31 lines
547 B
C
31 lines
547 B
C
/* $NetBSD: hexdump.c,v 1.2 2004/11/13 19:16:10 he Exp $ */
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#include <ctype.h>
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#include "ipf.h"
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void hexdump(out, addr, len, ascii)
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FILE *out;
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void *addr;
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int len, ascii;
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{
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FILE *fpout;
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u_char *s, *t;
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int i;
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fpout = out ? out : stdout;
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for (i = 0, s = addr; i < len; i++, s++) {
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fprintf(fpout, "%02x", *s);
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if (i % 16 == 15) {
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if (ascii != 0) {
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fputc('\t', fpout);
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for (t = s - 15; t<= s; t++)
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fputc(ISPRINT(*t) ? *t : '.', fpout);
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}
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fputc('\n', fpout);
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} else if (i % 4 == 3) {
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fputc(' ', fpout);
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}
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}
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}
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