X-Git-Url: https://git.ozlabs.org/?a=blobdiff_plain;f=pppd%2Fmain.c;h=e09b6ffcce32bd06389d91da6276f24c1e009007;hb=5c765a67fd25f9d84e71ed61ace37c8c97f6be15;hp=6e7378be8d7e21ec0d7ed23e17630ec27b6d5e22;hpb=2b4ea140432eeba5a007c0d4e6236bd0e0c12ba4;p=ppp.git

diff --git a/pppd/main.c b/pppd/main.c
index 6e7378b..e09b6ff 100644
--- a/pppd/main.c
+++ b/pppd/main.c
@@ -124,7 +124,7 @@
 static const char rcsid[] = RCSID;
 
 /* interface vars */
-char ifname[32];		/* Interface name */
+char ifname[MAXIFNAMELEN];	/* Interface name */
 int ifunit;			/* Interface unit number */
 
 struct channel *the_channel;
@@ -257,7 +257,6 @@ static void cleanup_db __P((void));
 static void handle_events __P((void));
 void print_link_stats __P((void));
 
-extern	char	*ttyname __P((int));
 extern	char	*getlogin __P((void));
 int main __P((int, char *[]));
 
@@ -298,13 +297,6 @@ struct protent *protocols[] = {
     NULL
 };
 
-/*
- * If PPP_DRV_NAME is not defined, use the default "ppp" as the device name.
- */
-#if !defined(PPP_DRV_NAME)
-#define PPP_DRV_NAME	"ppp"
-#endif /* !defined(PPP_DRV_NAME) */
-
 int
 main(argc, argv)
     int argc;
@@ -737,8 +729,11 @@ void
 set_ifunit(iskey)
     int iskey;
 {
-    info("Using interface %s%d", PPP_DRV_NAME, ifunit);
-    slprintf(ifname, sizeof(ifname), "%s%d", PPP_DRV_NAME, ifunit);
+    if (req_ifname[0] != '\0')
+	slprintf(ifname, sizeof(ifname), "%s", req_ifname);
+    else
+	slprintf(ifname, sizeof(ifname), "%s%d", PPP_DRV_NAME, ifunit);
+    info("Using interface %s", ifname);
     script_setenv("IFNAME", ifname, iskey);
     if (iskey) {
 	create_pidfile(getpid());	/* write pid to file */
@@ -1756,7 +1751,7 @@ update_script_environment()
 		script_env[i] = newstring;
 	    else
 		add_script_env(i, newstring);
-	} else {
+	} else if (p != NULL) {
 	    remove_script_env(i);
 	}
     }
@@ -2043,9 +2038,11 @@ script_setenv(var, value, iskey)
 		free(p-1);
 		script_env[i] = newstring;
 #ifdef USE_TDB
-		if (iskey && pppdb != NULL)
-		    add_db_key(newstring);
-		update_db_entry();
+		if (pppdb != NULL) {
+		    if (iskey)
+			add_db_key(newstring);
+		    update_db_entry();
+		}
 #endif
 		return;
 	    }