2000-04-21 22:33:34 +02:00
|
|
|
// Wrapper of C-language FILE struct -*- C++ -*-
|
|
|
|
|
|
|
|
// Copyright (C) 2000 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
|
|
|
|
// 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.
|
|
|
|
|
|
|
|
// As a special exception, you may use this file as part of a free software
|
|
|
|
// library without restriction. Specifically, if other files instantiate
|
|
|
|
// templates or use macros or inline functions from this file, or you compile
|
|
|
|
// this file and link it with other files to produce an executable, this
|
|
|
|
// file does not by itself cause the resulting executable to be covered by
|
|
|
|
// the GNU General Public License. This exception does not however
|
|
|
|
// invalidate any other reasons why the executable file might be covered by
|
|
|
|
// the GNU General Public License.
|
|
|
|
|
|
|
|
//
|
|
|
|
// ISO C++ 14882: 27.8 File-based streams
|
|
|
|
//
|
|
|
|
|
|
|
|
#include <bits/basic_file.h>
|
|
|
|
#include <libioP.h>
|
|
|
|
#include <fcntl.h> // Solaris needs for O_* macros
|
|
|
|
|
|
|
|
namespace std {
|
|
|
|
|
|
|
|
__basic_file::__basic_file(__c_lock* __lock)
|
|
|
|
{
|
|
|
|
this->_lock = __lock;
|
|
|
|
_IO_init(this, 0);
|
|
|
|
_IO_file_init(this);
|
|
|
|
}
|
|
|
|
|
|
|
|
int
|
|
|
|
__basic_file::get_fileno(void)
|
|
|
|
{ return _fileno; }
|
|
|
|
|
|
|
|
__basic_file::~__basic_file()
|
|
|
|
{
|
|
|
|
if (_IO_file_is_open(this))
|
|
|
|
{
|
|
|
|
_IO_do_flush(this);
|
|
|
|
if (!(_IO_file_flags & _IO_DELETE_DONT_CLOSE))
|
|
|
|
_IO_SYSCLOSE(this);
|
|
|
|
}
|
|
|
|
else
|
|
|
|
_IO_un_link(this);
|
|
|
|
}
|
|
|
|
|
|
|
|
__basic_file*
|
|
|
|
__basic_file::sys_open(int __fd, ios_base::openmode __mode)
|
|
|
|
{
|
|
|
|
__basic_file* __retval = NULL;
|
|
|
|
bool __testi = __mode & ios_base::in;
|
|
|
|
bool __testo = __mode & ios_base::out;
|
|
|
|
#ifdef O_BINARY
|
|
|
|
bool __testb = __mode & ios_base::binary;
|
|
|
|
#endif
|
|
|
|
int __p_mode = 0;
|
|
|
|
int __rw_mode = _IO_NO_READS + _IO_NO_WRITES;
|
|
|
|
|
|
|
|
if (__testi)
|
|
|
|
{
|
|
|
|
__p_mode = O_RDONLY;
|
|
|
|
__rw_mode = _IO_NO_WRITES;
|
|
|
|
}
|
|
|
|
if (__testo)
|
|
|
|
{
|
|
|
|
__p_mode = O_WRONLY | O_TRUNC;
|
|
|
|
__rw_mode = _IO_NO_READS;
|
|
|
|
}
|
|
|
|
#ifdef O_BINARY
|
|
|
|
if (__testb)
|
|
|
|
__p_mode |= O_BINARY;
|
|
|
|
#endif
|
|
|
|
|
|
|
|
if (__fd >= 0)
|
|
|
|
{
|
|
|
|
__retval = this;
|
|
|
|
_fileno = __fd;
|
|
|
|
}
|
|
|
|
|
|
|
|
int __mask = _IO_NO_READS + _IO_NO_WRITES + _IO_IS_APPENDING;
|
|
|
|
