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authorRich Felker <dalias@aerifal.cx>2018-11-02 12:01:37 -0400
committerRich Felker <dalias@aerifal.cx>2018-11-02 12:02:09 -0400
commit8f5a820d147da36bcdbddd201b35d293699dacd8 (patch)
treed2f96ac9eb116cd29e55102bcabdbc3a5c5a477b /src/string/memmem.c
parent1b52863e244ecee5b5935b6d36bb9e6efe84c035 (diff)
downloadmusl-8f5a820d147da36bcdbddd201b35d293699dacd8.tar.gz
fix spuriously slow check in twoway strstr/memmem cores
mem0 && mem && ... is redundant since mem can only be nonzero when mem0 is nonzero.
Diffstat (limited to 'src/string/memmem.c')
-rw-r--r--src/string/memmem.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/string/memmem.c b/src/string/memmem.c
index 54a66e46..ce3cd190 100644
--- a/src/string/memmem.c
+++ b/src/string/memmem.c
@@ -100,7 +100,7 @@ static char *twoway_memmem(const unsigned char *h, const unsigned char *z, const
if (BITOP(byteset, h[l-1], &)) {
k = l-shift[h[l-1]];
if (k) {
- if (mem0 && mem && k < p) k = l-p;
+ if (mem && k < p) k = l-p;
h += k;
mem = 0;
continue;