libstdc++
cstdio
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1 // -*- C++ -*- forwarding header.
2 
3 // Copyright (C) 1997-2017 Free Software Foundation, Inc.
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 3, 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 // Under Section 7 of GPL version 3, you are granted additional
17 // permissions described in the GCC Runtime Library Exception, version
18 // 3.1, as published by the Free Software Foundation.
19 
20 // You should have received a copy of the GNU General Public License and
21 // a copy of the GCC Runtime Library Exception along with this program;
22 // see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
23 // <http://www.gnu.org/licenses/>.
24 
25 /** @file include/cstdio
26  * This is a Standard C++ Library file. You should @c \#include this file
27  * in your programs, rather than any of the @a *.h implementation files.
28  *
29  * This is the C++ version of the Standard C Library header @c stdio.h,
30  * and its contents are (mostly) the same as that header, but are all
31  * contained in the namespace @c std (except for names which are defined
32  * as macros in C).
33  */
34 
35 //
36 // ISO C++ 14882: 27.8.2 C Library files
37 //
38 
39 #pragma GCC system_header
40 
41 #include <bits/c++config.h>
42 #include <stdio.h>
43 
44 #ifndef _GLIBCXX_CSTDIO
45 #define _GLIBCXX_CSTDIO 1
46 
47 #if __cplusplus <= 201103L && !defined(_GLIBCXX_HAVE_GETS)
48 extern "C" char* gets (char* __s) __attribute__((__deprecated__));
49 #endif
50 
51 // Get rid of those macros defined in <stdio.h> in lieu of real functions.
52 #undef clearerr
53 #undef fclose
54 #undef feof
55 #undef ferror
56 #undef fflush
57 #undef fgetc
58 #undef fgetpos
59 #undef fgets
60 #undef fopen
61 #undef fprintf
62 #undef fputc
63 #undef fputs
64 #undef fread
65 #undef freopen
66 #undef fscanf
67 #undef fseek
68 #undef fsetpos
69 #undef ftell
70 #undef fwrite
71 #undef getc
72 #undef getchar
73 #if __cplusplus <= 201103L
74 # undef gets
75 #endif
76 #undef perror
77 #undef printf
78 #undef putc
79 #undef putchar
80 #undef puts
81 #undef remove
82 #undef rename
83 #undef rewind
84 #undef scanf
85 #undef setbuf
86 #undef setvbuf
87 #undef sprintf
88 #undef sscanf
89 #undef tmpfile
90 #undef tmpnam
91 #undef ungetc
92 #undef vfprintf
93 #undef vprintf
94 #undef vsprintf
95 
96 namespace std
97 {
98  using ::FILE;
99  using ::fpos_t;
100 
101  using ::clearerr;
102  using ::fclose;
103  using ::feof;
104  using ::ferror;
105  using ::fflush;
106  using ::fgetc;
107  using ::fgetpos;
108  using ::fgets;
109  using ::fopen;
110  using ::fprintf;
111  using ::fputc;
112  using ::fputs;
113  using ::fread;
114  using ::freopen;
115  using ::fscanf;
116  using ::fseek;
117  using ::fsetpos;
118  using ::ftell;
119  using ::fwrite;
120  using ::getc;
121  using ::getchar;
122 #if __cplusplus <= 201103L
123  // LWG 2249
124  using ::gets;
125 #endif
126  using ::perror;
127  using ::printf;
128  using ::putc;
129  using ::putchar;
130  using ::puts;
131  using ::remove;
132  using ::rename;
133  using ::rewind;
134  using ::scanf;
135  using ::setbuf;
136  using ::setvbuf;
137  using ::sprintf;
138  using ::sscanf;
139  using ::tmpfile;
140 #if _GLIBCXX_USE_TMPNAM
141  using ::tmpnam;
142 #endif
143  using ::ungetc;
144  using ::vfprintf;
145  using ::vprintf;
146  using ::vsprintf;
147 } // namespace
148 
149 #if _GLIBCXX_USE_C99_STDIO
150 
151 #undef snprintf
152 #undef vfscanf
153 #undef vscanf
154 #undef vsnprintf
155 #undef vsscanf
156 
157 namespace __gnu_cxx
158 {
159 #if _GLIBCXX_USE_C99_CHECK || _GLIBCXX_USE_C99_DYNAMIC
160  extern "C" int
161  (snprintf)(char * __restrict, std::size_t, const char * __restrict, ...)
162  throw ();
163  extern "C" int
164  (vfscanf)(FILE * __restrict, const char * __restrict, __gnuc_va_list);
165  extern "C" int (vscanf)(const char * __restrict, __gnuc_va_list);
166  extern "C" int
167  (vsnprintf)(char * __restrict, std::size_t, const char * __restrict,
168  __gnuc_va_list) throw ();
169  extern "C" int
170  (vsscanf)(const char * __restrict, const char * __restrict, __gnuc_va_list)
171  throw ();
172 #endif
173 
174 #if !_GLIBCXX_USE_C99_DYNAMIC
175  using ::snprintf;
176  using ::vfscanf;
177  using ::vscanf;
178  using ::vsnprintf;
179  using ::vsscanf;
180 #endif
181 } // namespace __gnu_cxx
182 
183 namespace std
184 {
185  using ::__gnu_cxx::snprintf;
186  using ::__gnu_cxx::vfscanf;
187  using ::__gnu_cxx::vscanf;
188  using ::__gnu_cxx::vsnprintf;
189  using ::__gnu_cxx::vsscanf;
190 } // namespace std
191 
192 #endif // _GLIBCXX_USE_C99_STDIO
193 
194 #endif
ISO C++ entities toplevel namespace is std.
GNU extensions for public use.