Blame src/debug/ptyc_dbg_raw.c

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/*********************************************************/
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/*  ptycon: a pty-console bridge                         */
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/*  Copyright (C) 2016  Z. Gilboa                        */
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/*  Released under GPLv2 and GPLv3; see COPYING.PTYCON.  */
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/*********************************************************/
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#include <psxtypes/psxtypes.h>
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#include <ntcon/ntcon.h>
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#include <ntapi/ntapi.h>
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#include <gdi/gdi.h>
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#include <ptycon/ptycon.h>
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#include "ptycon_driver_impl.h"
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int __stdcall ptyc_dbg_raw(struct ptyc_driver_ctx_impl * ictx)
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{
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	int32_t		status;
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	void *		hwait;
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	char *		ch;
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	nt_iosb		iosb;
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	size_t		nbytes;
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	unsigned char	uch;
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	unsigned int	keyval;
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	char		xch[6] = {0,0,0,0,0,0};
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	if ((status = ntapi->tt_create_private_event(
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			&hwait,
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			NT_NOTIFICATION_EVENT,
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			NT_EVENT_NOT_SIGNALED)))
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		return status;
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	do {
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		status = ntapi->pty_read(
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			ictx->cctx.hpts,
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			hwait,0,0,
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			&iosb,
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			&uch,1,
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			0,0);
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		if (status == NT_STATUS_PENDING)
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			status = ntapi->zw_wait_for_single_object(
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				hwait,NT_SYNC_ALERTABLE,0);
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		if (status || iosb.status) {
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			ntapi->zw_close(hwait);
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			return status ? status : iosb.status;
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		}
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		ntapi->sprintf(xch,"0x%02x ",(keyval = uch));
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		nbytes = sizeof(xch) - 1;
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		for (ch=xch; nbytes; ) {
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			status = ntapi->pty_write(
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				ictx->cctx.hpts,
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				hwait,0,0,
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				&iosb,
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				ch,nbytes,
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				0,0);
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			if (status == NT_STATUS_PENDING)
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				status = ntapi->zw_wait_for_single_object(
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					hwait,NT_SYNC_ALERTABLE,0);
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			if (status || iosb.status) {
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				ntapi->zw_close(hwait);
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				return status ? status : iosb.status;
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			}
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			ch     += iosb.info;
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			nbytes -= iosb.info;
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		}
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	} while (1);
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}