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choose_option_5.c
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choose_option_5.c
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#include "monty.h"
/**
* m_stack - changes structure to stack
* @stack: address of doubly linked list
* @line_number: line number
*/
void m_stack(stack_t **stack, unsigned int line_number)
{
cmds *tmp = head;
(void)stack;
(void)line_number;
if (tmp->mode)
{
for (; tmp; tmp = tmp->next)
tmp->mode = 0;
}
}
/**
* m_pushq - push on queue mode
* @stack: address of doubly linked list
* @line_number: line number
*/
void m_pushq(stack_t **stack, unsigned int line_number)
{
stack_t *new_node = NULL;
new_node = malloc(sizeof(stack_t));
if (!new_node)
{
dprintf(STDERR_FILENO, "Error: malloc failed\n");
freell(stack);
exit(EXIT_FAILURE);
}
if (isint(head->cmd[1]))
{
dprintf(STDERR_FILENO, "L%d: usage: push integer\n", line_number);
freell(stack);
free(new_node);
exit(EXIT_FAILURE);
}
new_node->n = atoi(head->cmd[1]);
new_node->next = *stack;
new_node->prev = NULL;
if (*stack)
(*stack)->prev = new_node;
*stack = new_node;
}