diff options
Diffstat (limited to 'sbin/newfs/newfs.c')
| -rw-r--r-- | sbin/newfs/newfs.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/sbin/newfs/newfs.c b/sbin/newfs/newfs.c index 0dbb786..5b92392 100644 --- a/sbin/newfs/newfs.c +++ b/sbin/newfs/newfs.c @@ -150,7 +150,8 @@ main(int argc, char *argv[]) case 'L': volumelabel = optarg; i = -1; - while (isalnum(volumelabel[++i])); + while (isalnum(volumelabel[++i]) || + volumelabel[i] == '_'); if (volumelabel[i] != '\0') { errx(1, "bad volume label. Valid characters are alphanumerics."); } |
