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ft_strdup.c
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ft_strdup.c
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/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* ft_strdup.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: cjackows <cjackows@student.42.fr> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2022/06/11 22:27:00 by cjackows #+# #+# */
/* Updated: 2023/04/28 14:24:27 by cjackows ### ########.fr */
/* */
/* ************************************************************************** */
#include "../inc/libft.h"
/**
* @brief Function duplicates a string and returns a pointer
* pointing to the first byte of copied string. ||
* It tries to allocate (with malloc) enough memory to hold the old string
* (plus a '\0' character to mark the end of the string).
* @param s1 pointer to string that gets duplicated.
* @return char* Return the new address (which the caller is responsible for
* freeing at some point).
* If the allocation failed returns NULL.
*/
char *ft_strdup(char *s1)
{
char *output_str;
int i;
output_str = (char *)malloc(sizeof (char) * ft_strlen(s1) + 1);
i = 0;
if (!output_str)
return (NULL);
while (s1[i])
{
output_str[i] = s1[i];
i++;
}
output_str[i] = '\0';
return (output_str);
}
// int main(void)
// {
// char *src = "123456";
// char *str;
// str = ft_strdup(src);
// printf("%s \n", str);
// return 0;
// }