From d4004ee6a933eaf3d3843624d8c63e922db8d7dd Mon Sep 17 00:00:00 2001
From: Glenn L McGrath <bug1@ihug.co.nz>
Date: Tue, 14 Sep 2004 17:24:59 +0000
Subject: [PATCH] Patch from Felipe Kellermann, remove some unnecessary dups, i
 declared a few extra const's also.

---
 networking/ifupdown.c |  6 +++---
 networking/telnet.c   |  4 ++--
 networking/telnetd.c  | 11 +++++------
 networking/tftp.c     |  8 ++++----
 util-linux/getopt.c   |  8 ++++----
 5 files changed, 18 insertions(+), 19 deletions(-)

diff --git a/networking/ifupdown.c b/networking/ifupdown.c
index b2ce2a091..1842be58b 100644
--- a/networking/ifupdown.c
+++ b/networking/ifupdown.c
@@ -699,7 +699,7 @@ static const llist_t *find_list_string(const llist_t *list, const char *string)
 	return(NULL);
 }
 
-static struct interfaces_file_t *read_interfaces(char *filename)
+static struct interfaces_file_t *read_interfaces(const char *filename)
 {
 #ifdef CONFIG_FEATURE_IFUPDOWN_MAPPING
 	struct mapping_defn_t *currmap = NULL;
@@ -1192,7 +1192,7 @@ extern int ifupdown_main(int argc, char **argv)
 	FILE *state_fp = NULL;
 	llist_t *state_list = NULL;
 	llist_t *target_list = NULL;
-	char *interfaces = "/etc/network/interfaces";
+	const char *interfaces = "/etc/network/interfaces";
 	const char *statefile = "/var/run/ifstate";
 
 #ifdef CONFIG_FEATURE_IFUPDOWN_MAPPING
@@ -1219,7 +1219,7 @@ extern int ifupdown_main(int argc, char **argv)
 		{
 			switch (i) {
 				case 'i':	/* interfaces */
-					interfaces = bb_xstrdup(optarg);
+					interfaces = optarg;
 					break;
 				case 'v':	/* verbose */
 					verbose = 1;
diff --git a/networking/telnet.c b/networking/telnet.c
index 6c5f3d15b..6ad7712ab 100644
--- a/networking/telnet.c
+++ b/networking/telnet.c
@@ -132,7 +132,7 @@ static char *ttype;
 #endif
 
 #ifdef CONFIG_FEATURE_TELNET_AUTOLOGIN
-static char *autologin;
+static const char *autologin;
 #endif
 
 #ifdef CONFIG_FEATURE_AUTOWIDTH
@@ -663,7 +663,7 @@ extern int telnet_main(int argc, char** argv)
 	while ((opt = getopt(argc, argv, "al:")) != EOF) {
 		switch (opt) {
 			case 'l':
-				autologin = bb_xstrdup(optarg);
+				autologin = optarg;
 				break;
 			case 'a':
 				autologin = getenv("USER");
diff --git a/networking/telnetd.c b/networking/telnetd.c
index 724c7cf75..491c66fd1 100644
--- a/networking/telnetd.c
+++ b/networking/telnetd.c
@@ -1,4 +1,4 @@
-/* $Id: telnetd.c,v 1.12 2004/06/22 10:07:17 andersen Exp $
+/* $Id: telnetd.c,v 1.13 2004/09/14 17:24:58 bug1 Exp $
  *
  * Simple telnet server
  * Bjorn Wesen, Axis Communications AB (bjornw@axis.com)
@@ -49,11 +49,10 @@
 
 #define BUFSIZE 4000
 
-static const char *loginpath
 #ifdef CONFIG_LOGIN
- = "/bin/login";
+static const char *loginpath = "/bin/login";
 #else
-;
+static const char *loginpath;
 #endif
 static const char *issuefile = "/etc/issue.net";
 
@@ -401,10 +400,10 @@ telnetd_main(int argc, char **argv)
 		if (c == EOF) break;
 		switch (c) {
 			case 'f':
-				issuefile = strdup (optarg);
+				issuefile = optarg;
 				break;
 			case 'l':
-				loginpath = strdup (optarg);
+				loginpath = optarg;
 				break;
 #ifndef CONFIG_FEATURE_TELNETD_INETD
 			case 'p':
diff --git a/networking/tftp.c b/networking/tftp.c
index 02ddb4ded..3c947318b 100644
--- a/networking/tftp.c
+++ b/networking/tftp.c
@@ -485,8 +485,8 @@ static inline int tftp(const int cmd, const struct hostent *host,
 int tftp_main(int argc, char **argv)
 {
 	struct hostent *host = NULL;
-	char *localfile = NULL;
-	char *remotefile = NULL;
+	const char *localfile = NULL;
+	const char *remotefile = NULL;
 	int port;
 	int cmd = 0;
 	int fd = -1;
@@ -538,10 +538,10 @@ int tftp_main(int argc, char **argv)
 			break;
 #endif
 		case 'l':
-			localfile = bb_xstrdup(optarg);
+			localfile = optarg;
 			break;
 		case 'r':
-			remotefile = bb_xstrdup(optarg);
+			remotefile = optarg;
 			break;
 		}
 	}
diff --git a/util-linux/getopt.c b/util-linux/getopt.c
index e3b051388..032d0dc6b 100644
--- a/util-linux/getopt.c
+++ b/util-linux/getopt.c
@@ -305,8 +305,8 @@ static const char *shortopts="+ao:l:n:qQs:Tu";
 
 int getopt_main(int argc, char *argv[])
 {
-        char *optstr=NULL;
-        char *name=NULL;
+        const char *optstr = NULL;
+        const char *name = NULL;
         int opt;
         int compatible=0;
 
@@ -340,14 +340,14 @@ int getopt_main(int argc, char *argv[])
                         break;
                 case 'o':
                        free(optstr);
-                       optstr=bb_xstrdup(optarg);
+                       optstr = optarg;
                         break;
                 case 'l':
                         add_long_options(optarg);
                         break;
                 case 'n':
                        free(name);
-                       name=bb_xstrdup(optarg);
+                       name = optarg;
                         break;
                 case 'q':
                         quiet_errors=1;