libstdc++
cstdio
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1 // -*- C++ -*- forwarding header.
2 
3 // Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
4 // 2006, 2007, 2008, 2009, 2010
5 // Free Software Foundation, Inc.
6 //
7 // This file is part of the GNU ISO C++ Library. This library is free
8 // software; you can redistribute it and/or modify it under the
9 // terms of the GNU General Public License as published by the
10 // Free Software Foundation; either version 3, or (at your option)
11 // any later version.
12 
13 // This library is distributed in the hope that it will be useful,
14 // but WITHOUT ANY WARRANTY; without even the implied warranty of
15 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 // GNU General Public License for more details.
17 
18 // Under Section 7 of GPL version 3, you are granted additional
19 // permissions described in the GCC Runtime Library Exception, version
20 // 3.1, as published by the Free Software Foundation.
21 
22 // You should have received a copy of the GNU General Public License and
23 // a copy of the GCC Runtime Library Exception along with this program;
24 // see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
25 // <http://www.gnu.org/licenses/>.
26 
27 /** @file include/cstdio
28  * This is a Standard C++ Library file. You should @c \#include this file
29  * in your programs, rather than any of the @a *.h implementation files.
30  *
31  * This is the C++ version of the Standard C Library header @c stdio.h,
32  * and its contents are (mostly) the same as that header, but are all
33  * contained in the namespace @c std (except for names which are defined
34  * as macros in C).
35  */
36 
37 //
38 // ISO C++ 14882: 27.8.2 C Library files
39 //
40 
41 #pragma GCC system_header
42 
43 #include <bits/c++config.h>
44 #include <stdio.h>
45 
46 #ifndef _GLIBCXX_CSTDIO
47 #define _GLIBCXX_CSTDIO 1
48 
49 // Get rid of those macros defined in <stdio.h> in lieu of real functions.
50 #undef clearerr
51 #undef fclose
52 #undef feof
53 #undef ferror
54 #undef fflush
55 #undef fgetc
56 #undef fgetpos
57 #undef fgets
58 #undef fopen
59 #undef fprintf
60 #undef fputc
61 #undef fputs
62 #undef fread
63 #undef freopen
64 #undef fscanf
65 #undef fseek
66 #undef fsetpos
67 #undef ftell
68 #undef fwrite
69 #undef getc
70 #undef getchar
71 #undef gets
72 #undef perror
73 #undef printf
74 #undef putc
75 #undef putchar
76 #undef puts
77 #undef remove
78 #undef rename
79 #undef rewind
80 #undef scanf
81 #undef setbuf
82 #undef setvbuf
83 #undef sprintf
84 #undef sscanf
85 #undef tmpfile
86 #undef tmpnam
87 #undef ungetc
88 #undef vfprintf
89 #undef vprintf
90 #undef vsprintf
91 
92 namespace std
93 {
94  using ::FILE;
95  using ::fpos_t;
96 
97  using ::clearerr;
98  using ::fclose;
99  using ::feof;
100  using ::ferror;
101  using ::fflush;
102  using ::fgetc;
103  using ::fgetpos;
104  using ::fgets;
105  using ::fopen;
106  using ::fprintf;
107  using ::fputc;
108  using ::fputs;
109  using ::fread;
110  using ::freopen;
111  using ::fscanf;
112  using ::fseek;
113  using ::fsetpos;
114  using ::ftell;
115  using ::fwrite;
116  using ::getc;
117  using ::getchar;
118  using ::gets;
119  using ::perror;
120  using ::printf;
121  using ::putc;
122  using ::putchar;
123  using ::puts;
124  using ::remove;
125  using ::rename;
126  using ::rewind;
127  using ::scanf;
128  using ::setbuf;
129  using ::setvbuf;
130  using ::sprintf;
131  using ::sscanf;
132  using ::tmpfile;
133  using ::tmpnam;
134  using ::ungetc;
135  using ::vfprintf;
136  using ::vprintf;
137  using ::vsprintf;
138 } // namespace
139 
140 #if _GLIBCXX_USE_C99
141 
142 #undef snprintf
143 #undef vfscanf
144 #undef vscanf
145 #undef vsnprintf
146 #undef vsscanf
147 
148 namespace __gnu_cxx
149 {
150 #if _GLIBCXX_USE_C99_CHECK || _GLIBCXX_USE_C99_DYNAMIC
151  extern "C" int
152  (snprintf)(char * __restrict, std::size_t, const char * __restrict, ...)
153  throw ();
154  extern "C" int
155  (vfscanf)(FILE * __restrict, const char * __restrict, __gnuc_va_list);
156  extern "C" int (vscanf)(const char * __restrict, __gnuc_va_list);
157  extern "C" int
158  (vsnprintf)(char * __restrict, std::size_t, const char * __restrict,
159  __gnuc_va_list) throw ();
160  extern "C" int
161  (vsscanf)(const char * __restrict, const char * __restrict, __gnuc_va_list)
162  throw ();
163 #endif
164 
165 #if !_GLIBCXX_USE_C99_DYNAMIC
166  using ::snprintf;
167  using ::vfscanf;
168  using ::vscanf;
169  using ::vsnprintf;
170  using ::vsscanf;
171 #endif
172 } // namespace __gnu_cxx
173 
174 namespace std
175 {
176  using ::__gnu_cxx::snprintf;
177  using ::__gnu_cxx::vfscanf;
178  using ::__gnu_cxx::vscanf;
179  using ::__gnu_cxx::vsnprintf;
180  using ::__gnu_cxx::vsscanf;
181 } // namespace std
182 
183 #endif // _GLIBCXX_USE_C99
184 
185 #endif