_IO_file_flags = (_IO_file_flags & ~__mask) | (__rw_mode & __mask);
|
|
|
|
_IO_link_in(this);
|
|
|
|
return __retval;
|
|
|
|
}
|
|
|
|
|
|
|
|
__basic_file*
|
|
|
|
__basic_file::open(const char* __name, ios_base::openmode __mode,
|
|
|
|
int __prot = 0664)
|
|
|
|
{
|
|
|
|
__basic_file* __retval = NULL;
|
|
|
|
#ifdef O_BINARY
|
|
|
|
bool __testb = __mode & ios_base::binary;
|
|
|
|
#endif
|
|
|
|
bool __testi = __mode & ios_base::in;
|
|
|
|
bool __testo = __mode & ios_base::out;
|
|
|
|
bool __testt = __mode & ios_base::trunc;
|
|
|
|
bool __testa = __mode & ios_base::app;
|
|
|
|
int __p_mode = 0;
|
|
|
|
int __rw_mode = _IO_NO_READS + _IO_NO_WRITES;
|
|
|
|
|
|
|
|
if (!__testi && __testo && !__testt && !__testa)
|
|
|
|
{
|
|
|
|
__p_mode = O_WRONLY | O_TRUNC | O_CREAT;
|
|
|
|
__rw_mode = _IO_NO_READS;
|
|
|
|
}
|
|
|
|
if (!__testi && __testo && !__testt && __testa)
|
|
|
|
{
|
|
|
|
__p_mode = O_WRONLY | O_APPEND | O_CREAT;
|
|
|
|
__rw_mode = _IO_NO_READS | _IO_IS_APPENDING;
|
|
|
|
}
|
|
|
|
if (!__testi && __testo && __testt && !__testa)
|
|
|
|
{
|
|
|
|
__p_mode = O_WRONLY | O_TRUNC | O_CREAT;
|
|
|
|
__rw_mode = _IO_NO_READS;
|
|
|
|
}
|
|
|
|
if (__testi && !__testo && !__testt && !__testa)
|
|
|
|
{
|
|
|
|
__p_mode = O_RDONLY;
|
|
|
|
__rw_mode = _IO_NO_WRITES;
|
|
|
|
}
|
|
|
|
if (__testi && __testo && !__testt && !__testa)
|
|
|
|
{
|
|
|
|
__p_mode = O_RDWR;
|
|
|
|
__rw_mode = 0;
|
|
|
|
}
|
|
|
|
if (__testi && __testo && __testt && !__testa)
|
|
|
|
{
|
|
|
|
__p_mode = O_RDWR | O_TRUNC | O_CREAT;
|
|
|
|
__rw_mode = 0;
|
|
|
|
}
|
|
|
|
#ifdef O_BINARY
|
|
|
|
if (__testb)
|
|
|
|
__p_mode |= O_BINARY;
|
|
|
|
#endif
|
|
|
|
if ( !_IO_file_is_open(this))
|
|
|
|
{
|
|
|
|
#if _G_HAVE_IO_FILE_OPEN
|
|
|
|
__c_file_type* __f;
|
|
|
|
__f = _IO_file_open(this, __name, __p_mode, __prot, __rw_mode, 0);
|
|
|
|
__retval = __f ? this: NULL;
|
|
|
|
#else
|
|
|
|
int __i = ::open(__name, __p_mode, __prot);
|
|
|
|
if (__i >= 0)
|
|
|
|
{
|
|
|
|
__retval = this;
|
|
|
|
_fileno = __i;
|
|
|
|
}
|
|
|
|
int __mask = _IO_NO_READS + _IO_NO_WRITES + _IO_IS_APPENDING;
|
|
|
|
_IO_file_flags = (_IO_file_flags & ~__mask) | (__rw_mode & __mask);
|
|
|
|
_IO_link_in(this);
|
|
|
|
#endif
|
|
|
|
}
|
|
|
|
return __retval;
|
|
|
|
}
|
|
|
|
|
|
|
|
bool
|
|
|
|
__basic_file::is_open() { return _fileno >= 0; }
|
|
|
|
|
|
|
|
__basic_file*
|
|
|
|
__basic_file::close()
|
|
|
|
{
|
|
|
|
bool __testopen = _IO_file_close_it(this);
|
|
|
|
return __testopen ? static_cast<__basic_file*>(NULL) : this;
|
|
|
|
}
|
|
|
|
|
|
|
|
// NB: Unused.
