1#include <string.h>
2#include <libgen.h>
3
4char *dirname(char *s)
5{
6 size_t i;
7 if (!s || !*s) return ".";
8 i = strlen(s)-1;
9 for (; s[i]=='/'; i--) if (!i) return "/";
10 for (; s[i]!='/'; i--) if (!i) return ".";
11 for (; s[i]=='/'; i--) if (!i) return "/";
12 s[i+1] = 0;
13 return s;
14}