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| -rw-r--r-- | ChangeLog | 4 | ||||
| -rw-r--r-- | string/strncat.c | 6 |
2 files changed, 6 insertions, 4 deletions
@@ -1,5 +1,9 @@ 2014-10-24 Wilco Dijkstra <wdijkstr@arm.com> + * string/strncat.c (strncat): Improve performance by using strlen. + +2014-10-24 Wilco Dijkstra <wdijkstr@arm.com> + * string/strcat.c (strcat): Improve performance by using strlen/strcpy. 2014-10-24 Wilco Dijkstra <wdijkstr@arm.com> diff --git a/string/strncat.c b/string/strncat.c index 7ac4456..6d29114 100644 --- a/string/strncat.c +++ b/string/strncat.c @@ -33,13 +33,11 @@ STRNCAT (char *s1, const char *s2, size_t n) char *s = s1; /* Find the end of S1. */ - do - c = *s1++; - while (c != '\0'); + s1 += strlen (s1); /* Make S1 point before next character, so we can increment it while memory is read (wins on pipelined cpus). */ - s1 -= 2; + s1 -= 1; if (n >= 4) { |