X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;f=src%2Fmultibyte%2Fmbsnrtowcs.c;h=f42e30d97126403c431108a8e22354ff804680a0;hb=2b964b010e5d37cb2ff712d57a14095188d689e3;hp=c6f0207f27476077e117c2d50729feafd63432ba;hpb=0b44a0315b47dd8eced9f3b7f31580cf14bbfc01;p=musl

diff --git a/src/multibyte/mbsnrtowcs.c b/src/multibyte/mbsnrtowcs.c
index c6f0207f..f42e30d9 100644
--- a/src/multibyte/mbsnrtowcs.c
+++ b/src/multibyte/mbsnrtowcs.c
@@ -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;