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).

diff --git a/src/string/stpncpy.c b/src/string/stpncpy.c
index a877f5fe5e8d96d40adcade997dcde76807fd84d..473db17e9cd1c6682f0846731684537248864a81 100644 (file)
--- 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;