| #include <string.h> | |
| #include <ctype.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; | |
| } |