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| author |  Andy Shevchenko <andriy.shevchenko@linux.intel.com>
| 2023-01-27 17:51:35 +0200 |
|---|---|---|
| committer |  Kees Cook <keescook@chromium.org>
| 2023-01-27 11:42:57 -0800 |
| commit | a8c55407a7230798eb157ed2cf5398a6a2b123b6 (patch) | |
| tree | 169e4f50d1fe28c1d9c40aeacfc7f93c6abc0ea2 | |
| parent | crypto: hisilicon: Wipe entire pool on error (diff) | |
| download | linux-a8c55407a7230798eb157ed2cf5398a6a2b123b6.tar.gz linux-a8c55407a7230798eb157ed2cf5398a6a2b123b6.tar.bz2 linux-a8c55407a7230798eb157ed2cf5398a6a2b123b6.zip | |
lib/string: Use strchr() in strpbrk()
Use strchr() instead of open coding it as it's done elsewhere in
the same file. Either we will have similar to what it was or possibly
better performance in case architecture implements its own strchr().
Memory wise on x86_64 bloat-o-meter shows the following
Function old new delta
strsep 111 102 -9
Total: Before=2763, After=2754, chg -0.33%
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Kees Cook <keescook@chromium.org>
Link: https://lore.kernel.org/r/20230127155135.27153-1-andriy.shevchenko@linux.intel.com
| -rw-r--r-- | lib/string.c | 10 |
1 files changed, 4 insertions, 6 deletions
diff --git a/lib/string.c b/lib/string.c index 4fb566ea610f..3d55ef890106 100644 --- a/lib/string.c +++ b/lib/string.c @@ -480,13 +480,11 @@ EXPORT_SYMBOL(strcspn); */ char *strpbrk(const char *cs, const char *ct) { - const char *sc1, *sc2; + const char *sc; - for (sc1 = cs; *sc1 != '\0'; ++sc1) { - for (sc2 = ct; *sc2 != '\0'; ++sc2) { - if (*sc1 == *sc2) - return (char *)sc1; - } + for (sc = cs; *sc != '\0'; ++sc) { + if (strchr(ct, *sc)) + return (char *)sc; } return NULL; } |