1211 lines
24 KiB
C
1211 lines
24 KiB
C
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/*++
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Copyright (c) 2000 Microsoft Corporation
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Module Name:
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spdrutil.c
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Abstract:
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This module contains general utility and helper functions used by ASR
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in textmode Setup.
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Authors:
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Michael Peterson, Seagate Software (v-michpe) 13-May-1997
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Guhan Suriyanarayanan (guhans) 21-Aug-1999
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Environment:
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Textmode Setup, Kernel-mode.
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Revision History:
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21-Aug-1999 guhans
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Code clean-up and re-write.
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13-May-1997 v-michpe
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Initial implementation.
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--*/
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#include "spprecmp.h"
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#pragma hdrstop
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#define THIS_MODULE L"spdrutil.c"
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#define THIS_MODULE_CODE L"U"
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static const PCWSTR ASR_MOUNTED_DEVICES_KEY = L"\\registry\\machine\\SYSTEM\\MountedDevices";
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static const PCWSTR ASR_HKLM_SYSTEM_KEY = L"\\registry\\machine\\SYSTEM";
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#ifndef ULONGLONG_MAX
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#define ULONGLONG_MAX (0xFFFFFFFFFFFFFFFF)
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#endif
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//
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// Caller must free the string
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//
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PWSTR
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SpAsrGetRegionName(IN PDISK_REGION pRegion)
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{
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SpNtNameFromRegion(
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pRegion,
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(PWSTR) TemporaryBuffer,
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sizeof(TemporaryBuffer),
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PartitionOrdinalCurrent
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);
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return SpDupStringW((PWSTR)TemporaryBuffer);
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}
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ULONG
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SpAsrGetActualDiskSignature(IN ULONG DiskNumber)
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{
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PHARD_DISK pDisk = &HardDisks[DiskNumber];
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ULONG Signature = 0;
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if (PARTITION_STYLE_MBR == (PARTITION_STYLE) pDisk->DriveLayout.PartitionStyle) {
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Signature = pDisk->DriveLayout.Mbr.Signature;
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}
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return Signature;
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}
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ULONGLONG
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SpAsrConvertSectorsToMB(
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IN ULONGLONG SectorCount,
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IN ULONG BytesPerSector
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)
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{
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ULONGLONG mb = 1024 * 1024;
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if ((ULONGLONG) (SectorCount / mb) > (ULONGLONG) (ULONGLONG_MAX / BytesPerSector)) {
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//
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// This is strange. The sizeMB of the disk is too big to fit in 64-bits,
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// yet the SectorCount does. This implies that this disk has more than
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// 1 MB Per Sector. Since this is very improbable (disks commonly have 512
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// BytesPerSector today), we bail out with an internal error.
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//
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DbgFatalMesg((_asrerr, "SpAsrConvertSectorsToMB. Disk has too many sectors\n"));
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INTERNAL_ERROR((L"Disk has too many sectors\n")); // ok
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}
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return (ULONGLONG) ((SectorCount * BytesPerSector) / mb);
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}
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extern
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VOID
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SpDeleteStorageVolumes (
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IN HANDLE SysPrepRegHandle,
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IN DWORD ControlSetNumber
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);
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extern
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NTSTATUS
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SpGetCurrentControlSetNumber(
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IN HANDLE SystemHiveRoot,
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OUT PULONG Number
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);
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VOID
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SpAsrDeleteMountedDevicesKey(VOID)
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{
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NTSTATUS status;
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OBJECT_ATTRIBUTES objAttrib;
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UNICODE_STRING unicodeString;
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HANDLE keyHandle;
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//
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// Delete HKLM\SYSTEM\MountedDevices.
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//
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INIT_OBJA(&objAttrib, &unicodeString, ASR_MOUNTED_DEVICES_KEY);
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objAttrib.RootDirectory = NULL;
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status = ZwOpenKey(&keyHandle, KEY_ALL_ACCESS, &objAttrib);
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if(NT_SUCCESS(status)) {
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status = ZwDeleteKey(keyHandle);
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DbgStatusMesg((_asrinfo,
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"SpAsrDeleteMountedDevicesKey. DeleteKey [%ls] on the setup hive returned 0x%lx. \n",
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ASR_MOUNTED_DEVICES_KEY,
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status
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));
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ZwClose(keyHandle);
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}
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else {
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DbgErrorMesg((_asrwarn,
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"SpAsrDeleteMountedDevicesKey. No [%ls] on the setup hive.\n",
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ASR_MOUNTED_DEVICES_KEY));
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}
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}
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PVOID
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SpAsrMemAlloc(
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ULONG Size,
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BOOLEAN IsErrorFatal
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)
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{
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PVOID ptr = SpMemAlloc(Size);
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if (ptr) {
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RtlZeroMemory(ptr, Size);
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}
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else { // allocation failed
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if (IsErrorFatal) {
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DbgFatalMesg((_asrerr,
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"SpAsrMemAlloc. Memory allocation failed, SpMemAlloc(%lu) returned NULL.\n",
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Size
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));
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SpAsrRaiseFatalError(SP_SCRN_OUT_OF_MEMORY, L"Out of memory.");
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}
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else {
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DbgErrorMesg((_asrerr,
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"SpAsrMemAlloc. Memory allocation failed, SpMemAlloc(%lu) returned NULL. Continuing.\n",
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Size
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));
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}
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}
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return ptr;
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}
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BOOLEAN
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SpAsrIsValidBootDrive(IN OUT PWSTR NtDir)
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/*
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Returns TRUE if NtDir starts with ?:\,
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where ? is between C and Z or c and z,
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and wcslen(NtDir) <= SpGetMaxNtDirLen().
