1 files changed, 0 insertions, 327 deletions
diff --git a/contrib/libs/postgresql/src/port/win32stat.c b/contrib/libs/postgresql/src/port/win32stat.c
deleted file mode 100644
index 426e01f0ef..0000000000
--- a/contrib/libs/postgresql/src/port/win32stat.c
+++ /dev/null
@@ -1,327 +0,0 @@
-/*-------------------------------------------------------------------------
- *
- * win32stat.c
- *	  Replacements for <sys/stat.h> functions using GetFileInformationByHandle
- *
- * Portions Copyright (c) 1996-2021, PostgreSQL Global Development Group
- * Portions Copyright (c) 1994, Regents of the University of California
- *
- *
- * IDENTIFICATION
- *	  src/port/win32stat.c
- *
- *-------------------------------------------------------------------------
- */
-
-#ifdef WIN32
-
-#include "c.h"
-#include <windows.h>
-
-/*
- * In order to support MinGW and MSVC2013 we use NtQueryInformationFile as an
- * alternative for GetFileInformationByHandleEx. It is loaded from the ntdll
- * library.
- */
-#if _WIN32_WINNT < 0x0600
-#include <winternl.h>
-
-#if !defined(__MINGW32__) && !defined(__MINGW64__)
-/* MinGW includes this in <winternl.h>, but it is missing in MSVC */
-typedef struct _FILE_STANDARD_INFORMATION
-{
-	LARGE_INTEGER AllocationSize;
-	LARGE_INTEGER EndOfFile;
-	ULONG		NumberOfLinks;
-	BOOLEAN		DeletePending;
-	BOOLEAN		Directory;
-} FILE_STANDARD_INFORMATION;
-#define FileStandardInformation 5
-#endif							/* !defined(__MINGW32__) &&
-								 * !defined(__MINGW64__) */
-
-typedef NTSTATUS (NTAPI * PFN_NTQUERYINFORMATIONFILE)
-			(IN HANDLE FileHandle,
-			 OUT PIO_STATUS_BLOCK IoStatusBlock,
-			 OUT PVOID FileInformation,
-			 IN ULONG Length,
-			 IN FILE_INFORMATION_CLASS FileInformationClass);
-
-static PFN_NTQUERYINFORMATIONFILE _NtQueryInformationFile = NULL;
-
-static HMODULE ntdll = NULL;
-
-/*
- * Load DLL file just once regardless of how many functions we load/call in it.
- */
-static void
-LoadNtdll(void)
-{
-	if (ntdll != NULL)
-		return;
-	ntdll = LoadLibraryEx("ntdll.dll", NULL, 0);
-}
-
-#endif							/* _WIN32_WINNT < 0x0600 */
-
-
-/*
- * Convert a FILETIME struct into a 64 bit time_t.
- */
-static __time64_t
-filetime_to_time(const FILETIME *ft)
-{
-	ULARGE_INTEGER unified_ft = {0};
-	static const uint64 EpochShift = UINT64CONST(116444736000000000);
-
-	unified_ft.LowPart = ft->dwLowDateTime;
-	unified_ft.HighPart = ft->dwHighDateTime;
-
-	if (unified_ft.QuadPart < EpochShift)
-		return -1;
-
-	unified_ft.QuadPart -= EpochShift;
-	unified_ft.QuadPart /= 10 * 1000 * 1000;
-
-	return unified_ft.QuadPart;
-}
-
-/*
- * Convert WIN32 file attributes to a Unix-style mode.
- *
- * Only owner permissions are set.
- */
-static unsigned short
-fileattr_to_unixmode(int attr)
-{
-	unsigned short uxmode = 0;
-
-	uxmode |= (unsigned short) ((attr & FILE_ATTRIBUTE_DIRECTORY) ?
-								(_S_IFDIR) : (_S_IFREG));
-
-	uxmode |= (unsigned short) ((attr & FILE_ATTRIBUTE_READONLY) ?
