sm64coopdx/lib/src/_Litob.c
2019-08-25 00:46:40 -04:00

54 lines
1.4 KiB
C

#include "libultra_internal.h"
#include <stdlib.h>
#include <string.h>
#include "printf.h"
#define BUFF_LEN 0x18
static u8 D_80334960[] = "0123456789abcdef";
static u8 D_80334974[] = "0123456789ABCDEF";
void _Litob(printf_struct *args, u8 type) {
u8 buff[BUFF_LEN];
const u8 *num_map;
s32 base;
s32 buff_ind;
u64 num;
lldiv_t quotrem;
if (type == 'X')
num_map = D_80334974;
else
num_map = D_80334960;
base = (type == 'o') ? 8 : ((type != 'x' && type != 'X') ? 10 : 16);
buff_ind = BUFF_LEN;
num = args->value.s64;
if ((type == 'd' || type == 'i') && args->value.s64 < 0)
num = -num;
if (num != 0 || args->precision != 0)
buff[--buff_ind] = num_map[num % base];
args->value.s64 = num / base;
while (args->value.s64 > 0 && buff_ind > 0) {
quotrem = lldiv(args->value.s64, base);
args->value.s64 = quotrem.quot;
buff[--buff_ind] = num_map[quotrem.rem];
}
args->part2_len = BUFF_LEN - buff_ind;
memcpy(args->buff, buff + buff_ind, args->part2_len);
if (args->part2_len < args->precision)
args->num_leading_zeros = args->precision - args->part2_len;
if (args->precision < 0 && (args->flags & (FLAGS_ZERO | FLAGS_MINUS)) == FLAGS_ZERO) {
buff_ind = args->width - args->part1_len - args->num_leading_zeros - args->part2_len;
if (buff_ind > 0)
args->num_leading_zeros += buff_ind;
}
}