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/********************************************************/
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/* ntapi: Native API core library */
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/* Copyright (C) 2013--2021 Z. Gilboa */
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/* Released under GPLv2 and GPLv3; see COPYING.NTAPI. */
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/********************************************************/
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#include <psxtypes/psxtypes.h>
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#include <ntapi/nt_tty.h>
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#include <ntapi/ntapi.h>
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#include "ntapi_impl.h"
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#define __MSGBUF_ELEMENTS (NT_LPC_MAX_MSG_DATA_SIZE/sizeof(size_t)) + 1
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int32_t __stdcall __ntapi_tty_query_server_pts_slot_info(
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__in void * hport,
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__out nt_tty_pts_slot_info * pts_slot_info,
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__in intptr_t blkidx)
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{
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int32_t status;
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nt_tty_server_msg * msg;
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uintptr_t msgbuf[__MSGBUF_ELEMENTS];
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__ntapi->tt_aligned_block_memset(
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msgbuf,0,
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sizeof(msgbuf));
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msg = (nt_tty_server_msg *)msgbuf;
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msg->header.msg_type = NT_LPC_NEW_MESSAGE;
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msg->header.data_size = sizeof(msg->data);
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msg->header.msg_size = sizeof(*msg);
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msg->data.ttyinfo.exarg = (void *)blkidx;
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msg->data.ttyinfo.opcode = NT_TTY_QUERY_INFORMATION_SERVER;
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msg->data.srvinfo.info_class = NT_TTY_SERVER_PTS_SLOT_INFORMATION;
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if ((status = __ntapi->zw_request_wait_reply_port(hport,msg,msg)))
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return status;
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else if (msg->data.ttyinfo.status)
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return msg->data.ttyinfo.status;
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if (sizeof(*pts_slot_info) < msg->data.srvinfo.info_length)
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return NT_STATUS_INTERNAL_ERROR;
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__ntapi->tt_generic_memcpy(
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pts_slot_info,
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msg->data.srvinfo.info_buffer,
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msg->data.srvinfo.info_length);
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return NT_STATUS_SUCCESS;
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}
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