Files
rtems/cpukit/libmisc/shell/main_date.c
Joel Sherrill f519633d0d cpukit/.../shell: Address missing field initializer warnings
Address missing field initializer warnings.

These were all rtems_shell_cmd_t or rtems_shell_alias_t declarations
with initialization.  The initialization was changed to using named
fields.

Updates #5325.
2025-10-14 14:23:59 -05:00

102 lines
2.7 KiB
C

/* SPDX-License-Identifier: BSD-2-Clause */
/**
* @file
*
* @brief DATE Shell Command Implementation
*/
/*
* Copyright (C) 2001 Fernando Ruiz Casas <fruizcasas@gmail.com>
* Copyright (C) 2008 Joel Sherrill <joel.sherrill@oarcorp.com>.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
#define _XOPEN_SOURCE
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <stdio.h>
#include <unistd.h>
#include <string.h>
#include <errno.h>
#include <time.h>
#include <rtems.h>
#include <rtems/shell.h>
#include "internal.h"
static int rtems_shell_main_date(
int argc,
char *argv[]
)
{
/*
* Print the current date and time in default format.
*/
if ( argc == 1 ) {
time_t t;
time(&t);
printf("%s", ctime(&t));
return 0;
}
/*
* Set the current date and time
*/
if ( argc == 3 ) {
char buf[128];
struct tm TOD;
struct timespec timesp;
char *result;
snprintf( buf, sizeof(buf), "%s %s", argv[1], argv[2] );
result = strptime(
buf,
"%Y-%m-%d %T",
&TOD
);
if ( result && !*result ) {
timesp.tv_sec = mktime( &TOD );
timesp.tv_nsec = 0;
clock_settime( CLOCK_REALTIME, &timesp );
return 0;
}
}
fprintf( stderr, "%s: Usage: [YYYY-MM-DD HH:MM:SS]\n", argv[0] );
return -1;
}
rtems_shell_cmd_t rtems_shell_DATE_Command = {
.name = "date",
.usage = "date [YYYY-MM-DD HH:MM:SS]",
.topic = "misc",
.command = rtems_shell_main_date,
.alias = NULL,
.next = NULL
};