Fixes #853 and adds a self check for duplicates

1 files changed, 18 insertions, 0 deletions

diff --git a/src/lib/ndpi_main.c b/src/lib/ndpi_main.c
index 4a187c9a9..5c016174b 100644
--- a/src/lib/ndpi_main.c
+++ b/src/lib/ndpi_main.c
@@ -691,6 +691,24 @@ static void destroy_hyperscan(struct ndpi_detection_module_struct *ndpi_str) {
 
 /* ******************************************************************** */
 
+/* Self check function to be called onli for testing purposes */
+void ndpi_self_check_host_match() {
+  u_int32_t i, j;
+  
+  for(i=0; host_match[i].string_to_match != NULL; i++) {
+    for(j=0; host_match[j].string_to_match != NULL; j++) {
+      if((i != j) && (strcmp(host_match[i].string_to_match, host_match[j].string_to_match) == 0)) {
+	printf("[INTERNAL ERROR]: Duplicate string detected '%s' [id: %u, id %u]\n",
+	       host_match[i].string_to_match, i, j);
+	printf("\nPlease fix host_match[] in ndpi_content_match.c.inc\n");
+	exit(0);
+      }
+    }
+  }
+}
+
+/* ******************************************************************** */
+
 static void init_string_based_protocols(struct ndpi_detection_module_struct *ndpi_str) {
   int i;