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      1 // -*- C++ -*- forwarding header.
      2 
      3 // Copyright (C) 1997-2013 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 gets
     73 #undef perror
     74 #undef printf
     75 #undef putc
     76 #undef putchar
     77 #undef puts
     78 #undef remove
     79 #undef rename
     80 #undef rewind
     81 #undef scanf
     82 #undef setbuf
     83 #undef setvbuf
     84 #undef sprintf
     85 #undef sscanf
     86 #undef tmpfile
     87 #undef tmpnam
     88 #undef ungetc
     89 #undef vfprintf
     90 #undef vprintf
     91 #undef vsprintf
     92 
     93 namespace std
     94 {
     95   using ::FILE;
     96   using ::fpos_t;
     97 
     98   using ::clearerr;
     99   using ::fclose;
    100   using ::feof;
    101   using ::ferror;
    102   using ::fflush;
    103   using ::fgetc;
    104   using ::fgetpos;
    105   using ::fgets;
    106   using ::fopen;
    107   using ::fprintf;
    108   using ::fputc;
    109   using ::fputs;
    110   using ::fread;
    111   using ::freopen;
    112   using ::fscanf;
    113   using ::fseek;
    114   using ::fsetpos;
    115   using ::ftell;
    116   using ::fwrite;
    117   using ::getc;
    118   using ::getchar;
    119   using ::gets;
    120   using ::perror;
    121   using ::printf;
    122   using ::putc;
    123   using ::putchar;
    124   using ::puts;
    125   using ::remove;
    126   using ::rename;
    127   using ::rewind;
    128   using ::scanf;
    129   using ::setbuf;
    130   using ::setvbuf;
    131   using ::sprintf;
    132   using ::sscanf;
    133   using ::tmpfile;
    134   using ::tmpnam;
    135   using ::ungetc;
    136   using ::vfprintf;
    137   using ::vprintf;
    138   using ::vsprintf;
    139 } // namespace
    140 
    141 #if _GLIBCXX_USE_C99
    142 
    143 #undef snprintf
    144 #undef vfscanf
    145 #undef vscanf
    146 #undef vsnprintf
    147 #undef vsscanf
    148 
    149 namespace __gnu_cxx
    150 {
    151 #if _GLIBCXX_USE_C99_CHECK || _GLIBCXX_USE_C99_DYNAMIC
    152   extern "C" int
    153   (snprintf)(char * __restrict, std::size_t, const char * __restrict, ...)
    154   throw ();
    155   extern "C" int
    156   (vfscanf)(FILE * __restrict, const char * __restrict, __gnuc_va_list);
    157   extern "C" int (vscanf)(const char * __restrict, __gnuc_va_list);
    158   extern "C" int
    159   (vsnprintf)(char * __restrict, std::size_t, const char * __restrict,
    160 	      __gnuc_va_list) throw ();
    161   extern "C" int
    162   (vsscanf)(const char * __restrict, const char * __restrict, __gnuc_va_list)
    163   throw ();
    164 #endif
    165 
    166 #if !_GLIBCXX_USE_C99_DYNAMIC
    167   using ::snprintf;
    168   using ::vfscanf;
    169   using ::vscanf;
    170   using ::vsnprintf;
    171   using ::vsscanf;
    172 #endif
    173 } // namespace __gnu_cxx
    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 } // namespace std
    183 
    184 #endif // _GLIBCXX_USE_C99
    185 
    186 #endif
    187