mirror of
https://github.com/ibm-s390-linux/s390-tools.git
synced 2026-08-05 02:14:52 +00:00
b627b8d8e1
This commit is based on the s390-tools-1.39.0 version. Changes on top of s390-tools-1.39.0: - Add MIT license to all source files - Add LICENSE file - Transform REAMDE to README.md (markdown) - Add AUTHORS.md file - Add CONTRIBUTING.md file - Move changelog from README to CHANGELOG.md file Reviewed-by: Stefan Haberland <sth@linux.vnet.ibm.com> Signed-off-by: Michael Holzheu <holzheu@linux.vnet.ibm.com>
101 lines
2.2 KiB
C
101 lines
2.2 KiB
C
/*
|
|
* cpuplugd - Linux for System z Hotplug Daemon
|
|
*
|
|
* Command line parsing
|
|
*
|
|
* Copyright IBM Corp. 2007, 2017
|
|
*
|
|
* s390-tools is free software; you can redistribute it and/or modify
|
|
* it under the terms of the MIT license. See LICENSE for details.
|
|
*/
|
|
|
|
#include <getopt.h>
|
|
#include "cpuplugd.h"
|
|
|
|
void print_usage(int is_error, char program_name[]);
|
|
void print_version();
|
|
int foreground;
|
|
int debug;
|
|
char *configfile;
|
|
int cpu_idle_limit;
|
|
|
|
void parse_options(int argc, char **argv)
|
|
{
|
|
int config_file_specified = -1;
|
|
const struct option long_options[] = {
|
|
{ "help", no_argument, NULL, 'h'},
|
|
{ "foreground", no_argument, NULL, 'f' },
|
|
{ "config", required_argument, NULL, 'c' },
|
|
{ "version", no_argument, NULL, 'v' },
|
|
{ "verbose", no_argument, NULL, 'V' },
|
|
{ NULL, 0, NULL, 0}
|
|
};
|
|
|
|
/* dont run without any argument */
|
|
if (argc == 0 || argc == 1)
|
|
print_usage(0, argv[0]);
|
|
while (optind < argc) {
|
|
int index = -1;
|
|
struct option *opt = 0;
|
|
int result = getopt_long(argc, argv, "hfc:vVm",
|
|
long_options, &index);
|
|
if (result == -1)
|
|
break; /* end of list */
|
|
switch (result) {
|
|
case 'h':
|
|
print_usage(0, argv[0]);
|
|
break;
|
|
case 'f':
|
|
foreground = 1;
|
|
break;
|
|
case 'c':
|
|
/*
|
|
* This prevents -cbla and enforces the
|
|
* user to specify -c bla
|
|
*/
|
|
if (strcmp(argv[optind-1], optarg) == 0) {
|
|
configfile = optarg;
|
|
config_file_specified = 1;
|
|
} else {
|
|
cpuplugd_error("Unrecognized option: %s\n",
|
|
optarg);
|
|
exit(1);
|
|
}
|
|
break;
|
|
case 'v':
|
|
print_version();
|
|
break;
|
|
case 'V':
|
|
debug = 1;
|
|
break;
|
|
case 0:
|
|
/* all parameter that do not appear in the optstring */
|
|
opt = (struct option *)&(long_options[index]);
|
|
printf("'%s' was specified.",
|
|
opt->name);
|
|
if (opt->has_arg == required_argument)
|
|
printf("Arg: <%s>", optarg);
|
|
printf("\n");
|
|
break;
|
|
case '?':
|
|
printf("Try '%s' --help' for more information.\n",
|
|
argv[0]);
|
|
exit(1);
|
|
break;
|
|
case -1:
|
|
/*
|
|
* We also run in this case if no argument was
|
|
* specified
|
|
*/
|
|
break;
|
|
default:
|
|
print_usage(0, argv[0]);
|
|
}
|
|
}
|
|
if (config_file_specified == -1) {
|
|
printf("You have to specify a configuration file!\n");
|
|
printf("Try '%s' --help' for more information.\n", argv[0]);
|
|
exit(1);
|
|
}
|
|
}
|