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123456789101112131415161718192021222324252627282930313233343536373839404142//// creat.cpp//// Copyright (c) Microsoft Corporation. All rights reserved.//// Defines _creat() (and _wcreat(), via inclusion), which creates a new file.//#include <corecrt_internal_lowio.h>
// Creates a new file.//// If the file does not exist, this function creates a new file with the given// permission setting and opens it for writing. If the file already exists and// its permission allows writing, this function truncates it to zero length and// opens it for writing.//// The only XENIX mode bit supported is user write (S_IWRITE).//// On success, the handle for the newly created file is returned. On failure,// -1 is returned and errno is set.template <typename Character>static int __cdecl common_creat(Character const* const path, int const pmode) throw(){ typedef __crt_char_traits<Character> traits; // creat is just the same as open... int fh = -1; errno_t e = traits::tsopen_s(&fh, path, _O_CREAT + _O_TRUNC + _O_RDWR, _SH_DENYNO, pmode); return e == 0 ? fh : -1;}
extern "C" int __cdecl _creat(char const* const path, int const pmode){ return common_creat(path, pmode);}
extern "C" int __cdecl _wcreat(wchar_t const* const path, int const pmode){ return common_creat(path, pmode);}