subsystem interfaces: integrated __ntapi_tty_query_information_service().

1 files changed, 55 insertions, 0 deletions

diff --git a/src/tty/ntapi_tty_query_information_service.c b/src/tty/ntapi_tty_query_information_service.c
new file mode 100644
index 0000000..e3ea8b5
--- /dev/null
+++ b/src/tty/ntapi_tty_query_information_service.c
@@ -0,0 +1,55 @@
+/********************************************************/
+/*  ntapi: Native API core library                      */
+/*  Copyright (C) 2013--2017  Z. Gilboa                 */
+/*  Released under GPLv2 and GPLv3; see COPYING.NTAPI.  */
+/********************************************************/
+
+#include <psxtypes/psxtypes.h>
+#include <ntapi/nt_tty.h>
+#include <ntapi/nt_guid.h>
+#include <ntapi/ntapi.h>
+#include "ntapi_impl.h"
+
+int32_t	__stdcall __ntapi_tty_query_information_service(
+	__in	void *			hport,
+	__out	nt_io_status_block *	iosb,
+	__out	nt_tty_service_info *	svcinfo,
+	__in	const nt_guid *		guid,
+	__in	uint32_t		key,
+	__in	uint32_t		id)
+{
+	int32_t			status;
+	nt_tty_service_msg	msg;
+
+	__ntapi->tt_aligned_block_memset(
+		&msg,0,sizeof(msg));
+
+	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_SERVICE;
+	msg.data.svcinfo.key		= key;
+	msg.data.svcinfo.id		= id;
+
+	__ntapi->tt_guid_copy(
+		&msg.data.svcinfo.attr.guid,
+		guid);
+
+	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;
+
+	__ntapi->tt_generic_memcpy(
+		svcinfo,
+		&msg.data.svcinfo,
+		sizeof(*svcinfo));
+
+	iosb->status = NT_STATUS_SUCCESS;
+	iosb->info   = sizeof(*svcinfo);
+
+	return NT_STATUS_SUCCESS;
+}