Index: client/utils.c
===================================================================
--- client/utils.c	(revision 1257)
+++ client/utils.c	(working copy)
@@ -30,6 +30,7 @@
 #include <sys/time.h>
 #include <time.h>
 #include <sys/wait.h>
+#include <stdint.h>
 
 #include <expat.h>
 
@@ -70,14 +71,19 @@
     if (!strcmp("preferences", name)) {
 	while (atts[i]) {
 	    if (!strcmp("nick", atts[i])) {
+		free(prefs->nick);
 		prefs->nick = strdup(atts[i+1]);
 	    } else if (!strcmp("url", atts[i])) {
+		free(prefs->url);
 		prefs->url = strdup(atts[i+1]);
 	    } else if (!strcmp("password", atts[i])) {
+		free(prefs->password);
 		prefs->password = strdup(atts[i+1]);
 	    } else if (!strcmp("video_driver", atts[i])) {
+		free(prefs->video_driver);
 		prefs->video_driver = strdup(atts[i+1]);
 	    } else if (!strcmp("uid", atts[i])) {
+		free(prefs->uid);
 		prefs->uid = strdup(atts[i+1]);
 	    } else if (!strcmp("cache", atts[i])) {
 		prefs->cache_size = atoi(atts[i+1]);
@@ -168,7 +174,7 @@
 /* 64 random bits encoded as ascii */
 void make_uniqueid(prefs_t *prefs) {
   static char *rdevice = "/dev/urandom";
-  unsigned long d[2];
+  uint32_t d[2];
   int rfd;
   struct timeval tv;
   char ub[17];
@@ -190,15 +196,20 @@
   d[0] ^= tv.tv_sec;
   d[1] ^= tv.tv_usec;
   snprintf(ub, 17, "%08lX%08lX", d[0], d[1]);
+  free(prefs->uid);
   prefs->uid = strdup(ub);
 }
 
 void default_rc(prefs_t *prefs) {
-    prefs->nick = "";
-    prefs->url = "";
-    prefs->password = "";
+    free(prefs->nick);
+    prefs->nick = strdup("");
+    free(prefs->url);
+    prefs->url = strdup("");
+    free(prefs->password);
+    prefs->password = strdup("");
     prefs->cache_size = 2000;
-    prefs->video_driver = "";
+    free(prefs->video_driver);
+    prefs->video_driver = strdup("");
     make_uniqueid(prefs);
     prefs->frame_rate = 23.0;
     prefs->nrepeats = 2;
Index: client/electricsheep.c
===================================================================
--- client/electricsheep.c	(revision 1257)
+++ client/electricsheep.c	(working copy)
@@ -735,6 +735,7 @@
 	    exit(1);
 	}
 	av_free_packet(&opkt);
+	av_free_packet(&ipkt);
     }
     av_close_input_file(ictx);
 }
Index: client/electricsheep-preferences.c
===================================================================
--- client/electricsheep-preferences.c	(revision 1257)
+++ client/electricsheep-preferences.c	(working copy)
@@ -52,11 +52,16 @@
 GtkButton *test_button;
 
 void clear_prefs(prefs_t *prefs) {
+    free(prefs->nick);
     prefs->nick = NULL;
+    free(prefs->url);
     prefs->url = NULL;
+    free(prefs->password);
     prefs->password = NULL;
+    free(prefs->video_driver);
     prefs->video_driver = NULL;
     prefs->cache_size = -1;
+    free(prefs->uid);
     prefs->uid = NULL;
     prefs->frame_rate = -1.0;
     prefs->play_evenly = 1.0;