summaryrefslogtreecommitdiff
path: root/src/plugins/logger/logger-buffer.c
blob: 13dc5ec39870fedf45cd04ad2090eef559af5f9a (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
/*
 * Copyright (c) 2003-2008 by FlashCode <flashcode@flashtux.org>
 * See README for License detail, AUTHORS for developers list.
 *
 * 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 3 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, see <http://www.gnu.org/licenses/>.
 */

/* logger-buffer.c: manages logger buffer list */


#ifdef HAVE_CONFIG_H
#include "config.h"
#endif

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

#include "logger-buffer.h"


struct t_logger_buffer *logger_buffers = NULL;
struct t_logger_buffer *last_logger_buffer = NULL;


/*
 * logger_buffer_add: add a new buffer for logging
 */

struct t_logger_buffer *
logger_buffer_add (struct t_gui_buffer *buffer, char *log_filename)
{
    struct t_logger_buffer *new_logger_buffer;
    
    if (!buffer || !log_filename)
        return NULL;
    
    new_logger_buffer = (struct t_logger_buffer *)malloc (sizeof (struct t_logger_buffer));
    if (new_logger_buffer)
    {
        new_logger_buffer->buffer = buffer;
        new_logger_buffer->log_filename = strdup (log_filename);
        new_logger_buffer->log_file = NULL;
        new_logger_buffer->log_enabled = 1;
        
        new_logger_buffer->prev_buffer = last_logger_buffer;
        new_logger_buffer->next_buffer = NULL;
        if (logger_buffers)
            last_logger_buffer->next_buffer = new_logger_buffer;
        else
            logger_buffers = new_logger_buffer;
        last_logger_buffer = new_logger_buffer;
    }
    
    return new_logger_buffer;
}

/*
 * logger_buffer_search: search a logger buffer by buffer pointer
 */

struct t_logger_buffer *
logger_buffer_search (struct t_gui_buffer *buffer)
{
    struct t_logger_buffer *ptr_logger_buffer;
    
    for (ptr_logger_buffer = logger_buffers; ptr_logger_buffer;
         ptr_logger_buffer = ptr_logger_buffer->next_buffer)
    {
        if (ptr_logger_buffer->buffer == buffer)
            return ptr_logger_buffer;
    }
    
    /* logger buffer not found */
    return NULL;
}

/*
 * logger_buffer_free: remove a logger buffer from list
 */

void
logger_buffer_free (struct t_logger_buffer *logger_buffer)
{
    struct t_logger_buffer *new_logger_buffers;
    
    /* remove logger buffer */
    if (last_logger_buffer == logger_buffer)
        last_logger_buffer = logger_buffer->prev_buffer;
    if (logger_buffer->prev_buffer)
    {
        (logger_buffer->prev_buffer)->next_buffer = logger_buffer->next_buffer;
        new_logger_buffers = logger_buffers;
    }
    else
        new_logger_buffers = logger_buffer->next_buffer;
    
    if (logger_buffer->next_buffer)
        (logger_buffer->next_buffer)->prev_buffer = logger_buffer->prev_buffer;
    
    /* free data */
    if (logger_buffer->log_filename)
        free (logger_buffer->log_filename);
    
    logger_buffers = new_logger_buffers;
}

/*
 * logger_buffer_free_all: remove all buffers from list
 */

void
logger_buffer_free_all ()
{
    while (logger_buffers)
    {
        logger_buffer_free (logger_buffers);
    }
}