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Converts the drive letter to uppercase.
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*/
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{
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if (!NtDir ||
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wcslen(NtDir) > SpGetMaxNtDirLen()
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) {
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return FALSE;
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}
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// convert drive-letter to upper-case
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if (NtDir[0] >= L'c' && NtDir[0] <= L'z') {
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NtDir[0] = NtDir[0] - L'a' + L'A';
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}
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// check drive letter
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if (NtDir[0] < L'C' || NtDir[0] > L'Z') {
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return FALSE;
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}
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// check " :\"
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if (NtDir[1] == L':' && NtDir[2] == L'\\') {
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return TRUE;
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}
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return FALSE;
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}
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BOOLEAN
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SpAsrIsBootPartitionRecord(IN ULONG CriticalPartitionFlag)
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{
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return (BOOLEAN) (CriticalPartitionFlag & ASR_PTN_MASK_BOOT);
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}
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BOOLEAN
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SpAsrIsSystemPartitionRecord(IN ULONG CriticalPartitionFlag)
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{
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return (BOOLEAN) (CriticalPartitionFlag & ASR_PTN_MASK_SYS);
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}
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// Fatal Error Routines
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// -guhans! Lots of code-repitition here, there must be a more efficient way.
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VOID
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SpAsrRaiseFatalError(
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IN ULONG ErrorCode,
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IN PWSTR KdPrintStr
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)
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/*++
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Routine:
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Terminate setup
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Returns:
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None.
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--*/
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{
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KdPrintEx((_asrerr, "SETUP: + %ws\n", KdPrintStr));
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SpStartScreen(ErrorCode,
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3,
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HEADER_HEIGHT+1,
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FALSE,
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FALSE,
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DEFAULT_ATTRIBUTE);
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SpDisplayStatusOptions(DEFAULT_STATUS_ATTRIBUTE,
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SP_STAT_F3_EQUALS_EXIT,
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0);
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SpInputDrain();
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while(SpInputGetKeypress() != KEY_F3);
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SpDone(0, FALSE, TRUE);
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}
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VOID
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SpAsrRaiseFatalErrorWs(
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IN ULONG ErrorCode,
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IN PWSTR KdPrintStr,
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IN PWSTR MessageStr
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)
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{
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KdPrintEx((_asrerr, "SETUP: + %ws\n", KdPrintStr));
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SpStartScreen(ErrorCode,
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3,
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HEADER_HEIGHT+1,
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FALSE,
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FALSE,
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DEFAULT_ATTRIBUTE,
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MessageStr
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);
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SpDisplayStatusOptions(DEFAULT_STATUS_ATTRIBUTE, SP_STAT_F3_EQUALS_EXIT, 0);
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SpInputDrain();
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while(SpInputGetKeypress() != KEY_F3);
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SpDone(0, FALSE, TRUE);
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}
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VOID
