CMake/Source/kwsys/EncodingC.c

80 lines
2.0 KiB
C

/*============================================================================
KWSys - Kitware System Library
Copyright 2000-2009 Kitware, Inc., Insight Software Consortium
Distributed under the OSI-approved BSD License (the "License");
see accompanying file Copyright.txt for details.
This software is distributed WITHOUT ANY WARRANTY; without even the
implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
See the License for more information.
============================================================================*/
#include "kwsysPrivate.h"
#include KWSYS_HEADER(Encoding.h)
/* Work-around CMake dependency scanning limitation. This must
duplicate the above list of headers. */
#if 0
# include "Encoding.h.in"
#endif
#include <stdlib.h>
#ifdef _WIN32
#include <windows.h>
#endif
size_t kwsysEncoding_mbstowcs(wchar_t* dest, const char* str, size_t n)
{
if(str == 0)
{
return (size_t)-1;
}
#ifdef _WIN32
return MultiByteToWideChar(KWSYS_ENCODING_DEFAULT_CODEPAGE, 0,
str, -1, dest, (int)n) - 1;
#else
return mbstowcs(dest, str, n);
#endif
}
wchar_t* kwsysEncoding_DupToWide(const char* str)
{
wchar_t* ret = NULL;
size_t length = kwsysEncoding_mbstowcs(NULL, str, 0) + 1;
if(length > 0)
{
ret = malloc((length)*sizeof(wchar_t));
ret[0] = 0;
kwsysEncoding_mbstowcs(ret, str, length);
}
return ret;
}
size_t kwsysEncoding_wcstombs(char* dest, const wchar_t* str, size_t n)
{
if(str == 0)
{
return (size_t)-1;
}
#ifdef _WIN32
return WideCharToMultiByte(KWSYS_ENCODING_DEFAULT_CODEPAGE, 0, str, -1,
dest, (int)n, NULL, NULL) - 1;
#else
return wcstombs(dest, str, n);
#endif
}
char* kwsysEncoding_DupToNarrow(const wchar_t* str)
{
char* ret = NULL;
size_t length = kwsysEncoding_wcstombs(0, str, 0);
if(length > 0)
{
ret = malloc(length);
ret[0] = 0;
kwsysEncoding_wcstombs(ret, str, length);
}
return ret;
}