src/regression/regex-bracket-icase.c

   1 // [^aBcC] with REG_ICASE should match d,D but not a,A,b,B,c,C according to
   2 // http://austingroupbugs.net/view.php?id=872
   3 #include <regex.h>
   4 #include <limits.h>
   5 #include <stdio.h>
   6 #include "test.h"
   7
   8 int main(void)
   9 {
  10         char buf[100];
  11         char *pat;
  12         regex_t re;
  13         int n, i;
  14         struct {
  15                 char *s;
  16                 int n;
  17         } t[] = {
  18                 {"a", REG_NOMATCH},
  19                 {"A", REG_NOMATCH},
  20                 {"b", REG_NOMATCH},
  21                 {"B", REG_NOMATCH},
  22                 {"c", REG_NOMATCH},
  23                 {"C", REG_NOMATCH},
  24                 {"d", 0},
  25                 {"D", 0},
  26                 {0,0}
  27         };
  28
  29         pat = "[^aBcC]";
  30         n = regcomp(&re, pat, REG_ICASE);
  31         if (n) {
  32                 regerror(n, &re, buf, sizeof buf);
  33                 t_error("regcomp(\"%s\") failed: %d (%s)\n", pat, n, buf);
  34         }
  35
  36         for (i = 0; t[i].s; i++) {
  37                 n = regexec(&re, t[i].s, 0, 0, 0);
  38                 if (n != t[i].n) {
  39                         regerror(n, &re, buf, sizeof buf);
  40                         t_error("regexec(/%s/, \"%s\") returned %d (%s), wanted %d\n",
  41                                 pat, t[i].s, n, buf, t[i].n);
  42                 }
  43         }
  44
  45         return t_status;
  46 }