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
|
/*
* Copyright (c) 2004 by Hannu Savolainen < hannu@opensound.com>
*
* This library is free software; you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License version 2.1 as
* published by the Free Software Foundation.
*
* 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 Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
*/
#include <stdio.h>
#include "local.h"
snd_config_t *snd_config = NULL;
const char *
snd_strerror (int errnum)
{
if (errnum < 0)
errnum = -errnum;
return strerror (errnum);;
}
/**
* \brief Dumps the contents of a configuration node or tree.
* \param config Handle to the (root) configuration node.
* \param out Output handle.
* \return Zero if successful, otherwise a negative error code.
*/
int
snd_config_save (snd_config_t * config, snd_output_t * out)
{
dbg_printf ("snd_config_save()\n");
return 0;
}
/**
* \brief Searches for a node in a configuration tree.
* \param config Handle to the root of the configuration (sub)tree to search.
* \param key Search key: one or more node keys, separated with dots.
* \param result The function puts the handle to the node found at the address
* specified by \p result.
* \return Zero if successful, otherwise a negative error code.
*/
int
snd_config_search (snd_config_t * config, const char *key,
snd_config_t ** result)
{
dbg_printf ("snd_config_search()\n");
return 0;
}
/**
* \brief Updates #snd_config by rereading the global configuration files (if needed).
* \return A non-negative value if successful, otherwise a negative error code. * \retval 0 No action is needed.
* \retval 1 The configuration tree has been rebuilt.
*
* The global configuration files are specified in the environment variable
* \c ALSA_CONFIG_PATH. If this is not set, the default value is
* "/usr/share/alsa/alsa.conf".
*
* \warning If the configuration tree is reread, all string pointers and
* configuration node handles previously obtained from this tree become invalid.
*/
int
snd_config_update (void)
{
dbg_printf ("snd_config_update()\n");
return 0;
}
/**
* \brief Frees the global configuration tree in #snd_config.
* \return Zero if successful, otherwise a negative error code.
*/
int
snd_config_update_free_global (void)
{
dbg_printf ("snd_config_update_free_global()\n");
return 0;
}
/**
* \brief Sets the error handler.
* \param handler The pointer to the new error handler function.
*
* This function sets a new error handler, or (if \c handler is \c NULL)
* the default one which prints the error messages to \c stderr.
*/
int
snd_lib_error_set_handler (snd_lib_error_handler_t handler)
{
dbg_printf ("snd_lib_error_set_handler()\n");
return 0;
}
/**
* \brief Returns the ALSA sound library version in ASCII format
* \return The ASCII description of the used ALSA sound library.
*/
const char *snd_asoundlib_version(void)
{
return SND_LIB_VERSION_STR;
}
|
