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/***
This file is part of PulseAudio.
Copyright 2004-2006 Lennart Poettering
Copyright 2006 Pierre Ossman <ossman@cendio.se> for Cendio AB
PulseAudio is free software; you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as published
by the Free Software Foundation; either version 2.1 of the License,
or (at your option) any later version.
PulseAudio 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 Lesser General Public License
along with PulseAudio; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
USA.
***/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include <stdlib.h>
#include <ctype.h>
#include <pulse/xmalloc.h>
#include <pulse/util.h>
#include <pulsecore/core-util.h>
#include <pulsecore/macro.h>
#include "ltdl-helper.h"
pa_void_func_t pa_load_sym(lt_dlhandle handle, const char *module, const char *symbol) {
char *sn, *c;
pa_void_func_t f;
pa_assert(handle);
pa_assert(symbol);
*(void**) &f = lt_dlsym(handle, symbol);
if (f)
return f;
if (!module)
return NULL;
/* As the .la files might have been cleansed from the system, we should
* try with the ltdl prefix as well. */
sn = pa_sprintf_malloc("%s_LTX_%s", module, symbol);
for (c = sn; *c; c++)
if (!isalnum(*c))
*c = '_';
*(void**) &f = lt_dlsym(handle, sn);
pa_xfree(sn);
return f;
}
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