Tidied escaping xml

src/common.c

@@ -105,3 +105,16 @@ str_contains(char str[], int size, char ch)
 
     return 0;
 }
+
+char *
+encode_xml(const char * const xml)
+{
+    char *coded_msg = str_replace(xml, "&", "&");
+    char *coded_msg2 = str_replace(coded_msg, "<", "&lt;");
+    char *coded_msg3 = str_replace(coded_msg2, ">", "&gt;");
+
+    free(coded_msg);
+    free(coded_msg2);
+
+    return coded_msg3;
+}