Lines Matching refs:stack
40 void cil_stack_init(struct cil_stack **stack)
43 new_stack->stack = cil_malloc(sizeof(*(new_stack->stack)) * CIL_STACK_INIT_SIZE);
46 *stack = new_stack;
49 void cil_stack_destroy(struct cil_stack **stack)
51 if (stack == NULL || *stack == NULL) {
55 free((*stack)->stack);
56 free(*stack);
57 *stack = NULL;
60 void cil_stack_empty(struct cil_stack *stack)
62 stack->pos = -1;
65 int cil_stack_is_empty(struct cil_stack *stack)
67 return (stack->pos == -1);
70 int cil_stack_number_of_items(struct cil_stack *stack)
72 return stack->pos + 1;
75 void cil_stack_push(struct cil_stack *stack, enum cil_flavor flavor, void *data)
77 stack->pos++;
79 if (stack->pos == stack->size) {
80 stack->size *= 2;
81 stack->stack = cil_realloc(stack->stack, sizeof(*stack->stack) * stack->size);
84 stack->stack[stack->pos].flavor = flavor;
85 stack->stack[stack->pos].data = data;
88 struct cil_stack_item *cil_stack_pop(struct cil_stack *stack)
90 if (stack->pos == -1) {
94 stack->pos--;
95 return &stack->stack[stack->pos + 1];
98 struct cil_stack_item *cil_stack_peek(struct cil_stack *stack)
100 if (stack->pos < 0) {
104 return &stack->stack[stack->pos];
107 struct cil_stack_item *cil_stack_peek_at(struct cil_stack *stack, int pos)
109 int peekpos = stack->pos - pos;
111 if (peekpos < 0 || peekpos > stack->pos) {
115 return &stack->stack[peekpos];