[Minor] Lua_text: Add a hack to use several distinct fake texts

diff --git a/src/lua/lua_text.c b/src/lua/lua_text.c
index c90c2e6bfd4cd17cc7b696541d2a0cd3138efb2a..dde7e2c235171776c53d1736455a9b2b953e6fdf 100644 (file)
--- a/src/lua/lua_text.c
+++ b/src/lua/lua_text.c
@@ -288,19 +288,26 @@ lua_check_text_or_string (lua_State * L, gint pos)
                return ud ? (struct rspamd_lua_text *) ud : NULL;
        }
        else if (pos_type == LUA_TSTRING) {
-               /* Fake static lua_text */
-               static struct rspamd_lua_text fake_text;
+               /*
+                * Fake static lua_text, we allow to use this function multiple times
+                * by having a small array of static structures.
+                */
+               static int cur_txt_idx = 0;
+               static struct rspamd_lua_text fake_text[4];
                gsize len;
+               int sel_idx;
+
+               sel_idx = cur_txt_idx++ % G_N_ELEMENTS (fake_text);
+               fake_text[sel_idx].start = lua_tolstring (L, pos, &len);
 
-               fake_text.start = lua_tolstring (L, pos, &len);
                if (len >= G_MAXUINT) {
                        return NULL;
                }
 
-               fake_text.len = len;
-               fake_text.flags = RSPAMD_TEXT_FLAG_FAKE;
+               fake_text[sel_idx].len = len;
+               fake_text[sel_idx].flags = RSPAMD_TEXT_FLAG_FAKE;
 
-               return &fake_text;
+               return &fake_text[sel_idx];
        }
 
        return NULL;