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authorZbigniew Jędrzejewski-Szmek <zbyszek@in.waw.pl>2015-03-07 13:54:32 -0500
committerZbigniew Jędrzejewski-Szmek <zbyszek@in.waw.pl>2015-03-07 13:54:32 -0500
commitfadce6caf57986dc941e5fe3c860998890d49fd2 (patch)
treeca352c01cc8a2ee50ab19d01aefe98744542de0a /src/udev/v4l_id/v4l_id.c
parent132764a2236fd6a4acb0e8d698f135c186677ad4 (diff)
v4l_id: use standard option parsing loop
Not terribly important, but the loop wasn't an actual loop, making coverity unhappy. CID #1261725.
Diffstat (limited to 'src/udev/v4l_id/v4l_id.c')
-rw-r--r--src/udev/v4l_id/v4l_id.c19
1 files changed, 9 insertions, 10 deletions
diff --git a/src/udev/v4l_id/v4l_id.c b/src/udev/v4l_id/v4l_id.c
index 0ebe434639..5c57db44c1 100644
--- a/src/udev/v4l_id/v4l_id.c
+++ b/src/udev/v4l_id/v4l_id.c
@@ -36,29 +36,28 @@ int main(int argc, char *argv[]) {
_cleanup_close_ int fd = -1;
char *device;
struct v4l2_capability v2cap;
+ int c;
- for (;;) {
- int option;
+ while ((c = getopt_long(argc, argv, "h", options, NULL)) >= 0)
- option = getopt_long(argc, argv, "h", options, NULL);
- if (option == -1)
- break;
-
- switch (option) {
+ switch (c) {
case 'h':
printf("%s [-h,--help] <device file>\n\n"
"Video4Linux device identification.\n\n"
" -h Print this message\n"
, program_invocation_short_name);
return 0;
+ case '?':
+ return -EINVAL;
+
default:
- return 1;
+ assert_not_reached("Unhandled option");
}
- }
- device = argv[optind];
+ device = argv[optind];
if (device == NULL)
return 2;
+
fd = open(device, O_RDONLY);
if (fd < 0)
return 3;