1// -*- C++ -*- forwarding header.
2
3// Copyright (C) 1997-2018 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)
48extern "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
96namespace 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
157namespace __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  extern "C" int
163  (vfscanf)(FILE * __restrict, const char * __restrict, __gnuc_va_list);
164  extern "C" int (vscanf)(const char * __restrict, __gnuc_va_list);
165  extern "C" int
166  (vsnprintf)(char * __restrict, std::size_t, const char * __restrict,
167	      __gnuc_va_list);
168  extern "C" int
169  (vsscanf)(const char * __restrict, const char * __restrict, __gnuc_va_list);
170#endif
171
172#if !_GLIBCXX_USE_C99_DYNAMIC
173  using ::snprintf;
174  using ::vfscanf;
175  using ::vscanf;
176  using ::vsnprintf;
177  using ::vsscanf;
178#endif
179} // namespace __gnu_cxx
180
181namespace std
182{
183  using ::__gnu_cxx::snprintf;
184  using ::__gnu_cxx::vfscanf;
185  using ::__gnu_cxx::vscanf;
186  using ::__gnu_cxx::vsnprintf;
187  using ::__gnu_cxx::vsscanf;
188} // namespace std
189
190#endif // _GLIBCXX_USE_C99_STDIO
191
192#endif
193