icuSources/common/cwchar.h

   1 // © 2016 and later: Unicode, Inc. and others.
   2 // License & terms of use: http://www.unicode.org/copyright.html
   3 /*
   4 ******************************************************************************
   5 *
   6 *   Copyright (C) 2001, International Business Machines
   7 *   Corporation and others.  All Rights Reserved.
   8 *
   9 ******************************************************************************
  10 *   file name:  cwchar.h
  11 *   encoding:   UTF-8
  12 *   tab size:   8 (not used)
  13 *   indentation:4
  14 *
  15 *   created on: 2001may25
  16 *   created by: Markus W. Scherer
  17 *
  18 *   This file contains ICU-internal definitions of wchar_t operations.
  19 *   These definitions were moved here from cstring.h so that fewer
  20 *   ICU implementation files include wchar.h.
  21 */
  22
  23 #ifndef __CWCHAR_H__
  24 #define __CWCHAR_H__
  25
  26 #include <string.h>
  27 #include <stdlib.h>
  28 #include "unicode/utypes.h"
  29
  30 /* Do this after utypes.h so that we have U_HAVE_WCHAR_H . */
  31 #if U_HAVE_WCHAR_H
  32 #   include <wchar.h>
  33 #endif
  34
  35 /*===========================================================================*/
  36 /* Wide-character functions                                                  */
  37 /*===========================================================================*/
  38
  39 /* The following are not available on all systems, defined in wchar.h or string.h. */
  40 #if U_HAVE_WCSCPY
  41 #   define uprv_wcscpy wcscpy
  42 #   define uprv_wcscat wcscat
  43 #   define uprv_wcslen wcslen
  44 #else
  45 U_CAPI wchar_t* U_EXPORT2
  46 uprv_wcscpy(wchar_t *dst, const wchar_t *src);
  47 U_CAPI wchar_t* U_EXPORT2
  48 uprv_wcscat(wchar_t *dst, const wchar_t *src);
  49 U_CAPI size_t U_EXPORT2
  50 uprv_wcslen(const wchar_t *src);
  51 #endif
  52
  53 /* The following are part of the ANSI C standard, defined in stdlib.h . */
  54 #define uprv_wcstombs(mbstr, wcstr, count) U_STANDARD_CPP_NAMESPACE wcstombs(mbstr, wcstr, count)
  55 #define uprv_mbstowcs(wcstr, mbstr, count) U_STANDARD_CPP_NAMESPACE mbstowcs(wcstr, mbstr, count)
  56
  57
  58 #endif