diff options
Diffstat (limited to 'swaygrab/main.c')
| -rw-r--r-- | swaygrab/main.c | 26 |
1 files changed, 19 insertions, 7 deletions
diff --git a/swaygrab/main.c b/swaygrab/main.c index 63cf223f..681a6da4 100644 --- a/swaygrab/main.c +++ b/swaygrab/main.c @@ -10,7 +10,7 @@ #include "ipc-client.h" void sway_terminate(void) { - exit(1); + exit(EXIT_FAILURE); } int numlen(int n) { @@ -127,24 +127,33 @@ int main(int argc, char **argv) { init_log(L_INFO); static struct option long_options[] = { - {"capture", no_argument, &capture, 'c'}, + {"help", no_argument, NULL, 'h'}, + {"capture", no_argument, NULL, 'c'}, {"version", no_argument, NULL, 'v'}, {"socket", required_argument, NULL, 's'}, - {"raw", no_argument, &raw, 'r'}, + {"raw", no_argument, NULL, 'r'}, {"rate", required_argument, NULL, 'R'}, {0, 0, 0, 0} }; + const char *usage = + "Usage: swaygrab [options] <output> [file]\n" + "\n" + " -h, --help Show help message and quit.\n" + " -c, --capture Capture video.\n" + " -v, --version Show the version number and quit.\n" + " -s, --socket <socket> Use the specified socket.\n" + " -R, --rate <rate> Specify framerate (default: 30)\n" + " -r, --raw Write raw rgba data to stdout.\n"; + int c; while (1) { int option_index = 0; - c = getopt_long(argc, argv, "cvs:r", long_options, &option_index); + c = getopt_long(argc, argv, "hcvs:r", long_options, &option_index); if (c == -1) { break; } switch (c) { - case 0: // Flag - break; case 's': // Socket socket_path = strdup(optarg); break; @@ -163,8 +172,11 @@ int main(int argc, char **argv) { #else fprintf(stdout, "version not detected\n"); #endif - exit(0); + exit(EXIT_SUCCESS); break; + default: + fprintf(stderr, "%s", usage); + exit(EXIT_FAILURE); } } |