67 lines
1.9 KiB
C
67 lines
1.9 KiB
C
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#pragma once
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#include <windows.h>
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#ifdef __cplusplus
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extern "C"
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{
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#endif
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__inline int MultiByteToWideCharSZ(
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UINT CodePage, // code page
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DWORD dwFlags, // character-type options
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LPCSTR lpMultiByteStr, // string to map
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int cbMultiByte, // number of bytes in string
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LPWSTR lpWideCharStr, // wide-character buffer
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int cchWideChar // size of buffer
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)
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{
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int converted=0;
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if (cchWideChar == 0)
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return MultiByteToWideChar(CodePage, dwFlags, lpMultiByteStr, cbMultiByte, lpWideCharStr, cchWideChar);
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converted = MultiByteToWideChar(CodePage, dwFlags, lpMultiByteStr, cbMultiByte, lpWideCharStr, cchWideChar-1);
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if (!converted)
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{
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if (GetLastError() == ERROR_INSUFFICIENT_BUFFER)
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{
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lpWideCharStr[cchWideChar-1]=0;
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return cchWideChar;
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}
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else
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return 0;
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}
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lpWideCharStr[converted]=0;
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return converted+1;
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}
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__inline int WideCharToMultiByteSZ(
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UINT CodePage, // code page
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DWORD dwFlags, // performance and mapping flags
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LPCWSTR lpWideCharStr, // wide-character string
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int cchWideChar, // number of chars in string
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LPSTR lpMultiByteStr, // buffer for new string
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int cbMultiByte, // size of buffer
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LPCSTR lpDefaultChar, // default for unmappable chars
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LPBOOL lpUsedDefaultChar // set when default char used
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)
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{
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int converted=0;
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if (cbMultiByte == 0)
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return WideCharToMultiByte(CodePage, dwFlags, lpWideCharStr, cchWideChar, lpMultiByteStr, cbMultiByte, lpDefaultChar, lpUsedDefaultChar);
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converted= WideCharToMultiByte(CodePage, dwFlags, lpWideCharStr, cchWideChar, lpMultiByteStr, cbMultiByte-1, lpDefaultChar, lpUsedDefaultChar);
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if (!converted)
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{
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if (GetLastError() == ERROR_INSUFFICIENT_BUFFER)
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{
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lpMultiByteStr[cbMultiByte-1]=0;
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return cbMultiByte;
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}
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else
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return 0;
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}
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lpMultiByteStr[converted]=0;
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return converted+1;
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}
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#ifdef __cplusplus
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}
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#endif
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