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      1 // -*- C++ -*- forwarding header.
      2 
      3 // Copyright (C) 1997-2014 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 #ifndef _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
    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
    193 
    194 #endif
    195