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authorGravatar Denis Vlasenko <vda.linux@googlemail.com>2008-03-17 09:09:09 +0000
committerGravatar Denis Vlasenko <vda.linux@googlemail.com>2008-03-17 09:09:09 +0000
commit1d42665b6b0571b9fa5d3b10fbf2dd03382f0ba2 (patch)
tree7ec8969fc2b07a2b7dc37f96435e5eddf7daf7fd /miscutils/mt.c
parent62a90cdd7435f09f4bb8673e8b7b213067f9d5cc (diff)
downloadbusybox-1d42665b6b0571b9fa5d3b10fbf2dd03382f0ba2.tar.gz
busybox-1d42665b6b0571b9fa5d3b10fbf2dd03382f0ba2.tar.bz2
*: shrink: use Vladimir's "o+" specifier instead of xatou(opt_param)
function old new delta getopt32 1370 1385 +15 sulogin_main 490 494 +4 realpath_main 84 86 +2 sleep_main 76 77 +1 mt_main 256 257 +1 printenv_main 75 74 -1 fdformat_main 546 545 -1 usleep_main 44 42 -2 setlogcons_main 77 75 -2 ed_main 2654 2649 -5 deallocvt_main 69 64 -5 addgroup_main 373 368 -5 mkfs_minix_main 2989 2982 -7 tail_main 1221 1213 -8 sv_main 1254 1241 -13 du_main 348 328 -20 tftp_main 325 302 -23 split_main 581 558 -23 nc_main 1000 977 -23 diff_main 891 868 -23 arping_main 1797 1770 -27 ls_main 893 847 -46 od_main 2797 2750 -47 readprofile_main 1944 1895 -49 tcpudpsvd_main 1973 1922 -51 udhcpc_main 2590 2513 -77 grep_main 824 722 -102 ------------------------------------------------------------------------------ (add/remove: 0/0 grow/shrink: 5/22 up/down: 23/-560) Total: -537 bytes text data bss dec hex filename 796973 658 7428 805059 c48c3 busybox_old 796479 662 7420 804561 c46d1 busybox_unstripped
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 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? */