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btrfs-progs
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btrfs-progs: unify argc min/max checking 

We don't want to modify argc.

Signed-off-by: David Sterba <dsterba@suse.com>
master
David Sterba 2016-03-01 16:29:16 +01:00
parent 6398ed78f9
commit 358807cc33
12 changed files with 19 additions and 31 deletions
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3
btrfs-calc-size.c
View File

@ -450,8 +450,7 @@ int main(int argc, char **argv)
}
set_argv0(argv);
argc = argc - optind;
if (check_argc_min(argc, 1)) {
if (check_argc_min(argc - optind, 1)) {
usage();
exit(1);
}

3
btrfs-convert.c
View File

@ -3165,9 +3165,8 @@ int main(int argc, char *argv[])
return c != GETOPT_VAL_HELP;
}
}
argc = argc - optind;
set_argv0(argv);
if (check_argc_exact(argc, 1)) {
if (check_argc_exact(argc - optind, 1)) {
print_usage();
return 1;
}

3
btrfs-corrupt-block.c
View File

@ -1142,8 +1142,7 @@ int main(int argc, char **argv)
}
}
set_argv0(argv);
argc = argc - optind;
if (check_argc_min(argc, 1))
if (check_argc_min(argc - optind, 1))
print_usage(1);
dev = argv[optind];

3
btrfs-find-root.c
View File

@ -185,8 +185,7 @@ int main(int argc, char **argv)
}
set_argv0(argv);
argc = argc - optind;
if (check_argc_min(argc, 1)) {
if (check_argc_min(argc - optind, 1)) {
usage();
exit(1);
}

3
btrfs-fragments.c
View File

@ -428,8 +428,7 @@ int main(int argc, char **argv)
}
set_argv0(argv);
argc = argc - optind;
if (check_argc_min(argc, 1)) {
if (check_argc_min(argc - optind, 1)) {
usage();
exit(1);
}

5
btrfs-image.c
View File

@ -2735,12 +2735,11 @@ int main(int argc, char *argv[])
}
}
argc = argc - optind;
set_argv0(argv);
if (check_argc_min(argc, 2))
if (check_argc_min(argc - optind, 2))
print_usage(1);
dev_cnt = argc - 1;
dev_cnt = argc - optind - 1;
if (create) {
if (old_restore) {

3
btrfs-map-logical.c
View File

@ -248,8 +248,7 @@ int main(int argc, char **argv)
}
}
set_argv0(argv);
argc = argc - optind;
if (check_argc_min(argc, 1))
if (check_argc_min(argc - optind, 1))
print_usage();
if (logical == 0)
print_usage();

4
btrfs-select-super.c
View File

@ -65,9 +65,7 @@ int main(int argc, char **argv)
}
}
set_argv0(argv);
argc = argc - optind;
if (check_argc_exact(argc, 1))
if (check_argc_exact(argc - optind, 1))
print_usage();
if (bytenr == 0) {

10
btrfs-zero-log.c
View File

@ -39,23 +39,23 @@ int main(int argc, char **argv)
int ret;
set_argv0(argv);
if (check_argc_exact(argc, 2))
if (check_argc_exact(argc - optind, 1))
print_usage();
radix_tree_init();
printf("WARNING: this utility is deprecated, please use 'btrfs rescue zero-log'\n\n");
if ((ret = check_mounted(argv[1])) < 0) {
if ((ret = check_mounted(argv[optind])) < 0) {
fprintf(stderr, "ERROR: could not check mount status: %s\n", strerror(-ret));
goto out;
} else if (ret) {
fprintf(stderr, "ERROR: %s is currently mounted\n", argv[1]);
fprintf(stderr, "ERROR: %s is currently mounted\n", argv[optind]);
ret = -EBUSY;
goto out;
}
root = open_ctree(argv[1], 0, OPEN_CTREE_WRITES | OPEN_CTREE_PARTIAL);
root = open_ctree(argv[optind], 0, OPEN_CTREE_WRITES | OPEN_CTREE_PARTIAL);
if (!root) {
fprintf(stderr, "ERROR: cannot open ctree\n");
return 1;
@ -63,7 +63,7 @@ int main(int argc, char **argv)
sb = root->fs_info->super_copy;
printf("Clearing log on %s, previous log_root %llu, level %u\n",
argv[1],
argv[optind],
(unsigned long long)btrfs_super_log_root(sb),
(unsigned)btrfs_super_log_root_level(sb));
trans = btrfs_start_transaction(root, 1);

3
btrfstune.c
View File

@ -442,9 +442,8 @@ int main(int argc, char *argv[])
}
set_argv0(argv);
argc = argc - optind;
device = argv[optind];
if (check_argc_exact(argc, 1)) {
if (check_argc_exact(argc - optind, 1)) {
print_usage();
return 1;
}

3
cmds-check.c
View File

@ -9579,9 +9579,8 @@ int cmd_check(int argc, char **argv)
break;
}
}
argc = argc - optind;
if (check_argc_exact(argc, 1))
if (check_argc_exact(argc - optind, 1))
usage(cmd_check_usage);
if (ctx.progress_enabled) {

7
cmds-device.c
View File

@ -246,10 +246,10 @@ static int cmd_device_scan(int argc, char **argv)
}
}
if (all && check_argc_max(argc, 2))
if (all && check_argc_max(argc - optind, 1))
usage(cmd_device_scan_usage);
if (all || argc == 1) {
if (all || argc - optind == 1) {
printf("Scanning for Btrfs filesystems\n");
ret = btrfs_scan_lblkid();
error_on(ret, "error %d while scanning", ret);
@ -372,8 +372,7 @@ static int cmd_device_stats(int argc, char **argv)
}
}
argc = argc - optind;
if (check_argc_exact(argc, 1))
if (check_argc_exact(argc - optind, 1))
usage(cmd_device_stats_usage);
dev_path = argv[optind];