utils.c

/* ************************************************************************** */
/*                                                                            */
/*                                                        :::      ::::::::   */
/*   utils.c                                            :+:      :+:    :+:   */
/*                                                    +:+ +:+         +:+     */
/*   By: abenheni <marvin@42.fr>                    +#+  +:+       +#+        */
/*                                                +#+#+#+#+#+   +#+           */
/*   Created: 2023/05/14 20:15:17 by abenheni          #+#    #+#             */
/*   Updated: 2023/05/14 20:15:18 by abenheni         ###   ########.fr       */
/*                                                                            */
/* ************************************************************************** */

#include "minishell.h"

int	ft_strcmp(char *s1, char *s2)
{
	int	i;

	i = 0;
	while (s1[i] && s2[i] && s1[i] == s2[i])
		i++;
	return (s1[i] - s2[i]);
}

int	ft_strncmp(const char *str1, const char *str2, size_t n)
{
	size_t	i;

	i = 0;
	if (n == 0)
		return (0);
	while ((str1[i] && str2[i]) && (str1[i] == str2[i]) && i < n - 1)
		i++;
	return ((unsigned char)str1[i] - (unsigned char)str2[i]);
}

int	ft_isalnum(int c)
{
	if ((c >= '0' && c <= '9') || (c >= 'a' && c <= 'z')
		|| (c >= 'A' && c <= 'Z') || c == '_')
		return (1);
	return (0);
}

int	ft_strlen(char *str)
{
	int	i;

	if (!str)
		return (0);
	i = 0;
	while (str[i])
		i++;
	return (i);
}

void	ft_putstr(char	*str)
{
	int	i;

	i = 0;
	while (str[i])
		write(1, &str[i++], 1);
}