forked from Imagelibrary/rtems
79 lines
1.6 KiB
C
79 lines
1.6 KiB
C
/*
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* DATE Shell Command Implmentation
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*
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* OAuthor: Fernando RUIZ CASAS
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* Work: fernando.ruiz@ctv.es
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* Home: correo@fernando-ruiz.com
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*
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* Significantly rewritten by Joel Sherrill <joel.sherrill@oarcorp.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 <stdio.h>
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#include <unistd.h>
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#include <string.h>
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#include <errno.h>
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#include <rtems.h>
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#include <rtems/shell.h>
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#include "internal.h"
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static int rtems_shell_main_date(
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int argc,
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char *argv[]
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)
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{
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/*
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* Print the current date and time in default format.
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*/
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if ( argc == 1 ) {
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time_t t;
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time(&t);
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printf("%s", ctime(&t));
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return 0;
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}
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/*
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* Set the current date and time
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*/
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if ( argc == 3 ) {
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char buf[128];
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struct tm TOD;
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struct timespec timesp;
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char *result;
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snprintf( buf, sizeof(buf), "%s %s", argv[1], argv[2] );
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result = strptime(
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buf,
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"%Y-%m-%d %T",
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&TOD
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);
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if ( result && !*result ) {
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timesp.tv_sec = mktime( &TOD );
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timesp.tv_nsec = 0;
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clock_settime( CLOCK_REALTIME, ×p );
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return 0;
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}
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}
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fprintf( stderr, "%s: Usage: [YYYY-MM-DD HH:MM:SS]\n", argv[0] );
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return -1;
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}
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rtems_shell_cmd_t rtems_shell_DATE_Command = {
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"date", /* name */
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"date [YYYY-MM-DD HH:MM:SS]", /* usage */
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"misc", /* topic */
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rtems_shell_main_date, /* command */
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NULL, /* alias */
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NULL /* next */
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};
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