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libsystem_file_io.h
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libsystem_file_io.h
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/*
* File IO functions
*
* Copyright (c) 2006-2009, Joachim Metz <forensics@hoffmannbv.nl>,
* Hoffmann Investigations.
*
* Refer to AUTHORS for acknowledgements.
*
* This software is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This software is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this software. If not, see <http://www.gnu.org/licenses/>.
*/
#if !defined( _LIBSYSTEM_FILE_IO_H )
#define _LIBSYSTEM_FILE_IO_H
#include <common.h>
#include <types.h>
#if defined( HAVE_SYS_STAT_H ) || defined( WINAPI )
#include <sys/stat.h>
#endif
#if defined( HAVE_FCNTL_H ) || defined( WINAPI )
#include <fcntl.h>
#endif
#if defined( WINAPI )
#include <io.h>
#elif defined( HAVE_UNISTD_H )
#include <unistd.h>
#endif
#if defined( __cplusplus )
extern "C" {
#endif
#if defined( WINAPI )
#define LIBSYSTEM_FILE_IO_O_CREAT _O_CREAT
#define LIBSYSTEM_FILE_IO_O_RDONLY _O_RDONLY
#define LIBSYSTEM_FILE_IO_O_RDWR _O_RDWR
#define LIBSYSTEM_FILE_IO_O_WRONLY _O_WRONLY
#define LIBSYSTEM_FILE_IO_O_TRUNC _O_TRUNC
#else
#define LIBSYSTEM_FILE_IO_O_CREAT O_CREAT
#define LIBSYSTEM_FILE_IO_O_RDONLY O_RDONLY
#define LIBSYSTEM_FILE_IO_O_RDWR O_RDWR
#define LIBSYSTEM_FILE_IO_O_WRONLY O_WRONLY
#define LIBSYSTEM_FILE_IO_O_TRUNC O_TRUNC
#endif
#if defined( WINAPI )
#define libsystem_file_io_open( filename, flags ) \
_open( filename, flags )
#elif defined( HAVE_OPEN )
#define libsystem_file_io_open( filename, flags ) \
open( filename, flags, 0644 )
#endif
#if defined( WINAPI )
#define libsystem_file_io_wopen( filename, flags ) \
_wopen( filename, flags )
#endif
#if defined( WINAPI )
#define libsystem_file_io_read( file_descriptor, buffer, size ) \
_read( file_descriptor, (void *) buffer, (unsigned int) size )
#elif defined( HAVE_READ )
#define libsystem_file_io_read( file_descriptor, buffer, size ) \
read( file_descriptor, (void *) buffer, size )
#endif
#if defined( WINAPI )
#define libsystem_file_io_lseek( file_descriptor, offset, whence ) \
_lseeki64( file_descriptor, offset, whence )
#elif defined( HAVE_LSEEK )
#define libsystem_file_io_lseek( file_descriptor, offset, whence ) \
lseek( file_descriptor, offset, whence )
#endif
#if defined( WINAPI )
#define libsystem_file_io_write( file_descriptor, buffer, size ) \
_write( file_descriptor, (const void *) buffer, (unsigned int) size )
#elif defined( HAVE_WRITE )
#define libsystem_file_io_write( file_descriptor, buffer, size ) \
write( file_descriptor, (const void *) buffer, size )
#endif
#if defined( WINAPI )
#define libsystem_file_io_close( file_descriptor ) \
_close( file_descriptor )
#elif defined( HAVE_CLOSE )
#define libsystem_file_io_close( file_descriptor ) \
close( file_descriptor )
#endif
#if defined( __cplusplus )
}
#endif
#endif

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libsystem_file_io.h (3 KB)

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