piscine-c02/ex11/ft_putstr_non_printable.c

48 lines
1.4 KiB
C

/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* ft_putstr_non_printable.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: tischmid <marvin@42.fr> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2023/03/21 02:59:50 by tischmid #+# #+# */
/* Updated: 2023/03/24 01:04:50 by tischmid ### ########.fr */
/* */
/* ************************************************************************** */
#include <unistd.h>
#define HEX_ALPH "0123456789abcdef"
void ft_putstr_non_printable(char *str)
{
while (*str)
{
if (*str < 32)
{
write(1, "\\", 1);
write(1, &HEX_ALPH[*(unsigned char *) str / 16], 1);
write(1, &HEX_ALPH[*(unsigned char *) str % 16], 1);
}
else
write(1, str, 1);
++str;
}
}
/* ////
#include <stdio.h>
#define BUFSIZE 256
int main(void)
{
char s1[BUFSIZE];
for (int i = -128; i < 127; ++i)
{
s1[i + 128] = i ? i : 1;
}
ft_putstr_non_printable(s1);
return (0);
}
*/ ////