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ft_print_ptrs.c
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ft_print_ptrs.c
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/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* ft_print_nums.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: cvidot <[email protected]> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2023/07/16 11:04:10 by cvidot #+# #+# */
/* Updated: 2023/07/18 14:02:02 by cvidot ### ########.fr */
/* */
/* ************************************************************************** */
#include "ft_printf.h"
void ft_get_hex_str(uintptr_t ptr, char *hex_digits, int *hex_len)
{
int remainder;
*hex_len = 0;
while (ptr > 0)
{
remainder = ptr % 16;
hex_digits[*hex_len] = remainder;
ptr /= 16;
(*hex_len)++;
}
}
int ft_print_ptr(void *ptr)
{
uintptr_t int_ptr;
char hex_digits[16];
int printed_chars;
int hex_len;
printed_chars = 0;
hex_len = 0;
if (!ptr)
return (ft_print_str("(nil)"));
int_ptr = (uintptr_t)ptr;
ft_get_hex_str(int_ptr, hex_digits, &hex_len);
printed_chars += ft_print_str("0x");
while ((hex_len - 1) >= 0)
{
printed_chars += ft_print_hex(hex_digits[hex_len - 1], 'x');
hex_len--;
}
return (printed_chars);
}