Code

Started working on ext3/linux quotactl command.
[collectd.git] / src / quota_debug.h
1 /**
2  * collectd - src/quota_debug.h
3  * Copyright (C) 2005  Niki W. Waibel
4  *
5  * This program is free software; you can redistribute it and/
6  * or modify it under the terms of the GNU General Public Li-
7  * cence as published by the Free Software Foundation; either
8  * version 2 of the Licence, or any later version.
9  *
10  * This program is distributed in the hope that it will be use-
11  * ful, but WITHOUT ANY WARRANTY; without even the implied war-
12  * ranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
13  * See the GNU General Public Licence for more details.
14  *
15  * You should have received a copy of the GNU General Public
16  * Licence along with this program; if not, write to the Free
17  * Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139,
18  * USA.
19  *
20  * Author:
21  *   Niki W. Waibel <niki.waibel@gmx.net>
22 **/
24 #if !COLLECTD_QUOTA_DEBUG_H
25 #define COLLECTD_QUOTA_DEBUG_H 1
27 #include "common.h"
29 #define QUOTA_PLUGIN_DEBUG 1
30 #define QUOTA_PLUGIN_DEBUG_FILE "collectd_quota.log"
32 #if QUOTA_PLUGIN_DEBUG
33         #include <stdio.h>
34         extern FILE *QUOTA_DBG_FILE;
35         #define DBG(...) \
36         { \
37                 if(QUOTA_DBG_FILE != NULL) { \
38                         fprintf(QUOTA_DBG_FILE, "%s:%d:%s(): ", \
39                                 __FILE__, __LINE__, __func__); \
40                         fprintf(QUOTA_DBG_FILE, __VA_ARGS__); \
41                         fprintf(QUOTA_DBG_FILE, "\n"); \
42                         fflush(QUOTA_DBG_FILE); \
43                 } \
44         }
45         #define DBG_INIT(...) \
46         { \
47                 QUOTA_DBG_FILE = fopen(QUOTA_PLUGIN_DEBUG_FILE, "a"); \
48                 if(QUOTA_DBG_FILE == NULL) { \
49                         /* stderr is redirected to /dev/null, so you \
50                            will not see anything */ \
51                         fprintf(stderr, "Cannot open quota debug file.\n"); \
52                 } else { \
53                         DBG(__VA_ARGS__); \
54                 } \
55         }
56 #else /* !QUOTA_PLUGIN_DEBUG */
57         #define DBG(...) /**/
58         #define DBG_INIT(...) /**/
59 #endif /* QUOTA_PLUGIN_DEBUG */
61 #endif /* !COLLECTD_QUOTA_DEBUG_H */