| 1 | /* $Id: nthlp.h 2997 2016-11-01 23:28:02Z bird $ */
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| 2 | /** @file
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| 3 | * MSC + NT helper functions.
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| 4 | */
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| 5 |
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| 6 | /*
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| 7 | * Copyright (c) 2005-2013 knut st. osmundsen <[email protected]>
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| 8 | *
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| 9 | * Permission is hereby granted, free of charge, to any person obtaining a
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| 10 | * copy of this software and associated documentation files (the "Software"),
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| 11 | * to deal in the Software without restriction, including without limitation
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| 12 | * the rights to use, copy, modify, merge, publish, distribute, sublicense,
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| 13 | * and/or sell copies of the Software, and to permit persons to whom the
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| 14 | * Software is furnished to do so, subject to the following conditions:
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| 15 | *
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| 16 | * The above copyright notice and this permission notice shall be included
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| 17 | * in all copies or substantial portions of the Software.
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| 18 | *
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| 19 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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| 20 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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| 21 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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| 22 | * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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| 23 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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| 24 | * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
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| 25 | * IN THE SOFTWARE.
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| 26 | *
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| 27 | * Alternatively, the content of this file may be used under the terms of the
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| 28 | * GPL version 2 or later, or LGPL version 2.1 or later.
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| 29 | */
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| 30 |
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| 31 | #ifndef ___nt_nthlp_h
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| 32 | #define ___nt_nthlp_h
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| 33 |
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| 34 | #include "ntstuff.h"
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| 35 | #include "nttypes.h"
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| 36 |
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| 37 |
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| 38 | /** Lazy resolving of the NTDLL imports. */
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| 39 | #define birdResolveImports() do { if (g_fResolvedNtImports) {} else birdResolveImportsWorker(); } while (0)
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| 40 | void birdResolveImportsWorker(void);
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| 41 | extern int g_fResolvedNtImports;
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| 42 |
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| 43 | void *birdTmpAlloc(size_t cb);
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| 44 | void birdTmpFree(void *pv);
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| 45 |
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| 46 | void *birdMemAlloc(size_t cb);
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| 47 | void *birdMemAllocZ(size_t cb);
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| 48 | void birdMemFree(void *pv);
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| 49 |
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| 50 | int birdSetErrnoFromNt(MY_NTSTATUS rcNt);
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| 51 | int birdSetErrnoFromWin32(DWORD dwErr);
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| 52 | int birdSetErrnoToNoMem(void);
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| 53 | int birdSetErrnoToInvalidArg(void);
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| 54 | int birdSetErrnoToBadFileNo(void);
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| 55 |
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| 56 |
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| 57 | HANDLE birdOpenFile(const char *pszPath, ACCESS_MASK fDesiredAccess, ULONG fFileAttribs,
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| 58 | ULONG fShareAccess, ULONG fCreateDisposition, ULONG fCreateOptions, ULONG fObjAttribs);
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| 59 | HANDLE birdOpenFileW(const wchar_t *pwszPath, ACCESS_MASK fDesiredAccess, ULONG fFileAttribs,
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| 60 | ULONG fShareAccess, ULONG fCreateDisposition, ULONG fCreateOptions, ULONG fObjAttribs);
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| 61 | HANDLE birdOpenFileEx(HANDLE hRoot, const char *pszPath, ACCESS_MASK fDesiredAccess, ULONG fFileAttribs,
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| 62 | ULONG fShareAccess, ULONG fCreateDisposition, ULONG fCreateOptions, ULONG fObjAttribs);
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| 63 | HANDLE birdOpenFileExW(HANDLE hRoot, const wchar_t *pwszPath, ACCESS_MASK fDesiredAccess, ULONG fFileAttribs,
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| 64 | ULONG fShareAccess, ULONG fCreateDisposition, ULONG fCreateOptions, ULONG fObjAttribs);
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| 65 | HANDLE birdOpenParentDir(HANDLE hRoot, const char *pszPath, ACCESS_MASK fDesiredAccess, ULONG fFileAttribs,
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| 66 | ULONG fShareAccess, ULONG fCreateDisposition, ULONG fCreateOptions, ULONG fObjAttribs,
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| 67 | MY_UNICODE_STRING *pNameUniStr);
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| 68 | HANDLE birdOpenParentDirW(HANDLE hRoot, const wchar_t *pwszPath, ACCESS_MASK fDesiredAccess, ULONG fFileAttribs,
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| 69 | ULONG fShareAccess, ULONG fCreateDisposition, ULONG fCreateOptions, ULONG fObjAttribs,
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| 70 | MY_UNICODE_STRING *pNameUniStr);
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| 71 | MY_NTSTATUS birdOpenFileUniStr(HANDLE hRoot, MY_UNICODE_STRING *pNtPath, ACCESS_MASK fDesiredAccess, ULONG fFileAttribs,
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| 72 | ULONG fShareAccess, ULONG fCreateDisposition, ULONG fCreateOptions, ULONG fObjAttribs,
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| 73 | HANDLE *phFile);
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| 74 | HANDLE birdOpenCurrentDirectory(void);
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| 75 | void birdCloseFile(HANDLE hFile);
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| 76 | int birdDosToNtPath(const char *pszPath, MY_UNICODE_STRING *pNtPath);
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| 77 | int birdDosToRelativeNtPath(const char *pszPath, MY_UNICODE_STRING *pNtPath);
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| 78 | void birdFreeNtPath(MY_UNICODE_STRING *pNtPath);
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| 79 |
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| 80 |
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| 81 | static __inline void birdNtTimeToTimeSpec(__int64 iNtTime, BirdTimeSpec_T *pTimeSpec)
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| 82 | {
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| 83 | iNtTime -= BIRD_NT_EPOCH_OFFSET_UNIX_100NS;
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| 84 | pTimeSpec->tv_sec = iNtTime / 10000000;
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| 85 | pTimeSpec->tv_nsec = (iNtTime % 10000000) * 100;
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| 86 | }
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| 87 |
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| 88 |
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| 89 | #endif
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| 90 |
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