LCOV - code coverage report
Current view: top level - gltests - binary-io.h (source / functions) Hit Total Coverage
Test: GNU Libidn Lines: 2 2 100.0 %
Date: 2014-08-10 Functions: 1 1 100.0 %
Legend: Lines: hit not hit | Branches: + taken - not taken # not executed Branches: 0 0 -

           Branch data     Line data    Source code
       1                 :            : /* Binary mode I/O.
       2                 :            :    Copyright (C) 2001, 2003, 2005, 2008-2014 Free Software Foundation, Inc.
       3                 :            : 
       4                 :            :    This program is free software: you can redistribute it and/or modify
       5                 :            :    it under the terms of the GNU General Public License as published by
       6                 :            :    the Free Software Foundation; either version 3 of the License, or
       7                 :            :    (at your option) any later version.
       8                 :            : 
       9                 :            :    This program is distributed in the hope that it will be useful,
      10                 :            :    but WITHOUT ANY WARRANTY; without even the implied warranty of
      11                 :            :    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
      12                 :            :    GNU General Public License for more details.
      13                 :            : 
      14                 :            :    You should have received a copy of the GNU General Public License
      15                 :            :    along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
      16                 :            : 
      17                 :            : #ifndef _BINARY_H
      18                 :            : #define _BINARY_H
      19                 :            : 
      20                 :            : /* For systems that distinguish between text and binary I/O.
      21                 :            :    O_BINARY is guaranteed by the gnulib <fcntl.h>. */
      22                 :            : #include <fcntl.h>
      23                 :            : 
      24                 :            : /* The MSVC7 <stdio.h> doesn't like to be included after '#define fileno ...',
      25                 :            :    so we include it here first.  */
      26                 :            : #include <stdio.h>
      27                 :            : 
      28                 :            : #ifndef _GL_INLINE_HEADER_BEGIN
      29                 :            :  #error "Please include config.h first."
      30                 :            : #endif
      31                 :            : _GL_INLINE_HEADER_BEGIN
      32                 :            : #ifndef BINARY_IO_INLINE
      33                 :            : # define BINARY_IO_INLINE _GL_INLINE
      34                 :            : #endif
      35                 :            : 
      36                 :            : /* set_binary_mode (fd, mode)
      37                 :            :    sets the binary/text I/O mode of file descriptor fd to the given mode
      38                 :            :    (must be O_BINARY or O_TEXT) and returns the previous mode.  */
      39                 :            : #if O_BINARY
      40                 :            : # if defined __EMX__ || defined __DJGPP__ || defined __CYGWIN__
      41                 :            : #  include <io.h> /* declares setmode() */
      42                 :            : #  define set_binary_mode setmode
      43                 :            : # else
      44                 :            : #  define set_binary_mode _setmode
      45                 :            : #  undef fileno
      46                 :            : #  define fileno _fileno
      47                 :            : # endif
      48                 :            : #else
      49                 :            :   /* On reasonable systems, binary I/O is the only choice.  */
      50                 :            :   /* Use a function rather than a macro, to avoid gcc warnings
      51                 :            :      "warning: statement with no effect".  */
      52                 :            : BINARY_IO_INLINE int
      53                 :          2 : set_binary_mode (int fd, int mode)
      54                 :            : {
      55                 :            :   (void) fd;
      56                 :            :   (void) mode;
      57                 :          2 :   return O_BINARY;
      58                 :            : }
      59                 :            : #endif
      60                 :            : 
      61                 :            : /* SET_BINARY (fd);
      62                 :            :    changes the file descriptor fd to perform binary I/O.  */
      63                 :            : #ifdef __DJGPP__
      64                 :            : # include <unistd.h> /* declares isatty() */
      65                 :            :   /* Avoid putting stdin/stdout in binary mode if it is connected to
      66                 :            :      the console, because that would make it impossible for the user
      67                 :            :      to interrupt the program through Ctrl-C or Ctrl-Break.  */
      68                 :            : # define SET_BINARY(fd) ((void) (!isatty (fd) ? (set_binary_mode (fd, O_BINARY), 0) : 0))
      69                 :            : #else
      70                 :            : # define SET_BINARY(fd) ((void) set_binary_mode (fd, O_BINARY))
      71                 :            : #endif
      72                 :            : 
      73                 :            : _GL_INLINE_HEADER_END
      74                 :            : 
      75                 :            : #endif /* _BINARY_H */

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