From 16c7fb7fc5ae647bcc273827f507d90866419560 Mon Sep 17 00:00:00 2001
From: Denis Vlasenko <vda.linux@googlemail.com>
Date: Wed, 14 Mar 2007 22:08:04 +0000
Subject: [PATCH] chown, env: stop using statics

---
 coreutils/chown.c | 16 +++++++++-------
 coreutils/env.c   | 12 +++++-------
 2 files changed, 14 insertions(+), 14 deletions(-)

diff --git a/coreutils/chown.c b/coreutils/chown.c
index 15d2faeae..f92299e36 100644
--- a/coreutils/chown.c
+++ b/coreutils/chown.c
@@ -13,10 +13,6 @@
 
 #include "busybox.h"
 
-static struct bb_uidgid_t ugid = { -1, -1 };
-
-static int (*chown_func)(const char *, uid_t, gid_t) = chown;
-
 #define OPT_STR     ("Rh" USE_DESKTOP("vcfLHP"))
 #define BIT_RECURSE 1
 #define OPT_RECURSE (option_mask32 & 1)
@@ -38,13 +34,17 @@ static int (*chown_func)(const char *, uid_t, gid_t) = chown;
 #define BIT_TRAVERSE_TOP (0x20|0x40)
 #define OPT_TRAVERSE_TOP (USE_DESKTOP(option_mask32 & BIT_TRAVERSE_TOP) SKIP_DESKTOP(0))
 
+typedef int (*chown_fptr)(const char *, uid_t, gid_t);
+
+static struct bb_uidgid_t ugid = { -1, -1 };
+
 static int fileAction(const char *fileName, struct stat *statbuf,
-		void ATTRIBUTE_UNUSED *junk, int depth)
+		void *cf, int depth)
 {
 	uid_t u = (ugid.uid == (uid_t)-1) ? statbuf->st_uid : ugid.uid;
 	gid_t g = (ugid.gid == (gid_t)-1) ? statbuf->st_gid : ugid.gid;
 
-	if (!chown_func(fileName, u, g)) {
+	if (!((chown_fptr)cf)(fileName, u, g)) {
 		if (OPT_VERBOSE
 		 || (OPT_CHANGED && (statbuf->st_uid != u || statbuf->st_gid != g))
 		) {
@@ -62,12 +62,14 @@ int chown_main(int argc, char **argv);
 int chown_main(int argc, char **argv)
 {
 	int retval = EXIT_SUCCESS;
+	chown_fptr chown_func;
 
 	opt_complementary = "-2";
 	getopt32(argc, argv, OPT_STR);
 	argv += optind;
 
 	/* This matches coreutils behavior (almost - see below) */
+	chown_func = chown;
 	if (OPT_NODEREF
 	    /* || (OPT_RECURSE && !OPT_TRAVERSE_TOP): */
 	    USE_DESKTOP( || (option_mask32 & (BIT_RECURSE|BIT_TRAVERSE_TOP)) == BIT_RECURSE)
@@ -95,7 +97,7 @@ int chown_main(int argc, char **argv)
 				FALSE,          // depth first
 				fileAction,     // file action
 				fileAction,     // dir action
-				NULL,           // user data
+				chown_func,     // user data
 				0)              // depth
 		) {
 			retval = EXIT_FAILURE;
diff --git a/coreutils/env.c b/coreutils/env.c
index 7be0c63a5..f47d450c5 100644
--- a/coreutils/env.c
+++ b/coreutils/env.c
@@ -44,8 +44,8 @@ static const struct option env_long_options[] = {
 int env_main(int argc, char** argv);
 int env_main(int argc, char** argv)
 {
-	static char *cleanenv[1] = { NULL };
-
+	/* cleanenv was static - why? */
+	char *cleanenv[1];
 	char **ep;
 	unsigned opt;
 	llist_t *unset_env = NULL;
@@ -55,18 +55,16 @@ int env_main(int argc, char** argv)
 #if ENABLE_FEATURE_ENV_LONG_OPTIONS
 	applet_long_options = env_long_options;
 #endif
-
 	opt = getopt32(argc, argv, "+iu:", &unset_env);
-
 	argv += optind;
 	if (*argv && LONE_DASH(argv[0])) {
 		opt |= 1;
 		++argv;
 	}
-
-	if (opt & 1)
+	if (opt & 1) {
+		cleanenv[0] = NULL;
 		environ = cleanenv;
-	else if (opt & 2) {
+	} else if (opt & 2) {
 		while (unset_env) {
 			unsetenv(unset_env->data);
 			unset_env = unset_env->link;