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re PR libstdc++/12077 ([3.4 only] wcin.rdbuf()->in_avail() return value too high)
2004-03-19 Paolo Carlini <pcarlini@suse.de> Petur Runolfsson <peturr02@ru.is> PR libstdc++/12077 * include/ext/stdio_sync_filebuf.h (showmanyc): Remove, there's no way to find out the conversion used by the underlying FILE*. * testsuite/ext/stdio_sync_filebuf/wchar_t/12077.cc: New. * testsuite/27_io/objects/char/9.cc: Tweak. Co-Authored-By: Petur Runolfsson <peturr02@ru.is> From-SVN: r79695
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Paolo Carlini
Paolo Carlini
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33d13fac08
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8268bba6f8
@ -1,3 +1,12 @@
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2004-03-19 Paolo Carlini <pcarlini@suse.de>
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Petur Runolfsson <peturr02@ru.is>
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PR libstdc++/12077
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* include/ext/stdio_sync_filebuf.h (showmanyc): Remove, there's
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no way to find out the conversion used by the underlying FILE*.
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* testsuite/ext/stdio_sync_filebuf/wchar_t/12077.cc: New.
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* testsuite/27_io/objects/char/9.cc: Tweak.
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2004-03-19 Paolo Carlini <pcarlini@suse.de>
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PR libstdc++/14648
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@ -1,6 +1,6 @@
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// Iostreams wrapper for stdio FILE* -*- C++ -*-
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// Copyright (C) 2003 Free Software Foundation, Inc.
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// Copyright (C) 2003, 2004 Free Software Foundation, Inc.
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//
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// This file is part of the GNU ISO C++ Library. This library is free
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// software; you can redistribute it and/or modify it under the
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@ -38,16 +38,6 @@
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#include <streambuf>
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#include <unistd.h>
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#if defined(_GLIBCXX_HAVE_S_ISREG) || defined(_GLIBCXX_HAVE_S_IFREG)
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# include <sys/stat.h>
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# ifdef _GLIBCXX_HAVE_S_ISREG
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# define _GLIBCXX_ISREG(x) S_ISREG(x)
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# else
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# define _GLIBCXX_ISREG(x) (((x) & S_IFMT) == S_IFREG)
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# endif
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#endif
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#include <cstdio>
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#ifdef _GLIBCXX_USE_WCHAR_T
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@ -82,7 +72,6 @@ namespace __gnu_cxx
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{ }
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protected:
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int_type
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syncgetc();
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@ -132,19 +121,6 @@ namespace __gnu_cxx
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virtual std::streamsize
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xsgetn(char_type* __s, std::streamsize __n);
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virtual std::streamsize
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showmanyc()
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{
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#if defined(_GLIBCXX_HAVE_S_ISREG) || defined(_GLIBCXX_HAVE_S_IFREG)
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// Regular files.
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struct stat __buffer;
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int __ret = fstat(fileno(_M_file), &__buffer);
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if (!__ret && _GLIBCXX_ISREG(__buffer.st_mode))
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return __buffer.st_size - ftell(_M_file);
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#endif
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return 0;
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}
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virtual int_type
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overflow(int_type __c = traits_type::eof())
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{
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@ -1,6 +1,6 @@
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// 2003-05-01 Petur Runolfsson <peturr02@ru.is>
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// Copyright (C) 2003 Free Software Foundation, Inc.
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// Copyright (C) 2003, 2004 Free Software Foundation, Inc.
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//
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// This file is part of the GNU ISO C++ Library. This library is free
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// software; you can redistribute it and/or modify it under the
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@ -18,10 +18,6 @@
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// Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307,
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// USA.
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// The ARM simulator does not provide support for "fstat", which
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// causes "in_avail" to return an incorrect value.
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// { dg-do run { xfail arm-none-elf } }
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#include <iostream>
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#include <cstdio>
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#include <testsuite_hooks.h>
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@ -39,8 +35,8 @@ void test09()
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freopen(name, "r", stdin);
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// The number of unread characters should be 4 (a, b, c, \\n)
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VERIFY( 4 == std::cin.rdbuf()->in_avail() );
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// basic_streambuf::showmanyc returns 0.
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VERIFY( 0 == std::cin.rdbuf()->in_avail() );
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}
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int
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@ -0,0 +1,79 @@
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// Copyright (C) 2004 Free Software Foundation
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//
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// This file is part of the GNU ISO C++ Library. This library is free
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// software; you can redistribute it and/or modify it under the
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// terms of the GNU General Public License as published by the
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// Free Software Foundation; either version 2, or (at your option)
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// any later version.
