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| author | tjr <tjr@FreeBSD.org> | 2002-10-16 12:09:43 +0000 |
|---|---|---|
| committer | tjr <tjr@FreeBSD.org> | 2002-10-16 12:09:43 +0000 |
| commit | 3a88c84c050889dfcdf58a721602c40f9ae03a96 (patch) | |
| tree | 47fcbdba053baaebb80400ad1d663fa57af766bc /lib/libc/stdio/ungetwc.c | |
| parent | ccd9275d4ea58567606a870a1c0faabbbabd889b (diff) | |
| download | FreeBSD-src-3a88c84c050889dfcdf58a721602c40f9ae03a96.zip FreeBSD-src-3a88c84c050889dfcdf58a721602c40f9ae03a96.tar.gz | |
Set the error bit on the stream if an encoding error occurs. Improve
handling of multibyte sequences representing null wide characters.
Diffstat (limited to 'lib/libc/stdio/ungetwc.c')
| -rw-r--r-- | lib/libc/stdio/ungetwc.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/lib/libc/stdio/ungetwc.c b/lib/libc/stdio/ungetwc.c index 5eeb8b1..e20a763 100644 --- a/lib/libc/stdio/ungetwc.c +++ b/lib/libc/stdio/ungetwc.c @@ -49,8 +49,10 @@ __ungetwc(wint_t wc, FILE *fp) if (wc == WEOF) return (WEOF); memset(&mbs, 0, sizeof(mbs)); - if ((len = wcrtomb(buf, wc, &mbs)) == (size_t)-1) + if ((len = wcrtomb(buf, wc, &mbs)) == (size_t)-1) { + fp->_flags |= __SERR; return (WEOF); + } while (len-- != 0) if (__ungetc((unsigned char)buf[len], fp) == EOF) return (WEOF); |
