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path: root/support/dktools/dk4hnamew.c
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/*
Copyright (C) 2015-2020, Dirk Krause
SPDX-License-Identifier: BSD-3-Clause
*/

/*
	WARNING: This file was generated by the dkct program (see
	http://dktools.sourceforge.net/ for details).
	Changes you make here will be lost if dkct is run again!
	You should modify the original source and run dkct on it.
	Original source: dk4hnamew.ctr
*/

/**	@file dk4hnamew.c The dk4hnamew module.
*/


#line 69 "dk4hnamew.ctr"

#include "dk4conf.h"
#include "dk4hnamew.h"

#if DK4_ON_WINDOWS
#ifndef WINDOWS_H_INCLUDED
#include <windows.h>
#define WINDOWS_H_INCLUDED 1
#endif
#endif

#if DK4_HAVE_UNISTD_H
#ifndef UNISTD_H_INCLUDED
#include <unistd.h>
#define	UNISTD_H_INCLUDED 1
#endif
#endif

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


int
dk4hostname_wc(wchar_t *buffer, size_t sz, dk4_er_t *erp)
{
#if DK4_ON_WINDOWS
  DWORD		 s;
#endif
  int		 back = 0;
#if	DK4_USE_ASSERT
  assert(NULL != buffer);
  assert(0 < sz);
#endif
  if ((NULL != buffer) && (0 < sz)) {
#if DK4_ON_WINDOWS
    if ((dk4_um_t)sz <= (dk4_um_t)0xFFFFFFFFUL) {
      s = (DWORD)sz;
      if (GetComputerNameExW(ComputerNameNetBIOS, buffer, &s)) {
        if ((size_t)s < sz) {
	  buffer[(size_t)s] = L'\0';
	  back = 1;
	} else {
	  dk4error_set_simple_error_code(erp, DK4_E_BUFFER_TOO_SMALL);
	}
      } else {
        dk4error_set_simple_error_code(erp, DK4_E_NOT_FOUND);
      }
    } else {
      dk4error_set_simple_error_code(erp, DK4_E_INVALID_ARGUMENTS);
    }
#else
    dk4error_set_simple_error_code(erp, DK4_E_NOT_SUPPORTED);
#endif
  } else {
    dk4error_set_simple_error_code(erp, DK4_E_INVALID_ARGUMENTS);
  }
  return back;
}