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Diffstat (limited to 'src/multibyte/mbsnrtowcs.c')
-rw-r--r--src/multibyte/mbsnrtowcs.c4
1 files changed, 4 insertions, 0 deletions
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;