Date: Wed, 30 May 2012 04:06:39 +0000 (UTC) From: Eitan Adler <eadler@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r236288 - head/lib/libc/stdio Message-ID: <201205300406.q4U46d5W024887@svn.freebsd.org>
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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@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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