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authorKay Sievers <kay.sievers@vrfy.org>2007-05-01 14:19:31 +0200
committerKay Sievers <kay.sievers@vrfy.org>2007-05-01 14:19:31 +0200
commit4fa3d99db7825a815c5a75a737b3288b9f048346 (patch)
tree035c16c32e96069abbd9971f5dfa6bd6f0a3413e /extras
parent5f605a6cf1850f17a0d24b57094c2e275e31d4da (diff)
ata_id: use getopt_long()
Diffstat (limited to 'extras')
-rw-r--r--extras/ata_id/ata_id.c33
1 files changed, 26 insertions, 7 deletions
diff --git a/extras/ata_id/ata_id.c b/extras/ata_id/ata_id.c
index ddd4151257..f94cdc0fd3 100644
--- a/extras/ata_id/ata_id.c
+++ b/extras/ata_id/ata_id.c
@@ -19,6 +19,7 @@
#include <ctype.h>
#include <string.h>
#include <errno.h>
+#include <getopt.h>
#include <sys/ioctl.h>
#include <sys/types.h>
#include <sys/stat.h>
@@ -91,22 +92,40 @@ int main(int argc, char *argv[])
char serial[21];
char revision[9];
const char *node = NULL;
- int i;
int export = 0;
int fd;
int rc = 0;
+ static const struct option options[] = {
+ { "export", 0, NULL, 'x' },
+ { "help", 0, NULL, 'h' },
+ {}
+ };
logging_init("ata_id");
- for (i = 1 ; i < argc; i++) {
- char *arg = argv[i];
+ while (1) {
+ int option;
- if (strcmp(arg, "--export") == 0) {
+ option = getopt_long(argc, argv, "xh", options, NULL);
+ if (option == -1)
+ break;
+
+ switch (option) {
+ case 'x':
export = 1;
- } else
- node = arg;
+ break;
+ case 'h':
+ printf("Usage: ata_id [--export] [--help] <device>\n"
+ " --export print values as environemt keys\n"
+ " --help print this help text\n\n");
+ default:
+ rc = 1;
+ goto exit;
+ }
}
- if (!node) {
+
+ node = argv[optind];
+ if (node == NULL) {
err("no node specified");
rc = 1;
goto exit;