54 lines
1.4 KiB
C
Executable file
54 lines
1.4 KiB
C
Executable file
/* ************************************************************************** */
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/* */
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/* ::: :::::::: */
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/* ft_itoa.c :+: :+: :+: */
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/* +:+ +:+ +:+ */
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/* By: exam <marvin@42.fr> +#+ +:+ +#+ */
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/* +#+#+#+#+#+ +#+ */
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/* Created: 2016/08/12 19:34:47 by exam #+# #+# */
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/* Updated: 2016/08/25 18:15:18 by jhalford ### ########.fr */
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/* */
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/* ************************************************************************** */
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#include <stdlib.h>
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#define ABS(x) (x < 0 ? -x : x)
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char *ft_itoa(int nbr)
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{
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char *res;
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char *start;
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long pow;
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int len;
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len = 1;
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pow = 1;
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while (nbr >= pow * 10)
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{
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pow *= 10;
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len++;
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}
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res = (char *)malloc(sizeof(char) * (len + 10));
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start = res;
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if (nbr < 0)
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{
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*res = '-';
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res++;
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}
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while (pow)
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{
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*res = ABS(nbr / pow) + '0';
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nbr = ABS(nbr % pow);
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pow /= 10;
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res++;
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len--;
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}
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*res = '\0';
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return (start);
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}
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#include <stdio.h>
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int main()
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{
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int nb = -2147483648;
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printf("%s\n", ft_itoa(nb));
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}
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