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

   1 // -*- C++ -*- forwarding header.
   2
   3 // Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005
   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, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
  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 (except for names which are defined
  42  *  as macros in C).
  43  */
  44
  45 #ifndef _GLIBCXX_CSTDIO
  46 #define _GLIBCXX_CSTDIO 1
  47
  48 #pragma GCC system_header
  49
  50 #include <bits/c++config.h>
  51 #include <cstddef>
  52
  53 #include <stdio.h>
  54
  55 // Get rid of those macros defined in <stdio.h> in lieu of real functions.
  56 #undef clearerr
  57 #undef fclose
  58 #undef feof
  59 #undef ferror
  60 #undef fflush
  61 #undef fgetc
  62 #undef fgetpos
  63 #undef fgets
  64 #undef fopen
  65 #undef fprintf
  66 #undef fputc
  67 #undef fputs
  68 #undef fread
  69 #undef freopen
  70 #undef fscanf
  71 #undef fseek
  72 #undef fsetpos
  73 #undef ftell
  74 #undef fwrite
  75 #undef getc
  76 #undef getchar
  77 #undef gets
  78 #undef perror
  79 #undef printf
  80 #undef putc
  81 #undef putchar
  82 #undef puts
  83 #undef remove
  84 #undef rename
  85 #undef rewind
  86 #undef scanf
  87 #undef setbuf
  88 #undef setvbuf
  89 #undef sprintf
  90 #undef sscanf
  91 #undef tmpfile
  92 #undef tmpnam
  93 #undef ungetc
  94 #undef vfprintf
  95 #undef vprintf
  96 #undef vsprintf
  97
  98 _GLIBCXX_BEGIN_NAMESPACE(std)
  99
 100   using ::FILE;
 101   using ::fpos_t;
 102
 103   using ::clearerr;
 104   using ::fclose;
 105   using ::feof;
 106   using ::ferror;
 107   using ::fflush;
 108   using ::fgetc;
 109   using ::fgetpos;
 110   using ::fgets;
 111   using ::fopen;
 112   using ::fprintf;
 113   using ::fputc;
 114   using ::fputs;
 115   using ::fread;
 116   using ::freopen;
 117   using ::fscanf;
 118   using ::fseek;
 119   using ::fsetpos;
 120   using ::ftell;
 121   using ::fwrite;
 122   using ::getc;
 123   using ::getchar;
 124   using ::gets;
 125   using ::perror;
 126   using ::printf;
 127   using ::putc;
 128   using ::putchar;
 129   using ::puts;
 130   using ::remove;
 131   using ::rename;
 132   using ::rewind;
 133   using ::scanf;
 134   using ::setbuf;
 135   using ::setvbuf;
 136   using ::sprintf;
 137   using ::sscanf;
 138   using ::tmpfile;
 139   using ::tmpnam;
 140   using ::ungetc;
 141   using ::vfprintf;
 142   using ::vprintf;
 143   using ::vsprintf;
 144
 145 _GLIBCXX_END_NAMESPACE
 146
 147 #if _GLIBCXX_USE_C99
 148
 149 #undef snprintf
 150 #undef vfscanf
 151 #undef vscanf
 152 #undef vsnprintf
 153 #undef vsscanf
 154
 155 _GLIBCXX_BEGIN_NAMESPACE(__gnu_cxx)
 156
 157 #if _GLIBCXX_USE_C99_CHECK || _GLIBCXX_USE_C99_DYNAMIC
 158   extern "C" int
 159   (snprintf)(char * restrict, size_t, const char * restrict, ...);
 160   extern "C" int
 161   (vfscanf)(FILE * restrict, const char * restrict, __gnuc_va_list);
 162   extern "C" int (vscanf)(const char * restrict, __gnuc_va_list);
 163   extern "C" int
 164   (vsnprintf)(char * restrict, size_t, const char * restrict, __gnuc_va_list);
 165   extern "C" int
 166   (vsscanf)(const char * restrict, const char * restrict, __gnuc_va_list);
 167 #endif
 168
 169 #if !_GLIBCXX_USE_C99_DYNAMIC
 170   using ::snprintf;
 171   using ::vfscanf;
 172   using ::vscanf;
 173   using ::vsnprintf;
 174   using ::vsscanf;
 175 #endif
 176
 177 _GLIBCXX_END_NAMESPACE
 178
 179 _GLIBCXX_BEGIN_NAMESPACE(std)
 180
 181   using ::__gnu_cxx::snprintf;
 182   using ::__gnu_cxx::vfscanf;
 183   using ::__gnu_cxx::vscanf;
 184   using ::__gnu_cxx::vsnprintf;
 185   using ::__gnu_cxx::vsscanf;
 186
 187 _GLIBCXX_END_NAMESPACE
 188
 189 #endif
 190
 191 #endif