forked from Imagelibrary/rtems
78 lines
1.7 KiB
C
78 lines
1.7 KiB
C
/**
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* @file
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*
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* @brief MMOVE Shell Command Implmentation
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*/
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/*
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* Copyright (c) 2001 Fernando Ruiz Casas <fruizcasas@gmail.com>
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*
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* The license and distribution terms for this file may be
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* found in the file LICENSE in this distribution or at
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* http://www.rtems.org/license/LICENSE.
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*/
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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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#include <ctype.h>
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#include <stdio.h>
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#include <string.h>
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#include <rtems.h>
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#include <rtems/shell.h>
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#include <rtems/stringto.h>
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#include "internal.h"
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static int rtems_shell_main_mmove(
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int argc,
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char *argv[]
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)
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{
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unsigned long tmp;
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void *src;
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void *dst;
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size_t length;
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if ( argc < 4 ) {
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fprintf(stderr,"%s: too few arguments\n", argv[0]);
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return -1;
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}
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/*
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* Convert arguments into numbers
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*/
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if ( rtems_string_to_pointer(argv[1], &dst, NULL) ) {
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printf( "Destination argument (%s) is not a number\n", argv[1] );
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return -1;
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}
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if ( rtems_string_to_pointer(argv[2], &src, NULL) ) {
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printf( "Source argument (%s) is not a number\n", argv[2] );
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return -1;
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}
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if ( rtems_string_to_unsigned_long(argv[3], &tmp, NULL, 0) ) {
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printf( "Length argument (%s) is not a number\n", argv[3] );
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return -1;
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}
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length = (size_t) tmp;
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/*
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* Now copy the memory.
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*/
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memcpy(dst, src, length);
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return 0;
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}
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rtems_shell_cmd_t rtems_shell_MMOVE_Command = {
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"mmove", /* name */
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"mmove dst src length", /* usage */
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"mem", /* topic */
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rtems_shell_main_mmove, /* command */
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NULL, /* alias */
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NULL /* next */
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};
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