From 9c52fc54400d706f8f7cdf82d3df2da733862819 Mon Sep 17 00:00:00 2001
From: Aleksi Lindeman <dec05eba@protonmail.com>
Date: Sat, 25 May 2019 02:48:33 +0200
Subject: Cleanup after finished

---
 include/quickmedia/NodeSearch.h |  3 +--
 src/HtmlSearch.c                | 14 +++++++++-----
 src/NodeSearch.c                |  2 +-
 src/XpathParser.c               |  3 +--
 tests/main.c                    |  3 +--
 5 files changed, 13 insertions(+), 12 deletions(-)

diff --git a/include/quickmedia/NodeSearch.h b/include/quickmedia/NodeSearch.h
index b512296..f06354b 100644
--- a/include/quickmedia/NodeSearch.h
+++ b/include/quickmedia/NodeSearch.h
@@ -4,6 +4,7 @@
 typedef struct {
     char *name;
     char *value;
+    int defined;
 } QuickMediaNodeSearchParam;
 
 typedef struct QuickMediaNodeSearch QuickMediaNodeSearch;
@@ -12,8 +13,6 @@ struct QuickMediaNodeSearch {
     char *name; /* optional */
     int recursive;
     QuickMediaNodeSearchParam param; /* optional */
-    int param_defined;
-
     QuickMediaNodeSearch *child; /* optional */
 };
 
diff --git a/src/HtmlSearch.c b/src/HtmlSearch.c
index e59dc1e..c3608dd 100644
--- a/src/HtmlSearch.c
+++ b/src/HtmlSearch.c
@@ -41,7 +41,7 @@ static void find_child_nodes(TidyDoc tdoc, TidyNode node, const QuickMediaNodeSe
             } while(0)
 
             /* If we search without param, then it's a match */
-            if(!search_data->param_defined) {
+            if(!search_data->param.defined) {
                 on_match();
                 continue;
             }
@@ -123,8 +123,12 @@ static int quickmedia_html_find_nodes(const char *html_source, QuickMediaNodeSea
 
 int quickmedia_html_find_nodes_xpath(const char *html_source, const char *xpath, QuickMediaHtmlSearchResultCallback result_callback, void *userdata) {
     QuickMediaNodeSearch search_data;
-    int xpath_result = quickmedia_parse_xpath(xpath, &search_data);
-    if(xpath_result != 0)
-        return xpath_result;
-    return quickmedia_html_find_nodes(html_source, &search_data, result_callback, userdata);
+    quickmedia_node_search_init(&search_data);
+    int result = quickmedia_parse_xpath(xpath, &search_data);
+    if(result != 0)
+        goto cleanup;
+    result = quickmedia_html_find_nodes(html_source, &search_data, result_callback, userdata);
+    cleanup:
+    quickmedia_node_search_deinit(&search_data);
+    return result;
 }
diff --git a/src/NodeSearch.c b/src/NodeSearch.c
index 198b8cd..0a36215 100644
--- a/src/NodeSearch.c
+++ b/src/NodeSearch.c
@@ -4,6 +4,7 @@
 void quickmedia_node_search_param_init(QuickMediaNodeSearchParam *self) {
     self->name = NULL;
     self->value = NULL;
+    self->defined = 0;
 }
 
 static void quickmedia_node_search_param_deinit(QuickMediaNodeSearchParam *self) {
@@ -17,7 +18,6 @@ void quickmedia_node_search_init(QuickMediaNodeSearch *self) {
     self->name = NULL;
     self->recursive = 0;
     quickmedia_node_search_param_init(&self->param);
-    self->param_defined = 0;
     self->child = NULL;
 }
 
diff --git a/src/XpathParser.c b/src/XpathParser.c
index 24e1d6e..4326e85 100644
--- a/src/XpathParser.c
+++ b/src/XpathParser.c
@@ -35,6 +35,7 @@ static int xpath_parse_param(QuickMediaXpathParser *self, QuickMediaNodeSearchPa
     if(token != QUICKMEDIA_XPATH_TOKEN_CLOSING_BRACKET)
         return -4;
 
+    result->defined = 1;
     return 0;
 }
 
@@ -55,8 +56,6 @@ static int xpath_parse_node(QuickMediaXpathParser *self, QuickMediaNodeSearch *r
         if(param_result < 0) {
             quickmedia_node_search_deinit(result);
             return param_result;
-        } else if(param_result == 0) {
-            result->param_defined = 1;
         }
 
         result->child = malloc(sizeof(QuickMediaNodeSearch));
diff --git a/tests/main.c b/tests/main.c
index eb1abc7..5b697a9 100644
--- a/tests/main.c
+++ b/tests/main.c
@@ -24,8 +24,7 @@ static void result_callback(QuickMediaHtmlNode *node, void *userdata) {
     printf("a href: %s, node value: %.*s\n", href, text.size, text.data);
 }
 
-int main(int argc, char **argv)
-{
+int main(int argc, char **argv) {
     char *file_content = get_file_content("test_files/test.html");
     int result = quickmedia_html_find_nodes_xpath(file_content, "//h3[class=\"story_name\"]//a", result_callback, NULL);
     free(file_content);
-- 
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