-								(_S_IREAD) : (_S_IREAD | _S_IWRITE));
-
-	/* there is no need to simulate _S_IEXEC using CMD's PATHEXT extensions */
-	uxmode |= _S_IEXEC;
-
-	return uxmode;
-}
-
-/*
- * Convert WIN32 file information (from a HANDLE) to a struct stat.
- */
-static int
-fileinfo_to_stat(HANDLE hFile, struct stat *buf)
-{
-	BY_HANDLE_FILE_INFORMATION fiData;
-
-	memset(buf, 0, sizeof(*buf));
-
-	/*
-	 * GetFileInformationByHandle minimum supported version: Windows XP and
-	 * Windows Server 2003, so it exists everywhere we care about.
-	 */
-	if (!GetFileInformationByHandle(hFile, &fiData))
-	{
-		_dosmaperr(GetLastError());
-		return -1;
-	}
-
-	if (fiData.ftLastWriteTime.dwLowDateTime ||
-		fiData.ftLastWriteTime.dwHighDateTime)
-		buf->st_mtime = filetime_to_time(&fiData.ftLastWriteTime);
-
-	if (fiData.ftLastAccessTime.dwLowDateTime ||
-		fiData.ftLastAccessTime.dwHighDateTime)
-		buf->st_atime = filetime_to_time(&fiData.ftLastAccessTime);
-	else
-		buf->st_atime = buf->st_mtime;
-
-	if (fiData.ftCreationTime.dwLowDateTime ||
-		fiData.ftCreationTime.dwHighDateTime)
-		buf->st_ctime = filetime_to_time(&fiData.ftCreationTime);
-	else
-		buf->st_ctime = buf->st_mtime;
-
-	buf->st_mode = fileattr_to_unixmode(fiData.dwFileAttributes);
-	buf->st_nlink = fiData.nNumberOfLinks;
-
-	buf->st_size = ((((uint64) fiData.nFileSizeHigh) << 32) |
-					fiData.nFileSizeLow);
-
-	return 0;
-}
-
-/*
- * Windows implementation of stat().
- *
- * This currently also implements lstat(), though perhaps that should change.
- */
-int
-_pgstat64(const char *name, struct stat *buf)
-{
-	/*
-	 * We must use a handle so lstat() returns the information of the target
-	 * file.  To have a reliable test for ERROR_DELETE_PENDING, we use
-	 * NtQueryInformationFile from Windows 2000 or
-	 * GetFileInformationByHandleEx from Server 2008 / Vista.
-	 */
-	SECURITY_ATTRIBUTES sa;
-	HANDLE		hFile;
-	int			ret;
-#if _WIN32_WINNT < 0x0600
-	IO_STATUS_BLOCK ioStatus;
-	FILE_STANDARD_INFORMATION standardInfo;
-#else
-	FILE_STANDARD_INFO standardInfo;
-#endif
-
-	if (name == NULL || buf == NULL)
-	{
-		errno = EINVAL;
-		return -1;
-	}
-
-	/* fast not-exists check */
-	if (GetFileAttributes(name) == INVALID_FILE_ATTRIBUTES)
-	{
-		_dosmaperr(GetLastError());
-		return -1;
-	}
-
-	/* get a file handle as lightweight as we can */
-	sa.nLength = sizeof(SECURITY_ATTRIBUTES);
-	sa.bInheritHandle = TRUE;
-	sa.lpSecurityDescriptor = NULL;
-	hFile = CreateFile(name,
-					   GENERIC_READ,
-					   (FILE_SHARE_READ | FILE_SHARE_WRITE | FILE_SHARE_DELETE),
-					   &sa,
-					   OPEN_EXISTING,
-					   (FILE_FLAG_NO_BUFFERING | FILE_FLAG_BACKUP_SEMANTICS |
-						FILE_FLAG_OVERLAPPED),
-					   NULL);
-	if (hFile == INVALID_HANDLE_VALUE)
-	{
-		DWORD		err = GetLastError();
