From 10389ff81b4ee5a7db293cf5d6205d8944e51901 Mon Sep 17 00:00:00 2001 From: Jody Bruchon <j...@jodybruchon.com> Date: Wed, 1 Jul 2020 17:55:04 -0400 Subject: [PATCH] libbb/last_char_is: rewrite for smaller and faster code
Signed-off-by: Jody Bruchon <j...@jodybruchon.com> --- libbb/last_char_is.c | 14 +++++--------- 1 file changed, 5 insertions(+), 9 deletions(-) diff --git a/libbb/last_char_is.c b/libbb/last_char_is.c index 918526e6c..b146b606f 100644 --- a/libbb/last_char_is.c +++ b/libbb/last_char_is.c @@ -9,16 +9,12 @@ #include "libbb.h" /* Find out if the last character of a string matches the one given */ -char* FAST_FUNC last_char_is(const char *s, int c) +char* FAST_FUNC last_char_is(char *s, char c) { - if (s) { - size_t sz = strlen(s); - /* Don't underrun the buffer if the string length is 0 */ - if (sz != 0) { - s += sz - 1; - if ((unsigned char)*s == c) - return (char*)s; - } + if (s && *s) { + while (*s != '\0') s++; + s--; + if (*s == c) return s; } return NULL; } -- 2.15.0 _______________________________________________ busybox mailing list busybox@busybox.net http://lists.busybox.net/mailman/listinfo/busybox