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1 | // Wrapper of C-language FILE struct -*- C++ -*- |
2 | ||
00532602 | 3 | // Copyright (C) 2000, 2001, 2002 Free Software Foundation, Inc. |
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4 | // |
5 | // This file is part of the GNU ISO C++ Library. This library is free | |
6 | // software; you can redistribute it and/or modify it under the | |
7 | // terms of the GNU General Public License as published by the | |
8 | // Free Software Foundation; either version 2, or (at your option) | |
9 | // any later version. | |
10 | ||
11 | // This library is distributed in the hope that it will be useful, | |
12 | // but WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
14 | // GNU General Public License for more details. | |
15 | ||
16 | // You should have received a copy of the GNU General Public License along | |
17 | // with this library; see the file COPYING. If not, write to the Free | |
18 | // Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, | |
19 | // USA. | |
20 | ||
21 | // As a special exception, you may use this file as part of a free software | |
22 | // library without restriction. Specifically, if other files instantiate | |
23 | // templates or use macros or inline functions from this file, or you compile | |
24 | // this file and link it with other files to produce an executable, this | |
25 | // file does not by itself cause the resulting executable to be covered by | |
26 | // the GNU General Public License. This exception does not however | |
27 | // invalidate any other reasons why the executable file might be covered by | |
28 | // the GNU General Public License. | |
29 | ||
30 | // | |
31 | // ISO C++ 14882: 27.8 File-based streams | |
32 | // | |
33 | ||
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34 | /** @file basic_file.h |
35 | * This is an internal header file, included by other library headers. | |
36 | * You should not attempt to use it directly. | |
37 | */ | |
c0a26060 | 38 | |
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39 | #ifndef _CPP_BASIC_FILE |
40 | #define _CPP_BASIC_FILE 1 | |
c0a26060 | 41 | |
00532602 | 42 | #pragma GCC system_header |
c0a26060 | 43 | |
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44 | #include <bits/c++config.h> |
45 | #include <ios> | |
ddf1e652 | 46 | |
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47 | namespace std |
48 | { | |
49 | // Generic declaration. | |
ddf1e652 | 50 | template<typename _CharT> |
00532602 | 51 | class __basic_file; |
ddf1e652 | 52 | |
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53 | // Specialization. |
54 | template<> | |
55 | class __basic_file<char> | |
ddf1e652 | 56 | { |
00532602 | 57 | // Underlying data source/sink. |
d3a193e3 | 58 | __c_file* _M_cfile; |
51ff8149 | 59 | |
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60 | // True iff we opened _M_cfile, and thus must close it ourselves. |
61 | bool _M_cfile_created; | |
c0a26060 | 62 | |
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63 | public: |
64 | __basic_file(__c_lock* __lock = 0); | |
65 | ||
66 | void | |
67 | _M_open_mode(ios_base::openmode __mode, int& __p_mode, int& __rw_mode, | |
68 | char* __c_mode); | |
69 | ||
70 | __basic_file* | |
71 | open(const char* __name, ios_base::openmode __mode, int __prot = 0664); | |
c0a26060 | 72 | |
00532602 | 73 | __basic_file* |
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74 | sys_open(__c_file* __file, ios_base::openmode); |
75 | ||
76 | __basic_file* | |
77 | sys_open(int __fd, ios_base::openmode __mode, bool __del); | |
c0a26060 | 78 | |
d02475fd | 79 | int |
00532602 | 80 | sys_getc(); |
c0a26060 | 81 | |
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82 | int |
83 | sys_ungetc(int); | |
c0a26060 | 84 | |
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85 | __basic_file* |
86 | close(); | |
c0a26060 | 87 | |
00532602 | 88 | bool |
d3a193e3 | 89 | is_open() const; |
c0a26060 | 90 | |
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91 | int |
92 | fd(); | |
c0a26060 | 93 | |
00532602 | 94 | ~__basic_file(); |
c0a26060 | 95 | |
00532602 | 96 | streamsize |
51ff8149 | 97 | xsputn(const char* __s, streamsize __n); |
c0a26060 | 98 | |
00532602 | 99 | streamsize |
51ff8149 | 100 | xsgetn(char* __s, streamsize __n); |
c0a26060 | 101 | |
00532602 | 102 | streamoff |
51ff8149 | 103 | seekoff(streamoff __off, ios_base::seekdir __way, |
00532602 | 104 | ios_base::openmode __mode = ios_base::in | ios_base::out); |
c0a26060 | 105 | |
00532602 | 106 | streamoff |
51ff8149 | 107 | seekpos(streamoff __pos, |
00532602 | 108 | ios_base::openmode __mode = ios_base::in | ios_base::out); |
c0a26060 | 109 | |
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110 | int |
111 | sync(); | |
bbacb998 PC |
112 | |
113 | streamsize | |
51ff8149 | 114 | showmanyc(); |
00532602 | 115 | }; |
c0a26060 | 116 | } // namespace std |
00532602 | 117 | |
51ff8149 | 118 | #endif |