[Bug libstdc++/12048] [3.4 Regression] unget does not work

[cvs-commit at gcc dot gnu dot org]

PLEASE REPLY TO gcc-bugzilla@gcc.gnu.org ONLY, *NOT* gcc-bugs@gcc.gnu.org.

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=12048



------- Additional Comments From cvs-commit at gcc dot gnu dot org  2003-09-03 14:57 -------
Subject: Bug 12048

CVSROOT:	/cvs/gcc
Module name:	gcc
Changes by:	bkoz@gcc.gnu.org	2003-09-03 14:57:05

Added files:
	libstdc++-v3/testsuite/27_io/objects/char: 12048-1.cc 12048-2.cc 
	                                           12048-3.cc 12048-4.cc 
	                                           12048-5.cc 
	libstdc++-v3/testsuite/27_io/objects/wchar_t: 12048-1.cc 
	                                              12048-2.cc 
	                                              12048-3.cc 
	                                              12048-4.cc 
	                                              12048-5.cc 
Removed files:
	libstdc++-v3/testsuite/27_io/objects/char: 12048.cc 

Log message:
	2003-09-03  Petur Runolfsson  <peturr02@ru.is>
	
	PR libstdc++/12048
	* include/ext/stdio_sync_filebuf.h
	(stdio_sync_filebuf::_M_unget_buf): Declare it.
	(stdio_sync_filebuf::stdio_sync_filebuf): Initialize _M_unget_buf.
	(stdio_sync_filebuf::uflow): Store the returned character in
	_M_unget_buf.
	(stdio_sync_filebuf::pbackfail): If argument is eof(), pass
	_M_unget_buf to syncungetc(). Set _M_unget_buf to eof().
	(stdio_sync_filebuf<char>::xsgetn): Store last read character in
	_M_unget_buf, if any, else eof().
	(stdio_sync_filebuf<wchar_t>::xsgetn: Store last read character in
	_M_unget_buf, if any, else eof().
	* testsuite/27_io/objects/char/12048.cc: Rename to...
	* testsuite/27_io/objects/char/12048-1.cc: ...this.
	* testsuite/27_io/objects/char/12048-2.cc: New test.
	* testsuite/27_io/objects/char/12048-3.cc: New test.
	* testsuite/27_io/objects/char/12048-4.cc: New test.
	* testsuite/27_io/objects/char/12048-5.cc: New test. XFAIL.
	* testsuite/27_io/objects/wchar_t/12048-1.cc: New test.
	* testsuite/27_io/objects/wchar_t/12048-2.cc: New test.
	* testsuite/27_io/objects/wchar_t/12048-3.cc: New test.
	* testsuite/27_io/objects/wchar_t/12048-4.cc: New test.
	* testsuite/27_io/objects/wchar_t/12048-5.cc: New test. XFAIL.
	* testsuite/ext/stdio_sync_filebuf_char.cc
	(test02, test03, test04, test05): New tests.
	* testsuite/ext/stdio_sync_filebuf_wchar_t.cc
	(test02, test03, test04, test05): New tests.

Patches:
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/libstdc++-v3/testsuite/27_io/objects/char/12048-1.cc.diff?cvsroot=gcc&r1=NONE&r2=1.1
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/libstdc++-v3/testsuite/27_io/objects/char/12048-2.cc.diff?cvsroot=gcc&r1=NONE&r2=1.1
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/libstdc++-v3/testsuite/27_io/objects/char/12048-3.cc.diff?cvsroot=gcc&r1=NONE&r2=1.1
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/libstdc++-v3/testsuite/27_io/objects/char/12048-4.cc.diff?cvsroot=gcc&r1=NONE&r2=1.1
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/libstdc++-v3/testsuite/27_io/objects/char/12048-5.cc.diff?cvsroot=gcc&r1=NONE&r2=1.1
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/libstdc++-v3/testsuite/27_io/objects/char/12048.cc.diff?cvsroot=gcc&r1=1.1&r2=NONE
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/libstdc++-v3/testsuite/27_io/objects/wchar_t/12048-1.cc.diff?cvsroot=gcc&r1=NONE&r2=1.1
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/libstdc++-v3/testsuite/27_io/objects/wchar_t/12048-2.cc.diff?cvsroot=gcc&r1=NONE&r2=1.1
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/libstdc++-v3/testsuite/27_io/objects/wchar_t/12048-3.cc.diff?cvsroot=gcc&r1=NONE&r2=1.1
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/libstdc++-v3/testsuite/27_io/objects/wchar_t/12048-4.cc.diff?cvsroot=gcc&r1=NONE&r2=1.1
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/libstdc++-v3/testsuite/27_io/objects/wchar_t/12048-5.cc.diff?cvsroot=gcc&r1=NONE&r2=1.1