeof(workspace)/sizeof(int));                sizeof(workspace)/sizeof(int));
2161            }            }
# Line 2049  while (!done) Line 2218  while (!done)
2218        else if (all_use_dfa || use_dfa)        else if (all_use_dfa || use_dfa)
2219          {          {
2220          int workspace[1000];          int workspace[1000];
2221          count = pcre_dfa_exec(re, NULL, (char *)bptr, len, start_offset,          count = pcre_dfa_exec(re, extra, (char *)bptr, len, start_offset,
2222            options | g_notempty, use_offsets, use_size_offsets, workspace,            options | g_notempty, use_offsets, use_size_offsets, workspace,
2223            sizeof(workspace)/sizeof(int));            sizeof(workspace)/sizeof(int));
2224          if (count == 0)          if (count == 0)
# Line 2204  while (!done) Line 2373  while (!done)
2373        else if (count == PCRE_ERROR_PARTIAL)        else if (count == PCRE_ERROR_PARTIAL)
2374          {          {
2375          fprintf(outfile, "Partial match");          fprintf(outfile, "Partial match");
2376  #if !defined NODFA          if (use_size_offsets > 1)
2377          if ((all_use_dfa || use_dfa) && use_size_offsets > 2)            {
2378            fprintf(outfile, ": %.*s", use_offsets[1] - use_offsets[0],            fprintf(outfile, ": ");
2379              bptr + use_offsets[0]);            pchars(bptr + use_offsets[0], use_offsets[1] - use_offsets[0],
2380  #endif              outfile);
2381              }
2382          fprintf(outfile, "\n");          fprintf(outfile, "\n");
2383          break;  /* Out of the /g loop */          break;  /* Out of the /g loop */
2384          }          }
# Line 2218  while (!done) Line 2388  while (!done)
2388        to advance the start offset, and continue. We won't be at the end of the        to advance the start offset, and continue. We won't be at the end of the
2389        string - that was checked before setting g_notempty.        string - that was checked before setting g_notempty.
2390    
2391        Complication arises in the case when the newline option is "any".        Complication arises in the case when the newline option is "any" or
2392        If the previous match was at the end of a line terminated by CRLF, an        "anycrlf". If the previous match was at the end of a line terminated by
2393        advance of one character just passes the \r, whereas we should prefer the        CRLF, an advance of one character just passes the \r, whereas we should
2394        longer newline sequence, as does the code in pcre_exec(). Fudge the        prefer the longer newline sequence, as does the code in pcre_exec().
2395        offset value to achieve this.        Fudge the offset value to achieve this.
2396    
2397        Otherwise, in the case of UTF-8 matching, the advance must be one        Otherwise, in the case of UTF-8 matching, the advance must be one
2398        character, not one byte. */        character, not one byte. */
# Line 2238  while (!done) Line 2408  while (!done)
2408              {              {
2409              int d;              int d;
2410              (void)pcre_config(PCRE_CONFIG_NEWLINE, &d);              (void)pcre_config(PCRE_CONFIG_NEWLINE, &d);
2411              obits = (d == '\r')? PCRE_NEWLINE_CR :              /* Note that these values are always the ASCII ones, even in
2412                      (d == '\n')? PCRE_NEWLINE_LF :              EBCDIC environments. CR = 13, NL = 10. */
2413                      (d == ('\r'<<8 | '\n'))? PCRE_NEWLINE_CRLF :              obits = (d == 13)? PCRE_NEWLINE_CR :
2414                        (d == 10)? PCRE_NEWLINE_LF :
2415                        (d == (13<<8 | 10))? PCRE_NEWLINE_CRLF :
2416                        (d == -2)? PCRE_NEWLINE_ANYCRLF :
2417                      (d == -1)? PCRE_NEWLINE_ANY : 0;                      (d == -1)? PCRE_NEWLINE_ANY : 0;
2418              }              }
2419            if ((obits & PCRE_NEWLINE_BITS) == PCRE_NEWLINE_ANY &&            if (((obits & PCRE_NEWLINE_BITS) == PCRE_NEWLINE_ANY ||
2420                   (obits & PCRE_NEWLINE_BITS) == PCRE_NEWLINE_ANYCRLF)
2421                  &&
2422                start_offset < len - 1 &&                start_offset < len - 1 &&
2423                bptr[start_offset] == '\r' &&                bptr[start_offset] == '\r' &&
2424                bptr[start_offset+1] == '\n')                bptr[start_offset+1] == '\n')
# Line 2276  while (!done) Line 2451  while (!done)
2451        if (!do_g && !do_G) break;        if (!do_g && !do_G) break;
2452    
2453        /* 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
2454        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
2455        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
2456        we set PCRE_NOTEMPTY and PCRE_ANCHORED and try the match again at the        PCRE_NOTEMPTY_ATSTART and PCRE_ANCHORED and try the match again at the
2457        same point. If this fails (picked up above) we advance to the next        same point. If this fails (picked up above) we advance to the next
2458        character. */        character. */
2459    
# Line 2287  while (!done) Line 2462  while (!done)
2462        if (use_offsets[0] == use_offsets[1])        if (use_offsets[0] == use_offsets[1])
2463          {          {
2464          if (use_offsets[0] == len) break;          if (use_offsets[0] == len) break;
2465          g_notempty = PCRE_NOTEMPTY | PCRE_ANCHORED;          g_notempty = PCRE_NOTEMPTY_ATSTART | PCRE_ANCHORED;
2466          }          }
2467    
2468        /* For /g, update the start offset, leaving the rest alone */        /* For /g, update the start offset, leaving the rest alone */
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