diff options
Diffstat (limited to 'utils.c')
| -rw-r--r-- | utils.c | 9 |
1 files changed, 5 insertions, 4 deletions
@@ -108,7 +108,7 @@ int make_btrfs(int fd, const char *device, const char *label, btrfs_set_super_csum_type(&super, BTRFS_CSUM_TYPE_CRC32); btrfs_set_super_chunk_root_generation(&super, 1); if (label) - strcpy(super.label, label); + strncpy(super.label, label, BTRFS_LABEL_SIZE - 1); buf = malloc(sizeof(*buf) + max(sectorsize, leafsize)); @@ -828,7 +828,7 @@ void btrfs_register_one_device(char *fname) "skipping device registration\n"); return; } - strcpy(args.name, fname); + strncpy(args.name, fname, BTRFS_PATH_NAME_MAX); ret = ioctl(fd, BTRFS_IOC_SCAN_DEV, &args); close(fd); } @@ -971,6 +971,7 @@ static char *size_strs[] = { "", "KB", "MB", "GB", "TB", char *pretty_sizes(u64 size) { int num_divs = 0; + int pretty_len = 16; u64 last_size = size; u64 fract_size = size; float fraction; @@ -988,8 +989,8 @@ char *pretty_sizes(u64 size) return NULL; fraction = (float)fract_size / 1024; - pretty = malloc(16); - sprintf(pretty, "%.2f%s", fraction, size_strs[num_divs-1]); + pretty = malloc(pretty_len); + snprintf(pretty, pretty_len, "%.2f%s", fraction, size_strs[num_divs-1]); return pretty; } |