| Absolute File Name: | /home/opencoverage/opencoverage/guest-scripts/coreutils/src/gnulib/lib/binary-io.h |
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| 1 | /* Binary mode I/O. | - |
| 2 | Copyright (C) 2001, 2003, 2005, 2008-2018 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 <https://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 | #if O_BINARY | - |
| 37 | # if defined __EMX__ || defined __DJGPP__ || defined __CYGWIN__ | - |
| 38 | # include <io.h> /* declares setmode() */ | - |
| 39 | # define __gl_setmode setmode | - |
| 40 | # else | - |
| 41 | # define __gl_setmode _setmode | - |
| 42 | # undef fileno | - |
| 43 | # define fileno _fileno | - |
| 44 | # endif | - |
| 45 | #else | - |
| 46 | /* On reasonable systems, binary I/O is the only choice. */ | - |
| 47 | /* Use a function rather than a macro, to avoid gcc warnings | - |
| 48 | "warning: statement with no effect". */ | - |
| 49 | BINARY_IO_INLINE int | - |
| 50 | __gl_setmode (int fd _GL_UNUSED, int mode _GL_UNUSED) | - |
| 51 | { | - |
| 52 | return O_BINARY; executed 16507 times by 13 tests: return 0 ;Executed by:
| 16507 |
| 53 | } | - |
| 54 | #endif | - |
| 55 | - | |
| 56 | #if defined __DJGPP__ || defined __EMX__ | - |
| 57 | extern int __gl_setmode_check (int); | - |
| 58 | #else | - |
| 59 | BINARY_IO_INLINE int | - |
| 60 | __gl_setmode_check (int fd _GL_UNUSED) { return 0; } executed 16507 times by 13 tests: return 0;Executed by:
| 16507 |
| 61 | #endif | - |
| 62 | - | |
| 63 | /* Set FD's mode to MODE, which should be either O_TEXT or O_BINARY. | - |
| 64 | Return the old mode if successful, -1 (setting errno) on failure. | - |
| 65 | Ordinarily this function would be called 'setmode', since that is | - |
| 66 | its name on MS-Windows, but it is called 'set_binary_mode' here | - |
| 67 | to avoid colliding with a BSD function of another name. */ | - |
| 68 | - | |
| 69 | BINARY_IO_INLINE int | - |
| 70 | set_binary_mode (int fd, int mode) | - |
| 71 | { | - |
| 72 | int r = __gl_setmode_check (fd); | - |
| 73 | return r != 0 ? r : __gl_setmode (fd, mode); executed 16507 times by 13 tests: return r != 0 ? r : __gl_setmode (fd, mode);Executed by:
| 16507 |
| 74 | } | - |
| 75 | - | |
| 76 | /* This macro is obsolescent. */ | - |
| 77 | #define SET_BINARY(fd) ((void) set_binary_mode (fd, O_BINARY)) | - |
| 78 | - | |
| 79 | _GL_INLINE_HEADER_END | - |
| 80 | - | |
| 81 | #endif /* _BINARY_H */ | - |
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