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SpAsrRaiseFatalErrorWsWs(
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IN ULONG ErrorCode,
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IN PWSTR KdPrintStr,
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IN PWSTR MessageStr1,
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IN PWSTR MessageStr2
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)
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{
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KdPrintEx((_asrerr, "SETUP: + %ws\n", KdPrintStr));
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SpStartScreen(ErrorCode,
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3,
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HEADER_HEIGHT+1,
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FALSE,
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FALSE,
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DEFAULT_ATTRIBUTE,
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MessageStr1,
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MessageStr2
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);
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SpDisplayStatusOptions(DEFAULT_STATUS_ATTRIBUTE, SP_STAT_F3_EQUALS_EXIT, 0);
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SpInputDrain();
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while(SpInputGetKeypress() != KEY_F3);
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SpDone(0, FALSE, TRUE);
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}
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VOID
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SpAsrRaiseFatalErrorWsLu(
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IN ULONG ErrorCode,
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IN PWSTR KdPrintStr,
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IN PWSTR MessageStr,
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IN ULONG MessageVal
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)
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{
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KdPrintEx((_asrerr, "SETUP: + %ws\n", KdPrintStr));
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SpStartScreen(ErrorCode,
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3,
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HEADER_HEIGHT+1,
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FALSE,
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FALSE,
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DEFAULT_ATTRIBUTE,
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MessageStr,
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MessageVal
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);
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SpDisplayStatusOptions(DEFAULT_STATUS_ATTRIBUTE, SP_STAT_F3_EQUALS_EXIT, 0);
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SpInputDrain();
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while(SpInputGetKeypress() != KEY_F3);
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SpDone(0, FALSE, TRUE);
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}
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VOID
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SpAsrRaiseFatalErrorLu(
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IN ULONG ErrorCode,
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IN PWSTR KdPrintStr,
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IN ULONG MessageVal
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)
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{
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KdPrintEx((_asrerr, "SETUP: + %ws\n", KdPrintStr));
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SpStartScreen(ErrorCode,
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3,
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HEADER_HEIGHT+1,
|
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FALSE,
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FALSE,
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DEFAULT_ATTRIBUTE,
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MessageVal
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);
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SpDisplayStatusOptions(DEFAULT_STATUS_ATTRIBUTE, SP_STAT_F3_EQUALS_EXIT, 0);
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SpInputDrain();
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while(SpInputGetKeypress() != KEY_F3);
|
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SpDone(0, FALSE, TRUE);
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}
|
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VOID
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SpAsrRaiseFatalErrorLuLu(
|
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|
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IN ULONG ErrorCode,
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IN PWSTR KdPrintStr,
|
||
|
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IN ULONG MessageVal1,
|
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|
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IN ULONG MessageVal2
|
||
|
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)
|
||
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{
|
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KdPrintEx((_asrerr, "SETUP: + %ws\n", KdPrintStr));
|
||
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|
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SpStartScreen(ErrorCode,
|
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3,
|
||
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HEADER_HEIGHT+1,
|
||
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FALSE,
|
||
|