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// This library is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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// You should have received a copy of the GNU General Public License along
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// with this library; see the file COPYING. If not, write to the Free
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// Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307,
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// USA.
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#include <iostream>
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#include <locale>
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#include <testsuite_hooks.h>
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// libstdc++/12077
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void test01()
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{
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using namespace std;
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bool test __attribute__((unused)) = true;
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const char* name = "12077_tmp";
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locale loc = __gnu_test::try_named_locale("is_IS.UTF-8");
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locale::global(loc);
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wcin.imbue(loc);
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const char* str =
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"\x1\x2\x3\x4\x5\x6\x7\x8\x9\xa\xb\xc\xd\xe\xf\x10\x11\x12\x13"
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"\x14\x15\x16\x17\x18\x19\x1a\x1b\x1c\x1d\x1e\x1f\x20!\"#$%&"
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"'()*+,-./0123456789:;<=>?@}~\x7f\xc2\x80\xc2\x81\xc2\x82\xc2"
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"\x83\xc2\x84\xc2\x85\xc2\x86\xc2\x87\xc2\x88\xc2\x89\xc2\x8a"
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"\xc2\x8b\xc2\x8c\xc2\x8d\xc2\x8e\xc2\x8f\xc2\x90\xc2\x91\xc2"
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"\x92\xc2\x93\xc2\x94\xc2\x95\xc2\x96\xc2\x97\xc2\x98\xc2\x99"
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"\xc2\x9a\xc2\x9b\xc2\x9c\xc3\xba\xc3\xbb\xc3\xbc\xc3\xbd\xc3"
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"\xbe\xc3\xbf\xc4\x80\xc4\x81\xc4\x82\xc4\x83\xc4\x84\xc4\x85"
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"\xc4\x86\xc4\x87\xc4\x88\xc4\x89\xc4\x8a\xc4\x8b\xc4\x8c\xc4"
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"\x8d\xc4\x8e\xc4\x8f\xc4\x90\xc4\x91\xc4\x92\xc4\x93\xc4\x94"
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"\xc4\x95\xc4\x96\xc4\x97\xc4\x98\xc4\x99\xdf\xb8\xdf\xb9\xdf"
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"\xba\xdf\xbb\xdf\xbc\xdf\xbd\xdf\xbe\xdf\xbf\xe0\xa0\x80\xe0"
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"\xa0\x81\xe0\xa0\x82\xe0\xa0\x83\xe0\xa0\x84\xe0\xa0\x85\xe0"
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"\xa0\x86\xe0\xa0\x87\xe0\xa0\x88\xe0\xa0\x89\xe0\xa0\x8a\xe0"
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"\xa0\x8b\xe0\xa0\x8c\xe0\xa0\x8d\xe0\xa0\x8e\xe0\xa0\x8f\xe0"
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"\xa0\x90\xe0\xa0\x91\xe0\xa0\x92\xe0\xa0\x93\xe0\xa0\x94\xe0"
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"\xa0\x95\xe0\xa0\x96\xe0\xa0\x97\x1\x2\x4\x8\x10\x20@\xc2\x80"
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"\xc4\x80\xc8\x80\xd0\x80\xe0\xa0\x80\xe1\x80\x80\xe2\x80\x80"
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"\xe4\x80\x80\xe8\x80\x80\xf0\x90\x80\x80\xf0\xa0\x80\x80\xf1"
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"\x80\x80\x80\xf2\x80\x80\x80\xf4\x80\x80\x80\xf8\x88\x80\x80"
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"\x80\xf8\x90\x80\x80\x80\xf8\xa0\x80\x80\x80\xf9\x80\x80\x80"
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"\x80\xfa\x80\x80\x80\x80\xfc\x84\x80\x80\x80\x80\xfc\x88\x80"
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"\x80\x80\x80\xfc\x90\x80\x80\x80\x80\xfc\xa0\x80\x80\x80\x80"
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"\xfd\x80\x80\x80\x80\x80";
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FILE* file = fopen(name, "w");
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fputs(str, file);
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fclose(file);
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freopen(name, "r", stdin);
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streamsize n = wcin.rdbuf()->in_avail();
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while (n--)
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{
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wint_t c = wcin.rdbuf()->sbumpc();
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VERIFY( c != WEOF );
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}
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}
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int main()
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{
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test01();
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return 0;
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}
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