mirror of
https://gitlab.freedesktop.org/pulseaudio/pulseaudio.git
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a9ca9c4a3b
git-svn-id: file:///home/lennart/svn/public/pulseaudio/trunk@191 fefdeb5f-60dc-0310-8127-8f9354f1896f
84 lines
2.3 KiB
C
84 lines
2.3 KiB
C
/* $Id$ */
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/***
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This file is part of polypaudio.
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polypaudio is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published
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by the Free Software Foundation; either version 2 of the License,
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or (at your option) any later version.
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polypaudio is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with polypaudio; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
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USA.
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***/
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#ifdef HAVE_CONFIG_H
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#include <config.h>
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#endif
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#include <ltdl.h>
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#include <assert.h>
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#include "xmalloc.h"
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#include "util.h"
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#include "modinfo.h"
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#include "log.h"
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#define PA_SYMBOL_AUTHOR "pa__get_author"
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#define PA_SYMBOL_DESCRIPTION "pa__get_description"
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#define PA_SYMBOL_USAGE "pa__get_usage"
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#define PA_SYMBOL_VERSION "pa__get_version"
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struct pa_modinfo *pa_modinfo_get_by_handle(lt_dlhandle dl) {
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struct pa_modinfo *i;
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const char* (*func)(void);
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assert(dl);
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i = pa_xmalloc0(sizeof(struct pa_modinfo));
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if ((func = (const char* (*)(void)) lt_dlsym(dl, PA_SYMBOL_AUTHOR)))
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i->author = pa_xstrdup(func());
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if ((func = (const char* (*)(void)) lt_dlsym(dl, PA_SYMBOL_DESCRIPTION)))
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i->description = pa_xstrdup(func());
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if ((func = (const char* (*)(void)) lt_dlsym(dl, PA_SYMBOL_USAGE)))
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i->usage = pa_xstrdup(func());
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if ((func = (const char* (*)(void)) lt_dlsym(dl, PA_SYMBOL_VERSION)))
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i->version = pa_xstrdup(func());
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return i;
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}
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struct pa_modinfo *pa_modinfo_get_by_name(const char *name) {
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lt_dlhandle dl;
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struct pa_modinfo *i;
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assert(name);
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if (!(dl = lt_dlopenext(name))) {
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pa_log(__FILE__": Failed to open module \"%s\": %s\n", name, lt_dlerror());
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return NULL;
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}
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i = pa_modinfo_get_by_handle(dl);
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lt_dlclose(dl);
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return i;
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}
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void pa_modinfo_free(struct pa_modinfo *i) {
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assert(i);
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pa_xfree(i->author);
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pa_xfree(i->description);
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pa_xfree(i->usage);
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pa_xfree(i->version);
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pa_xfree(i);
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}
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