-
-		CloseHandle(hFile);
-		_dosmaperr(err);
-		return -1;
-	}
-
-	memset(&standardInfo, 0, sizeof(standardInfo));
-
-#if _WIN32_WINNT < 0x0600
-	if (_NtQueryInformationFile == NULL)
-	{
-		/* First time through: load ntdll.dll and find NtQueryInformationFile */
-		LoadNtdll();
-		if (ntdll == NULL)
-		{
-			DWORD		err = GetLastError();
-
-			CloseHandle(hFile);
-			_dosmaperr(err);
-			return -1;
-		}
-
-		_NtQueryInformationFile = (PFN_NTQUERYINFORMATIONFILE) (pg_funcptr_t)
-			GetProcAddress(ntdll, "NtQueryInformationFile");
-		if (_NtQueryInformationFile == NULL)
-		{
-			DWORD		err = GetLastError();
-
-			CloseHandle(hFile);
-			_dosmaperr(err);
-			return -1;
-		}
-	}
-
-	if (!NT_SUCCESS(_NtQueryInformationFile(hFile, &ioStatus, &standardInfo,
-											sizeof(standardInfo),
-											FileStandardInformation)))
-	{
-		DWORD		err = GetLastError();
-
-		CloseHandle(hFile);
-		_dosmaperr(err);
-		return -1;
-	}
-#else
-	if (!GetFileInformationByHandleEx(hFile, FileStandardInfo, &standardInfo,
-									  sizeof(standardInfo)))
-	{
-		DWORD		err = GetLastError();
-
-		CloseHandle(hFile);
-		_dosmaperr(err);
-		return -1;
-	}
-#endif							/* _WIN32_WINNT < 0x0600 */
-
-	if (standardInfo.DeletePending)
-	{
-		/*
-		 * File has been deleted, but is not gone from the filesystem yet.
-		 * This can happen when some process with FILE_SHARE_DELETE has it
-		 * open, and it will be fully removed once that handle is closed.
-		 * Meanwhile, we can't open it, so indicate that the file just doesn't
-		 * exist.
-		 */
-		CloseHandle(hFile);
-		errno = ENOENT;
-		return -1;
-	}
-
-	/* At last we can invoke fileinfo_to_stat */
-	ret = fileinfo_to_stat(hFile, buf);
-
-	CloseHandle(hFile);
-	return ret;
-}
-
-/*
- * Windows implementation of fstat().
- */
-int
-_pgfstat64(int fileno, struct stat *buf)
-{
-	HANDLE		hFile = (HANDLE) _get_osfhandle(fileno);
-	BY_HANDLE_FILE_INFORMATION fiData;
-
-	if (hFile == INVALID_HANDLE_VALUE || buf == NULL)
-	{
-		errno = EINVAL;
-		return -1;
-	}
-
-	/*
-	 * Check if the fileno is a data stream.  If so, unless it has been
-	 * redirected to a file, getting information through its HANDLE will fail,
-	 * so emulate its stat information in the most appropriate way and return
-	 * it instead.
-	 */
-	if ((fileno == _fileno(stdin) ||
-		 fileno == _fileno(stdout) ||
-		 fileno == _fileno(stderr)) &&
-		!GetFileInformationByHandle(hFile, &fiData))
-	{
-		memset(buf, 0, sizeof(*buf));
-		buf->st_mode = _S_IFCHR;
-		buf->st_dev = fileno;
-		buf->st_rdev = fileno;
-		buf->st_nlink = 1;
-		return 0;
-	}
-
-	/*
-	 * Since we already have a file handle there is no need to check for
-	 * ERROR_DELETE_PENDING.
-	 */
-
-	return fileinfo_to_stat(hFile, buf);
-}
-
-#endif							/* WIN32 */