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%%	options

copyright owner	=	Dirk Krause
copyright year	=	2015-xxxx
SPDX-License-Identifier:	BSD-3-Clause



%%	header

/**	@file
	Obtain unique file identifier for path specified as dkChar string.
	On non-Windows systems the UFI consists of inode number and
	device number. On Windows systems the volume serial number,
	higher index number and lower index number are used.


	CRT on Windows: Not used.
*/

#ifndef	DK4CONF_H_INCLUDED
#if DK4_BUILDING_DKTOOLS4
#include "dk4conf.h"
#else
#include <dktools-4/dk4conf.h>
#endif
#endif

#ifndef DK4UFIT_H_INCLUDED
#if DK4_BUILDING_DKTOOLS4
#include "dk4ufit.h"
#else
#include <dktools-4/dk4ufit.h>
#endif
#endif

#ifndef DK4ERROR_H_INCLUDED
#if DK4_BUILDING_DKTOOLS4
#include "dk4error.h"
#else
#include <dktools-4/dk4error.h>
#endif
#endif

#ifdef __cplusplus
extern "C" {
#endif

/**	Retrieve unique file identifier (for symbolic links return
	information about link target).
	@param	dptr	Destination buffer.
	@param	fn	File name.
	@param	erp	Error report, may be NULL.
	@return	1 on success, 0 on error.
*/
int
dk4ufi_get(dk4_ufi_t *dptr, const dkChar *fn, dk4_er_t *erp);

/**	Retrieve unique file identifier (for link itself).
	@param	dptr	Destination buffer.
	@param	fn	File name.
	@param	erp	Error report, may be NULL.
	@return	1 on success, 0 on error.
*/
int
dk4ufi_get_l(dk4_ufi_t *dptr, const dkChar *fn, dk4_er_t *erp);

#ifdef __cplusplus
}
#endif


%%	module

#include "dk4conf.h"

#include "dk4ufi.h"

#if DK4_CHAR_SIZE > 1
#include "dk4ufiwc.h"
#else
#include "dk4ufi08.h"
#endif

#if	DK4_HAVE_ASSERT_H
#ifndef	ASSERT_H_INCLUDED
#include <assert.h>
#define	ASSERT_H_INCLUDED 1
#endif
#endif


int
dk4ufi_get(dk4_ufi_t *dptr, const dkChar *fn, dk4_er_t *erp)
{
#if	DK4_USE_ASSERT
  assert(NULL != dptr);
  assert(NULL != fn);
#endif
#if DK4_CHAR_SIZE > 1
  return (dk4ufi_get_wc(dptr, fn, erp));
#else
  return (dk4ufi_get_c8(dptr, fn, erp));
#endif
}



int
dk4ufi_get_l(dk4_ufi_t *dptr, const dkChar *fn, dk4_er_t *erp)
{
#if	DK4_USE_ASSERT
  assert(NULL != dptr);
  assert(NULL != fn);
#endif
#if DK4_CHAR_SIZE > 1
  return (dk4ufi_get_l_wc(dptr, fn, erp));
#else
  return (dk4ufi_get_l_c8(dptr, fn, erp));
#endif
}