fix return value of wmemcmp for extreme wchar_t values

[musl] / src / string / swab.c

diff --git a/src/string/swab.c b/src/string/swab.c
index 9ed6fcd..ace0f46 100644 (file)
--- a/src/string/swab.c
+++ b/src/string/swab.c
@@ -4,7 +4,7 @@ void swab(const void *restrict _src, void *restrict _dest, ssize_t n)
 {
        const char *src = _src;
        char *dest = _dest;
-       for (; n>0; n-=2) {
+       for (; n>1; n-=2) {
                dest[0] = src[1];
                dest[1] = src[0];
                dest += 2;