monty.c

#include "monty.h"
#include <stdio.h>
#include <string.h>

stack_t *head = NULL;

/**
 *main - entry point
 *@argc: argument count
 *@argv: argument vector
 *Return: 0 success
 */

int main(int argc, char *argv[])
{
	FILE *fp = NULL;
	char buffer[1024];
	unsigned int line = 1;

	if (argc != 2)
	{
		fprintf(stderr, "USAGE: monty file\n");
		exit(EXIT_FAILURE);
	}

	fp = fopen(argv[1], "r");
	if (fp == NULL || argv[1] == NULL)
	{
		fprintf(stderr, "Error: Can't open file %s\n", argv[1]);
		exit(EXIT_FAILURE);
	}

	while (fgets(buffer, 1024, fp) != NULL)
	{
		line_parse(buffer, line);
		line++;
	}


	fclose(fp);
	freenodes();
	return (0);
}


/**
*freenodes - frees nodes
*Return: void
*/

void freenodes(void)
{
	stack_t *temp;

	if (head == NULL)
		return;

	while (head != NULL)
	{
		temp = head;
		head = head->next;
		free(temp);
	}
}


/**
 * en_queue - adds a new node to the queue
 *
 * @newnode: pointer to node to be added
 * @line: line number
 */

void en_queue(stack_t **newnode, unsigned int line)
{
	stack_t *temp;
	(void)line;

	if (newnode == NULL || *newnode == NULL)
		exit(EXIT_FAILURE);
	if (head == NULL)
	{
		head = *newnode;
		return;
	}
	temp = head;
	while (temp->next != NULL)
		temp = temp->next;

	temp->next = *newnode;
	(*newnode)->prev = temp;

}