/***
This file is part of PulseAudio.
-
+
+ Copyright 2004-2006 Lennart Poettering
+
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 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
#endif
#include <ltdl.h>
-#include <assert.h>
#include <pulse/xmalloc.h>
#include <pulsecore/core-util.h>
#include <pulsecore/log.h>
+#include <pulsecore/macro.h>
+#include <pulsecore/ltdl-helper.h>
#include "modinfo.h"
#define PA_SYMBOL_USAGE "pa__get_usage"
#define PA_SYMBOL_VERSION "pa__get_version"
-/* lt_dlsym() violates ISO C, so confide the breakage into this function to
- * avoid warnings. */
-typedef void (*fnptr)(void);
-static inline fnptr lt_dlsym_fn(lt_dlhandle handle, const char *symbol) {
- return (fnptr) (long) lt_dlsym(handle, symbol);
-}
-
-pa_modinfo *pa_modinfo_get_by_handle(lt_dlhandle dl) {
+pa_modinfo *pa_modinfo_get_by_handle(lt_dlhandle dl, const char *module_name) {
pa_modinfo *i;
const char* (*func)(void);
- assert(dl);
+
+ pa_assert(dl);
i = pa_xnew0(pa_modinfo, 1);
- if ((func = (const char* (*)(void)) lt_dlsym_fn(dl, PA_SYMBOL_AUTHOR)))
+ if ((func = (const char* (*)(void)) pa_load_sym(dl, module_name, PA_SYMBOL_AUTHOR)))
i->author = pa_xstrdup(func());
- if ((func = (const char* (*)(void)) lt_dlsym_fn(dl, PA_SYMBOL_DESCRIPTION)))
+ if ((func = (const char* (*)(void)) pa_load_sym(dl, module_name, PA_SYMBOL_DESCRIPTION)))
i->description = pa_xstrdup(func());
- if ((func = (const char* (*)(void)) lt_dlsym_fn(dl, PA_SYMBOL_USAGE)))
+ if ((func = (const char* (*)(void)) pa_load_sym(dl, module_name, PA_SYMBOL_USAGE)))
i->usage = pa_xstrdup(func());
- if ((func = (const char* (*)(void)) lt_dlsym_fn(dl, PA_SYMBOL_VERSION)))
+ if ((func = (const char* (*)(void)) pa_load_sym(dl, module_name, PA_SYMBOL_VERSION)))
i->version = pa_xstrdup(func());
return i;
pa_modinfo *pa_modinfo_get_by_name(const char *name) {
lt_dlhandle dl;
pa_modinfo *i;
- assert(name);
+
+ pa_assert(name);
if (!(dl = lt_dlopenext(name))) {
- pa_log(__FILE__": Failed to open module \"%s\": %s", name, lt_dlerror());
+ pa_log("Failed to open module \"%s\": %s", name, lt_dlerror());
return NULL;
}
- i = pa_modinfo_get_by_handle(dl);
+ i = pa_modinfo_get_by_handle(dl, name);
lt_dlclose(dl);
return i;
}
void pa_modinfo_free(pa_modinfo *i) {
- assert(i);
+ pa_assert(i);
+
pa_xfree(i->author);
pa_xfree(i->description);
pa_xfree(i->usage);