svn commit: r236288 - head/lib/libc/stdio
Eitan Adler
eadler at FreeBSD.org
Wed May 30 04:06:40 UTC 2012
Author: eadler
Date: Wed May 30 04:06:38 2012
New Revision: 236288
URL: http://svn.freebsd.org/changeset/base/236288
Log:
Only set _w to 0 when the file stream is not currently reading. Without
this fflush may fail to write data in the buffer.
PR: kern/137819
Submitted by: Eric Blake <ebb9 at byu.net>
Reviewed by: theraven
Approved by: cperciva
MFC after: 2 weeks
Modified:
head/lib/libc/stdio/fpurge.c
Modified: head/lib/libc/stdio/fpurge.c
==============================================================================
--- head/lib/libc/stdio/fpurge.c Wed May 30 03:57:49 2012 (r236287)
+++ head/lib/libc/stdio/fpurge.c Wed May 30 04:06:38 2012 (r236288)
@@ -62,7 +62,7 @@ fpurge(fp)
FREEUB(fp);
fp->_p = fp->_bf._base;
fp->_r = 0;
- fp->_w = fp->_flags & (__SLBF|__SNBF) ? 0 : fp->_bf._size;
+ fp->_w = fp->_flags & (__SLBF|__SNBF|__SRD) ? 0 : fp->_bf._size;
retval = 0;
}
FUNLOCKFILE(fp);
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