commit 61646fd

Fixed crash when sending an empty EmojiReact.

 1@@ -572,6 +572,7 @@ xs_html *html_emoji(snac *user, const char *summary,
 2                         xs_html_sctag("input",
 3                             xs_html_attr("type",     react ? "hidden" : "text"),
 4                             xs_html_attr("name",     "eid"),
 5+                            xs_html_attr("required", "required"),
 6                             xs_html_attr(react ? "value" : "placeholder", react ? eid : placeholder)),
 7                         xs_html_text(" "),
 8                         xs_html_sctag("input",
 9@@ -5842,14 +5843,16 @@ int html_post_handler(const xs_dict *req, const char *q_path,
10         if (strcmp(action, L("EmojiReact")) == 0) { /** **/
11             xs *eid = xs_dup(xs_dict_get(p_vars, "eid"));
12 
13-            xs *ret = msg_emoji_init(&snac, id, eid);
14-            /* fails if either invalid or already reacted */
15-            if (!ret) {
16-                object_user_cache_del(&snac, id, "admire");
17-                ret = msg_emoji_unreact(&snac, id, eid);
18+            if (xs_is_string(eid) && strcmp(eid, "%")) {
19+                xs *ret = msg_emoji_init(&snac, id, eid);
20+                /* fails if either invalid or already reacted */
21+                if (!ret) {
22+                    object_user_cache_del(&snac, id, "admire");
23+                    ret = msg_emoji_unreact(&snac, id, eid);
24+                }
25+                if (!ret)
26+                    status = HTTP_STATUS_NOT_FOUND;
27             }
28-            if (!ret)
29-                status = HTTP_STATUS_NOT_FOUND;
30         }
31         else
32         if (strcmp(action, L("Like")) == 0) { /** **/