Fix rendering corruption when wrapping long words

src/common.c

@@ -445,6 +445,21 @@ str_xml_sanitize(const char* const str)
     return g_string_free(sanitized, FALSE);
 }
 
+gint
+str_ascii_casecmp0(const char* s1, const char* s2)
+{
+    if (s1 == s2) {
+        return 0;
+    }
+    if (s1 == NULL) {
+        return -1;
+    }
+    if (s2 == NULL) {
+        return 1;
+    }
+    return g_ascii_strcasecmp(s1, s2);
+}
+
 char*
 release_get_latest(void)
 {

src/common.h

@@ -160,6 +160,7 @@ char* str_replace(const char* string, const char* substr, const char* replacemen
 gboolean strtoi_range(const char* str, int* saveptr, int min, int max, char** err_msg);
 int utf8_display_len(const char* const str);
 gchar* str_xml_sanitize(const char* const str);
+gint str_ascii_casecmp0(const char* s1, const char* s2);
 
 gboolean string_matches_one_of(const char* what, const char* is, gboolean is_can_be_null, const char* first, ...) __attribute__((sentinel));
 gboolean valid_tls_policy_option(const char* is);

src/ui/window.c

@@ -2002,8 +2002,11 @@ _win_print_wrapped(WINDOW* win, const char* const message, size_t indent, int pa
                             _win_indent(win, indent + pad_indent);
                         }
 
-                        gchar copy[wordi + 1];
-                        g_utf8_strncpy(copy, word_ch, 1);
+                        gchar* next = g_utf8_next_char(word_ch);
+                        gsize bytes_to_copy = next - word_ch;
+                        gchar copy[bytes_to_copy + 1];
+                        memcpy(copy, word_ch, bytes_to_copy);
+                        copy[bytes_to_copy] = '\0';
                         waddstr(win, copy);
 
                         word_ch = g_utf8_next_char(word_ch);

src/ui/window_list.c

@@ -101,7 +101,7 @@ wins_get_chat(const char* const barejid)
         ProfWin* window = curr->data;
         if (window->type == WIN_CHAT) {
             ProfChatWin* chatwin = (ProfChatWin*)window;
-            if (g_strcmp0(chatwin->barejid, barejid) == 0) {
+            if (str_ascii_casecmp0(chatwin->barejid, barejid) == 0) {
                 return chatwin;
             }
         }
@@ -147,7 +147,7 @@ wins_get_conf(const char* const roomjid)
         ProfWin* window = curr->data;
         if (window->type == WIN_CONFIG) {
             ProfConfWin* confwin = (ProfConfWin*)window;
-            if (g_strcmp0(confwin->roomjid, roomjid) == 0) {
+            if (str_ascii_casecmp0(confwin->roomjid, roomjid) == 0) {
                 return confwin;
             }
         }
@@ -166,7 +166,7 @@ wins_get_muc(const char* const roomjid)
         ProfWin* window = curr->data;
         if (window->type == WIN_MUC) {
             ProfMucWin* mucwin = (ProfMucWin*)window;
-            if (g_strcmp0(mucwin->roomjid, roomjid) == 0) {
+            if (str_ascii_casecmp0(mucwin->roomjid, roomjid) == 0) {
                 return mucwin;
             }
         }