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utils_bonus.c
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utils_bonus.c
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/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* utils_bonus.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: yrigny <marvin@42.fr> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2024/01/08 19:14:56 by yrigny #+# #+# */
/* Updated: 2024/01/08 19:15:18 by yrigny ### ########.fr */
/* */
/* ************************************************************************** */
#include "push_swap_bonus.h"
long ft_atol(const char *str)
{
int i;
int sign;
long num;
i = 0;
sign = 1;
num = 0;
if (str[i] == '-')
{
sign = -1;
i++;
}
while (str[i] >= '0' && str[i] <= '9')
{
num = num * 10 + str[i] - '0';
i++;
}
return (sign * num);
}
t_stack *lastnb(t_stack *stack)
{
if (!stack)
return (NULL);
while (stack->next)
stack = stack->next;
return (stack);
}
void free_arg(char **arg)
{
int i;
i = 0;
while (arg[i])
i++;
while (--i >= 0)
free(arg[i]);
free(arg);
}
void free_stack(t_stack **stack)
{
t_stack *tmp;
tmp = NULL;
if (stack == NULL || *stack == NULL)
return ;
while (*stack)
{
tmp = (*stack)->next;
free(*stack);
*stack = tmp;
}
return ;
}