Andrew's git - gitweb.git/blob - compat/strcasestr.c

   1#include "../git-compat-util.h"
   2
   3char *gitstrcasestr(const char *haystack, const char *needle)
   4{
   5        int nlen = strlen(needle);
   6        int hlen = strlen(haystack) - nlen + 1;
   7        int i;
   8
   9        for (i = 0; i < hlen; i++) {
  10                int j;
  11                for (j = 0; j < nlen; j++) {
  12                        unsigned char c1 = haystack[i+j];
  13                        unsigned char c2 = needle[j];
  14                        if (toupper(c1) != toupper(c2))
  15                                goto next;
  16                }
  17                return (char *) haystack + i;
  18        next:
  19                ;
  20        }
  21        return NULL;
  22}