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/* Driver Manager optional dynamic function interface
*
* COPYRIGHT (c) 2011.
* Cobham Gaisler AB.
*
* The license and distribution terms for this file may be
* found in the file LICENSE in this distribution or at
* http://www.rtems.com/license/LICENSE.
*/
#include <drvmgr/drvmgr.h>
/* Get Function from Function ID */
int drvmgr_func_get(void *obj, int funcid, void **func)
{
int objtype;
struct drvmgr_func *f;
if (!obj)
return DRVMGR_FAIL;
objtype = *(int *)obj;
if (objtype == DRVMGR_OBJ_BUS)
f = ((struct drvmgr_bus *)obj)->funcs;
else if (objtype == DRVMGR_OBJ_DRV)
f = ((struct drvmgr_drv *)obj)->funcs;
else
return DRVMGR_FAIL;
if (f == NULL)
return DRVMGR_FAIL;
while (f->funcid != DRVMGR_FUNCID_NONE) {
if (f->funcid == funcid) {
*func = f->func;
return DRVMGR_OK;
}
f++;
}
return DRVMGR_FAIL;
}
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