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66 lines
1.7 KiB
C
66 lines
1.7 KiB
C
/***
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This file is part of PulseAudio.
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Copyright 2004-2006 Lennart Poettering
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Copyright 2006 Pierre Ossman <ossman@cendio.se> for Cendio AB
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PulseAudio is free software; you can redistribute it and/or modify
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it under the terms of the GNU Lesser 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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PulseAudio 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 Lesser General Public License
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along with PulseAudio; 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 <stdlib.h>
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#include <ctype.h>
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#include <pulse/xmalloc.h>
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#include <pulse/util.h>
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#include <pulsecore/core-util.h>
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#include <pulsecore/macro.h>
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#include "ltdl-helper.h"
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pa_void_func_t pa_load_sym(lt_dlhandle handle, const char *module, const char *symbol) {
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char *sn, *c;
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pa_void_func_t f;
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pa_assert(handle);
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pa_assert(symbol);
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*(void**) &f = lt_dlsym(handle, symbol);
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if (f)
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return f;
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if (!module)
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return NULL;
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/* As the .la files might have been cleansed from the system, we should
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* try with the ltdl prefix as well. */
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sn = pa_sprintf_malloc("%s_LTX_%s", module, symbol);
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for (c = sn; *c; c++)
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if (!isalnum(*c))
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*c = '_';
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*(void**) &f = lt_dlsym(handle, sn);
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pa_xfree(sn);
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return f;
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}
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