disabling leak detective at runtime by setting LEAK_DETECTIVE_DISABLE env var

src/libstrongswan/utils/leak_detective.c

@@ -409,18 +409,24 @@ void *realloc_hook(void *old, size_t bytes, const void *caller)
  * Setup leak detective
  */
 void __attribute__ ((constructor)) leak_detective_init()
+{
+	if (getenv("LEAK_DETECTIVE_DISABLE") == NULL)
 	{
 		install_hooks();
 	}
+}
 
 /**
  * Clean up leak detective
  */
 void __attribute__ ((destructor)) leak_detective_cleanup()
+{
+	if (getenv("LEAK_DETECTIVE_DISABLE") == NULL)
 	{
 		uninstall_hooks();
 		report_leaks();
 	}
+}
 
 /**
  * Log memory allocation statistics
@@ -431,6 +437,11 @@ void leak_detective_status(FILE *stream)
 	size_t bytes = 0;
 	memory_header_t *hdr = &first_header;
 	
+	if (getenv("LEAK_DETECTIVE_DISABLE"))
+	{
+		return;
+	}
+	
 	pthread_mutex_lock(&mutex);
 	while ((hdr = hdr->next))
 	{