diff options
Diffstat (limited to 'lib/libc/stdio/ungetwc.c')
-rw-r--r-- | lib/libc/stdio/ungetwc.c | 5 |
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); } |