From 51ddda53544019ee846861b6aac7bdab8197d23c Mon Sep 17 00:00:00 2001 From: Jean Delvare Date: Wed, 15 Jun 2005 18:22:35 +0000 Subject: Move the command line handling of dmidecode to a separate source file. --- dmiopt.c | 131 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 131 insertions(+) create mode 100644 dmiopt.c (limited to 'dmiopt.c') diff --git a/dmiopt.c b/dmiopt.c new file mode 100644 index 0000000..9e03abf --- /dev/null +++ b/dmiopt.c @@ -0,0 +1,131 @@ +/* + * Command line handling of dmidecode + * This file is part of the dmidecode project. + * + * (C) 2005 Jean Delvare + * + * 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 +#include +#include +#include + +#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); +} -- cgit v1.2.1