BCI-base/stack.c

#include <stdlib.h>
#include "stack.h"

char bci_stack_t_push(bci_stack_t * stack, uint16_t value)
{
	bci_stack_t node = malloc(sizeof(struct bci_stack_s));
	if(!node)
	{
		return 1;
	}
	node->next = *stack;
	node->value = value;
	*stack = node;
	return 0;
}
char bci_stack_t_pop(bci_stack_t * stack, uint16_t * result)
{
	bci_stack_t this_node;
	if(!*stack)
	{
		return 1;
	}
	this_node = *stack;
	*result = this_node->value;
	*stack = this_node->next;
	free(this_node);
	return 0;
}

void bci_stack_t_del(bci_stack_t * stack)
{
	bci_stack_t this_node;

	while(*stack)
	{
		this_node = *stack;
		*stack = this_node->next;
		free(this_node);
	}
}