X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;f=src%2Fmultibyte%2Fmbsnrtowcs.c;fp=src%2Fmultibyte%2Fmbsnrtowcs.c;h=f42e30d97126403c431108a8e22354ff804680a0;hb=485fb14ab414ef7fde4469a51b116281758a4aa0;hp=c6f0207f27476077e117c2d50729feafd63432ba;hpb=6f0cf3061b2f68f8a43e3417cc61965ffaa2fe95;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;