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| author | Wilco Dijkstra <wdijkstr@arm.com> | 2014-11-24 15:09:07 +0000 |
|---|---|---|
| committer | Wilco Dijkstra <wdijkstr@arm.com> | 2014-11-24 15:09:07 +0000 |
| commit | b863d2bc4db728213e54ff502d2c3ae5dfa0db25 (patch) | |
| tree | bd4d8a4941c175859100cc681cb8b038599dd41b | |
| parent | 5d178c37a09748f720af1f0d1279ca513326f952 (diff) | |
| download | glibc-b863d2bc4db728213e54ff502d2c3ae5dfa0db25.tar.gz glibc-b863d2bc4db728213e54ff502d2c3ae5dfa0db25.tar.xz glibc-b863d2bc4db728213e54ff502d2c3ae5dfa0db25.zip | |
Improve strcpy performance.
| -rw-r--r-- | ChangeLog | 5 | ||||
| -rw-r--r-- | string/strcpy.c | 13 |
2 files changed, 6 insertions, 12 deletions
diff --git a/ChangeLog b/ChangeLog index 058c5a4c89..5e45a58779 100644 --- a/ChangeLog +++ b/ChangeLog @@ -1,3 +1,8 @@ +2014-09-23 Wilco Dijkstra <wdijkstr@arm.com> + + * string/strcpy.c (strcpy): + Improve performance by using strlen and memcpy. + 2014-11-24 Leonhard Holz <leonhard.holz@web.de> * string/strcoll_l.c (get_next_seq): __always_inline. diff --git a/string/strcpy.c b/string/strcpy.c index caa234a691..91f9cc640e 100644 --- a/string/strcpy.c +++ b/string/strcpy.c @@ -24,17 +24,6 @@ char * strcpy (char *dest, const char *src) { - char c; - char *s = (char *) src; - const ptrdiff_t off = dest - s - 1; - - do - { - c = *s++; - s[off] = c; - } - while (c != '\0'); - - return dest; + return memcpy (dest, src, strlen (src) + 1)); } libc_hidden_builtin_def (strcpy) |