ccid/src/debug.c

/*
    debug.c: log (or not) messages
    Copyright (C) 2003-2004   Ludovic Rousseau

    This program is free software; you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
    the Free Software Foundation; either version 2 of the License, or
    (at your option) any later version.

    This program is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU General Public License for more details.

    You should have received a copy of the GNU General Public License
    along with this program; if not, write to the Free Software
    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
*/

/*
 * $Id$
 */


#include "config.h"
#include "debug.h"

#include <stdarg.h>
#include <stdio.h>
#include <string.h>

#define DEBUG_BUF_SIZE ((256+20)*3+10)

static char DebugBuffer[DEBUG_BUF_SIZE];

void debug_msg(char *fmt, ...)
{
        va_list argptr;

        va_start(argptr, fmt);
        vsnprintf(DebugBuffer, DEBUG_BUF_SIZE, fmt, argptr);
        va_end(argptr);

        fprintf(stderr, "%s\n", DebugBuffer);
} /* debug_msg */

void debug_xxd(const char *msg, const unsigned char *buffer, const int len)
{
        int i;
        char *c, *debug_buf_end;

        debug_buf_end = DebugBuffer + DEBUG_BUF_SIZE - 5;

        strncpy(DebugBuffer, msg, sizeof(DebugBuffer)-1);
        c = DebugBuffer + strlen(DebugBuffer);

        for (i = 0; (i < len) && (c < debug_buf_end); ++i)
        {
                sprintf(c, "%02X ", (unsigned char)buffer[i]);
                c += strlen(c);
        }

        if (c >= debug_buf_end)
                fprintf(stderr, "Debug buffer too short\n");

        fprintf(stderr, "%s\n", DebugBuffer);
} /* debug_xxd */

1	/*
2	debug.c: log (or not) messages
3	Copyright (C) 2003-2004 Ludovic Rousseau
4
5	This program is free software; you can redistribute it and/or modify
6	it under the terms of the GNU General Public License as published by
7	the Free Software Foundation; either version 2 of the License, or
8	(at your option) any later version.
9
10	This program is distributed in the hope that it will be useful,
11	but WITHOUT ANY WARRANTY; without even the implied warranty of
12	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13	GNU General Public License for more details.
14
15	You should have received a copy of the GNU General Public License
16	along with this program; if not, write to the Free Software
17	Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
18	*/
19
20	/*
21	* $Id$
22	*/
23
24
25	#include "config.h"
26	#include "debug.h"
27
28	#include <stdarg.h>
29	#include <stdio.h>
30	#include <string.h>
31
32	#define DEBUG_BUF_SIZE ((256+20)*3+10)
33
34	static char DebugBuffer[DEBUG_BUF_SIZE];
35
36	void debug_msg(char *fmt, ...)
37	{
38	va_list argptr;
39
40	va_start(argptr, fmt);
41	vsnprintf(DebugBuffer, DEBUG_BUF_SIZE, fmt, argptr);
42	va_end(argptr);
43
44	fprintf(stderr, "%s\n", DebugBuffer);
45	} /* debug_msg */
46
47	void debug_xxd(const char msg, const unsigned char buffer, const int len)
48	{
49	int i;
50	char c, debug_buf_end;
51
52	debug_buf_end = DebugBuffer + DEBUG_BUF_SIZE - 5;
53
54	strncpy(DebugBuffer, msg, sizeof(DebugBuffer)-1);
55	c = DebugBuffer + strlen(DebugBuffer);
56
57	for (i = 0; (i < len) && (c < debug_buf_end); ++i)
58	{
59	sprintf(c, "%02X ", (unsigned char)buffer[i]);
60	c += strlen(c);
61	}
62
63	if (c >= debug_buf_end)
64	fprintf(stderr, "Debug buffer too short\n");
65
66	fprintf(stderr, "%s\n", DebugBuffer);
67	} /* debug_xxd */
68
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