*: remove some uses of argc
function old new delta
whoami_main 34 37 +3
logname_main 60 63 +3
hostid_main 35 38 +3
ttysize_main 136 135 -1
nmeter_main 673 672 -1
logger_main 387 386 -1
uuencode_main 330 328 -2
ifupdown_main 2125 2123 -2
mesg_main 158 155 -3
free_main 333 330 -3
cal_main 902 899 -3
acpid_main 443 440 -3
ar_main 196 189 -7
find_main 476 467 -9
ifconfig_main 1235 1221 -14
------------------------------------------------------------------------------
(add/remove: 0/0 grow/shrink: 3/12 up/down: 9/-49) Total: -40 bytes
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
diff --git a/miscutils/readahead.c b/miscutils/readahead.c
index fb71ce8..f3b21a2 100644
--- a/miscutils/readahead.c
+++ b/miscutils/readahead.c
@@ -13,11 +13,13 @@
#include "libbb.h"
int readahead_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
-int readahead_main(int argc, char **argv)
+int readahead_main(int argc UNUSED_PARAM, char **argv)
{
int retval = EXIT_SUCCESS;
- if (argc == 1) bb_show_usage();
+ if (!argv[1]) {
+ bb_show_usage();
+ }
while (*++argv) {
int fd = open_or_warn(*argv, O_RDONLY);