NXHANDLE nx_open(FAR NX_DRIVERTYPE *dev)
{
FAR struct nxfe_state_s *fe;
int ret;
/* Sanity checking */
#ifdef CONFIG_DEBUG
if (!dev)
{
errno = EINVAL;
return NULL;
}
#endif
/* Allocate the NX state structure. The user-space allocator is used
* (if available) for compatibility with the multi-user implementation.
*/
fe = (FAR struct nxfe_state_s *)kuzalloc(sizeof(struct nxfe_state_s));
if (!fe)
{
errno = ENOMEM;
return NULL;
}
/* Initialize and configure the server */
ret = nxsu_setup(dev, fe);
if (ret < 0)
{
return NULL; /* nxsu_setup sets errno */
}
/* Fill the initial background window */
nxbe_fill(&fe->be.bkgd, &fe->be.bkgd.bounds, fe->be.bgcolor);
return (NXHANDLE)fe;
}
NXHANDLE nx_open(FAR NX_DRIVERTYPE *dev)
{
FAR struct nxfe_state_s *fe;
int ret;
/* Sanity checking */
#ifdef CONFIG_DEBUG
if (!dev)
{
errno = EINVAL;
return NULL;
}
#endif
/* Allocate the NX state structure */
fe = (FAR struct nxfe_state_s *)zalloc(sizeof(struct nxfe_state_s));
if (!fe)
{
errno = ENOMEM;
return NULL;
}
/* Initialize and configure the server */
ret = nxsu_setup(dev, fe);
if (ret < 0)
{
return NULL; /* nxsu_setup sets errno */
}
/* Fill the initial background window */
nxbe_fill(&fe->be.bkgd, &fe->be.bkgd.bounds, fe->be.bgcolor);
return (NXHANDLE)fe;
}