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/**
* @file
*
* @brief Truncate a File to the Specified Length
* @ingroup libcsupport
*/
/*
* COPYRIGHT (c) 1989-1999.
* On-Line Applications Research Corporation (OAR).
*
* The license and distribution terms for this file may be
* found in the file LICENSE in this distribution or at
* http://www.rtems.org/license/LICENSE.
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <unistd.h>
#include <errno.h>
#include <fcntl.h>
/**
* This routine is not defined in the POSIX 1003.1b standard but is
* commonly supported on most UNIX and POSIX systems. It is provided
* for compatibility.
*/
int truncate(
const char *path,
off_t length
)
{
int status;
int fd;
fd = open( path, O_WRONLY );
if ( fd == -1 )
return -1;
status = ftruncate( fd, length );
(void) close( fd );
return status;
}
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