summaryrefslogtreecommitdiff
path: root/miscutils/mt.c
diff options
context:
space:
mode:
Diffstat (limited to 'miscutils/mt.c')
-rw-r--r--miscutils/mt.c10
1 files changed, 4 insertions, 6 deletions
diff --git a/miscutils/mt.c b/miscutils/mt.c
index c16073c..c56a8e0 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? */