groups: make it NOEXEC

[oweals/busybox.git] / coreutils / head.c

diff --git a/coreutils/head.c b/coreutils/head.c
index 75189eda8b25ec60286b346fecfbf1bbae8322b7..ec4512765abff2f2bd5a387b630b4dea92b17351 100644 (file)
--- a/coreutils/head.c
+++ b/coreutils/head.c
@@ -4,15 +4,36 @@
  *
  * Copyright (C) 2003  Manuel Novoa III  <mjn3@codepoet.org>
  *
- * Licensed under GPLv2 or later, see file LICENSE in this tarball for details.
+ * Licensed under GPLv2 or later, see file LICENSE in this source tree.
  */
 
 /* BB_AUDIT SUSv3 compliant */
 /* BB_AUDIT GNU compatible -c, -q, and -v options in 'fancy' configuration. */
 /* http://www.opengroup.org/onlinepubs/007904975/utilities/head.html */
 
+//usage:#define head_trivial_usage
+//usage:       "[OPTIONS] [FILE]..."
+//usage:#define head_full_usage "\n\n"
+//usage:       "Print first 10 lines of each FILE (or stdin) to stdout.\n"
+//usage:       "With more than one FILE, precede each with a filename header.\n"
+//usage:     "\n       -n N[kbm]       Print first N lines"
+//usage:       IF_FEATURE_FANCY_HEAD(
+//usage:     "\n       -c N[kbm]       Print first N bytes"
+//usage:     "\n       -q              Never print headers"
+//usage:     "\n       -v              Always print headers"
+//usage:       )
+//usage:     "\n"
+//usage:     "\nN may be suffixed by k (x1024), b (x512), or m (x1024^2)."
+//usage:
+//usage:#define head_example_usage
+//usage:       "$ head -n 2 /etc/passwd\n"
+//usage:       "root:x:0:0:root:/root:/bin/bash\n"
+//usage:       "daemon:x:1:1:daemon:/usr/sbin:/bin/sh\n"
+
 #include "libbb.h"
 
+/* This is a NOEXEC applet. Be very careful! */
+
 static const char head_opts[] ALIGN1 =
        "n:"
 #if ENABLE_FEATURE_FANCY_HEAD
@@ -27,7 +48,7 @@ static const struct suffix_mult head_suffixes[] = {
        { "", 0 }
 };
 
-static const char header_fmt_str[] ALIGN1 = "\n==> %s <==\n";
+#define header_fmt_str "\n==> %s <==\n"
 
 int head_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
 int head_main(int argc, char **argv)