*: 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>

1 files changed, 6 insertions, 4 deletions

diff --git a/init/mesg.c b/init/mesg.c
index ca230f363..2e8b16e5d 100644
--- a/init/mesg.c
+++ b/init/mesg.c
@@ -16,21 +16,23 @@
 #endif
 
 int mesg_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
-int mesg_main(int argc, char **argv)
+int mesg_main(int argc UNUSED_PARAM, char **argv)
 {
 	struct stat sb;
 	const char *tty;
 	char c = 0;
 
-	if (--argc == 0
-	 || (argc == 1 && ((c = **++argv) == 'y' || c == 'n'))
+	argv++;
+
+	if (!argv[0]
+	 || (!argv[1] && ((c = argv[0][0]) == 'y' || c == 'n'))
 	) {
 		tty = xmalloc_ttyname(STDERR_FILENO);
 		if (tty == NULL) {
 			tty = "ttyname";
 		} else if (stat(tty, &sb) == 0) {
 			mode_t m;
-			if (argc == 0) {
+			if (c == 0) {
 				puts((sb.st_mode & (S_IWGRP|S_IWOTH)) ? "is y" : "is n");
 				return EXIT_SUCCESS;
 			}