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FALSE,
|
||
|
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DEFAULT_ATTRIBUTE,
|
||
|
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MessageVal1,
|
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MessageVal2
|
||
|
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);
|
||
|
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|
||
|
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SpDisplayStatusOptions(DEFAULT_STATUS_ATTRIBUTE, SP_STAT_F3_EQUALS_EXIT, 0);
|
||
|
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SpInputDrain();
|
||
|
|
|
||
|
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while(SpInputGetKeypress() != KEY_F3);
|
||
|
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|
||
|
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SpDone(0, FALSE, TRUE);
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
#define ASCI_O 79
|
||
|
|
#define ASCI_o 111
|
||
|
|
|
||
|
|
//
|
||
|
|
// SpAsrFileErrorRetryIgnoreAbort
|
||
|
|
// Display an error screen if the file that we are trying to
|
||
|
|
// copy already exists on target system. Allows user to
|
||
|
|
// O = Over-write existing file
|
||
|
|
// ESC = Skip this file (preserve existing file)
|
||
|
|
// F3 = Exit from Setup
|
||
|
|
//
|
||
|
|
// Returns TRUE if the user chose overwrite
|
||
|
|
// FALSE if the user chose skip
|
||
|
|
// Does not return if the user hit ESC
|
||
|
|
//
|
||
|
|
BOOL
|
||
|
|
SpAsrFileErrorDeleteSkipAbort(
|
||
|
|
IN ULONG ErrorCode,
|
||
|
|
IN PWSTR DestinationFile
|
||
|
|
)
|
||
|
|
{
|
||
|
|
ULONG optionKeys[] = {KEY_F3, ASCI_ESC};
|
||
|
|
ULONG mnemonicKeys[] = {MnemonicOverwrite, 0};
|
||
|
|
ULONG *keysPtr;
|
||
|
|
BOOL done = FALSE,
|
||
|
|
overwriteFile = FALSE;
|
||
|
|
|
||
|
|
while (!done) {
|
||
|
|
|
||
|
|
SpStartScreen(
|
||
|
|
ErrorCode,
|
||
|
|
3,
|
||
|
|
HEADER_HEIGHT+1,
|
||
|
|
FALSE,
|
||
|
|
FALSE,
|
||
|
|
DEFAULT_ATTRIBUTE,
|
||
|
|
DestinationFile
|
||
|
|
);
|
||
|
|
|
||
|
|
keysPtr = optionKeys;
|
||
|
|
|
||
|
|
SpDisplayStatusOptions(
|
||
|
|
DEFAULT_STATUS_ATTRIBUTE,
|
||
|
|
SP_STAT_O_EQUALS_OVERWRITE,
|
||
|
|
SP_STAT_ESC_EQUALS_SKIP_FILE,
|
||
|
|
SP_STAT_F3_EQUALS_EXIT,
|
||
|
|
0
|
||
|
|
);
|
||
|
|
|
||
|
|
SpInputDrain();
|
||
|
|
|
||
|
|
switch(SpWaitValidKey(keysPtr,NULL,mnemonicKeys)) {
|
||
|
|
case (MnemonicOverwrite | KEY_MNEMONIC):
|
||
|
|
overwriteFile = TRUE;
|
||
|
|
done = TRUE;
|
||
|
|
break;
|
||
|
|
|
||
|
|
case ASCI_ESC:
|
||
|
|
overwriteFile = FALSE;
|
||
|
|
done = TRUE;
|
||
|
|
break;
|
||
|
|
|
||
|
|
case KEY_F3:
|
||
|
|
SpDone(0, FALSE, TRUE);
|
||
|
|
break;
|
||
|
|
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
return overwriteFile;
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
//
|
||
|
|
// SpAsrFileErrorRetryIgnoreAbort
|
||
|
|
// Display an error screen if the file could not be copied
|
||
|
|
// over to the target system. Allows user to
|
||
|
|
// ENTER = Retry
|
||
|
|
// ESC = Skip this file and continue
|
||
|
|
// F3 = Exit from Setup
|
||
|
|
//
|
||
|
|
// Returns TRUE if the user chose skip
|
||
|
|
// FALSE if the user chose retry
|
||
|
|
// Does not return if the user hit ESC
|
||
|
|
//
|
||
|
|
BOOL
|
||
|
|
SpAsrFileErrorRetrySkipAbort(
|
||
|
|
IN ULONG ErrorCode,
|
||
|
|
IN PWSTR SourceFile,
|
||
|
|
IN PWSTR Label,
|
||
|
|
IN PWSTR Vendor,
|
||
|
|
IN BOOL AllowSkip
|
||
|
|
)
|
||
|
|
{
|
||
|
|
ULONG optionKeys[] = {KEY_F3, ASCI_CR, ASCI_ESC};
|
||
|
|
ULONG mnemonicKeys[] = {0};
|
||
|
|
ULONG *keysPtr;
|
||
|
|
BOOL done = FALSE,
|
||
|
|
skipFile = FALSE;
|
||
|
|
|
||
|
|
while (!done) {
|
||
|
|
|
||
|
|
SpStartScreen(
|
||
|
|
ErrorCode,
|
||
|
|
3,
|
||
|
|
HEADER_HEIGHT+1,
|
||
|
|
FALSE,
|
||
|
|
FALSE,
|
||
|
|
DEFAULT_ATTRIBUTE,
|
||
|
|
SourceFile,
|
||
|
|
Label,
|
||
|
|
Vendor);
|
||
|
|
|
||
|
|
keysPtr = optionKeys;
|
||
|
|
|
||
|
|
if (AllowSkip) {
|
||
|
|
SpDisplayStatusOptions(
|
||
|
|
DEFAULT_STATUS_ATTRIBUTE,
|
||
|
|
SP_STAT_ENTER_EQUALS_RETRY,
|
||
|
|
SP_STAT_ESC_EQUALS_SKIP_FILE,
|
||
|
|
SP_STAT_F3_EQUALS_EXIT,
|
||
|
|
0);
|
||
|
|
}
|
||
|
|
else {
|
||
|
|
SpDisplayStatusOptions(
|
||
|
|
DEFAULT_STATUS_ATTRIBUTE,
|
||
|
|
SP_STAT_ENTER_EQUALS_RETRY,
|
||
|
|
SP_STAT_F3_EQUALS_EXIT,
|
||
|
|
0);
|
||
|
|
}
|
||
|
|
|
||
|
|
SpInputDrain();
|
||
|
|
|
||
|
|
switch(SpWaitValidKey(keysPtr,NULL,mnemonicKeys)) {
|
||
|
|
case ASCI_CR:
|
||
|
|
skipFile = FALSE;
|
||
|
|
done = TRUE;
|
||
|
|
break;
|
||
|
|
|
||
|
|
case ASCI_ESC:
|
||
|
|
if (AllowSkip) {
|
||
|
|
skipFile = TRUE;
|
||
|
|
done = TRUE;
|
||
|
|
}
|
||
|
|
break;
|
||
|
|
|
||
|
|
case KEY_F3:
|
||
|
|
SpDone(0, FALSE, TRUE);
|
||
|
|
break;
|
||
|
|
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
return skipFile;
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
VOID
|
||
|
|
SpAsrRaiseInternalError(
|
||
|
|
IN PWSTR ModuleName,
|
||
|
|
IN PWSTR ModuleCode,
|
||
|
|
IN ULONG LineNumber,
|
||
|
|
IN PWSTR KdPrintStr)
|
||
|
|
{
|
||
|
|
PWSTR TmpMsgBuf = SpAsrMemAlloc(4096 * sizeof(WCHAR), TRUE);
|
||
|
|
swprintf(TmpMsgBuf, L"%ws%lu", ModuleCode, LineNumber);
|
||
|
|
|
||
|
|
DbgFatalMesg((_asrerr,
|
||
|
|
" Internal Error (%ws:%lu %ws) %ws\n",
|
||
|
|
ModuleName,
|
||
|
|
LineNumber,
|
||
|
|
TmpMsgBuf,
|
||
|
|
KdPrintStr
|
||
|
|
));
|
||
|
|
|
||
|
|
SpAsrRaiseFatalErrorWs(SP_TEXT_DR_INTERNAL_ERROR,
|
||
|
|
KdPrintStr,
|
||
|
|
TmpMsgBuf
|
||
|
|
);
|
||
|
|
//
|
||
|
|
// Never gets here
|
||
|
|
//
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
ULONGLONG
|
||
|
|
SpAsrStringToULongLong(
|
||
|
|
IN PWSTR String,
|
||
|
|
OUT PWCHAR *EndOfValue,
|
||
|
|
IN unsigned Radix
|
||
|
|
)
|
||
|
|
{
|
||
|
|
PWSTR p;
|
||
|
|
BOOLEAN Negative;
|
||
|
|
ULONGLONG Accum,v;
|
||
|
|
WCHAR HighestDigitAllowed,HighestLetterAllowed;
|
||
|
|
WCHAR c;
|
||
|
|
|
||
|
|
//
|
||
|
|
// Validate radix, 0 or 2-36.
