libstdc++-v3/include/c_global/cstdio

   1 // -*- C++ -*- forwarding header.
   2
   3 // Copyright (C) 1997-2020 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