Remove yet more kernel header dependancies.

[oweals/busybox.git] / length.c

diff --git a/length.c b/length.c
index f2dadd25c8958d231069231b63e77a10332d5682..c7df216112216bfad014246c66d51ece8b089f64 100644 (file)
--- a/length.c
+++ b/length.c
@@ -1,15 +1,18 @@
+/* vi: set sw=4 ts=4: */
 #include "internal.h"
 #include <stdlib.h>
 #include <string.h>
 #include <stdio.h>
 
-extern int
-length_main(int argc, char * * argv)
+extern int length_main(int argc, char **argv)
 {
-    if ( **(argv+1) == '-' ) {
-       fprintf(stderr, "Usage: length string\n");
-       exit(FALSE);
-    }
-    printf("%d\n", strlen(argv[1]));
-    return( TRUE);
+       if (argc != 2 || **(argv + 1) == '-') {
+               usage("length STRING\n"
+#ifndef BB_FEATURE_TRIVIAL_HELP
+                               "\nPrints out the length of the specified STRING.\n"
+#endif
+                               );
+       }
+       printf("%lu\n", (long)strlen(argv[1]));
+       return (TRUE);
 }