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C/c07/ex03/ft_strjoin.c

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+/* ************************************************************************** */
+/*                                                                            */
+/*                                                        :::      ::::::::   */
+/*   ft_strjoin.c                                       :+:      :+:    :+:   */
+/*                                                    +:+ +:+         +:+     */
+/*   By: cchauvet <cchauvet@student.42angoulem      +#+  +:+       +#+        */
+/*                                                +#+#+#+#+#+   +#+           */
+/*   Created: 2022/07/24 13:29:37 by cchauvet          #+#    #+#             */
+/*   Updated: 2022/07/24 14:44:52 by cchauvet         ###   ########.fr       */
+/*                                                                            */
+/* ************************************************************************** */
+
+#include <stdlib.h>
+
+int	ft_strlen(char *str)
+{
+	char	i;
+
+	i = 0;
+	while (str[i] != 0)
+		i++;
+}
+
+char	*ft_strcat(char *dest, char *src)
+{
+	int	i;
+	int	j;
+
+	j = 0;
+	i = 0;
+	while (dest[i] != 0)
+		i++;
+	while (src[j] != 0)
+	{
+		dest[i + j] = src[j];
+		j++;
+	}
+	dest[i + j] = 0;
+	return (dest);
+}
+
+char	*ft_strjoin(int size, char **strs, char *sep)
+{
+	int		i;
+	int		word_counter;
+	char	*out;
+
+	if (size == 0)
+	{
+		*out = malloc(sizeof(*out));
+		*out = "";
+		return (out);
+	}
+	i = 0;
+	while (i < size)
+	{
+		word_counter += ft_strlen(strs[i]);
+		word_counter += ft_strlen(sep);
+		i++;
+	}
+	out = malloc(sizeof(*out) * word_counter);
+	i = 0;
+	while (i < size)
+	{
+		ft_strcat(out, strs[i++]);
+		ft_strcat(out, sep);
+	}
+	return (out);
+}