|
||
|
|
//
|
||
|
|
if((Radix == 1) || (Radix > 36)) {
|
||
|
|
if(EndOfValue) {
|
||
|
|
*EndOfValue = String;
|
||
|
|
}
|
||
|
|
return(0);
|
||
|
|
}
|
||
|
|
|
||
|
|
p = String;
|
||
|
|
|
||
|
|
//
|
||
|
|
// Skip whitespace.
|
||
|
|
//
|
||
|
|
while(SpIsSpace(*p)) {
|
||
|
|
p++;
|
||
|
|
}
|
||
|
|
|
||
|
|
//
|
||
|
|
// First char may be a plus or minus.
|
||
|
|
//
|
||
|
|
Negative = FALSE;
|
||
|
|
if(*p == L'-') {
|
||
|
|
Negative = TRUE;
|
||
|
|
p++;
|
||
|
|
} else {
|
||
|
|
if(*p == L'+') {
|
||
|
|
p++;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
if(!Radix) {
|
||
|
|
if(*p == L'0') {
|
||
|
|
//
|
||
|
|
// Octal number
|
||
|
|
//
|
||
|
|
Radix = 8;
|
||
|
|
p++;
|
||
|
|
if((*p == L'x') || (*p == L'X')) {
|
||
|
|
//
|
||
|
|
// hex number
|
||
|
|
//
|
||
|
|
Radix = 16;
|
||
|
|
p++;
|
||
|
|
}
|
||
|
|
} else {
|
||
|
|
Radix = 10;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
HighestDigitAllowed = (Radix < 10) ? L'0'+(WCHAR)(Radix-1) : L'9';
|
||
|
|
HighestLetterAllowed = (Radix > 10) ? L'A'+(WCHAR)(Radix-11) : 0;
|
||
|
|
|
||
|
|
Accum = 0;
|
||
|
|
|
||
|
|
while(1) {
|
||
|
|
|
||
|
|
c = *p;
|
||
|
|
|
||
|
|
if((c >= L'0') && (c <= HighestDigitAllowed)) {
|
||
|
|
v = c - L'0';
|
||
|
|
} else {
|
||
|
|
|
||
|
|
c = SpToUpper(c);
|
||
|
|
|
||
|
|
if((c >= L'A') && (c <= HighestLetterAllowed)) {
|
||
|
|
v = c - L'A' + 10;
|
||
|
|
} else {
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
Accum *= Radix;
|
||
|
|
Accum += v;
|
||
|
|
|
||
|
|
p++;
|
||
|
|
}
|
||
|
|
|
||
|
|
if(EndOfValue) {
|
||
|
|
*EndOfValue = p;
|
||
|
|
}
|
||
|
|
|
||
|
|
return(Negative ? (0-Accum) : Accum);
|
||
|
|
}
|
||
|
|
|
||
|
|
LONGLONG
|
||
|
|
SpAsrStringToLongLong(
|
||
|
|
IN PWSTR String,
|
||
|
|
OUT PWCHAR *EndOfValue,
|
||
|
|
IN unsigned Radix
|
||
|
|
)
|
||
|
|
{
|
||
|
|
PWSTR p;
|
||
|
|
BOOLEAN Negative;
|
||
|
|
LONGLONG Accum,v;
|
||
|
|
WCHAR HighestDigitAllowed,HighestLetterAllowed;
|
||
|
|
WCHAR c;
|
||
|
|
|
||
|
|
//
|
||
|
|
// Validate radix, 0 or 2-36.
|
||
|
|
//
|
||
|
|
if((Radix == 1) || (Radix > 36)) {
|
||
|
|
if(EndOfValue) {
|
||
|
|
*EndOfValue = String;
|
||
|
|
}
|
||
|
|
return(0);
|
||
|
|
}
|
||
|
|
|
||
|
|
p = String;
|
||
|
|
|
||
|
|
//
|
||
|
|
// Skip whitespace.
|
||
|
|
//
|
||
|
|
while(SpIsSpace(*p)) {
|
||
|
|
p++;
|
||
|
|
}
|
||
|
|
|
||
|
|
//
|
||
|
|
// First char may be a plus or minus.
