*: remove some uses of argc

[platform/upstream/busybox.git] / miscutils / readahead.c

diff --git a/miscutils/readahead.c b/miscutils/readahead.c
index fb71ce8..f3b21a2 100644 (file)
--- 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);