minishell/stdme/src/printf/formatter/ptr.c
2024-10-12 17:54:07 +02:00

73 lines
2.3 KiB
C

/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* ptr.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: maiboyer <maiboyer@student.42.fr> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2023/11/16 18:16:16 by maiboyer #+# #+# */
/* Updated: 2024/10/12 17:52:41 by rparodi ### ########.fr */
/* */
/* ************************************************************************** */
#include "me/mem/mem.h"
#include "me/printf/formatter/utils.h"
#include "me/str/str.h"
#define PTR_INLINE_BUF 17
static void fill_hex(t_str out_buf, t_u64 num, t_str base)
{
t_usize i;
mem_set(out_buf, 0, PTR_INLINE_BUF);
out_buf[PTR_INLINE_BUF - 1] = 0;
i = 0;
while (i < PTR_INLINE_BUF - 1)
{
out_buf[PTR_INLINE_BUF - i - 2] = base[(num >> (4 * i) & 15)];
i++;
}
}
static void set_values_for_nil(t_usize value, t_str *out, t_printf_arg *data,
t_printf_func f)
{
(void)(f);
if (value)
{
data->flags &= ~PRECISION;
data->extra.precision = 0;
data->extra.pretty = true;
}
else
{
*out = "(nil)";
data->extra.precision = 0;
data->extra.pretty = false;
data->flags &= ~(ZERO_ALIGN | PRECISION);
data->flags |= ALIGN;
}
}
void printf_p(t_printf_arg data, t_printf_func f)
{
t_u64 value;
char inline_buffer[PTR_INLINE_BUF + 1];
t_str start_num;
value = (t_u64)data.argument;
inline_buffer[0] = '0';
inline_buffer[1] = '\0';
if (value)
fill_hex(inline_buffer, value, "0123456789abcdef");
start_num = &inline_buffer[0];
inline_buffer[PTR_INLINE_BUF] = 0;
while (start_num[1] != '\0' && start_num[0] == '0')
start_num++;
set_values_for_nil(value, &start_num, &data, f);
pad_and_stuff(
(t_pad_and_stuff_args){\
.fill_zero = 0, .fill = 0, .len = str_len(start_num), .pretty = "0x", \
.pretty_len = 2, .str = start_num, .allow_zero_fill = value != 0, \
.sign = NULL, .sign_len = 0, }, data, f);
}