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btrfs-progs: Avoid use pointer in handle_options 

We use pointer of argc and argv in handle_options() because they
are necessary in very old code which are not exist now.

This patch move to use argc and argv directly in handle_options(),
alone with following update:
1: rename handle_options() to check_options()
   to fit its function.
2: cleanup for condition in handle_options() to make line short.

Signed-off-by: Zhao Lei <zhaolei@cn.fujitsu.com>
Signed-off-by: David Sterba <dsterba@suse.com>
This commit is contained in:
Zhao Lei 2015-10-29 17:31:48 +08:00 committed by David Sterba
parent eccf7aa62e
commit c9bddcacbc
1 changed files with 18 additions and 14 deletions
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32
btrfs.c
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@ -172,20 +172,24 @@ static int cmd_version(int argc, char **argv)
return 0;
}
static void handle_options(int *argc, char ***argv)
static void check_options(int argc, char **argv)
{
if (*argc > 0) {
const char *arg = (*argv)[0];
if (arg[0] != '-' ||
!strcmp(arg, "--help") ||
!strcmp(arg, "--version"))
return;
fprintf(stderr, "Unknown option: %s\n", arg);
fprintf(stderr, "usage: %s\n",
btrfs_cmd_group.usagestr[0]);
exit(129);
}
return;
const char *arg;
if (argc == 0)
return;
arg = argv[0];
if (arg[0] != '-' ||
!strcmp(arg, "--help") ||
!strcmp(arg, "--version"))
return;
fprintf(stderr, "Unknown option: %s\n", arg);
fprintf(stderr, "usage: %s\n",
btrfs_cmd_group.usagestr[0]);
exit(129);
}
static const struct cmd_group btrfs_cmd_group = {
@ -227,7 +231,7 @@ int main(int argc, char **argv)
} else {
argc--;
argv++;
handle_options(&argc, &argv);
check_options(argc, argv);
if (argc > 0) {
if (!prefixcmp(argv[0], "--"))
argv[0] += 2;