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/*
* dmesg.c - barebox logbuffer handling
*
* Copyright (c) 2014 Sascha Hauer <s.hauer@pengutronix.de>, Pengutronix
*
* See file CREDITS for list of people who contributed to this
* project.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2
* as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
*/
#include <common.h>
#include <malloc.h>
#include <command.h>
#include <globalvar.h>
#include <environment.h>
#include <getopt.h>
#include <clock.h>
static int do_dmesg(int argc, char *argv[])
{
int opt, i;
int delete_buf = 0, emit = 0;
unsigned flags = 0;
while ((opt = getopt(argc, argv, "ctde")) > 0) {
switch (opt) {
case 'c':
delete_buf = 1;
break;
case 't':
flags |= BAREBOX_LOG_PRINT_TIME;
break;
case 'd':
flags |= BAREBOX_LOG_DIFF_TIME;
break;
case 'e':
emit = 1;
break;
default:
return COMMAND_ERROR_USAGE;
}
}
if (emit) {
char *buf;
int len = 0;
for (i = optind; i < argc; i++)
len += strlen(argv[i]) + 1;
buf = malloc(len + 2);
if (!buf)
return -ENOMEM;
len = 0;
for (i = optind; i < argc; i++)
len += sprintf(buf + len, "%s ", argv[i]);
*(buf + len) = '\n';
*(buf + len + 1) = 0;
pr_info(buf);
free(buf);
return 0;
}
log_print(flags);
if (delete_buf)
log_clean(10);
return 0;
}
BAREBOX_CMD_HELP_START(dmesg)
BAREBOX_CMD_HELP_TEXT("Options:")
BAREBOX_CMD_HELP_OPT ("-c", "Delete messages after printing them")
BAREBOX_CMD_HELP_OPT ("-d", "Show a time delta to the last message")
BAREBOX_CMD_HELP_OPT ("-e <msg>", "Emit a log message")
BAREBOX_CMD_HELP_OPT ("-t", "Show timestamp informations")
BAREBOX_CMD_HELP_END
BAREBOX_CMD_START(dmesg)
.cmd = do_dmesg,
BAREBOX_CMD_DESC("Print or control log messages")
BAREBOX_CMD_OPTS("[-cdet]")
BAREBOX_CMD_GROUP(CMD_GRP_INFO)
BAREBOX_CMD_HELP(cmd_dmesg_help)
BAREBOX_CMD_END
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