70 lines
1.8 KiB
C
70 lines
1.8 KiB
C
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/*****************************************************************************
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*
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* io.h
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*
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*****************************************************************************/
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#ifdef POSIX
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typedef int HF;
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#define hfNil (-1)
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#define hfIn 0
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#define hfOut 1
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#define hfErr 2
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#define hfOpenPtchOf open
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#define hfCreatPtch(p) creat(p, 0600)
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#define cbReadHfPvCb read
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#define cbWriteHfPvCb write
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#define CloseHf close
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#define OF_READ O_RDONLY
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#define OF_WRITE O_WRONLY
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#define fInteractiveHf isatty
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#define c_tszNullDevice TEXT("/dev/null")
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#else
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typedef HFILE HF;
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#define hfNil ((HF)HFILE_ERROR)
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#define hfIn ((HF)(UINT_PTR)GetStdHandle(STD_INPUT_HANDLE))
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#define hfOut ((HF)(UINT_PTR)GetStdHandle(STD_OUTPUT_HANDLE))
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#define hfErr ((HF)(UINT_PTR)GetStdHandle(STD_ERROR_HANDLE))
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#define hfOpenPtchOf _lopen
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#define hfCreatPtch(p) _lcreat(p, 0)
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#define cbReadHfPvCb _lread
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#define CloseHf _lclose
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#define c_tszNullDevice TEXT("nul")
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/*
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* _lwrite has the quirk that writing zero bytes causes the file
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* to be truncated. (Instead of just plain writing zero bytes.)
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*/
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INLINE CB
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cbWriteHfPvCb(HF hf, PCVOID pv, CB cb) {
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if (cb) {
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return _lwrite(hf, pv, cb);
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} else {
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return 0;
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}
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}
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#define fInteractiveHf(hf) (GetFileType((HANDLE)IntToPtr(hf)) == FILE_TYPE_CHAR)
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#endif
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void STDCALL WriteHfPvCb(HF hf, PCVOID pv, CB cb);
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INLINE void
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WriteHfPtchCtch(HF hf, PCTCH ptch, CTCH ctch)
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{
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WriteHfPvCb(hf, ptch, cbCtch(ctch));
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}
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#ifdef POSIX
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UINT GetTempFileName(PCSTR, PCSTR, UINT, PTCH);
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#endif
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