diff options
| -rw-r--r-- | libbb/strrstr.c | 17 |
1 files changed, 7 insertions, 10 deletions
diff --git a/libbb/strrstr.c b/libbb/strrstr.c index 5a26859..126fed7 100644 --- a/libbb/strrstr.c +++ b/libbb/strrstr.c @@ -13,19 +13,16 @@ * The strrstr() function finds the last occurrence of the substring needle * in the string haystack. The terminating nul characters are not compared. */ -char* strrstr(const char *haystack, const char *needle) +char *strrstr(const char *haystack, const char *needle) { char *r = NULL; - - if (!needle[0]) - return r; - while (1) { - char *p = strstr(haystack, needle); - if (!p) - return r; + + do { + char *p = strstr(haystack, needle); + if (p) r = p; - haystack = p + 1; - } + } while (*haystack++); + return r; } #ifdef __DO_STRRSTR_TEST |