ccid/src/debug.c

/*
    debug.c: log (or not) messages
    Copyright (C) 2003   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"

#ifdef DEBUG

#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;
        unsigned 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 ", buffer[i]);
                c += strlen(c);
        }

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

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

#endif

1	rousseau	269	/*
2			debug.c: log (or not) messages
3			Copyright (C) 2003 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			#ifdef DEBUG
29
30			#include <stdarg.h>
31			#include <stdio.h>
32			#include <string.h>
33
34			#define DEBUG_BUF_SIZE ((256+20)*3+10)
35
36			static char DebugBuffer[DEBUG_BUF_SIZE];
37
38			void debug_msg(char *fmt, ...)
39			{
40			va_list argptr;
41
42			va_start(argptr, fmt);
43			vsnprintf(DebugBuffer, DEBUG_BUF_SIZE, fmt, argptr);
44			va_end(argptr);
45
46			fprintf(stderr, "%s\n", DebugBuffer);
47			} /* debug_msg */
48
49			void debug_xxd(const char msg, const unsigned char buffer, const int len)
50			{
51			int i;
52			unsigned char c, debug_buf_end;
53
54			debug_buf_end = DebugBuffer + DEBUG_BUF_SIZE - 5;
55
56			strncpy(DebugBuffer, msg, sizeof(DebugBuffer)-1);
57			c = DebugBuffer + strlen(DebugBuffer);
58
59			for (i = 0; (i < len) && (c < debug_buf_end); ++i)
60			{
61			sprintf(c, "%02X ", buffer[i]);
62			c += strlen(c);
63			}
64
65			if (c >= debug_buf_end)
66			fprintf(stderr, "Debug buffer too short\n");
67
68			fprintf(stderr, "%s\n", DebugBuffer);
69			} /* debug_xxd */
70
71			#endif
72
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