|
||
|
|
//
|
||
|
|
Negative = FALSE;
|
||
|
|
if(*p == L'-') {
|
||
|
|
Negative = TRUE;
|
||
|
|
p++;
|
||
|
|
} else {
|
||
|
|
if(*p == L'+') {
|
||
|
|
p++;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
if(!Radix) {
|
||
|
|
if(*p == L'0') {
|
||
|
|
//
|
||
|
|
// Octal number
|
||
|
|
//
|
||
|
|
Radix = 8;
|
||
|
|
p++;
|
||
|
|
if((*p == L'x') || (*p == L'X')) {
|
||
|
|
//
|
||
|
|
// hex number
|
||
|
|
//
|
||
|
|
Radix = 16;
|
||
|
|
p++;
|
||
|
|
}
|
||
|
|
} else {
|
||
|
|
Radix = 10;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
HighestDigitAllowed = (Radix < 10) ? L'0'+(WCHAR)(Radix-1) : L'9';
|
||
|
|
HighestLetterAllowed = (Radix > 10) ? L'A'+(WCHAR)(Radix-11) : 0;
|
||
|
|
|
||
|
|
Accum = 0;
|
||
|
|
|
||
|
|
while(1) {
|
||
|
|
|
||
|
|
c = *p;
|
||
|
|
|
||
|
|
if((c >= L'0') && (c <= HighestDigitAllowed)) {
|
||
|
|
v = c - L'0';
|
||
|
|
} else {
|
||
|
|
|
||
|
|
c = SpToUpper(c);
|
||
|
|
|
||
|
|
if((c >= L'A') && (c <= HighestLetterAllowed)) {
|
||
|
|
v = c - L'A' + 10;
|
||
|
|
} else {
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
Accum *= Radix;
|
||
|
|
Accum += v;
|
||
|
|
|
||
|
|
p++;
|
||
|
|
}
|
||
|
|
|
||
|
|
if(EndOfValue) {
|
||
|
|
*EndOfValue = p;
|
||
|
|
}
|
||
|
|
|
||
|
|
return(Negative ? (0-Accum) : Accum);
|
||
|
|
}
|
||
|
|
|
||
|
|
ULONG
|
||
|
|
SpAsrStringToULong(
|
||
|
|
IN PWSTR String,
|
||
|
|
OUT PWCHAR *EndOfValue,
|
||
|
|
IN unsigned Radix
|
||
|
|
)
|
||
|
|
{
|
||
|
|
PWSTR p;
|
||
|
|
BOOLEAN Negative;
|
||
|
|
ULONG Accum,v;
|
||
|
|
WCHAR HighestDigitAllowed,HighestLetterAllowed;
|
||
|
|
WCHAR c;
|
||
|
|
|
||
|
|
//
|
||
|
|
// Validate radix, 0 or 2-36.
|
||
|
|
//
|
||
|
|
if((Radix == 1) || (Radix > 36)) {
|
||
|
|
if(EndOfValue) {
|
||
|
|
*EndOfValue = String;
|
||
|
|
}
|
||
|
|
return(0);
|
||
|
|
}
|
||
|
|
|
||
|
|
p = String;
|
||
|
|
|
||
|
|
//
|
||
|
|
// Skip whitespace.
|
||
|
|
//
|
||
|
|
while(SpIsSpace(*p)) {
|
||
|
|
p++;
|
||
|
|
}
|
||
|
|
|
||
|
|
//
|
||
|
|
// First char may be a plus or minus.
|
||
|
|
//
|
||
|
|
Negative = FALSE;
|
||
|
|
if(*p == L'-') {
|
||
|
|
Negative = TRUE;
|
||
|
|
p++;
|
||
|
|
} else {
|
||
|
|
if(*p == L'+') {
|
||
|
|
p++;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
if(!Radix) {
|
||
|
|
if(*p == L'0') {
|
||
|
|
//
|
||
|
|
// Octal number
|
||
|
|
//
|
||
|
|
Radix = 8;
|
||
|
|
p++;
|
||
|
|
if((*p == L'x') || (*p == L'X')) {
|
||
|
|
//
|
||
|
|
// hex number
|
||
|
|
//
|
||
|
|
Radix = 16;
|
||
|
|
p++;
|
||
|
|
}
|
||
|
|
} else {
|
||
|
|
Radix = 10;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
HighestDigitAllowed = (Radix < 10) ? L'0'+(WCHAR)(Radix-1) : L'9';
|
||
|
|
HighestLetterAllowed = (Radix > 10) ? L'A'+(WCHAR)(Radix-11) : 0;
|
||
|
|
|
||
|
|
Accum = 0;
|
||
|
|
|
||
|
|
while(1) {
|
||
|
|
|
||
|
|
c = *p;
|
||
|
|
|
||
|
|
if((c >= L'0') && (c <= HighestDigitAllowed)) {
|
||
|
|
v = c - L'0';
|
||
|
|
} else {
|
||
|
|
|
||
|
|
c = SpToUpper(c);
|
||
|
|
|
||
|
|
if((c >= L'A') && (c <= HighestLetterAllowed)) {
|
||
|
|
v = c - L'A' + 10;
|
||
|
|
} else {
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
Accum *= Radix;
|
||
|
|
Accum += v;
|
||
|
|
|
||
|
|
p++;
|
||
|
|
}
|
||
|
|
|
||
|
|
if(EndOfValue) {
|
||
|
|
*EndOfValue = p;
|
||
|
|
}
|
||
|
|
|
||
|
|
return(Negative ? (0-Accum) : Accum);
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
USHORT
|
||
|
|
SpAsrStringToUShort(
|
||
|
|
IN PWSTR String,
|
||
|
|
OUT PWCHAR *EndOfValue,
|
||
|
|
IN USHORT Radix
|
||
|
|
)
|
||
|
|
{
|
||
|
|
PWSTR p;
|
||
|
|
BOOLEAN Negative;
|
||
|
|
USHORT Accum,v;
|
||
|
|
WCHAR HighestDigitAllowed,HighestLetterAllowed;
|
||
|
|
WCHAR c;
|
||
|
|
|
||
|
|
//
|
||
|
|
// Validate radix, 0 or 2-36.
