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[USETUP] Minor fixes & simplifications.
- Remove a redundant NtClose() call; - Return failure if NtQuerySymbolicLinkObject() fails; - Use RTL_CONSTANT_STRING and RtlInitEmptyUnicodeString() where needed; - Reduce code indent level; - Add old-style function annotations; - Remove the deprecated code copyright notice, since the copyright in usage is already reported in the COPYING file in the top level ReactOS source code directory. svn path=/branches/setup_improvements/; revision=74698
This commit is contained in:
Hermès Bélusca-Maïto
parent
6681fb8af5
commit
6b6163a5d9
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@ -1,21 +1,3 @@
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/*
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* ReactOS kernel
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* Copyright (C) 2002 ReactOS Team
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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/*
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* COPYRIGHT: See COPYING in the top level directory
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* PROJECT: ReactOS text-mode setup
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@ -35,22 +17,19 @@
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NTSTATUS
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GetSourcePaths(
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PUNICODE_STRING SourcePath,
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PUNICODE_STRING SourceRootPath,
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PUNICODE_STRING SourceRootDir)
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OUT PUNICODE_STRING SourcePath,
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OUT PUNICODE_STRING SourceRootPath,
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OUT PUNICODE_STRING SourceRootDir)
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{
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OBJECT_ATTRIBUTES ObjectAttributes;
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UNICODE_STRING LinkName;
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UNICODE_STRING SourceName;
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WCHAR SourceBuffer[MAX_PATH] = {L'\0'};
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HANDLE Handle;
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NTSTATUS Status;
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OBJECT_ATTRIBUTES ObjectAttributes;
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UNICODE_STRING LinkName = RTL_CONSTANT_STRING(L"\\SystemRoot");
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UNICODE_STRING SourceName;
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WCHAR SourceBuffer[MAX_PATH] = L"";
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HANDLE Handle;
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ULONG Length;
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PWCHAR Ptr;
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RtlInitUnicodeString(&LinkName,
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L"\\SystemRoot");
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InitializeObjectAttributes(&ObjectAttributes,
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&LinkName,
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OBJ_CASE_INSENSITIVE,
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@ -63,35 +42,33 @@ GetSourcePaths(
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if (!NT_SUCCESS(Status))
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return Status;
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SourceName.Length = 0;
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SourceName.MaximumLength = MAX_PATH * sizeof(WCHAR);
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SourceName.Buffer = SourceBuffer;
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RtlInitEmptyUnicodeString(&SourceName, SourceBuffer, sizeof(SourceBuffer));
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Status = NtQuerySymbolicLinkObject(Handle,
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&SourceName,
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&Length);
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NtClose(Handle);
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if (NT_SUCCESS(Status))
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if (!NT_SUCCESS(Status))
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return Status;
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RtlCreateUnicodeString(SourcePath,
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SourceName.Buffer);
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/* Strip trailing directory */
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Ptr = wcsrchr(SourceName.Buffer, OBJ_NAME_PATH_SEPARATOR);
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if (Ptr)
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{
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RtlCreateUnicodeString(SourcePath,
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SourceName.Buffer);
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/* strip trailing directory */
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Ptr = wcsrchr(SourceName.Buffer, L'\\');
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if (Ptr)
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{
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RtlCreateUnicodeString(SourceRootDir, Ptr);
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*Ptr = 0;
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}
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else
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RtlCreateUnicodeString(SourceRootDir, L"");
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RtlCreateUnicodeString(SourceRootPath,
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SourceName.Buffer);
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RtlCreateUnicodeString(SourceRootDir, Ptr);
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*Ptr = UNICODE_NULL;
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}
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else
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{
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RtlCreateUnicodeString(SourceRootDir, L"");
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}
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NtClose(Handle);
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RtlCreateUnicodeString(SourceRootPath,
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SourceName.Buffer);
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return STATUS_SUCCESS;
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}
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@ -1,21 +1,3 @@
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/*
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* ReactOS kernel
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* Copyright (C) 2002 ReactOS Team
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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/*
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* COPYRIGHT: See COPYING in the top level directory
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* PROJECT: ReactOS text-mode setup
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@ -28,8 +10,8 @@
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NTSTATUS
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GetSourcePaths(
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PUNICODE_STRING SourcePath,
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PUNICODE_STRING SourceRootPath,
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PUNICODE_STRING SourceRootDir);
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OUT PUNICODE_STRING SourcePath,
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OUT PUNICODE_STRING SourceRootPath,
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OUT PUNICODE_STRING SourceRootDir);
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/* EOF */
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