root/compat/strcasestr.c

DEFINITIONS

1. gitstrcasestr

#include "../git-compat-util.h"

char *gitstrcasestr(const char *haystack, const char *needle)
{
        int nlen = strlen(needle);
        int hlen = strlen(haystack) - nlen + 1;
        int i;

        for (i = 0; i < hlen; i++) {
                int j;
                for (j = 0; j < nlen; j++) {
                        unsigned char c1 = haystack[i+j];
                        unsigned char c2 = needle[j];
                        if (toupper(c1) != toupper(c2))
                                goto next;
                }
                return (char *) haystack + i;
        next:
                ;
        }
        return NULL;
}