commit 9f19b3ec8dec1e9402e31172a74b72cd46d3da36
author Rich Felker <dalias@aerifal.cx> Thu Feb 24 12:34:31 2011 -0500
committer Rich Felker <dalias@aerifal.cx> Thu Feb 24 12:34:31 2011 -0500
tree eec1213b1fa6d1bc5f89bf18eccfd06e675ccbf3
parent a6238c30d169cbac6bc4c4977622242063e32270

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).

src/string/stpncpy.c

diff --git a/src/string/stpncpy.c b/src/string/stpncpy.c
index a877f5f..473db17 100644
--- a/src/string/stpncpy.c
+++ b/src/string/stpncpy.c
@@ -14,7 +14,7 @@
 	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;