summaryrefslogtreecommitdiffstats
path: root/lib/libc/stdio/ungetwc.c
diff options
context:
space:
mode:
Diffstat (limited to 'lib/libc/stdio/ungetwc.c')
-rw-r--r--lib/libc/stdio/ungetwc.c5
1 files changed, 4 insertions, 1 deletions
diff --git a/lib/libc/stdio/ungetwc.c b/lib/libc/stdio/ungetwc.c
index c9d5c49..9ef4602 100644
--- a/lib/libc/stdio/ungetwc.c
+++ b/lib/libc/stdio/ungetwc.c
@@ -42,12 +42,15 @@ __FBSDID("$FreeBSD$");
wint_t
__ungetwc(wint_t wc, FILE *fp)
{
+ static const mbstate_t initial;
+ mbstate_t mbs;
char buf[MB_LEN_MAX];
size_t len;
if (wc == WEOF)
return (WEOF);
- if ((len = wcrtomb(buf, wc, NULL)) == (size_t)-1) {
+ mbs = initial;
+ if ((len = wcrtomb(buf, wc, &mbs)) == (size_t)-1) {
fp->_flags |= __SERR;
return (WEOF);
}
OpenPOWER on IntegriCloud