mirror of
https://github.com/reactos/reactos.git
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moved into rtl
svn path=/trunk/; revision=9780
This commit is contained in:
Gunnar Dalsnes
parent
13e51e12a9
commit
d26418fb30
3 changed files with 0 additions and 298 deletions
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@ -1,80 +0,0 @@
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/* $Id: encode.c,v 1.3 2004/02/01 20:48:06 ekohl Exp $
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*
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* COPYRIGHT: See COPYING in the top level directory
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* PROJECT: ReactOS kernel
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* PURPOSE: Security descriptor functions
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* FILE: lib/ntdll/rtl/encode.c
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* PROGRAMMER: KJK::Hyperion <noog@libero.it>
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* REVISION HISTORY:
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* 02/04/2003: created (code contributed by crazylord
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* <crazyl0rd@minithins.net>)
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*/
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/* INCLUDES *****************************************************************/
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#include <ddk/ntddk.h>
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#include <ntdll/ntdll.h>
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/* FUNCTIONS ***************************************************************/
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VOID STDCALL
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RtlRunDecodeUnicodeString (IN UCHAR Hash,
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IN OUT PUNICODE_STRING String)
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{
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PUCHAR ptr;
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USHORT i;
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ptr = (PUCHAR)String->Buffer;
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if (String->Length > 1)
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{
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for (i = String->Length; i > 1; i--)
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{
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ptr[i - 1] ^= ptr[i - 2] ^ Hash;
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}
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}
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if (String->Length >= 1)
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{
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ptr[0] ^= Hash | (UCHAR)0x43;
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}
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}
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VOID STDCALL
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RtlRunEncodeUnicodeString (IN OUT PUCHAR Hash,
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IN OUT PUNICODE_STRING String)
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{
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LARGE_INTEGER CurrentTime;
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PUCHAR ptr;
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USHORT i;
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NTSTATUS Status;
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ptr = (PUCHAR) String->Buffer;
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if (*Hash == 0)
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{
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Status = NtQuerySystemTime (&CurrentTime);
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if (NT_SUCCESS(Status))
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{
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for (i = 1; i < sizeof(LARGE_INTEGER) && (*Hash == 0); i++)
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*Hash |= *(PUCHAR)(((PUCHAR)&CurrentTime) + i);
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}
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if (*Hash == 0)
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*Hash = 1;
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}
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if (String->Length >= 1)
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{
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ptr[0] ^= (*Hash) | (UCHAR)0x43;
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if (String->Length > 1)
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{
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for (i = 1; i < String->Length; i++)
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{
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ptr[i] ^= ptr[i - 1] ^ (*Hash);
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}
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}
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}
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}
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/* EOF */
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/* $Id: image.c,v 1.7 2004/01/17 10:30:53 hbirr Exp $
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*
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* COPYRIGHT: See COPYING in the top level directory
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* PROJECT: ReactOS kernel
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* FILE: lib/ntdll/rtl/image.c
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* PURPOSE: Image handling functions
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* PROGRAMMER: Eric Kohl
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* UPDATE HISTORY:
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* 17/03/2000 Created
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*/
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#include <ddk/ntddk.h>
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#include <ntdll/rtl.h>
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#define NDEBUG
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#include <ntdll/ntdll.h>
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/* FUNCTIONS ****************************************************************/
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/*
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* @implemented
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*/
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PIMAGE_NT_HEADERS STDCALL
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RtlImageNtHeader (IN PVOID BaseAddress)
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{
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PIMAGE_NT_HEADERS NtHeader;
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PIMAGE_DOS_HEADER DosHeader = (PIMAGE_DOS_HEADER)BaseAddress;
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if (DosHeader && DosHeader->e_magic != IMAGE_DOS_SIGNATURE)
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{
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DPRINT1("DosHeader->e_magic %x\n", DosHeader->e_magic);
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DPRINT1("NtHeader %x\n", (BaseAddress + DosHeader->e_lfanew));
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}
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if (DosHeader && DosHeader->e_magic == IMAGE_DOS_SIGNATURE)
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{
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NtHeader = (PIMAGE_NT_HEADERS)(BaseAddress + DosHeader->e_lfanew);
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if (NtHeader->Signature == IMAGE_NT_SIGNATURE)
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return NtHeader;
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}
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return NULL;
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}
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/*
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* @implemented
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*/
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PVOID
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STDCALL
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RtlImageDirectoryEntryToData (
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PVOID BaseAddress,
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BOOLEAN bFlag,
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ULONG Directory,
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PULONG Size
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)
