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|
/*****************************************************************
|
| Neptune - Windows CE Utils
|
| (c) 2001-2006 Gilles Boccon-Gibod
| Author: Gilles Boccon-Gibod (bok@bok.net)
|
****************************************************************/
#ifndef _NPT_WINCE_UTILS_H_
#define _NPT_WINCE_UTILS_H_
/*----------------------------------------------------------------------
| includes
+---------------------------------------------------------------------*/
#include <windows.h>
/*----------------------------------------------------------------------
| fix windows macros
+---------------------------------------------------------------------*/
#if defined(CreateDirectory)
#undef CreateDirectory
#endif
#if defined(DeleteFile)
#undef DeleteFile
#endif
/*----------------------------------------------------------------------
| includes
+---------------------------------------------------------------------*/
#include "NptTypes.h"
/*----------------------------------------------------------------------
| A2WHelper
+---------------------------------------------------------------------*/
static LPWSTR A2WHelper(LPWSTR lpw, LPCSTR lpa, int nChars, UINT acp)
{
int ret;
assert(lpa != NULL);
assert(lpw != NULL);
if (lpw == NULL || lpa == NULL) return NULL;
lpw[0] = '\0';
ret = MultiByteToWideChar(acp, 0, lpa, -1, lpw, nChars);
if (ret == 0) {
assert(0);
return NULL;
}
return lpw;
}
/*----------------------------------------------------------------------
| W2AHelper
+---------------------------------------------------------------------*/
static LPSTR W2AHelper(LPSTR lpa, LPCWSTR lpw, int nChars, UINT acp)
{
int ret;
assert(lpw != NULL);
assert(lpa != NULL);
if (lpa == NULL || lpw == NULL) return NULL;
lpa[0] = '\0';
ret = WideCharToMultiByte(acp, 0, lpw, -1, lpa, nChars, NULL, NULL);
if (ret == 0) {
assert(0);
return NULL;
}
return lpa;
}
/*----------------------------------------------------------------------
| macros
+---------------------------------------------------------------------*/
#define USES_CONVERSION int _convert = 0; LPCWSTR _lpw = NULL; LPCSTR _lpa = NULL
#define A2W(lpa) (\
((_lpa = lpa) == NULL) ? NULL : (\
_convert = (strlen(_lpa)+1),\
(INT_MAX/2<_convert)? NULL : \
A2WHelper((LPWSTR) alloca(_convert*sizeof(WCHAR)), _lpa, _convert, CP_UTF8)))
#define W2A(lpw) (\
((_lpw = lpw) == NULL) ? NULL : (\
(_convert = (lstrlenW(_lpw)+1), \
(_convert>INT_MAX/2) ? NULL : \
W2AHelper((LPSTR) alloca(_convert*sizeof(WCHAR)), _lpw, _convert*sizeof(WCHAR), CP_UTF8))))
#endif /* _NPT_WINCE_UTILS_H_ */
|
