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find_target_node.c
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find_target_node.c
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/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* find_target_node.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: dnishsha <dnishsha@student.42berlin.d +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2023/07/10 10:21:24 by dnishsha #+# #+# */
/* Updated: 2023/07/10 10:21:26 by dnishsha ### ########.fr */
/* */
/* ************************************************************************** */
#include "push_swap.h"
t_stack_node *find_smallest(t_stack_node *stack)
{
t_stack_node *smallest_node;
if (!stack)
return (NULL);
smallest_node = stack;
while (stack)
{
if ((stack->value) < smallest_node->value)
smallest_node = stack;
stack = stack->next;
}
return (smallest_node);
}
size_t find_target_node(t_stack_node *stack, int value)
{
t_stack_node *target_node;
t_stack_node *curr_node;
target_node = NULL;
if (!stack)
return (0);
curr_node = stack;
while (curr_node)
{
if (((curr_node->value) > value) && (target_node == NULL
|| (target_node->value > (curr_node->value))))
{
target_node = curr_node;
}
curr_node = curr_node->next;
}
if (!target_node)
target_node = find_smallest(stack);
return (target_node->current_pos);
}