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/*
* MMOVE Shell Command Implmentation
*
* Author: Fernando RUIZ CASAS
* Work: fernando.ruiz@ctv.es
* Home: correo@fernando-ruiz.com
*
* 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 <ctype.h>
#include <stdio.h>
#include <string.h>
#include <rtems.h>
#include <rtems/shell.h>
#include <rtems/stringto.h>
#include "internal.h"
static int rtems_shell_main_mmove(
int argc,
char *argv[]
)
{
unsigned long tmp;
void *src;
void *dst;
size_t length;
if ( argc < 4 ) {
fprintf(stderr,"%s: too few arguments\n", argv[0]);
return -1;
}
/*
* Convert arguments into numbers
*/
if ( rtems_string_to_pointer(argv[1], &dst, NULL) ) {
printf( "Destination argument (%s) is not a number\n", argv[1] );
return -1;
}
if ( rtems_string_to_pointer(argv[2], &src, NULL) ) {
printf( "Source argument (%s) is not a number\n", argv[2] );
return -1;
}
if ( rtems_string_to_unsigned_long(argv[3], &tmp, NULL, 0) ) {
printf( "Length argument (%s) is not a number\n", argv[3] );
return -1;
}
length = (size_t) tmp;
/*
* Now copy the memory.
*/
memcpy(dst, src, length);
return 0;
}
rtems_shell_cmd_t rtems_shell_MMOVE_Command = {
"mmove", /* name */
"mmove dst src length", /* usage */
"mem", /* topic */
rtems_shell_main_mmove, /* command */
NULL, /* alias */
NULL /* next */
};
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