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%%	options

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

%%	header

/**	@file
	Retrieve host name in dkChar characters.

	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 DK4TYPES_H_INCLUDED
#if DK4_BUILDING_DKTOOLS4
#include "dk4types.h"
#else
#include <dktools-4/dk4types.h>
#endif
#endif

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

#if DK4_CHAR_SIZE > 1
#ifndef DK4HNAMEW_H_INCLUDED
#if DK4_BUILDING_DKTOOLS4
#include "dk4hnamew.h"
#else
#include <dktools-4/dk4hnamew.h>
#endif
#endif
#else
#ifndef DK4HNAME8_H_INCLUDED
#if DK4_BUILDING_DKTOOLS4
#include "dk4hname8.h"
#else
#include <dktools-4/dk4hname8.h>
#endif
#endif
#endif


#ifdef __cplusplus
extern "C" {
#endif

/**	Retrieve host name (short host name without any domain).
	@param	buffer	Result buffer.
	@param	sz	Result buffer size (number of dkChar).
	@param	erp	Error report, may be NULL.
	@return	1 on success, 0 on error.
	
	Error codes:
	- DK4_E_INVALID_ARGUMENTS<br>
	  if buffer is NULL or sz is 0 or sz is too large,
	- DK4_E_NOT_FOUND<br>
	  if the system function to retrieve the host name failed,
	- DK4_E_BUFFER_TOO_SMALL<br>
	  if the result buffer is too small.
*/
int
dk4hostname(dkChar *buffer, size_t sz, dk4_er_t *erp);

#ifdef __cplusplus
}
#endif

%%	module

#include "dk4conf.h"
#include "dk4hnamed.h"

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



int
dk4hostname(dkChar *buffer, size_t sz, dk4_er_t *erp)
{
#if	DK4_USE_ASSERT
  assert(NULL != buffer);
  assert(0 < sz);
#endif
#if DK4_CHAR_SIZE > 1
  return (dk4hostname_wc(buffer, sz, erp));
#else
  return (dk4hostname_c8(buffer, sz, erp));
#endif
}