- const char *p;
- char *s;
- size_t len;
-
- len = strlen (file_name);
- if (len == 1 && file_name[0] == '/')
- p = file_name + 1;
- else if (len && file_name[len - 1] == '/')
- p = buf_find_reverse (file_name, len - 1, file_name + len - 1, 1);
- else
- p = strrchr (file_name, '/');
- if (p == NULL)
- p = file_name;
-
- s = xmalloc (p - file_name + 1);
- memcpy (s, file_name, p - file_name);
- s[p - file_name] = 0;
-
- return s;