2 This file is part of PulseAudio.
4 Copyright 2004-2006 Lennart Poettering
6 PulseAudio is free software; you can redistribute it and/or modify
7 it under the terms of the GNU Lesser General Public License as
8 published by the Free Software Foundation; either version 2.1 of the
9 License, or (at your option) any later version.
11 PulseAudio is distributed in the hope that it will be useful, but
12 WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 General Public License for more details.
16 You should have received a copy of the GNU Lesser General Public
17 License along with PulseAudio; if not, write to the Free Software
18 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
28 #include <pulse/xmalloc.h>
30 #include <pulsecore/core-util.h>
31 #include <pulsecore/log.h>
32 #include <pulsecore/macro.h>
33 #include <pulsecore/ltdl-helper.h>
37 #define PA_SYMBOL_AUTHOR "pa__get_author"
38 #define PA_SYMBOL_DESCRIPTION "pa__get_description"
39 #define PA_SYMBOL_USAGE "pa__get_usage"
40 #define PA_SYMBOL_VERSION "pa__get_version"
41 #define PA_SYMBOL_LOAD_ONCE "pa__load_once"
43 pa_modinfo
*pa_modinfo_get_by_handle(lt_dlhandle dl
, const char *module_name
) {
45 const char* (*func
)(void);
46 pa_bool_t (*func2
) (void);
50 i
= pa_xnew0(pa_modinfo
, 1);
52 if ((func
= (const char* (*)(void)) pa_load_sym(dl
, module_name
, PA_SYMBOL_AUTHOR
)))
53 i
->author
= pa_xstrdup(func());
55 if ((func
= (const char* (*)(void)) pa_load_sym(dl
, module_name
, PA_SYMBOL_DESCRIPTION
)))
56 i
->description
= pa_xstrdup(func());
58 if ((func
= (const char* (*)(void)) pa_load_sym(dl
, module_name
, PA_SYMBOL_USAGE
)))
59 i
->usage
= pa_xstrdup(func());
61 if ((func
= (const char* (*)(void)) pa_load_sym(dl
, module_name
, PA_SYMBOL_VERSION
)))
62 i
->version
= pa_xstrdup(func());
64 if ((func2
= (pa_bool_t (*)(void)) pa_load_sym(dl
, module_name
, PA_SYMBOL_LOAD_ONCE
)))
65 i
->load_once
= func2();
70 pa_modinfo
*pa_modinfo_get_by_name(const char *name
) {
76 if (!(dl
= lt_dlopenext(name
))) {
77 pa_log("Failed to open module \"%s\": %s", name
, lt_dlerror());
81 i
= pa_modinfo_get_by_handle(dl
, name
);
87 void pa_modinfo_free(pa_modinfo
*i
) {
91 pa_xfree(i
->description
);