|
||
|
|
//
|
||
|
|
if((Radix == 1) || (Radix > 36)) {
|
||
|
|
if(EndOfValue) {
|
||
|
|
*EndOfValue = String;
|
||
|
|
}
|
||
|
|
return(0);
|
||
|
|
}
|
||
|
|
|
||
|
|
p = String;
|
||
|
|
|
||
|
|
//
|
||
|
|
// Skip whitespace.
|
||
|
|
//
|
||
|
|
while(SpIsSpace(*p)) {
|
||
|
|
p++;
|
||
|
|
}
|
||
|
|
|
||
|
|
//
|
||
|
|
// First char may be a plus or minus.
|
||
|
|
//
|
||
|
|
Negative = FALSE;
|
||
|
|
if(*p == L'-') {
|
||
|
|
Negative = TRUE;
|
||
|
|
p++;
|
||
|
|
} else {
|
||
|
|
if(*p == L'+') {
|
||
|
|
p++;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
if(!Radix) {
|
||
|
|
if(*p == L'0') {
|
||
|
|
//
|
||
|
|
// Octal number
|
||
|
|
//
|
||
|
|
Radix = 8;
|
||
|
|
p++;
|
||
|
|
if((*p == L'x') || (*p == L'X')) {
|
||
|
|
//
|
||
|
|
// hex number
|
||
|
|
//
|
||
|
|
Radix = 16;
|
||
|
|
p++;
|
||
|
|
}
|
||
|
|
} else {
|
||
|
|
Radix = 10;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
HighestDigitAllowed = (Radix < 10) ? L'0'+(WCHAR)(Radix-1) : L'9';
|
||
|
|
HighestLetterAllowed = (Radix > 10) ? L'A'+(WCHAR)(Radix-11) : 0;
|
||
|
|
|
||
|
|
Accum = 0;
|
||
|
|
|
||
|
|
while(1) {
|
||
|
|
|
||
|
|
c = *p;
|
||
|
|
|
||
|
|
if((c >= L'0') && (c <= HighestDigitAllowed)) {
|
||
|
|
v = c - L'0';
|
||
|
|
} else {
|
||
|
|
|
||
|
|
c = SpToUpper(c);
|
||
|
|
|
||
|
|
if((c >= L'A') && (c <= HighestLetterAllowed)) {
|
||
|
|
v = c - L'A' + 10;
|
||
|
|
} else {
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
Accum *= Radix;
|
||
|
|
Accum += v;
|
||
|
|
|
||
|
|
p++;
|
||
|
|
}
|
||
|
|
|
||
|
|
if(EndOfValue) {
|
||
|
|
*EndOfValue = p;
|
||
|
|
}
|
||
|
|
|
||
|
|
return(Negative ? (0-Accum) : Accum);
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
int
|
||
|
|
SpAsrCharToInt(
|
||
|
|
IN PWSTR String,
|
||
|
|
OUT PWCHAR *EndOfValue,
|
||
|
|
IN USHORT Radix
|
||
|
|
)
|
||
|
|
{
|
||
|
|
PWSTR p;
|
||
|
|
BOOLEAN Negative;
|
||
|
|
USHORT Accum,v;
|
||
|
|
WCHAR HighestDigitAllowed,HighestLetterAllowed;
|
||
|
|
WCHAR c;
|
||
|
|
|
||
|
|
//
|
||
|
|
// Validate radix, 0 or 2-36.
|
||
|
|
//
|
||
|
|
if((Radix == 1) || (Radix > 36)) {
|
||
|
|
if(EndOfValue) {
|
||
|
|
*EndOfValue = String;
|
||
|
|
}
|
||
|
|
return(0);
|
||
|
|
}
|
||
|
|
|
||
|
|
p = String;
|
||
|
|
|
||
|
|
//
|
||
|
|
// Skip whitespace.
|
||
|
|
//
|
||
|
|
while(SpIsSpace(*p)) {
|
||
|
|
p++;
|
||
|
|
}
|
||
|
|
|
||
|
|
//
|
||
|
|
// First char may be a plus or minus.
