xref: /openbsd-src/gnu/gcc/libstdc++-v3/config/io/basic_file_stdio.h (revision 404b540a9034ac75a6199ad1a32d1bbc7a0d4210)
1*404b540aSrobert // Wrapper of C-language FILE struct -*- C++ -*-
2*404b540aSrobert 
3*404b540aSrobert // Copyright (C) 2000, 2001, 2002, 2003, 2004, 2005
4*404b540aSrobert // Free Software Foundation, Inc.
5*404b540aSrobert //
6*404b540aSrobert // This file is part of the GNU ISO C++ Library.  This library is free
7*404b540aSrobert // software; you can redistribute it and/or modify it under the
8*404b540aSrobert // terms of the GNU General Public License as published by the
9*404b540aSrobert // Free Software Foundation; either version 2, or (at your option)
10*404b540aSrobert // any later version.
11*404b540aSrobert 
12*404b540aSrobert // This library is distributed in the hope that it will be useful,
13*404b540aSrobert // but WITHOUT ANY WARRANTY; without even the implied warranty of
14*404b540aSrobert // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
15*404b540aSrobert // GNU General Public License for more details.
16*404b540aSrobert 
17*404b540aSrobert // You should have received a copy of the GNU General Public License along
18*404b540aSrobert // with this library; see the file COPYING.  If not, write to the Free
19*404b540aSrobert // Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
20*404b540aSrobert // USA.
21*404b540aSrobert 
22*404b540aSrobert // As a special exception, you may use this file as part of a free software
23*404b540aSrobert // library without restriction.  Specifically, if other files instantiate
24*404b540aSrobert // templates or use macros or inline functions from this file, or you compile
25*404b540aSrobert // this file and link it with other files to produce an executable, this
26*404b540aSrobert // file does not by itself cause the resulting executable to be covered by
27*404b540aSrobert // the GNU General Public License.  This exception does not however
28*404b540aSrobert // invalidate any other reasons why the executable file might be covered by
29*404b540aSrobert // the GNU General Public License.
30*404b540aSrobert 
31*404b540aSrobert //
32*404b540aSrobert // ISO C++ 14882: 27.8  File-based streams
33*404b540aSrobert //
34*404b540aSrobert 
35*404b540aSrobert /** @file basic_file.h
36*404b540aSrobert  *  This is an internal header file, included by other library headers.
37*404b540aSrobert  *  You should not attempt to use it directly.
38*404b540aSrobert  */
39*404b540aSrobert 
40*404b540aSrobert #ifndef _BASIC_FILE_STDIO_H
41*404b540aSrobert #define _BASIC_FILE_STDIO_H 1
42*404b540aSrobert 
43*404b540aSrobert #pragma GCC system_header
44*404b540aSrobert 
45*404b540aSrobert #include <bits/c++config.h>
46*404b540aSrobert #include <ios>
47*404b540aSrobert 
48*404b540aSrobert _GLIBCXX_BEGIN_NAMESPACE(std)
49*404b540aSrobert 
50*404b540aSrobert   // Generic declaration.
51*404b540aSrobert   template<typename _CharT>
52*404b540aSrobert     class __basic_file;
53*404b540aSrobert 
54*404b540aSrobert   // Specialization.
55*404b540aSrobert   template<>
56*404b540aSrobert     class __basic_file<char>
57*404b540aSrobert     {
58*404b540aSrobert       // Underlying data source/sink.
59*404b540aSrobert       __c_file* 	_M_cfile;
60*404b540aSrobert 
61*404b540aSrobert       // True iff we opened _M_cfile, and thus must close it ourselves.
62*404b540aSrobert       bool 		_M_cfile_created;
63*404b540aSrobert 
64*404b540aSrobert     public:
65*404b540aSrobert       __basic_file(__c_lock* __lock = 0);
66*404b540aSrobert 
67*404b540aSrobert       __basic_file*
68*404b540aSrobert       open(const char* __name, ios_base::openmode __mode, int __prot = 0664);
69*404b540aSrobert 
70*404b540aSrobert       __basic_file*
71*404b540aSrobert       sys_open(__c_file* __file, ios_base::openmode);
72*404b540aSrobert 
73*404b540aSrobert       __basic_file*
74*404b540aSrobert       sys_open(int __fd, ios_base::openmode __mode);
75*404b540aSrobert 
76*404b540aSrobert       __basic_file*
77*404b540aSrobert       close();
78*404b540aSrobert 
79*404b540aSrobert       bool
80*404b540aSrobert       is_open() const;
81*404b540aSrobert 
82*404b540aSrobert       int
83*404b540aSrobert       fd();
84*404b540aSrobert 
85*404b540aSrobert       __c_file*
86*404b540aSrobert       file();
87*404b540aSrobert 
88*404b540aSrobert       ~__basic_file();
89*404b540aSrobert 
90*404b540aSrobert       streamsize
91*404b540aSrobert       xsputn(const char* __s, streamsize __n);
92*404b540aSrobert 
93*404b540aSrobert       streamsize
94*404b540aSrobert       xsputn_2(const char* __s1, streamsize __n1,
95*404b540aSrobert 	       const char* __s2, streamsize __n2);
96*404b540aSrobert 
97*404b540aSrobert       streamsize
98*404b540aSrobert       xsgetn(char* __s, streamsize __n);
99*404b540aSrobert 
100*404b540aSrobert       streamoff
101*404b540aSrobert       seekoff(streamoff __off, ios_base::seekdir __way);
102*404b540aSrobert 
103*404b540aSrobert       int
104*404b540aSrobert       sync();
105*404b540aSrobert 
106*404b540aSrobert       streamsize
107*404b540aSrobert       showmanyc();
108*404b540aSrobert     };
109*404b540aSrobert 
110*404b540aSrobert _GLIBCXX_END_NAMESPACE
111*404b540aSrobert 
112*404b540aSrobert #endif
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