diff options
Diffstat (limited to 'miscutils')
-rw-r--r-- | miscutils/mt.c | 10 |
1 files changed, 4 insertions, 6 deletions
diff --git a/miscutils/mt.c b/miscutils/mt.c index c16073c61..c56a8e0ca 100644 --- a/miscutils/mt.c +++ b/miscutils/mt.c @@ -81,24 +81,22 @@ static const char opcode_name[] ALIGN1 = "weof" "\0"; int mt_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE; -int mt_main(int argc, char **argv) +int mt_main(int argc ATTRIBUTE_UNUSED, char **argv) { const char *file = "/dev/tape"; struct mtop op; struct mtpos position; int fd, mode, idx; - if (argc < 2) { + if (!argv[1]) { bb_show_usage(); } if (strcmp(argv[1], "-f") == 0) { - if (argc < 4) { + if (!argv[2] || !argv[3]) bb_show_usage(); - } file = argv[2]; argv += 2; - argc -= 2; } idx = index_in_strings(opcode_name, argv[1]); @@ -107,7 +105,7 @@ int mt_main(int argc, char **argv) bb_error_msg_and_die("unrecognized opcode %s", argv[1]); op.mt_op = opcode_value[idx]; - if (argc >= 3) + if (argv[2]) op.mt_count = xatoi_u(argv[2]); else op.mt_count = 1; /* One, not zero, right? */ |