|
|
|
|
int
|
|
|
|
__basic_file::overflow(int __c) { return _IO_file_overflow(this, __c); }
|
|
|
|
|
|
|
|
// NB: Unused.
|
|
|
|
int
|
|
|
|
__basic_file::underflow() { return _IO_file_underflow(this); }
|
|
|
|
|
|
|
|
// NB: Unused.
|
|
|
|
int
|
|
|
|
__basic_file::uflow() { return _IO_default_uflow(this); }
|
|
|
|
|
|
|
|
// NB: Unused.
|
|
|
|
int
|
|
|
|
__basic_file::pbackfail(int __c)
|
|
|
|
{ return _IO_default_pbackfail(this, __c); }
|
|
|
|
|
|
|
|
streamsize
|
|
|
|
__basic_file::xsputn(const char* __s, streamsize __n)
|
|
|
|
{ return _IO_file_xsputn(this, __s, __n); }
|
|
|
|
|
|
|
|
streamsize
|
|
|
|
__basic_file::xsgetn(char* __s, streamsize __n)
|
|
|
|
{ return _IO_default_xsgetn(this, __s, __n); }
|
|
|
|
|
2000-04-28 04:50:55 +02:00
|
|
|
streamoff
|
2000-04-21 22:33:34 +02:00
|
|
|
__basic_file::seekoff(streamoff __off, ios_base::seekdir __way,
|
|
|
|
ios_base::openmode __mode)
|
|
|
|
{ return _IO_file_seekoff(this, __off, __way, __mode); }
|
|
|
|
|
2000-04-28 04:50:55 +02:00
|
|
|
streamoff
|
|
|
|
__basic_file::seekpos(streamoff __pos, ios_base::openmode __mode)
|
|
|
|
{ return _IO_file_seekoff(this, __pos, ios_base::beg, __mode); }
|
2000-04-21 22:33:34 +02:00
|
|
|
|
|
|
|
// NB: Unused.
|
|
|
|
streambuf*
|
|
|
|
__basic_file::setbuf(char* __b, int __len)
|
|
|
|
{ return (streambuf*) _IO_file_setbuf(this,__b, __len); }
|
|
|
|
|
|
|
|
int
|
|
|
|
__basic_file::sync()
|
|
|
|
{ return _IO_file_sync(this); }
|
|
|
|
|
|
|
|
// NB: Unused.
|
|
|
|
int
|
|
|
|
__basic_file::doallocate()
|
|
|
|
{ return _IO_file_doallocate(this); }
|
|
|
|
|
|
|
|
// NB: Unused.
|
|
|
|
streamsize
|
|
|
|
__basic_file::sys_read(char* __s, streamsize __n)
|
|
|
|
{ return _IO_file_read(this, __s, __n); }
|
|
|
|
|
|
|
|
// NB: Unused.
|
|
|
|
streamsize
|
|
|
|
__basic_file::sys_write(const char* __s, streamsize __n)
|
|
|
|
{ return _IO_file_write(this, __s, __n); }
|
|
|
|
|
|
|
|
// NB: Unused.
|
2000-04-28 04:50:55 +02:00
|
|
|
streamoff
|
|
|
|
__basic_file::sys_seek(streamoff __pos, ios_base::seekdir __way)
|
2000-04-21 22:33:34 +02:00
|
|
|
{ return _IO_file_seek(this, __pos, __way); }
|
|
|
|
|
|
|
|
// NB: Unused.
|
|
|
|
int
|
|
|
|
__basic_file::sys_close() { return _IO_file_close(this); }
|
|
|
|
|
|
|
|
// NB: Unused.
|
|
|
|
int
|
|
|
|
__basic_file::sys_stat(void* __v) { return _IO_file_stat(this, __v); }
|
|
|
|
|
|
|
|
// NB: Unused.
|
|
|
|
int
|
|
|
|
__basic_file::showmanyc() { return EOF; }
|
|
|
|
|
|
|
|
// NB: Unused.
|
|
|
|
void
|
|
|
|
__basic_file::imbue(void* /*__v*/) { }
|
|
|
|
|
|
|
|
} // namespace std
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|