69 lines
1.6 KiB
C
69 lines
1.6 KiB
C
/* $Id$
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*****************************************************************************
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*
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* File: utils.c
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*
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* Author: Damien S. Stuart
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*
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* Purpose: General/Generic functions for the fwknop client.
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*
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* Copyright (C) 2009 Damien Stuart (dstuart@dstuart.org)
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*
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* License (GNU Public License):
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
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* USA
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*
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*****************************************************************************
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*/
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#include <stdio.h>
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#include <string.h>
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#include "utils.h"
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/* Generic hex dump function.
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*/
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void
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hex_dump(unsigned char *data, int size)
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{
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int ln, i, j = 0;
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char ascii_str[17] = {0};
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for(i=0; i<size; i++)
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{
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if((i % 16) == 0)
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{
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printf(" %s\n 0x%.4x: ", ascii_str, i);
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memset(ascii_str, 0x0, 17);
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j = 0;
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}
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printf("%.2x ", data[i]);
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ascii_str[j++] = (data[i] < 0x20 || data[i] > 0x7e) ? '.' : data[i];
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if(j == 8)
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printf(" ");
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}
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/* Remainder...
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*/
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ln = strlen(ascii_str);
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if(ln > 0)
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{
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for(i=0; i < 16-ln; i++)
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printf(" ");
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printf(" %s\n\n", ascii_str);
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}
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}
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/***EOF***/
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