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Merge pull request #269 from christophgysin/usage

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Add --help to print usage
This commit is contained in:
Drew DeVault 2015-11-29 09:04:39 -05:00
commit 0af15cc19e
7 changed files with 75 additions and 21 deletions
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35
sway/main.c
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@ -55,25 +55,41 @@ int main(int argc, char **argv) {
static int verbose = 0, debug = 0, validate = 0;
static struct option long_options[] = {
{"help", no_argument, NULL, 'h'},
{"config", required_argument, NULL, 'c'},
{"validate", no_argument, &validate, 1},
{"debug", no_argument, &debug, 1},
{"validate", no_argument, NULL, 'C'},
{"debug", no_argument, NULL, 'd'},
{"version", no_argument, NULL, 'v'},
{"verbose", no_argument, &verbose, 1},
{"verbose", no_argument, NULL, 'V'},
{"get-socketpath", no_argument, NULL, 'p'},
{0, 0, 0, 0}
};
char *config_path = NULL;
const char* usage =
"Usage: sway [options] [command]\n"
"\n"
" -h, --help Show help message and quit.\n"
" -c, --config <config> Specify a config file.\n"
" -C, --validate Check the validity of the config file, then exit.\n"
" -d, --debug Enables full logging, including debug information.\n"
" -v, --version Show the version number and quit.\n"
" -V, --verbose Enables more verbose logging.\n"
" --get-socketpath Gets the IPC socket path and prints it, then exits.\n"
"\n";
int c;
while (1) {
int option_index = 0;
c = getopt_long(argc, argv, "CdvVpc:", long_options, &option_index);
c = getopt_long(argc, argv, "hCdvVpc:", long_options, &option_index);
if (c == -1) {
break;
}
switch (c) {
case 0: // Flag
case 'h': // help
fprintf(stdout, "%s", usage);
exit(EXIT_SUCCESS);
break;
case 'c': // config
config_path = strdup(optarg);
@ -90,7 +106,7 @@ int main(int argc, char **argv) {
#else
fprintf(stdout, "version not detected\n");
#endif
exit(0);
exit(EXIT_SUCCESS);
break;
case 'V': // verbose
verbose = 1;
@ -98,12 +114,15 @@ int main(int argc, char **argv) {
case 'p': ; // --get-socketpath
if (getenv("SWAYSOCK")) {
fprintf(stdout, "%s\n", getenv("SWAYSOCK"));
exit(0);
exit(EXIT_SUCCESS);
} else {
fprintf(stderr, "sway socket not detected.\n");
exit(1);
exit(EXIT_FAILURE);
}
break;
default:
fprintf(stderr, "%s", usage);
exit(EXIT_FAILURE);
}
}