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-rw-r--r--tools/idevicename.c12
1 files changed, 10 insertions, 2 deletions
diff --git a/tools/idevicename.c b/tools/idevicename.c
index 8b45626..cd8faff 100644
--- a/tools/idevicename.c
+++ b/tools/idevicename.c
@@ -31,7 +31,10 @@
static void print_usage()
{
printf("\nUsage: idevicename [OPTIONS] [NAME]\n");
+ printf("Display the device name or set it to NAME if specified.\n");
+ printf("\n");
printf(" --udid|-u UDID use UDID to target a specific device\n");
+ printf(" --help|-h print usage information\n");
printf("\n");
}
@@ -44,16 +47,21 @@ int main(int argc, char** argv)
int optidx = 0;
const struct option longopts[] = {
{ "udid", required_argument, NULL, 'u' },
+ { "help", no_argument, NULL, 'h' },
{ NULL, 0, NULL, 0}
};
- while ((c = getopt_long(argc, argv, "u:", longopts, &optidx)) != -1) {
+ while ((c = getopt_long(argc, argv, "u:h", longopts, &optidx)) != -1) {
switch (c) {
case 'u':
udid = strdup(optarg);
break;
+ case 'h':
+ print_usage();
+ return 0;
default:
- break;
+ print_usage();
+ return -1;
}
}