ft_strace/libft/ft_strmapi.c

35 lines
1.3 KiB
C
Executable file

/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* ft_strmapi.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: thrieg <thrieg@student.42mulhouse.fr> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2024/10/15 16:38:47 by thrieg #+# #+# */
/* Updated: 2025/02/16 19:04:54 by thrieg ### ########.fr */
/* */
/* ************************************************************************** */
#include "libft.h"
//I don't know if I have to apply the function to the ending null char...
//return NULL if any argument is NULL or if any allocation fails
char *ft_strmapi(char const *s, char (*f)(unsigned int, char))
{
char *ret;
unsigned int i;
if (!s || !f)
return (NULL);
ret = malloc(sizeof(char) * (ft_strlen(s) + 1));
if (!ret)
return (NULL);
i = 0;
while (s[i])
{
ret[i] = f(i, s[i]);
i++;
}
ret[i] = '\0';
return (ret);
}