ft_libft_utils.c

/* ************************************************************************** */
/*                                                                            */
/*                                                        :::      ::::::::   */
/*   ft_libft_utils.c                                   :+:      :+:    :+:   */
/*                                                    +:+ +:+         +:+     */
/*   By: ysoroko <ysoroko@student.42.fr>            +#+  +:+       +#+        */
/*                                                +#+#+#+#+#+   +#+           */
/*   Created: 2021/01/05 15:18:25 by ysoroko           #+#    #+#             */
/*   Updated: 2021/01/13 15:28:28 by ysoroko          ###   ########.fr       */
/*                                                                            */
/* ************************************************************************** */

#include "ft_printf.h"

void	ft_putchar_fd(char c, int fd)
{
	write(fd, &c, sizeof(char));
}

void	ft_putstr_fd(char *s, int fd)
{
	int i;

	i = 0;
	if (!s)
		return ;
	while (s[i] != '\0')
	{
		ft_putchar_fd(s[i], fd);
		i++;
	}
}

size_t	ft_strlen(const char *str)
{
	size_t i;

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

int		ft_isdigit(int c)
{
	if (c >= '0' && c <= '9')
		return (!0);
	return (0);
}

char	*ft_strchr(const char *str, int c)
{
	int		i;
	char	*my_str;

	if (!str)
		return (0);
	my_str = (char *)(str);
	i = -1;
	while (my_str[++i])
	{
		if (my_str[i] == c)
			return (&(my_str[i]));
	}
	if (my_str[i] == c)
		return (&(my_str[i]));
	return (0);
}