Disp_Obj *open_display(QSP_ARG_DECL const char *name,int desired_depth)
{
Disp_Obj *dop;
static int siz_done=0;
dop = new_disp_obj(QSP_ARG name);
if( dop == NO_DISP_OBJ ){
sprintf(ERROR_STRING, "Couldn't create object for display %s",
name);
NWARN(ERROR_STRING);
return(NO_DISP_OBJ);
}
if( dop_open(QSP_ARG dop) < 0 ){
return(NO_DISP_OBJ);
}
if( dop_setup(QSP_ARG dop,desired_depth) < 0 ){
/* Bug - XCloseDisplay?? */
/* need to destroy object here */
del_disp_obj(QSP_ARG dop);
rls_str((char *)dop->do_name);
return(NO_DISP_OBJ);
}
set_display(dop);
if( ! siz_done ){
siz_done++;
add_sizable(QSP_ARG disp_obj_itp,&dpy_sf, NULL );
}
return(dop);
}
/*
* Called for each open().
*
* We reject O_CREAT | O_TRUNC | O_EXCL | O_APPEND
*/
static int
dev_open(struct inode *node, uint32_t open_flags) {
if (open_flags & (O_CREAT | O_TRUNC | O_EXCL | O_APPEND)) {
return -E_INVAL;
}
struct device *dev = vop_info(node, device);
return dop_open(dev, open_flags);
}
/*
* Called for each open().
*
* We reject O_CREAT | O_TRUNC | O_EXCL | O_APPEND
*/
static int
dev_open(struct inode *node, struct file *filp) {
if (filp->open_flags & (O_CREAT | O_TRUNC | O_EXCL | O_APPEND)) {
return -E_INVAL;
}
struct device *dev = vop_info(node, device);
return dop_open(dev, node, filp);
}
static int yaffs_ucore_device_wrapper_initialise(struct yaffs_dev *dev)
{
struct device *ucore_dev = (struct device*)dev->os_context;
int ret = dop_open(ucore_dev, 0) == 0;
return ret;
}
