Author: ed
Date: Sun Nov 6 16:40:17 2011
New Revision: 227223
URL: http://svn.freebsd.org/changeset/base/227223
Log:
Eliminate global variables.
There is no reason why these three variables should be declared as
global variables, while the others aren't. They are only used inside
main().
Modified:
head/usr.sbin/chroot/chroot.c
Modified: head/usr.sbin/chroot/chroot.c
==============================================================================
--- head/usr.sbin/chroot/chroot.c Sun Nov 6 16:37:50 2011
(r227222)
+++ head/usr.sbin/chroot/chroot.c Sun Nov 6 16:40:17 2011
(r227223)
@@ -56,16 +56,12 @@ __FBSDID("$FreeBSD$");
static void usage(void);
-char *user; /* user to switch to before running program */
-char *group; /* group to switch to ... */
-char *grouplist; /* group list to switch to ... */
-
int
main(int argc, char *argv[])
{
struct group *gp;
struct passwd *pw;
- char *endp, *p;
+ char *endp, *p, *user, *group, *grouplist;
const char *shell;
gid_t gid, *gidlist;
uid_t uid;
@@ -74,6 +70,7 @@ main(int argc, char *argv[])
gid = 0;
uid = 0;
+ user = group = grouplist = NULL;
while ((ch = getopt(argc, argv, "G:g:u:")) != -1) {
switch(ch) {
case 'u':
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