libstdc++-v3/include/c_std/std_cstdio.h

   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 _GLIBCXX_CSTDIO
  45 #define _GLIBCXX_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 ::gets;
 124   using ::perror;
 125   using ::printf;
 126   using ::putc;
 127   using ::putchar;
 128   using ::puts;
 129   using ::remove;
 130   using ::rename;
 131   using ::rewind;
 132   using ::scanf;
 133   using ::setbuf;
 134   using ::setvbuf;
 135   using ::sprintf;
 136   using ::sscanf;
 137   using ::tmpfile;
 138   using ::tmpnam;
 139   using ::ungetc;
 140   using ::vfprintf;
 141   using ::vprintf;
 142   using ::vsprintf;
 143 }
 144
 145 #if _GLIBCXX_USE_C99
 146
 147 #undef snprintf
 148 #undef vfscanf
 149 #undef vscanf
 150 #undef vsnprintf
 151 #undef vsscanf
 152
 153 namespace __gnu_cxx
 154 {
 155 #if _GLIBCXX_USE_C99_CHECK || _GLIBCXX_USE_C99_DYNAMIC
 156   extern "C" int
 157     (snprintf)(char * restrict, size_t, const char * restrict, ...);
 158   extern "C" int
 159     (vfscanf)(FILE * restrict, const char * restrict, __gnuc_va_list);
 160   extern "C" int (vscanf)(const char * restrict, __gnuc_va_list);
 161   extern "C" int
 162     (vsnprintf)(char * restrict, size_t, const char * restrict, __gnuc_va_list);
 163   extern "C" int
 164     (vsscanf)(const char * restrict, const char * restrict, __gnuc_va_list);
 165 #endif
 166 #if !_GLIBCXX_USE_C99_DYNAMIC
 167   using ::snprintf;
 168   using ::vfscanf;
 169   using ::vscanf;
 170   using ::vsnprintf;
 171   using ::vsscanf;
 172 #endif
 173 }
 174
 175 namespace std
 176 {
 177   using __gnu_cxx::snprintf;
 178   using __gnu_cxx::vfscanf;
 179   using __gnu_cxx::vscanf;
 180   using __gnu_cxx::vsnprintf;
 181   using __gnu_cxx::vsscanf;
 182 }
 183 #endif
 184
 185 #endif