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-rw-r--r--init/mesg.c10
1 files changed, 6 insertions, 4 deletions
diff --git a/init/mesg.c b/init/mesg.c
index ca230f3..2e8b16e 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;
}