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btrfs-progs: image: more verbose syntax erors for -t and -c 

Signed-off-by: David Sterba <dsterba@suse.com>
master
David Sterba 2016-09-03 20:34:47 +02:00
parent 57d1cbd867
commit 7903166d94
1 changed files with 10 additions and 4 deletions
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14
btrfs-image.c
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@ -2760,13 +2760,19 @@ int main(int argc, char *argv[])
break;
case 't':
num_threads = arg_strtou64(optarg);
if (num_threads > 32)
print_usage(1);
if (num_threads > 32) {
error("number of threads out of range: %llu",
(unsigned long long)num_threads);
return 1;
}
break;
case 'c':
compress_level = arg_strtou64(optarg);
if (compress_level > 9)
print_usage(1);
if (compress_level > 9) {
error("compression level out of range: %llu",
(unsigned long long)compress_level);
return 1;
}
break;
case 'o':
old_restore = 1;