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/********************************************************/
/* ntapi: Native API core library */
/* Copyright (C) 2013--2021 SysDeer Technologies, LLC */
/* Released under GPLv2 and GPLv3; see COPYING.NTAPI. */
/********************************************************/
#include <psxtypes/psxtypes.h>
#include <ntapi/nt_tty.h>
#include <ntapi/ntapi.h>
#include "ntapi_impl.h"
#define __MSGBUF_ELEMENTS (NT_LPC_MAX_MSG_DATA_SIZE/sizeof(uintptr_t)) + 1
int32_t __stdcall __ntapi_tty_query_information_server(
__in void * hport,
__out nt_io_status_block * iosb,
__out void * tty_info,
__in uint32_t tty_info_length,
__in int tty_info_class)
{
int32_t status;
nt_tty_server_msg * msg;
uintptr_t msgbuf[__MSGBUF_ELEMENTS];
__ntapi->tt_aligned_block_memset(
msgbuf,0,
sizeof(msgbuf));
msg = (nt_tty_server_msg *)msgbuf;
msg->header.msg_type = NT_LPC_NEW_MESSAGE;
msg->header.data_size = sizeof(msg->data);
msg->header.msg_size = sizeof(*msg);
msg->data.ttyinfo.opcode = NT_TTY_QUERY_INFORMATION_SERVER;
msg->data.srvinfo.info_class = tty_info_class;
if (!hport)
hport = __ntapi_internals()->hport_tty_session;
if ((status = __ntapi->zw_request_wait_reply_port(hport,msg,msg)))
return status;
else if (msg->data.ttyinfo.status)
return msg->data.ttyinfo.status;
if (tty_info_length < msg->data.srvinfo.info_length)
return NT_STATUS_BUFFER_TOO_SMALL;
__ntapi->tt_generic_memcpy(
tty_info,
msg->data.srvinfo.info_buffer,
msg->data.srvinfo.info_length);
iosb->status = NT_STATUS_SUCCESS;
iosb->info = msg->data.srvinfo.info_length;
return NT_STATUS_SUCCESS;
}
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