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re PR libstdc++/10063 (stdio_filebuf broken)

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2003-12-10  Benjamin Kosnik  <bkoz@redhat.com>

	PR libstdc++/10063
	* config/io/basic_file_stdio.cc (__basic_file::sys_open): Sync.
	* testsuite/ext/stdio_filebuf/char/10063-1.cc: New.
	* testsuite/ext/stdio_filebuf/char/10063-2.cc: New.

From-SVN: r74505
This commit is contained in:
Benjamin Kosnik 2003-12-10 17:37:25 +00:00 committed by Benjamin Kosnik
parent da5cafa774
commit 35d6801ebe
4 changed files with 120 additions and 1 deletions
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7
libstdc++-v3/ChangeLog
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@ -1,3 +1,10 @@
2003-12-10 Benjamin Kosnik <bkoz@redhat.com>
PR libstdc++/10063
* config/io/basic_file_stdio.cc (__basic_file::sys_open): Sync.
* testsuite/ext/stdio_filebuf/char/10063-1.cc: New.
* testsuite/ext/stdio_filebuf/char/10063-2.cc: New.
2003-12-10 Paolo Carlini <pcarlini@suse.de>
* include/bits/locale_facets.tcc (num_put::do_put(void*)):

3
libstdc++-v3/config/io/basic_file_stdio.cc
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@ -134,6 +134,7 @@ namespace std
{
_M_cfile = __file;
_M_cfile_created = false;
this->sync();
__ret = this;
}
return __ret;
@ -201,7 +202,7 @@ namespace std
if (_M_cfile_created)
fclose(_M_cfile);
else
fflush(_M_cfile);
this->sync();
_M_cfile = 0;
__ret = this;
}

54
libstdc++-v3/testsuite/ext/stdio_filebuf/char/10063-1.cc Normal file
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@ -0,0 +1,54 @@
// Copyright (C) 2000, 2001, 2002, 2003 Free Software Foundation
//
// This file is part of the GNU ISO C++ Library. This library is free
// software; you can redistribute it and/or modify it under the
// terms of the GNU General Public License as published by the
// Free Software Foundation; either version 2, or (at your option)
// any later version.
// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
// You should have received a copy of the GNU General Public License along
// with this library; see the file COPYING. If not, write to the Free
// Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307,
// USA.
#include <cstdio>
#include <fstream>
#include <ext/stdio_filebuf.h>
#include <testsuite_hooks.h>
void test1()
{
using namespace std;
bool test __attribute__((unused)) = true;
FILE* file = fopen("tmp_10063-1", "w");
putc('0', file);
putc('1', file);
{
__gnu_cxx::stdio_filebuf<char> sbuf(file, ios_base::out);
sbuf.sputc('2');
sbuf.sputc('3');
}
putc('4', file);
fclose(file);
filebuf fbuf;
fbuf.open("tmp_10063-1", ios_base::in);
char buf[10];
streamsize n = fbuf.sgetn(buf, sizeof(buf));
fbuf.close();
VERIFY(n == 5);
VERIFY(!memcmp(buf, "01234", 5));
}
int main()
{
test1();
return 0;
}

57
libstdc++-v3/testsuite/ext/stdio_filebuf/char/10063-2.cc Normal file
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@ -0,0 +1,57 @@
// Copyright (C) 2000, 2001, 2002, 2003 Free Software Foundation
//
// This file is part of the GNU ISO C++ Library. This library is free
// software; you can redistribute it and/or modify it under the
// terms of the GNU General Public License as published by the
// Free Software Foundation; either version 2, or (at your option)
// any later version.
// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
// You should have received a copy of the GNU General Public License along
// with this library; see the file COPYING. If not, write to the Free
// Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307,
// USA.
#include <cstdio>
#include <fstream>
#include <ext/stdio_filebuf.h>
#include <testsuite_hooks.h>
void test2()
{
using namespace std;
bool test __attribute__((unused)) = true;
filebuf fbuf;
fbuf.open("tmp_10063-2", ios_base::out | ios_base::trunc);
fbuf.sputn("01234", 5);
fbuf.close();
FILE* file = fopen("tmp_10063-2", "r");
int c = getc(file);
VERIFY(c == '0');
c = getc(file);
VERIFY(c == '1');
{
__gnu_cxx::stdio_filebuf<char> sbuf(file, ios_base::in);
c = sbuf.sbumpc();
VERIFY(c == '2');
c = sbuf.sbumpc();
VERIFY(c == '3');
c = sbuf.sbumpc();
VERIFY(c == '4');
c = sbuf.sgetc();
VERIFY(c == EOF);
}
fclose(file);
}
int main()
{
test2();
return 0;
}