audit small applets and mark some of them as NOFORK.

Put big scary warnings in relevant places.

1 files changed, 6 insertions, 7 deletions

diff --git a/coreutils/length.c b/coreutils/length.c
index 1dc122cc1..b3a9d4903 100644
--- a/coreutils/length.c
+++ b/coreutils/length.c
@@ -2,19 +2,18 @@
 
 /* BB_AUDIT SUSv3 N/A -- Apparently a busybox (obsolete?) extension. */
 
-#include <stdlib.h>
-#include <string.h>
-#include <stdio.h>
 #include "busybox.h"
 
+/* This is a NOFORK applet. Be very careful! */
+
 int length_main(int argc, char **argv);
 int length_main(int argc, char **argv)
 {
-        if ((argc != 2) ||  (**(++argv) == '-')) {
-            bb_show_usage();
+        if ((argc != 2) || (**(++argv) == '-')) {
+                bb_show_usage();
         }
 
-        printf("%lu\n", (unsigned long)strlen(*argv));
+        printf("%u\n", (unsigned)strlen(*argv));
 
-        fflush_stdout_and_exit(EXIT_SUCCESS);
+        return fflush(stdout);
 }