From d9de6dd145056f5288eba2b2c4a22e695b2c1de5 Mon Sep 17 00:00:00 2001
From: Patrick McDermott <patrick.mcdermott@libiquity.com>
Date: Mon, 15 Mar 2021 14:50:29 -0400
Subject: db_xml_check_tag(), db_xml_node_peek(): Mark pure

---
(limited to 'src')

diff --git a/src/xml.h b/src/xml.h
index db887fc..2002571 100644
--- a/src/xml.h
+++ b/src/xml.h
@@ -23,7 +23,8 @@
 #include <expat.h>
 #include <SDL_stdinc.h>
 
-int db_xml_check_tag(const char *found, const char *expected);
+int db_xml_check_tag(const char *found, const char *expected)
+	__attribute__((__pure__));
 void db_xml_unexpected_start_tag(XML_Parser p, const char *found,
 		const char *expected);
 void db_xml_unexpected_end_tag(XML_Parser p, const char *found,
@@ -38,6 +39,7 @@ void db_xml_node_push(XML_Parser p, void *data,
 		XML_StartElementHandler start, XML_EndElementHandler end,
 		XML_CharacterDataHandler charhndl);
 void *db_xml_node_pop(XML_Parser p);
-void *db_xml_node_peek(XML_Parser p);
+void *db_xml_node_peek(XML_Parser p)
+	__attribute__((__pure__));
 
 #endif  /* DB_XML_H_ */
--
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