69 lines
1.7 KiB
C
69 lines
1.7 KiB
C
/* ************************************************************************** */
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/* */
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/* ::: :::::::: */
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/* itoa.c :+: :+: :+: */
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/* +:+ +:+ +:+ */
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/* By: maiboyer <marvin@42.fr> +#+ +:+ +#+ */
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/* +#+#+#+#+#+ +#+ */
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/* Created: 2023/08/03 21:05:46 by maiboyer #+# #+# */
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/* Updated: 2023/11/10 14:56:42 by maiboyer ### ########.fr */
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/* */
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/* ************************************************************************** */
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#include "me/convert/itoa.h"
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#include "me/mem/mem_set.h"
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#include "me/string/str_clone.h"
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#include <stdlib.h>
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static void me_itoa_inner(t_u64 nb, t_str out)
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{
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t_i32 modulus;
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bool need_print;
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char c;
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t_usize idx;
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need_print = false;
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modulus = 1000000000;
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idx = 0;
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while (modulus)
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{
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c = (char)(nb / modulus) + '0';
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if (c != '0' || need_print)
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{
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out[idx++] = c;
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need_print = true;
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}
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nb = nb % modulus;
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modulus /= 10;
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}
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}
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t_str me_itoa(t_i32 nb)
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{
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char out[12];
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t_u64 n;
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n = (t_u64)nb;
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mem_set(out, 0, 12);
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if (nb < 0)
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{
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out[0] = '-';
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me_itoa_inner(-n, out + 1);
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}
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else if (nb == 0)
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out[0] = '0';
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else
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me_itoa_inner(n, out);
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return (str_clone(out));
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}
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/*R
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int main(void)
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{
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me_putnbr(-2147483648);
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write(1, "\n", 1);
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me_putnbr(0);
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write(1, "\n", 1);
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me_putnbr(12345);
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return (0);
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}
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R*/
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