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/*
* A test support function which performs a write() and
* handles implied open(), lseek(), write(), and close() operations.
*
* COPYRIGHT (c) 1989-2009.
* 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.com/license/LICENSE.
*
* $Id$
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <stdio.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <unistd.h>
#include <errno.h>
#include <string.h>
#include <pmacros.h>
/*
* test_write routine
*/
void test_write(
char *file,
off_t offset,
char *buffer
)
{
int fd;
int status;
int length;
length = strlen( buffer );
fd = open( file, O_WRONLY );
if ( fd == -1 ) {
printf( "test_write: open( %s ) failed : %s\n", file, strerror( errno ) );
rtems_test_exit( 0 );
}
status = lseek( fd, offset, SEEK_SET );
rtems_test_assert( status != -1 );
status = write( fd, buffer, length );
if ( status == -1 ) {
printf( "test_write: write( %s ) failed : %s\n", file, strerror( errno ) );
rtems_test_exit( 0 );
}
if ( status != length ) {
printf( "test_write: write( %s ) only wrote %d of %d bytes\n",
file, status, length );
rtems_test_exit( 0 );
}
status = close( fd );
rtems_test_assert( !status );
}
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