get_next_line_utils.c

/* ************************************************************************** */
/*                                                                            */
/*                                                        :::      ::::::::   */
/*   get_next_line_utils.c                              :+:      :+:    :+:   */
/*                                                    +:+ +:+         +:+     */
/*   By: agaliste <agaliste@student.42.fr>          +#+  +:+       +#+        */
/*                                                +#+#+#+#+#+   +#+           */
/*   Created: 2021/02/04 09:09:13 by agaliste          #+#    #+#             */
/*   Updated: 2021/08/29 04:29:39 by agaliste         ###   ########.fr       */
/*                                                                            */
/* ************************************************************************** */

#include "get_next_line.h"

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

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

char	*ft_strjoin(const char *s1, const char *s2)
{
	char			*str;
	unsigned int	i;
	unsigned int	j;

	if (s1 == NULL || s2 == NULL)
		return (NULL);
	str = malloc((sizeof(char) * ft_strlen(s1) + ft_strlen(s2)) + 1);
	if (str == NULL)
		return (NULL);
	i = 0;
	j = 0;
	while (s1[i])
		str[j++] = s1[i++];
	i = 0;
	while (s2[i])
		str[j++] = s2[i++];
	str[ft_strlen(s1) + ft_strlen(s2)] = '\0';
	return (str);
}

char	*ft_strchr(const char *s, int n)
{
	char	*ret;

	if (!s)
		return (NULL);
	ret = (char *)s;
	while (*ret != n)
	{
		if (*ret == '\0')
			return (NULL);
		ret++;
	}
	return (ret);
}

void	ft_bzero(void *s, size_t n)
{
	size_t	i;

	i = 0;
	while (i < n)
	{
		((char *)s)[i] = 0;
		i++;
	}
}

void	*ft_memcpy(void *dst, const void *src, size_t n)
{
	size_t	i;

	i = 0;
	if (!dst && !src)
		return (NULL);
	while (i < n)
	{
		((char *)dst)[i] = ((const char *)src)[i];
		i++;
	}
	return (dst);
}