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| author | ache <ache@FreeBSD.org> | 2015-10-24 02:23:15 +0000 |
|---|---|---|
| committer | ache <ache@FreeBSD.org> | 2015-10-24 02:23:15 +0000 |
| commit | d6852ac6f1dfc1396dee130993f8686cf53f5d2c (patch) | |
| tree | c8f96d268fae59791f07df0c9f770053554f1f6a /lib/libc/stdio/stdio.c | |
| parent | 9901e2ee18d8dffc84891f9ec0e7de37518bb95f (diff) | |
| download | FreeBSD-src-d6852ac6f1dfc1396dee130993f8686cf53f5d2c.zip FreeBSD-src-d6852ac6f1dfc1396dee130993f8686cf53f5d2c.tar.gz | |
Since no room left in the _flags, reuse __SALC for O_APPEND.
It helps to remove _fcntl() call from _ftello() and optimize seek position
calculation in _swrite().
MFC after: 3 weeks
Diffstat (limited to 'lib/libc/stdio/stdio.c')
| -rw-r--r-- | lib/libc/stdio/stdio.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/lib/libc/stdio/stdio.c b/lib/libc/stdio/stdio.c index 44ee0ab..fc2e74b 100644 --- a/lib/libc/stdio/stdio.c +++ b/lib/libc/stdio/stdio.c @@ -117,7 +117,8 @@ _swrite(FILE *fp, char const *buf, int n) ret = (*fp->_write)(fp->_cookie, buf, n); /* __SOFF removed even on success in case O_APPEND mode is set. */ if (ret >= 0) { - if ((fp->_flags & (__SAPP|__SOFF)) == (__SAPP|__SOFF) && + /* XXX: Reuse __SALC for O_APPEND. */ + if ((fp->_flags & __SOFF) && !(fp->_flags & __SALC) && fp->_offset <= OFF_MAX - ret) fp->_offset += ret; else |
