posix/bug-regex24.c

   1 #include <regex.h>
   2 #include <stdio.h>
   3 #include <string.h>
   4
   5 #define str "civic"
   6
   7 #define N 10
   8 static const char *expected[N] =
   9   {
  10     str, "c", "i", "", "", "", "", "", "", ""
  11   };
  12
  13 static int
  14 do_test (void)
  15 {
  16   regex_t rbuf;
  17   static const char pat[] = "\
  18 ^(.?)(.?)(.?)(.?)(.?)(.?)(.?)(.?)(.?).?\\9\\8\\7\\6\\5\\4\\3\\2\\1$";
  19
  20   int err = regcomp (&rbuf, pat, REG_EXTENDED);
  21   if (err != 0)
  22     {
  23       char errstr[300];
  24       regerror (err, &rbuf, errstr, sizeof (errstr));
  25       puts (errstr);
  26       return err;
  27     }
  28
  29   regmatch_t m[N];
  30   err = regexec (&rbuf, str, N, m, 0);
  31   if (err != 0)
  32     {
  33       puts ("regexec failed");
  34       return 1;
  35     }
  36
  37   int result = 0;
  38   for (int i = 0; i < N; ++i)
  39     if (m[i].rm_so == -1)
  40       {
  41         printf ("m[%d] unused\n", i);
  42         result = 1;
  43       }
  44     else
  45       {
  46         int len = m[i].rm_eo - m[i].rm_so;
  47
  48         printf ("m[%d] = \"%.*s\"\n", i, len, str + m[i].rm_so);
  49
  50         if (strlen (expected[i]) != len
  51             || memcmp (expected[i], str + m[i].rm_so, len) != 0)
  52           result = 1;
  53       }
  54
  55   return result;
  56 }
  57
  58 #define TIMEOUT 30
  59 #define TEST_FUNCTION do_test ()
  60 #include "../test-skeleton.c"