musl - musl - an implementation of the standard library for Linux-based systems

musl - an implementation of the standard library for Linux-based systems

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author	Rich Felker <dalias@aerifal.cx>	2020年12月09日 11:34:29 -0500
committer	Rich Felker <dalias@aerifal.cx>	2020年12月09日 11:34:29 -0500
commit	c53e9b239418eb3e0e8be256abd0f6ad7608bbcf (patch)
tree	e404c8fcf9636fe6ef41eb578a01653bbb3b36ae /src/string/strstr.c
parent	b67d56c7b3b0f84360db749aa6f431a07761d9c8 (diff)
download	musl-c53e9b239418eb3e0e8be256abd0f6ad7608bbcf.tar.gz

fix misleading comment in strstr

the intent here is just to scan at least l bytes forward for the end of the haystack and at least some decent minimum to avoid doing it over and over if the needle is short, with no need to be precise. the comment erroneously stated this as an estimate for MIN when it's actually an estimate for MAX.

Diffstat (limited to 'src/string/strstr.c')

-rw-r--r--

src/string/strstr.c

1 files changed, 1 insertions, 1 deletions

diff --git a/src/string/strstr.c b/src/string/strstr.c
index 43a0207a..96657bc2 100644
--- a/src/string/strstr.c
+++ b/src/string/strstr.c

@@ -96,7 +96,7 @@ static char *twoway_strstr(const unsigned char *h, const unsigned char *n)

for (;;) {

/* Update incremental end-of-haystack pointer */

if (z-h < l) {

- /* Fast estimate for MIN(l,63) */

+ /* Fast estimate for MAX(l,63) */

size_t grow = l | 63;

const unsigned char *z2 = memchr(z, 0, grow);

if (z2) {

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