D34007.id101905.diff
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D34007.id101905.diff
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	diff --git a/lib/libc/stdio/fflush.c b/lib/libc/stdio/fflush.c
	--- a/lib/libc/stdio/fflush.c
	+++ b/lib/libc/stdio/fflush.c
	@@ -105,8 +105,8 @@
	int
	__sflush(FILE *fp)
	{
	- unsigned char *p;
	- int n, t;
	+ unsigned char p, old_p;
	+ int n, t, old_w;

	t = fp->_flags;
	if ((t & __SWR) == 0)
	@@ -121,7 +121,9 @@
	* Set these immediately to avoid problems with longjmp and to allow
	* exchange buffering (via setvbuf) in user write function.
	*/
	+ old_p = fp->_p;
	fp->_p = p;
	+ old_w = fp->_w;
	fp->_w = t & (__SLBF\|__SNBF) ? 0 : fp->_bf._size;

	for (; n > 0; n -= t, p += t) {
	@@ -134,6 +136,9 @@
	fp->_p += n;
	if ((fp->_flags & (__SLBF \| __SNBF)) == 0)
	fp->_w -= n;
	+ } else if (p == fp->_p) { /* cond. to handle setvbuf */
	+ fp->_p = old_p;
	+ fp->_w = old_w;
	}
	fp->_flags \|= __SERR;
	return (EOF);