1// -*- C++ -*- forwarding header. 
2 
3// Copyright (C) 1997-2019 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 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 
183namespace 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 
195