/********************************************************/

/*  ntapi: Native API core library                      */

/*  Copyright (C) 2013--2016  Z. Gilboa                 */

/*  Released under GPLv2 and GPLv3; see COPYING.NTAPI.  */

/********************************************************/

#include <psxtypes/psxtypes.h>

#include <ntapi/nt_file.h>

#include <ntapi/ntapi.h>

#include "ntapi_impl.h"

static inline int __ntapi_uintptr_to_utf8(uintptr_t value,unsigned char * buf)

{

	int i,len;

	uintptr_t val;

	if (!value) {

		*buf = '0';

		len = 1;

	} else {

		for (len=0,val=value; val; val=val/10,len++);

		for (i=len,buf+=len-1; i; i--,buf--,value=value/10)

			*buf = '0' + (value % 10);

	}

	return len;

}

static inline ssize_t __ntapi_log_write(void * msg,uint32_t size)

{

	int32_t		status;

	void *		hlog;

	nt_iosb		iosb;

	uintptr_t	buffer[8] = {0};

	unsigned char *	ch = (unsigned char *)buffer;

	if (!(hlog = __ntapi_internals()->rtdata->hlog))

		return NT_STATUS_INVALID_HANDLE;

	*ch++ = '@';

	ch   += __ntapi_uintptr_to_utf8(

			pe_get_current_process_id(),

			ch);

	*ch++ = ':';

	ch   += __ntapi_uintptr_to_utf8(

			pe_get_current_thread_id(),

			ch);

	*ch++ = '@';

	*ch++ = ' ';

	__ntapi->zw_write_file(

		hlog,

		0,0,0,&iosb,

		buffer,

		(uint32_t)(ch-(unsigned char *)buffer),

		0,0);

	status = __ntapi->zw_write_file(

		hlog,

		0,0,0,&iosb,

		msg,

		(uint32_t)size,

		0,0);

	return status ? -1 : iosb.info;

}