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authorDenys Vlasenko2009-11-28 15:18:53 +0100
committerDenys Vlasenko2009-11-28 15:18:53 +0100
commite992bae6f9adf3718c6263a36c004ead1c7272a8 (patch)
treef0bc9e4fa145f58ab3f9838902e09f9cfba29648 /coreutils/chroot.c
parent86cfb70ca5f2bde11f2d071bc59db75291d8552f (diff)
downloadbusybox-e992bae6f9adf3718c6263a36c004ead1c7272a8.zip
busybox-e992bae6f9adf3718c6263a36c004ead1c7272a8.tar.gz
*: remove a few more cases of argc usage. -89 bytes.
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
Diffstat (limited to 'coreutils/chroot.c')
-rw-r--r--coreutils/chroot.c10
1 files changed, 4 insertions, 6 deletions
diff --git a/coreutils/chroot.c b/coreutils/chroot.c
index 9b3d700..f7228a6 100644
--- a/coreutils/chroot.c
+++ b/coreutils/chroot.c
@@ -12,18 +12,16 @@
#include "libbb.h"
int chroot_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
-int chroot_main(int argc, char **argv)
+int chroot_main(int argc UNUSED_PARAM, char **argv)
{
- if (argc < 2) {
- bb_show_usage();
- }
-
++argv;
+ if (!*argv)
+ bb_show_usage();
xchroot(*argv);
xchdir("/");
++argv;
- if (argc == 2) {
+ if (!*argv) { /* no 2nd param (PROG), use shell */
argv -= 2;
argv[0] = getenv("SHELL");
if (!argv[0]) {