get_next_line_utils_bonus.c

/* ************************************************************************** */
/*                                                                            */
/*                                                        :::      ::::::::   */
/*   get_next_line_utils_bonus.c                        :+:      :+:    :+:   */
/*                                                    +:+ +:+         +:+     */
/*   By: rbiodies <marvin@42.fr>                    +#+  +:+       +#+        */
/*                                                +#+#+#+#+#+   +#+           */
/*   Created: 2021/10/20 11:18:27 by rbiodies          #+#    #+#             */
/*   Updated: 2021/10/20 14:55:16 by rbiodies         ###   ########.fr       */
/*                                                                            */
/* ************************************************************************** */

#include "get_next_line_bonus.h"

size_t	ft_strlen(char const *s)
{
	unsigned long int	len;

	len = 0;
	while (s[len] != '\0')
		len++;
	return (len);
}

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

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

char	*ft_strchr(const char *s, int c)
{
	int		i;
	char	ch;

	i = 0;
	ch = (char)c;
	while (s[i] != '\0' && s[i] != ch)
		i++;
	if (s[i] == ch)
		return ((char *)s);
	return ((void *)0);
}

char	*ft_strdup(const char *s1)
{
	int		i;
	char	*buffer;

	i = 0;
	buffer = (char *)malloc(ft_strlen(s1) + 1);
	if (buffer == NULL)
		return (0);
	while (s1[i] != '\0')
	{
		buffer[i] = s1[i];
		i++;
	}
	buffer[i] = '\0';
	return (buffer);
}

size_t	ft_strlcpy(char *dst, const char *src, size_t dstsize)
{
	size_t	i;

	i = 0;
	if (dstsize > 0)
	{
		while (dstsize != 1 && src[i] != '\0')
		{
			dst[i] = src[i];
			i++;
			dstsize--;
		}
		dst[i] = '\0';
	}
	while (src[i] != '\0')
		i++;
	return (i);
}