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>	2011年02月24日 12:34:31 -0500
committer	Rich Felker <dalias@aerifal.cx>	2011年02月24日 12:34:31 -0500
commit	9f19b3ec8dec1e9402e31172a74b72cd46d3da36 (patch)
tree	eec1213b1fa6d1bc5f89bf18eccfd06e675ccbf3
parent	a6238c30d169cbac6bc4c4977622242063e32270 (diff)
download	musl-9f19b3ec8dec1e9402e31172a74b72cd46d3da36.tar.gz

fix backwards conditional in stpncpy

this only made the function unnecessarily slow on systems with unaligned access, but would of course crash on systems that can't do unaligned accesses (none of which have ports yet).

Diffstat

-rw-r--r--

src/string/stpncpy.c

1 files changed, 1 insertions, 1 deletions

diff --git a/src/string/stpncpy.c b/src/string/stpncpy.c
index a877f5fe..473db17e 100644
--- a/src/string/stpncpy.c
+++ b/src/string/stpncpy.c

@@ -14,7 +14,7 @@ char *__stpncpy(char *d, const char *s, size_t n)

size_t *wd;

const size_t *ws;

- if (((uintptr_t)s & ALIGN) != ((uintptr_t)d & ALIGN)) {

+ if (((uintptr_t)s & ALIGN) == ((uintptr_t)d & ALIGN)) {

for (; ((uintptr_t)s & ALIGN) && n && (*d=*s); n--, s++, d++);

if (!n || !*s) goto tail;

wd=(void *)d; ws=(const void *)s;

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