libsepol/cil: Add function to get number of items in a stack

Add the function, cil_stack_number_of_items(), to return the number of items in the stack. Signed-off-by: James Carter <[email protected]>
SELinuxProject · Sep 8, 2021 · d0b5ba0 · d0b5ba0
1 parent c304156
commit d0b5ba0
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diff --git a/libsepol/cil/src/cil_stack.c b/libsepol/cil/src/cil_stack.c
@@ -67,6 +67,11 @@ int cil_stack_is_empty(struct cil_stack *stack)
 	return (stack->pos == -1);
 }
 
+int cil_stack_number_of_items(struct cil_stack *stack)
+{
+	return stack->pos + 1;
+}
+
 void cil_stack_push(struct cil_stack *stack, enum cil_flavor flavor, void *data)
 {
 	stack->pos++;

diff --git a/libsepol/cil/src/cil_stack.h b/libsepol/cil/src/cil_stack.h
@@ -52,6 +52,7 @@ void cil_stack_destroy(struct cil_stack **stack);
 
 void cil_stack_empty(struct cil_stack *stack);
 int cil_stack_is_empty(struct cil_stack *stack);
+int cil_stack_number_of_items(struct cil_stack *stack);
 
 void cil_stack_push(struct cil_stack *stack, enum cil_flavor flavor, void *data);
 struct cil_stack_item *cil_stack_pop(struct cil_stack *stack);