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/*
* Command line handling of dmidecode
* This file is part of the dmidecode project.
*
* (C) 2005 Jean Delvare <khali@linux-fr.org>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* 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.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <getopt.h>
#include "config.h"
#include "types.h"
#include "dmiopt.h"
/* Options are global */
struct opt opt;
static u8 *parse_opt_type(u8 *p, const char *arg)
{
/* Allocate memory on first call only */
if(p==NULL)
{
p=(u8 *)calloc(256, sizeof(u8));
if(p==NULL)
{
perror("calloc");
return NULL;
}
}
while(*arg!='\0')
{
unsigned long val;
char *next;
val=strtoul(arg, &next, 0);
if(next==arg)
{
fprintf(stderr, "Invalid type: %s\n", arg);
goto exit_free;
}
if(val>0xff)
{
fprintf(stderr, "Invalid type: %lu\n", val);
goto exit_free;
}
p[val]=1;
arg=next;
while(*arg==',' || *arg==' ')
arg++;
}
return p;
exit_free:
free(p);
return NULL;
}
/* Return -1 on error, 0 on success */
int parse_command_line(int argc, char * const argv[])
{
int option;
const char *optstring = "d:ht:uV";
struct option longopts[]={
{ "dev-mem", required_argument, NULL, 'd' },
{ "help", no_argument, NULL, 'h' },
{ "type", required_argument, NULL, 't' },
{ "dump", no_argument, NULL, 'u' },
{ "version", no_argument, NULL, 'V' },
{ 0, 0, 0, 0 }
};
while((option=getopt_long(argc, argv, optstring, longopts, NULL))!=-1)
switch(option)
{
case 'd':
opt.devmem=optarg;
break;
case 'h':
opt.flags|=FLAG_HELP;
break;
case 't':
opt.type=parse_opt_type(opt.type, optarg);
if(opt.type==NULL)
return -1;
break;
case 'u':
opt.flags|=FLAG_DUMP;
break;
case 'V':
opt.flags|=FLAG_VERSION;
break;
case ':':
case '?':
return -1;
}
return 0;
}
void print_help(void)
{
static const char *help=
"Usage: dmidecode [OPTIONS]\n"
"Options are:\n"
" -d, --dev-mem FILE Read memory from device FILE (default: " DEFAULT_MEM_DEV ")\n"
" -h, --help Display this help text and exit\n"
" -t, --type T1[,T2...] Only display the entries of given type(s)\n"
" -u, --dump Do not decode the entries\n"
" -V, --version Display the version and exit\n";
printf("%s", help);
}
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