xref: /openbsd-src/gnu/lib/libstdc++/libstdc++/include/c_std/std_cstdio.h (revision be691f3bb6417f04a68938fadbcaee2d5795e764)
1 // -*- C++ -*- forwarding header.
2 
3 // Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002, 2003
4 // Free Software Foundation, Inc.
5 //
6 // This file is part of the GNU ISO C++ Library.  This library is free
7 // software; you can redistribute it and/or modify it under the
8 // terms of the GNU General Public License as published by the
9 // Free Software Foundation; either version 2, or (at your option)
10 // any later version.
11 
12 // This library is distributed in the hope that it will be useful,
13 // but WITHOUT ANY WARRANTY; without even the implied warranty of
14 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
15 // GNU General Public License for more details.
16 
17 // You should have received a copy of the GNU General Public License along
18 // with this library; see the file COPYING.  If not, write to the Free
19 // Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307,
20 // USA.
21 
22 // As a special exception, you may use this file as part of a free software
23 // library without restriction.  Specifically, if other files instantiate
24 // templates or use macros or inline functions from this file, or you compile
25 // this file and link it with other files to produce an executable, this
26 // file does not by itself cause the resulting executable to be covered by
27 // the GNU General Public License.  This exception does not however
28 // invalidate any other reasons why the executable file might be covered by
29 // the GNU General Public License.
30 
31 //
32 // ISO C++ 14882: 27.8.2  C Library files
33 //
34 
35 /** @file cstdio
36  *  This is a Standard C++ Library file.  You should @c #include this file
37  *  in your programs, rather than any of the "*.h" implementation files.
38  *
39  *  This is the C++ version of the Standard C Library header @c stdio.h,
40  *  and its contents are (mostly) the same as that header, but are all
41  *  contained in the namespace @c std.
42  */
43 
44 #ifndef _CPP_CSTDIO
45 #define _CPP_CSTDIO 1
46 
47 #pragma GCC system_header
48 
49 #include <bits/c++config.h>
50 #include <cstddef>
51 
52 #include <stdio.h>
53 
54 // Get rid of those macros defined in <stdio.h> in lieu of real functions.
55 #undef clearerr
56 #undef fclose
57 #undef feof
58 #undef ferror
59 #undef fflush
60 #undef fgetc
61 #undef fgetpos
62 #undef fgets
63 #undef fopen
64 #undef fprintf
65 #undef fputc
66 #undef fputs
67 #undef fread
68 #undef freopen
69 #undef fscanf
70 #undef fseek
71 #undef fsetpos
72 #undef ftell
73 #undef fwrite
74 #undef getc
75 #undef getchar
76 #undef gets
77 #undef perror
78 #undef printf
79 #undef putc
80 #undef putchar
81 #undef puts
82 #undef remove
83 #undef rename
84 #undef rewind
85 #undef scanf
86 #undef setbuf
87 #undef setvbuf
88 #undef sprintf
89 #undef sscanf
90 #undef tmpfile
91 #undef tmpnam
92 #undef ungetc
93 #undef vfprintf
94 #undef vprintf
95 #undef vsprintf
96 
97 namespace std
98 {
99   using ::FILE;
100   using ::fpos_t;
101 
102   using ::clearerr;
103   using ::fclose;
104   using ::feof;
105   using ::ferror;
106   using ::fflush;
107   using ::fgetc;
108   using ::fgetpos;
109   using ::fgets;
110   using ::fopen;
111   using ::fprintf;
112   using ::fputc;
113   using ::fputs;
114   using ::fread;
115   using ::freopen;
116   using ::fscanf;
117   using ::fseek;
118   using ::fsetpos;
119   using ::ftell;
120   using ::fwrite;
121   using ::getc;
122   using ::getchar;
123   using ::perror;
124   using ::printf;
125   using ::putc;
126   using ::putchar;
127   using ::puts;
128   using ::remove;
129   using ::rename;
130   using ::rewind;
131   using ::scanf;
132   using ::setbuf;
133   using ::setvbuf;
134   using ::sprintf;
135   using ::sscanf;
136   using ::tmpfile;
137   using ::tmpnam;
138   using ::ungetc;
139   using ::vfprintf;
140   using ::vprintf;
141   using ::vsprintf;
142 }
143 
144 #if defined(_GLIBCPP_USE_C99) || defined(_GLIBCPP_USE_C99_SNPRINTF)
145 
146 #undef snprintf
147 #undef vfscanf
148 #undef vscanf
149 #undef vsnprintf
150 #undef vsscanf
151 
152 namespace __gnu_cxx
153 {
154 #if defined(_GLIBCPP_USE_C99_CHECK) || defined(_GLIBCPP_USE_C99_DYNAMIC)
155   extern "C" int
156     (snprintf)(char * restrict, size_t, const char * restrict, ...);
157   extern "C" int
158    (vfscanf)(FILE * restrict, const char * restrict, __gnuc_va_list);
159   extern "C" int (vscanf)(const char * restrict, __gnuc_va_list);
160   extern "C" int
161     (vsnprintf)(char * restrict, size_t, const char * restrict, __gnuc_va_list);
162   extern "C" int
163     (vsscanf)(const char * restrict, const char * restrict, __gnuc_va_list);
164 #endif
165 #if !defined(_GLIBCPP_USE_C99_DYNAMIC)
166   using ::snprintf;
167   using ::vfscanf;
168   using ::vscanf;
169   using ::vsnprintf;
170   using ::vsscanf;
171 #endif
172 }
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 }
182 #endif
183 
184 #endif
185