added some debug output

1 files changed, 11 insertions, 3 deletions

diff --git a/src/table_stacks.c b/src/table_stacks.c
index 7f76edd..147ed7e 100644
--- a/src/table_stacks.c
+++ b/src/table_stacks.c
@@ -1,5 +1,6 @@
 #include <stdlib.h>
 #include <assert.h>
+#include <stdio.h>
 #include "table_stacks.h"
 #include "card_stack.h"
 #include "card.h"
@@ -10,13 +11,20 @@ const uint8_t get_stack_idx_for_card(const table_stacks_t* stack_list, const car
 	assert(stack_list != NULL);
 
 	uint8_t idx = NUM_TABLE_STACKS;
-	uint8_t old_diff = MAX_CARD;
+	int16_t old_diff = MAX_CARD;
 
+	fprintf(stderr, "selected card: %d\n", c);
 	for(int i=0; i<NUM_TABLE_STACKS; i++)
 	{
 		card stackcard = card_stack_top(&stack_list->stacks[i]);
-		uint8_t new_diff = c - stackcard;
-		assert(new_diff != 0);
+		int16_t new_diff = c - stackcard;
+		fprintf(stderr, "card on top of stack %d: %d\n", i, stackcard);
+		if(new_diff == 0)
+		{
+			fprintf(stderr, "assertion failed: new_diff != 0\n");
+			exit(EXIT_FAILURE);
+		}
+		//assert(new_diff != 0);
 
 		if(new_diff < 0) // open card smaller than card on current stack
 			continue;