53 lines
1.5 KiB
C
53 lines
1.5 KiB
C
/* ************************************************************************** */
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/* */
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/* ::: :::::::: */
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/* hexdump.c :+: :+: :+: */
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/* +:+ +:+ +:+ */
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/* By: jhalford <jack@crans.org> +#+ +:+ +#+ */
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/* +#+#+#+#+#+ +#+ */
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/* Created: 2017/10/07 15:44:13 by jhalford #+# #+# */
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/* Updated: 2017/10/07 17:09:29 by jhalford ### ########.fr */
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/* */
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/* ************************************************************************** */
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#include "malloc_internal.h"
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int ft_dumpnbr_hex(char n)
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{
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if (n < 0xa)
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ft_putchar('0');
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return (ft_putnbr_loop(n, 16, 1));
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}
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static void print_hex_contents(void *addr, unsigned int size)
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{
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void *a;
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a = addr;
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while (a - addr < 16)
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{
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if ((a - addr) >= size)
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break ;
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else
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ft_dumpnbr_hex(*(unsigned char*)a);
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ft_putchar(' ');
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a++;
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}
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}
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void *hexdump(void *addr, unsigned int offset, unsigned int size)
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{
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void *a;
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addr += offset;
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a = addr;
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if (addr == NULL)
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return (addr);
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while ((a - addr) < size)
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{
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print_hex_contents(a, (size - (a - addr)));
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ft_putchar('\n');
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a += 16;
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}
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return (addr);
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}
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