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| author | pfg <pfg@FreeBSD.org> | 2016-03-30 06:13:58 +0000 |
|---|---|---|
| committer | pfg <pfg@FreeBSD.org> | 2016-03-30 06:13:58 +0000 |
| commit | 3b7dd3908649871ac4cbd66a47ff4c055b7c82a8 (patch) | |
| tree | 04fd078a7c64dacafd9c18520f4837a749a87659 /lib | |
| parent | dd505c7bdadb032f6e8d5b063b17b0044d3c1983 (diff) | |
| download | FreeBSD-src-3b7dd3908649871ac4cbd66a47ff4c055b7c82a8.zip FreeBSD-src-3b7dd3908649871ac4cbd66a47ff4c055b7c82a8.tar.gz | |
freopen(3): prevent uninitialized errno.
Revert r297407 and redo it cleanly.
Pointed out by: Jukka A. Ukkonen
CID: 1018720
MFC after: 1 week
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/libc/stdio/freopen.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/lib/libc/stdio/freopen.c b/lib/libc/stdio/freopen.c index 13c19a7..8138a6b 100644 --- a/lib/libc/stdio/freopen.c +++ b/lib/libc/stdio/freopen.c @@ -66,8 +66,7 @@ freopen(const char * __restrict file, const char * __restrict mode, (void) fclose(fp); errno = sverrno; return (NULL); - } else - sverrno = 0; + } FLOCKFILE(fp); @@ -79,6 +78,7 @@ freopen(const char * __restrict file, const char * __restrict mode, * re-open the same file with a different mode. We allow this only * if the modes are compatible. */ + sverrno = 0; if (file == NULL) { /* See comment below regarding freopen() of closed files. */ if (fp->_flags == 0) { |
