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spacenavd
kopia lustrzana https://github.com/FreeSpacenav/spacenavd
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print usage information when encountering invalid arguments, and also 

accept -help and --help as aliases of -h.
pull/38/head v0.8
John Tsiombikas 2020-11-16 08:14:26 +02:00
rodzic e88d9dbe85
commit 3b2eeb011f
1 zmienionych plików z 23 dodań i 10 usunięć
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33
src/spnavd.c
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@ -37,6 +37,7 @@ along with this program. If not, see <http://www.gnu.org/licenses/>.
#include "proto_x11.h"
#endif
static void print_usage(const char *argv0);
static void cleanup(void);
static void daemonize(void);
static int write_pid_file(void);
@ -92,14 +93,7 @@ int main(int argc, char **argv)
return 0;
case 'h':
printf("usage: %s [options]\n", argv[0]);
printf("options:\n");
printf(" -d: do not daemonize\n");
printf(" -c <file>: config file path (default: " DEF_CFGFILE ")\n");
printf(" -l <file>|syslog: log file path or log to syslog (default: " DEF_LOGFILE ")\n");
printf(" -v: verbose output\n");
printf(" -V,-version: print version number and exit\n");
printf(" -h: print usage information and exit\n");
print_usage(argv[0]);
return 0;
default:
@ -110,13 +104,20 @@ int main(int argc, char **argv)
} else if(strcmp(argv[i], "-version") == 0) {
printf("spacenavd " VERSION "\n");
return 0;
} else if(strcmp(argv[i], "-help") == 0 || strcmp(argv[i], "--help") == 0) {
print_usage(argv[0]);
return 0;
} else {
fprintf(stderr, "invalid option: %s\n", argv[i]);
fprintf(stderr, "invalid option: %s\n\n", argv[i]);
print_usage(argv[0]);
return 1;
}
} else {
fprintf(stderr, "unexpected argument: %s\n", argv[i]);
fprintf(stderr, "unexpected argument: %s\n\n", argv[i]);
print_usage(argv[0]);
return 1;
}
}
@ -239,6 +240,18 @@ int main(int argc, char **argv)
return 0; /* unreachable */
}
static void print_usage(const char *argv0)
{
printf("usage: %s [options]\n", argv0);
printf("options:\n");
printf(" -d: do not daemonize\n");
printf(" -c <file>: config file path (default: " DEF_CFGFILE ")\n");
printf(" -l <file>|syslog: log file path or log to syslog (default: " DEF_LOGFILE ")\n");
printf(" -v: verbose output\n");
printf(" -V,-version: print version number and exit\n");
printf(" -h,-help: print usage information and exit\n");
}
static void cleanup(void)
{
struct device *dev;