X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;f=src%2Fmultibyte%2Fmbsnrtowcs.c;h=33457f95bdccd6e68b56123f88e84522c7d9bad7;hb=71955b2ff88b40446611142429416536c709c961;hp=c6f0207f27476077e117c2d50729feafd63432ba;hpb=0b44a0315b47dd8eced9f3b7f31580cf14bbfc01;p=musl

diff --git a/src/multibyte/mbsnrtowcs.c b/src/multibyte/mbsnrtowcs.c
index c6f0207f..33457f95 100644
--- a/src/multibyte/mbsnrtowcs.c
+++ b/src/multibyte/mbsnrtowcs.c
@@ -12,7 +12,7 @@
 
 #include "internal.h"
 
-size_t mbsnrtowcs(wchar_t *wcs, const char **src, size_t n, size_t wn, mbstate_t *st)
+size_t mbsnrtowcs(wchar_t *restrict wcs, const char **restrict src, size_t n, size_t wn, mbstate_t *restrict st)
 {
 	size_t l, cnt=0, n2;
 	wchar_t *ws, wbuf[256];
@@ -47,6 +47,10 @@ size_t mbsnrtowcs(wchar_t *wcs, const char **src, size_t n, size_t wn, mbstate_t
 				cnt = l;
 				break;
 			}
+			if (!l) {
+				s = 0;
+				break;
+			}
 			/* have to roll back partial character */
 			*(unsigned *)st = 0;
 			break;