ft_strdup - chanhl22/libft GitHub Wiki

   1 /* ************************************************************************** */
  2 /*                                                                            */
  3 /*                                                        :::      ::::::::   */
  4 /*   ft_strdup.c                                        :+:      :+:    :+:   */
  5 /*                                                    +:+ +:+         +:+     */
  6 /*   By: chanhlee <[email protected].>       +#+  +:+       +#+        */
  7 /*                                                +#+#+#+#+#+   +#+           */
  8 /*   Created: 2021/01/21 16:06:21 by chanhlee          #+#    #+#             */
  9 /*   Updated: 2021/02/02 10:18:31 by chanhlee         ###   ########.fr       */
 10 /*                                                                            */
 11 /* ************************************************************************** */
 12 
 13 #include "libft.h"
 14 
 15 char    *ft_strdup(const char *s1)
 16 {
 17     char    *s2;
 18     int     i;
 19                                                                                           
 20     if(!(s2 = (char*)malloc(sizeof(char) * (ft_strlen(s1) + 1))))
 21         return (NULL);
 22     i = 0;
 23     while (s1[i] != '\0')
 24     {
 25         s2[i] = s1[i];
 26         i++;
 27     }
 28     s2[i] = '\0';
 29     return (s2);
 30 }