#include <dlg/dlg.h>
#include <string.h>

static dlg_handler old_handler;
static void* old_data;

void pre_handler(const struct dlg_origin* origin, const char* string, void* data) {
	(void) data;
	if(origin->expr && strcmp(origin->expr, "10 + 10 == 100") == 0) {
		return;
	}

	old_handler(origin, string, old_data);
}

int main() {
	old_handler = dlg_get_handler(&old_data);
	dlg_set_handler(pre_handler, NULL);
	dlg_assertm(false, "Obviously false");
	dlg_assertm(10 + 10 == 100, "This won't be printed due to pre_handler");
}