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re PR libstdc++/11691 (stdio_filebuf leaks FILE buffer when "no close" is requested)

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2003-12-06  Benjamin Kosnik  <bkoz@redhat.com>

	PR libstdc++/11691
	* include/ext/stdio_filebuf.h (stdio_filebuf::stdio_filebuf):
	Remove __del argument to file descriptor constructor.
	* config/io/basic_file_stdio.h (__basic_file::sys_open): Remove
	bool argument.
	* config/io/basic_file_stdio.cc: Same.

From-SVN: r74379
This commit is contained in:
Benjamin Kosnik 2003-12-07 03:46:14 +00:00 committed by Benjamin Kosnik
parent f7efd730c0
commit e80213d249
4 changed files with 20 additions and 18 deletions
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9
libstdc++-v3/ChangeLog
View File

@ -1,3 +1,12 @@
2003-12-06 Benjamin Kosnik <bkoz@redhat.com>
PR libstdc++/11691
* include/ext/stdio_filebuf.h (stdio_filebuf::stdio_filebuf):
Remove __del argument to file descriptor constructor.
* config/io/basic_file_stdio.h (__basic_file::sys_open): Remove
bool argument.
* config/io/basic_file_stdio.cc: Same.
2003-12-05 Benjamin Kosnik <bkoz@redhat.com>
PR libstdc++/13189

14
libstdc++-v3/config/io/basic_file_stdio.cc
View File

@ -140,8 +140,7 @@ namespace std
}
__basic_file<char>*
__basic_file<char>::sys_open(int __fd, ios_base::openmode __mode,
bool __del)
__basic_file<char>::sys_open(int __fd, ios_base::openmode __mode)
{
__basic_file* __ret = NULL;
int __p_mode = 0;
@ -151,12 +150,9 @@ namespace std
_M_open_mode(__mode, __p_mode, __rw_mode, __c_mode);
if (!this->is_open() && (_M_cfile = fdopen(__fd, __c_mode)))
{
// Iff __del is true, then close will fclose the fd.
_M_cfile_created = __del;
_M_cfile_created = true;
if (__fd == 0)
setvbuf(_M_cfile, reinterpret_cast<char*>(NULL), _IONBF, 0);
__ret = this;
}
return __ret;
@ -199,7 +195,7 @@ namespace std
__basic_file<char>*
__basic_file<char>::close()
{
__basic_file* __retval = static_cast<__basic_file*>(NULL);
__basic_file* __ret = static_cast<__basic_file*>(NULL);
if (this->is_open())
{
if (_M_cfile_created)
@ -207,9 +203,9 @@ namespace std
else
fflush(_M_cfile);
_M_cfile = 0;
__retval = this;
__ret = this;
}
return __retval;
return __ret;
}
streamsize

4
libstdc++-v3/config/io/basic_file_stdio.h
View File

@ -1,6 +1,6 @@
// Wrapper of C-language FILE struct -*- C++ -*-
// Copyright (C) 2000, 2001, 2002 Free Software Foundation, Inc.
// Copyright (C) 2000, 2001, 2002, 2003 Free Software Foundation, Inc.
//
// 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
@ -74,7 +74,7 @@ namespace std
sys_open(__c_file* __file, ios_base::openmode);
__basic_file*
sys_open(int __fd, ios_base::openmode __mode, bool __del);
sys_open(int __fd, ios_base::openmode __mode);
__basic_file*
close();

11
libstdc++-v3/include/ext/stdio_filebuf.h
View File

@ -65,14 +65,12 @@ namespace __gnu_cxx
/**
* @param fd An open file descriptor.
* @param mode Same meaning as in a standard filebuf.
* @param del Whether to close the file on destruction.
* @param size Optimal or preferred size of internal buffer, in chars.
*
* This constructor associates a file stream buffer with an open
* POSIX file descriptor. Iff @a del is true, then the associated
* file will be closed when the stdio_filebuf is closed/destroyed.
* POSIX file descriptor.
*/
stdio_filebuf(int __fd, std::ios_base::openmode __mode, bool __del,
stdio_filebuf(int __fd, std::ios_base::openmode __mode,
size_t __size = static_cast<size_t>(BUFSIZ));
/**
@ -114,10 +112,9 @@ namespace __gnu_cxx
template<typename _CharT, typename _Traits>
stdio_filebuf<_CharT, _Traits>::
stdio_filebuf(int __fd, std::ios_base::openmode __mode, bool __del,
size_t __size)
stdio_filebuf(int __fd, std::ios_base::openmode __mode, size_t __size)
{
this->_M_file.sys_open(__fd, __mode, __del);
this->_M_file.sys_open(__fd, __mode);
if (this->is_open())
{
this->_M_mode = __mode;