diff --git a/activitypub.c b/activitypub.c
index a0b33ee..0ee0bf6 100644
--- a/activitypub.c
+++ b/activitypub.c
@@ -123,7 +123,7 @@ int send_to_inbox(snac *snac, char *inbox, char *msg, d_char **payload, int *p_s
     response = http_signed_request(snac, "POST", inbox,
         NULL, j_msg, strlen(j_msg), &status, payload, p_size);
 
-    free(response);
+    xs_free(response);
 
     return status;
 }
@@ -553,7 +553,7 @@ d_char *msg_note(snac *snac, char *content, char *rcpts, char *in_reply_to, char
 
             /* if this message is public, ours will also be */
             if (is_msg_public(snac, p_msg) &&
-                xs_list_in(to, (char *)public_address) == -1)
+                xs_list_in(to, public_address) == -1)
                 to = xs_list_append(to, public_address);
         }
 
diff --git a/data.c b/data.c
index c913b52..39f7efb 100644
--- a/data.c
+++ b/data.c
@@ -526,10 +526,10 @@ void _timeline_write(snac *snac, char *id, char *msg, char *parent, char *referr
                 fclose(f);
 
                 xs *g_msg    = xs_json_loads(j);
-                d_char *meta = xs_dict_get(g_msg, "_snac");
-                d_char *p    = xs_dict_get(meta,  "parent");
+                char *meta   = xs_dict_get(g_msg, "_snac");
+                char *p      = xs_dict_get(meta,  "parent");
 
-                free(grampa);
+                xs_free(grampa);
                 grampa = xs_dup(p);
             }
         }
diff --git a/httpd.c b/httpd.c
index d7fad93..726cb37 100644
--- a/httpd.c
+++ b/httpd.c
@@ -183,10 +183,8 @@ void httpd_connection(FILE *f)
         b_size = strlen(body);
 
     /* if it was a HEAD, no body will be sent */
-    if (strcmp(method, "HEAD") == 0) {
-        free(body);
-        body = NULL;
-    }
+    if (strcmp(method, "HEAD") == 0)
+        body = xs_free(body);
 
     xs_httpd_response(f, status, headers, body, b_size);
 
@@ -194,7 +192,7 @@ void httpd_connection(FILE *f)
 
     srv_archive("RECV", req, payload, p_size, status, headers, body, b_size);
 
-    free(body);
+    xs_free(body);
 }
 
 
@@ -233,18 +231,21 @@ static void *queue_thread(void *arg)
     srv_log(xs_fmt("queue thread start"));
 
     while (srv_running) {
-        xs *list = user_list();
-        char *p, *uid;
         time_t t;
 
-        /* process queues for all users */
-        p = list;
-        while (xs_list_iter(&p, &uid)) {
-            snac snac;
+        {
+            xs *list = user_list();
+            char *p, *uid;
 
-            if (user_open(&snac, uid)) {
-                process_queue(&snac);
-                user_free(&snac);
+            /* process queues for all users */
+            p = list;
+            while (xs_list_iter(&p, &uid)) {
+                snac snac;
+
+                if (user_open(&snac, uid)) {
+                    process_queue(&snac);
+                    user_free(&snac);
+                }
             }
         }
 
diff --git a/xs.h b/xs.h
index 7900ea0..5aed922 100644
--- a/xs.h
+++ b/xs.h
@@ -66,7 +66,7 @@ d_char *xs_list_append_m(d_char *list, const char *mem, int dsz);
 int xs_list_iter(char **list, char **value);
 int xs_list_len(char *list);
 char *xs_list_get(char *list, int num);
-int xs_list_in(char *list, char *val);
+int xs_list_in(char *list, const char *val);
 d_char *xs_join(char *list, const char *sep);
 d_char *xs_split_n(const char *str, const char *sep, int times);
 #define xs_split(str, sep) xs_split_n(str, sep, 0xfffffff)
@@ -96,12 +96,27 @@ void *_xs_realloc(void *ptr, size_t size, const char *file, int line, const char
 
 #ifdef XS_DEBUG
     if (ndata != ptr) {
+        int n;
         FILE *f = fopen("xs_memory.out", "a");
 
         if (ptr != NULL)
             fprintf(f, "%p r\n", ptr);
 
-        fprintf(f, "%p a %ld %s %d %s\n", ndata, size, file, line, func);
+        fprintf(f, "%p a %ld %s:%d: %s", ndata, size, file, line, func);
+
+        if (ptr != NULL) {
+            fprintf(f, " [");
+            for (n = 0; n < 32 && ndata[n]; n++) {
+                if (ndata[n] >= 32 && ndata[n] <= 127)
+                    fprintf(f, "%c", ndata[n]);
+                else
+                    fprintf(f, "\\%02x", (unsigned char)ndata[n]);
+            }
+            fprintf(f, "]");
+        }
+
+        fprintf(f, "\n");
+
         fclose(f);
     }
 #endif
@@ -531,7 +546,7 @@ char *xs_list_get(char *list, int num)
 }
 
 
-int xs_list_in(char *list, char *val)
+int xs_list_in(char *list, const char *val)
 /* returns the position of val in list or -1 */
 {
     int n = 0;
diff --git a/xs_version.h b/xs_version.h
index 4ed093c..8a9d469 100644
--- a/xs_version.h
+++ b/xs_version.h
@@ -1 +1 @@
-/* 286f556255aa224a72b778c44b837b75170becf5 */
+/* 870b15e48a153ac601046ac2dc72dd8ccb0c77a4 */