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udevadm-settle: add parameters checking

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This commit is contained in:
Yang Zhiyong
2013-11-07 01:23:54 -05:00
committed by Zbigniew Jędrzejewski-Szmek
parent a1074881b4
commit 4e93793da8
1 changed files with 16 additions and 8 deletions
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src/udev/udevadm-settle.c
+16 -8
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@@ -35,6 +35,7 @@
#include <sys/types.h>
#include "udev.h"
#include "util.h"
static int adm_settle(struct udev *udev, int argc, char *argv[])
{
@@ -59,11 +60,15 @@ static int adm_settle(struct udev *udev, int argc, char *argv[])
for (;;) {
int option;
int seconds;
option = getopt_long(argc, argv, "s:e:t:E:qh", options, NULL);
if (option == -1)
if (option == -1) {
if (optind < argc) {
fprintf(stderr, "Extraneous argument: '%s'\n", argv[optind]);
exit(EXIT_FAILURE);
}
break;
}
switch (option) {
case 's':
@@ -72,12 +77,15 @@ static int adm_settle(struct udev *udev, int argc, char *argv[])
case 'e':
end = strtoull(optarg, NULL, 0);
break;
case 't':
seconds = atoi(optarg);
if (seconds >= 0)
timeout = seconds;
else
fprintf(stderr, "invalid timeout value\n");
case 't': {
int r;
r = safe_atou(optarg, &timeout);
if (r < 0) {
fprintf(stderr, "Invalid timeout value '%s': %s\n",
optarg, strerror(-r));
exit(EXIT_FAILURE);
};
break;
case 'q':
quiet = 1;