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Allow for long options using getopt_long

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This commit is contained in:
Marc Di Luzio
2019-05-10 20:37:51 +01:00
parent 99c7d04e69
commit baff9c0363
2 changed files with 58 additions and 39 deletions
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70
daemon/main.c
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@@ -56,6 +56,7 @@ POSSIBILITY OF SUCH DAMAGE.
#include "gamemode_client.h"
#include "logging.h"
#include <getopt.h>
#include <signal.h>
#include <stdlib.h>
#include <string.h>
@@ -64,12 +65,13 @@ POSSIBILITY OF SUCH DAMAGE.
#define USAGE_TEXT \
"Usage: %s [-d] [-l] [-r] [-t] [-h] [-v]\n\n" \
" -d daemonize self after launch\n" \
" -l log to syslog\n" \
" -r request gamemode and pause\n" \
" -t run tests\n" \
" -h print this help\n" \
" -v print version\n" \
" -r, --request Request gamemode and pause\n" \
" -s, --status Query the status of gamemode\n" \
" -d, --daemonize Daemonize self after launch\n" \
" -l, --log-to-syslog Log to syslog\n" \
" -r, --test Run tests\n" \
" -h, --help Print this help\n" \
" -v, --version Print version\n" \
"\n" \
"See man page for more information.\n"
@@ -102,8 +104,17 @@ int main(int argc, char *argv[])
bool daemon = false;
bool use_syslog = false;
int opt = 0;
int status;
while ((opt = getopt(argc, argv, "dlsrtvh")) != -1) {
/* Options struct for getopt_long */
static struct option long_options[] = {
{ "daemonize", no_argument, 0, 'd' }, { "log-to-syslog", no_argument, 0, 'l' },
{ "request", no_argument, 0, 'r' }, { "test", no_argument, 0, 't' },
{ "status", no_argument, 0, 's' }, { "help", no_argument, 0, 'h' },
{ "version", no_argument, 0, 'v' }
};
static const char *short_options = "dls::r::tvh";
while ((opt = getopt_long(argc, argv, short_options, long_options, 0)) != -1) {
switch (opt) {
case 'd':
daemon = true;
@@ -111,31 +122,41 @@ int main(int argc, char *argv[])
case 'l':
use_syslog = true;
break;
case 's': {
if ((status = gamemode_query_status()) < 0) {
case 's':
switch (gamemode_query_status()) {
case 0:
LOG_MSG("gamemode is inactive\n");
break;
case 1:
LOG_MSG("gamemode is active\n");
break;
case -1:
LOG_ERROR("gamemode status request failed: %s\n", gamemode_error_string());
exit(EXIT_FAILURE);
} else if (status > 0) {
LOG_MSG("gamemode is active\n");
} else {
LOG_MSG("gamemode is inactive\n");
default:
LOG_ERROR("gamemode_query_status returned unexpected value 2\n");
exit(EXIT_FAILURE);
}
exit(EXIT_SUCCESS);
break;
}
case 'r':
if (gamemode_request_start() < 0) {
LOG_ERROR("gamemode request failed: %s\n", gamemode_error_string());
exit(EXIT_FAILURE);
}
if ((status = gamemode_query_status()) == 2) {
switch (gamemode_query_status()) {
case 2:
LOG_MSG("gamemode request succeeded and is active\n");
} else if (status == 1) {
break;
case 1:
LOG_ERROR("gamemode request succeeded and is active but registration failed\n");
exit(EXIT_FAILURE);
} else {
case 0:
LOG_ERROR("gamemode request succeeded but is not active\n");
exit(EXIT_FAILURE);
}
@@ -153,23 +174,20 @@ int main(int argc, char *argv[])
}
exit(EXIT_SUCCESS);
break;
case 't':
status = game_mode_run_client_tests();
case 't': {
int status = game_mode_run_client_tests();
exit(status);
break;
}
case 'v':
LOG_MSG(VERSION_TEXT);
exit(EXIT_SUCCESS);
break;
case 'h':
LOG_MSG(USAGE_TEXT, argv[0]);
exit(EXIT_SUCCESS);
break;
default:
fprintf(stderr, USAGE_TEXT, argv[0]);
exit(EXIT_FAILURE);
break;
}
}