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2001-08-04  Ulrich Drepper  <drepper@redhat.com>

	* libio/fileops.c (_IO_new_file_underflow): Don't call
	_IO_flush_all_linebuffered.  This isn't required in any standard.
	Instead flush only stdout.
	* libio/wfileops.c (_IO_wfile_underflow): Likewise.
This commit is contained in:
Ulrich Drepper 2001-08-04 23:59:30 +00:00
parent be1152cab2
commit 3d759cb8d3
3 changed files with 50 additions and 3 deletions
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7
ChangeLog
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@ -1,3 +1,10 @@
2001-08-04 Ulrich Drepper <drepper@redhat.com>
* libio/fileops.c (_IO_new_file_underflow): Don't call
_IO_flush_all_linebuffered. This isn't required in any standard.
Instead flush only stdout.
* libio/wfileops.c (_IO_wfile_underflow): Likewise.
2001-08-04 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
* dlfcn/Makefile: Add rules for new testcase tststatic.

22
libio/fileops.c
View File

@ -506,7 +506,27 @@ _IO_new_file_underflow (fp)
/* Flush all line buffered files before reading. */
/* FIXME This can/should be moved to genops ?? */
if (fp->_flags & (_IO_LINE_BUF|_IO_UNBUFFERED))
_IO_flush_all_linebuffered ();
{
#if 0
_IO_flush_all_linebuffered ();
#else
/* We used to flush all line-buffered stream. This really isn't
required by any standard. My recollection is that
traditional Unix systems did this for stdout. stderr better
not be line buffered. So we do just that here
explicitly. --drepper */
_IO_cleanup_region_start ((void (*) __P ((void *))) _IO_funlockfile,
_IO_stdout);
_IO_flockfile (_IO_stdout);
if ((_IO_stdout->_flags & (_IO_LINKED | _IO_NO_WRITES | _IO_LINE_BUF))
== (_IO_LINKED | _IO_LINE_BUF))
_IO_OVERFLOW (_IO_stdout, EOF);
_IO_funlockfile (_IO_stdout);
_IO_cleanup_region_end (0);
#endif
}
_IO_switch_to_get_mode (fp);

24
libio/wfileops.c
View File

@ -1,4 +1,4 @@
/* Copyright (C) 1993, 95, 97, 98, 99, 2000 Free Software Foundation, Inc.
/* Copyright (C) 1993,95,97,98,99,2000,2001 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Written by Ulrich Drepper <drepper@cygnus.com>.
Based on the single byte version by Per Bothner <bothner@cygnus.com>.
@ -229,7 +229,27 @@ _IO_wfile_underflow (fp)
/* Flush all line buffered files before reading. */
/* FIXME This can/should be moved to genops ?? */
if (fp->_flags & (_IO_LINE_BUF|_IO_UNBUFFERED))
_IO_flush_all_linebuffered ();
{
#if 0
_IO_flush_all_linebuffered ();
#else
/* We used to flush all line-buffered stream. This really isn't
required by any standard. My recollection is that
traditional Unix systems did this for stdout. stderr better
not be line buffered. So we do just that here
explicitly. --drepper */
_IO_cleanup_region_start ((void (*) __P ((void *))) _IO_funlockfile,
_IO_stdout);
_IO_flockfile (_IO_stdout);
if ((_IO_stdout->_flags & (_IO_LINKED | _IO_NO_WRITES | _IO_LINE_BUF))
== (_IO_LINKED | _IO_LINE_BUF))
_IO_OVERFLOW (_IO_stdout, EOF);
_IO_funlockfile (_IO_stdout);
_IO_cleanup_region_end (0);
#endif
}
_IO_switch_to_get_mode (fp);