42-archive/42-piscine-c/d05/ex23/ft_print_memory.c
2016-08-25 20:50:28 +02:00

111 lines
2.4 KiB
C

/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* ft_print_memory.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: jhalford <marvin@42.fr> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2016/08/07 12:03:14 by jhalford #+# #+# */
/* Updated: 2016/08/25 13:00:02 by jhalford ### ########.fr */
/* */
/* ************************************************************************** */
void ft_putchar(char c);
int get_size_23(char *str)
{
int i;
int j;
i = 0;
while (str[i] != '\0')
{
if (str[i] == '+' || str[i] == '-')
return (0);
if (str[i] < 32 || str[i] > 126)
return (0);
j = 0;
while (j < i)
{
if (str[j] == str[i])
return (0);
j++;
}
i++;
}
return (i);
}
void ft_putnbr_base_23(int nbr, char *base, int format)
{
int base_size;
int i;
int result[100];
base_size = get_size_23(base);
i = 0;
if (base_size > 1)
{
if (nbr < 0)
{
ft_putchar('-');
nbr = -nbr;
}
while (nbr)
{
result[i] = nbr % base_size;
nbr = nbr / base_size;
i++;
}
while (format-- > i)
ft_putchar(base[0]);
while (--i >= 0)
ft_putchar(base[result[i]]);
}
}
void ft_print_contents(int i, void *addr)
{
void *a;
int j;
ft_putchar(' ');
a = addr;
while (a - addr < 16)
{
if (*(char *)a < 32 || *(char *)a > 126)
ft_putchar('.');
else
ft_putchar(*(char *)a);
a++;
}
ft_putchar('\n');
}
void *ft_print_memory(void *addr, unsigned int size)
{
void *a;
while ((a - addr) < size || (a - addr) % 16)
{
if ((a - addr) % 16 == 0)
{
ft_putnbr_base_23((int)(a - addr), "0123456789abcdef", 8);
ft_putchar(':');
ft_putchar(' ');
}
if ((a - addr) % 2 == 0 && (a - addr) % 16 != 0)
ft_putchar(' ');
if ((a - addr) < size)
ft_putnbr_base_23(*(char *)a++, "0123456789abcdef", 2);
else
{
ft_putchar(' ');
ft_putchar(' ');
a++;
}
if ((a - addr) % 16 == 0)
ft_print_contents(a - addr, a - 16);
}
return (addr);
}