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conv_p.c
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conv_p.c
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/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* conv_p.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: ygokol <marvin@42.fr> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2017/03/27 18:56:17 by ygokol #+# #+# */
/* Updated: 2017/03/27 18:57:01 by ygokol ### ########.fr */
/* */
/* ************************************************************************** */
#include "libftprintf.h"
static int switch_hexa(int x)
{
if (0 <= x && x <= 9)
return (48 + x);
if (x >= 10 && x <= 15)
{
x = x - 10;
return (97 + x);
}
return (0);
}
char *conv_p(unsigned long long n)
{
char *str;
int size;
unsigned long long x;
x = n;
size = 0;
while (x >= 16)
{
x /= 16;
size++;
}
str = (char *)malloc(sizeof(str) * (size + 1));
if (str)
{
str[size + 1] = '\0';
while (size >= 0)
{
x = n % 16;
str[size] = switch_hexa(x);
n /= 16;
size--;
}
}
return (str);
}