alsa-lib-1.0.27.2/snd_dlobj_cache_get() の変更点

• 追加された行はこの色です。
• 削除された行はこの色です。
• alsa-lib-1.0.27.2/snd_dlobj_cache_get() へ行く。
• alsa-lib-1.0.27.2/snd_dlobj_cache_get() の差分を削除

*参照元 [#f8292365]
#backlinks

*説明 [#p19d67aa]
-パス: [[alsa-lib-1.0.27.2/src/dlmisc.c]]

-FIXME: これは何？
--説明


**引数 [#t14c5810]
-const char *lib
--
-const char *name
--
-const char *version
--
-int verbose
--


**返り値 [#m625f669]
-void *
--


**参考 [#o07e8426]


*実装 [#iadfcf30]
 void *snd_dlobj_cache_get(const char *lib, const char *name,
 			  const char *version, int verbose)
 {
 	struct list_head *p;
 	struct dlobj_cache *c;
 	void *func, *dlobj;
 
-
--[[alsa-lib-1.0.27.2/list_head]]
-
--[[alsa-lib-1.0.27.2/dlobj_cache]]

 	snd_dlobj_lock();
-
--[[alsa-lib-1.0.27.2/snd_dlobj_lock()]]

 	list_for_each(p, &pcm_dlobj_list) {
-
--[[alsa-lib-1.0.27.2/list_for_each()]]
-
--[[alsa-lib-1.0.27.2/pcm_dlobj_list(global)]]

 		c = list_entry(p, struct dlobj_cache, list);
 		if (c->lib && lib && strcmp(c->lib, lib) != 0)
 			continue;
 		if (!c->lib && lib)
 			continue;
 		if (!lib && c->lib)
 			continue;
 		if (strcmp(c->name, name) == 0) {
 			c->refcnt++;
 			func = c->func;
 			snd_dlobj_unlock();
 			return func;
 		}
 	}
 
-
--[[alsa-lib-1.0.27.2/list_entry()]]
-
--[[alsa-lib-1.0.27.2/snd_dlobj_unlock()]]

 	dlobj = snd_dlopen(lib, RTLD_NOW);
 	if (dlobj == NULL) {
 		if (verbose)
 			SNDERR("Cannot open shared library %s",
 						lib ? lib : "[builtin]");
 		snd_dlobj_unlock();
 		return NULL;
 	}
 
-
--[[alsa-lib-1.0.27.2/snd_dlopen()]]
-
--[[alsa-lib-1.0.27.2/SNDERR()]]

 	func = snd_dlsym(dlobj, name, version);
 	if (func == NULL) {
 		if (verbose)
 			SNDERR("symbol %s is not defined inside %s",
 					name, lib ? lib : "[builtin]");
 		goto __err;
 	}
-
--[[alsa-lib-1.0.27.2/snd_dlsym()]]

 	c = malloc(sizeof(*c));
 	if (! c)
 		goto __err;
 	c->refcnt = 1;
 	c->lib = lib ? strdup(lib) : NULL;
 	c->name = strdup(name);
 	if ((lib && ! c->lib) || ! c->name) {
 		free((void *)c->name);
 		free((void *)c->lib);
 		free(c);
 	      __err:
 		snd_dlclose(dlobj);
 		snd_dlobj_unlock();
 		return NULL;
 	}
-
--[[alsa-lib-1.0.27.2/snd_dlclose()]]

 	c->dlobj = dlobj;
 	c->func = func;
 	list_add_tail(&c->list, &pcm_dlobj_list);
 	snd_dlobj_unlock();
 	return func;
-
--[[alsa-lib-1.0.27.2/list_add_tail()]]

 }


*コメント [#f4cdfe17]