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{
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PIMAGE_NT_HEADERS NtHeader;
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ULONG Va;
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NtHeader = RtlImageNtHeader (BaseAddress);
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if (NtHeader == NULL)
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return NULL;
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if (Directory >= NtHeader->OptionalHeader.NumberOfRvaAndSizes)
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return NULL;
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Va = NtHeader->OptionalHeader.DataDirectory[Directory].VirtualAddress;
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if (Va == 0)
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return NULL;
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if (Size)
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*Size = NtHeader->OptionalHeader.DataDirectory[Directory].Size;
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if (bFlag)
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return (PVOID)(BaseAddress + Va);
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/* image mapped as ordinary file, we must find raw pointer */
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return (PVOID)RtlImageRvaToVa (NtHeader, BaseAddress, Va, NULL);
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}
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/*
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* @implemented
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*/
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PIMAGE_SECTION_HEADER
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STDCALL
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RtlImageRvaToSection (
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PIMAGE_NT_HEADERS NtHeader,
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PVOID BaseAddress,
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ULONG Rva
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)
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{
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PIMAGE_SECTION_HEADER Section;
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ULONG Va;
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ULONG Count;
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Count = NtHeader->FileHeader.NumberOfSections;
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Section = (PIMAGE_SECTION_HEADER)((ULONG)&NtHeader->OptionalHeader +
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NtHeader->FileHeader.SizeOfOptionalHeader);
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while (Count)
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{
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Va = Section->VirtualAddress;
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if ((Va <= Rva) &&
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(Rva < Va + Section->SizeOfRawData))
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return Section;
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Section++;
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}
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return NULL;
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}
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/*
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* @implemented
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*/
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ULONG
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STDCALL
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RtlImageRvaToVa (
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PIMAGE_NT_HEADERS NtHeader,
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PVOID BaseAddress,
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ULONG Rva,
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PIMAGE_SECTION_HEADER *SectionHeader
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)
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{
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PIMAGE_SECTION_HEADER Section = NULL;
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if (SectionHeader)
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Section = *SectionHeader;
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if (Section == NULL ||
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Rva < Section->VirtualAddress ||
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Rva >= Section->VirtualAddress + Section->SizeOfRawData)
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{
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Section = RtlImageRvaToSection (NtHeader, BaseAddress, Rva);
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if (Section == NULL)
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return 0;
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if (SectionHeader)
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*SectionHeader = Section;
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}
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return (ULONG)(BaseAddress +
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Rva +
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Section->PointerToRawData -
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Section->VirtualAddress);
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}
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/* EOF */
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/*
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* ReactOS kernel
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* Copyright (C) 2003 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
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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/* $Id: splaytree.c,v 1.1 2003/09/02 11:19:29 ekohl Exp $
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*
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* COPYRIGHT: See COPYING in the top level directory
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* PROJECT: ReactOS system libraries
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* PURPOSE: Splay-Tree implementation
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* FILE: lib/ntdll/rtl/splaytree.c
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*/
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#include <ddk/ntddk.h>
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/* FUNCTIONS *****************************************************************/
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PRTL_SPLAY_LINKS STDCALL
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RtlSubtreePredecessor (IN PRTL_SPLAY_LINKS Links)
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{
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PRTL_SPLAY_LINKS Child;
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Child = Links->RightChild;
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if (Child == NULL)
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return NULL;
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if (Child->LeftChild == NULL)
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return Child;
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/* Get left-most child */
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while (Child->LeftChild != NULL)
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Child = Child->LeftChild;
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return Child;
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}
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PRTL_SPLAY_LINKS STDCALL
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RtlSubtreeSuccessor (IN PRTL_SPLAY_LINKS Links)
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{
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PRTL_SPLAY_LINKS Child;
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Child = Links->LeftChild;
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if (Child == NULL)
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return NULL;
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if (Child->RightChild == NULL)
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return Child;
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/* Get right-most child */
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while (Child->RightChild != NULL)
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Child = Child->RightChild;
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return Child;
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}
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/* EOF */
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