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      1 // -*- C++ -*- forwarding header.
      2 
      3 // Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
      4 // 2006, 2007, 2008, 2009, 2010
      5 // Free Software Foundation, Inc.
      6 //
      7 // This file is part of the GNU ISO C++ Library.  This library is free
      8 // software; you can redistribute it and/or modify it under the
      9 // terms of the GNU General Public License as published by the
     10 // Free Software Foundation; either version 3, or (at your option)
     11 // any later version.
     12 
     13 // This library is distributed in the hope that it will be useful,
     14 // but WITHOUT ANY WARRANTY; without even the implied warranty of
     15 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
     16 // GNU General Public License for more details.
     17 
     18 // Under Section 7 of GPL version 3, you are granted additional
     19 // permissions described in the GCC Runtime Library Exception, version
     20 // 3.1, as published by the Free Software Foundation.
     21 
     22 // You should have received a copy of the GNU General Public License and
     23 // a copy of the GCC Runtime Library Exception along with this program;
     24 // see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
     25 // <http://www.gnu.org/licenses/>.
     26 
     27 /** @file include/cstdio
     28  *  This is a Standard C++ Library file.  You should @c \#include this file
     29  *  in your programs, rather than any of the @a *.h implementation files.
     30  *
     31  *  This is the C++ version of the Standard C Library header @c stdio.h,
     32  *  and its contents are (mostly) the same as that header, but are all
     33  *  contained in the namespace @c std (except for names which are defined
     34  *  as macros in C).
     35  */
     36 
     37 //
     38 // ISO C++ 14882: 27.8.2  C Library files
     39 //
     40 
     41 #pragma GCC system_header
     42 
     43 #include <bits/c++config.h>
     44 #include <stdio.h>
     45 
     46 #ifndef _GLIBCXX_CSTDIO
     47 #define _GLIBCXX_CSTDIO 1
     48 
     49 // Get rid of those macros defined in <stdio.h> in lieu of real functions.
     50 #undef clearerr
     51 #undef fclose
     52 #undef feof
     53 #undef ferror
     54 #undef fflush
     55 #undef fgetc
     56 #undef fgetpos
     57 #undef fgets
     58 #undef fopen
     59 #undef fprintf
     60 #undef fputc
     61 #undef fputs
     62 #undef fread
     63 #undef freopen
     64 #undef fscanf
     65 #undef fseek
     66 #undef fsetpos
     67 #undef ftell
     68 #undef fwrite
     69 #undef getc
     70 #undef getchar
     71 #undef gets
     72 #undef perror
     73 #undef printf
     74 #undef putc
     75 #undef putchar
     76 #undef puts
     77 #undef remove
     78 #undef rename
     79 #undef rewind
     80 #undef scanf
     81 #undef setbuf
     82 #undef setvbuf
     83 #undef sprintf
     84 #undef sscanf
     85 #undef tmpfile
     86 #undef tmpnam
     87 #undef ungetc
     88 #undef vfprintf
     89 #undef vprintf
     90 #undef vsprintf
     91 
     92 namespace std
     93 {
     94   using ::FILE;
     95   using ::fpos_t;
     96 
     97   using ::clearerr;
     98   using ::fclose;
     99   using ::feof;
    100   using ::ferror;
    101   using ::fflush;
    102   using ::fgetc;
    103   using ::fgetpos;
    104   using ::fgets;
    105   using ::fopen;
    106   using ::fprintf;
    107   using ::fputc;
    108   using ::fputs;
    109   using ::fread;
    110   using ::freopen;
    111   using ::fscanf;
    112   using ::fseek;
    113   using ::fsetpos;
    114   using ::ftell;
    115   using ::fwrite;
    116   using ::getc;
    117   using ::getchar;
    118   using ::gets;
    119   using ::perror;
    120   using ::printf;
    121   using ::putc;
    122   using ::putchar;
    123   using ::puts;
    124   using ::remove;
    125   using ::rename;
    126   using ::rewind;
    127   using ::scanf;
    128   using ::setbuf;
    129   using ::setvbuf;
    130   using ::sprintf;
    131   using ::sscanf;
    132   using ::tmpfile;
    133   using ::tmpnam;
    134   using ::ungetc;
    135   using ::vfprintf;
    136   using ::vprintf;
    137   using ::vsprintf;
    138 } // namespace
    139 
    140 #if _GLIBCXX_USE_C99
    141 
    142 #undef snprintf
    143 #undef vfscanf
    144 #undef vscanf
    145 #undef vsnprintf
    146 #undef vsscanf
    147 
    148 namespace __gnu_cxx
    149 {
    150 #if _GLIBCXX_USE_C99_CHECK || _GLIBCXX_USE_C99_DYNAMIC
    151   extern "C" int
    152   (snprintf)(char * __restrict, std::size_t, const char * __restrict, ...)
    153   throw ();
    154   extern "C" int
    155   (vfscanf)(FILE * __restrict, const char * __restrict, __gnuc_va_list);
    156   extern "C" int (vscanf)(const char * __restrict, __gnuc_va_list);
    157   extern "C" int
    158   (vsnprintf)(char * __restrict, std::size_t, const char * __restrict,
    159 	      __gnuc_va_list) throw ();
    160   extern "C" int
    161   (vsscanf)(const char * __restrict, const char * __restrict, __gnuc_va_list)
    162   throw ();
    163 #endif
    164 
    165 #if !_GLIBCXX_USE_C99_DYNAMIC
    166   using ::snprintf;
    167   using ::vfscanf;
    168   using ::vscanf;
    169   using ::vsnprintf;
    170   using ::vsscanf;
    171 #endif
    172 } // namespace __gnu_cxx
    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 } // namespace std
    182 
    183 #endif // _GLIBCXX_USE_C99
    184 
    185 #endif
    186