libft/ft_strrchr.c at master · fausrguez/libft · GitHub

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/* ************************************************************************** */
/*                                                                            */
/*                                                        ::::::::            */
/*   ft_strrchr.c                                       :+:    :+:            */
/*                                                     +:+                    */
/*   By: farodrig <farodrig@student.codam.nl>         +#+                     */
/*                                                   +#+                      */
/*   Created: 2020/11/27 11:19:24 by farodrig      #+#    #+#                 */
/*   Updated: 2021/02/28 20:51:45 by farodrig      ########   odam.nl         */
/*                                                                            */
/* ************************************************************************** */

/*
** The strrchr() function locates the last occurrence of c (converted to a
** char) in the string pointed to by s. The terminating null character is
** considered to be part of the string; therefore if c is `\0', the functions
** locate the terminating `\0'.
*/

char	*ft_strrchr(char *str, int c)
{
	unsigned int	i;
	int				last_location;

	i = 0;
	last_location = -1;
	while (str[i] != '\0')
	{
		if (str[i] == c)
			last_location = i;
		i++;
	}
	if (str[i] == c)
		last_location = i;
	if (last_location > -1)
		return (str + last_location);
	return (0);
}