Fix warning

1 files changed, 14 insertions, 1 deletions

diff --git a/src/HtmlParser.c b/src/HtmlParser.c
index 31a5e70..709196e 100644
--- a/src/HtmlParser.c
+++ b/src/HtmlParser.c
@@ -71,18 +71,31 @@ static int is_newline(int c) {
 
 static void lstrip(const char *str, size_t size, const char **output_str, size_t *output_size, int(*strip_filter_func)(int)) {
     size_t i = 0;
+    if(size == 0) {
+        *output_str = str;
+        *output_size = size;
+        return;
+    }
+
     while(i < size && strip_filter_func(str[i])) {
         ++i;
     }
+
     *output_str = str + i;
     *output_size = size - i;
 }
 
 static void rstrip(const char *str, size_t size, size_t *output_size, int(*strip_filter_func)(int)) {
-    long i = size - 1;
+    long i = (long)size - 1;
+    if(size == 0) {
+        *output_size = size;
+        return;
+    }
+
     while(i >= 0 && strip_filter_func(str[i])) {
         --i;
     }
+
     *output_size = i + 1;
 }