|
||
|
|
//
|
||
|
|
Negative = FALSE;
|
||
|
|
if(*p == L'-') {
|
||
|
|
Negative = TRUE;
|
||
|
|
p++;
|
||
|
|
} else {
|
||
|
|
if(*p == L'+') {
|
||
|
|
p++;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
if(!Radix) {
|
||
|
|
if(*p == L'0') {
|
||
|
|
//
|
||
|
|
// Octal number
|
||
|
|
//
|
||
|
|
Radix = 8;
|
||
|
|
p++;
|
||
|
|
if((*p == L'x') || (*p == L'X')) {
|
||
|
|
//
|
||
|
|
// hex number
|
||
|
|
//
|
||
|
|
Radix = 16;
|
||
|
|
p++;
|
||
|
|
}
|
||
|
|
} else {
|
||
|
|
Radix = 10;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
HighestDigitAllowed = (Radix < 10) ? L'0'+(WCHAR)(Radix-1) : L'9';
|
||
|
|
HighestLetterAllowed = (Radix > 10) ? L'A'+(WCHAR)(Radix-11) : 0;
|
||
|
|
|
||
|
|
Accum = 0;
|
||
|
|
|
||
|
|
while(1) {
|
||
|
|
|
||
|
|
c = *p;
|
||
|
|
|
||
|
|
if((c >= L'0') && (c <= HighestDigitAllowed)) {
|
||
|
|
v = c - L'0';
|
||
|
|
} else {
|
||
|
|
|
||
|
|
c = SpToUpper(c);
|
||
|
|
|
||
|
|
if((c >= L'A') && (c <= HighestLetterAllowed)) {
|
||
|
|
v = c - L'A' + 10;
|
||
|
|
} else {
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
Accum *= Radix;
|
||
|
|
Accum += v;
|
||
|
|
|
||
|
|
p++;
|
||
|
|
}
|
||
|
|
|
||
|
|
if(EndOfValue) {
|
||
|
|
*EndOfValue = p;
|
||
|
|
}
|
||
|
|
|
||
|
|
return(Negative ? (0-Accum) : Accum);
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
PWSTR
|
||
|
|
SpAsrHexStringToUChar (
|
||
|
|
IN PWSTR String,
|
||
|
|
OUT unsigned char * Number
|
||
|
|
)
|
||
|
|
/*++
|
||
|
|
Routine Description:
|
||
|
|
|
||
|
|
This routine converts the hex representation of a number into an
|
||
|
|
unsigned char. The hex representation is assumed to be a full
|
||
|
|
two characters long.
|
||
|
|
|
||
|
|
Arguments:
|
||
|
|
|
||
|
|
String - Supplies the hex representation of the number.
|
||
|
|
|
||
|
|
Number - Returns the number converted from hex representation.
|
||
|
|
|
||
|
|
Return Value:
|
||
|
|
|
||
|
|
A pointer to the end of the hex representation is returned if the
|
||
|
|
hex representation was successfully converted to an unsigned char.
|
||
|
|
Otherwise, zero is returned, indicating that an error occured.
|
||
|
|
|
||
|
|
--*/
|
||
|
|
{
|
||
|
|
WCHAR Result;
|
||
|
|
int Count;
|
||
|
|
|
||
|
|
Result = 0;
|
||
|
|
for (Count = 0; Count < 2; Count++, String++) {
|
||
|
|
if ((*String >= L'0') && (*String <= L'9')) {
|
||
|
|
Result = (Result << 4) + *String - L'0';
|
||
|
|
}
|
||
|
|
else if ((*String >= L'A') && (*String <= L'F')) {
|
||
|
|
Result = (Result << 4) + *String - L'A' + 10;
|
||
|
|
}
|
||
|
|
else if ((*String >= L'a') && (*String <= L'f')) {
|
||
|
|
Result = (Result << 4) + *String - L'a' + 10;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
*Number = (unsigned char)Result;
|
||
|
|
|
||
|
|
return String;
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
VOID
|
||
|
|
SpAsrGuidFromString(
|
||
|
|
IN OUT GUID* Guid,
|
||
|
|
IN PWSTR GuidString
|
||
|
|
)
|
||
|
|
/*++
|
||
|
|
|
||
|
|
Routine Description:
|
||
|
|
|
||
|
|
Gets a GUID from a string
|
||
|
|
|
||
|
|
Arguments:
|
||
|
|
|
||
|
|
Guid - The GUID that holds string representation
|
||
|
|
Buffer - The string version of the guid, in the form
|
||
|
|
"%x-%x-%x-%x%x%x%x%x%x%x%x"
|
||
|
|
|
||
|
|
Return Value:
|
||
|
|
|
||
|
|
Returns the converted string version of the given GUID
|
||
|
|
|
||
|
|
--*/
|
||
|
|
{
|
||
|
|
PWSTR Buffer = GuidString;
|
||
|
|
int i = 0;
|
||
|
|
|
||
|
|
if (Guid) {
|
||
|
|
ZeroMemory(Guid, sizeof(GUID));
|
||
|
|
}
|
||
|
|
|
||
|
|
if (Guid && Buffer) {
|
||
|
|
|
||
|
|
Guid->Data1 = SpAsrStringToULong(Buffer, NULL, 16);
|
||
|
|
Buffer += 9;
|
||
|
|
|
||
|
|
Guid->Data2 = SpAsrStringToUShort(Buffer, NULL, 16);
|
||
|
|
Buffer += 5;
|
||
|
|
|
||
|
|
Guid->Data3 = SpAsrStringToUShort(Buffer, NULL, 16);
|
||
|
|
Buffer += 5;
|
||
|
|
|
||
|
|
Buffer = SpAsrHexStringToUChar(Buffer,&(Guid->Data4[0]));
|
||
|
|
Buffer = SpAsrHexStringToUChar(Buffer,&(Guid->Data4[1]));
|
||
|
|
++Buffer;
|
||
|
|
Buffer = SpAsrHexStringToUChar(Buffer,&(Guid->Data4[2]));
|
||
|
|
Buffer = SpAsrHexStringToUChar(Buffer,&(Guid->Data4[3]));
|
||
|
|
Buffer = SpAsrHexStringToUChar(Buffer,&(Guid->Data4[4]));
|
||
|
|
Buffer = SpAsrHexStringToUChar(Buffer,&(Guid->Data4[5]));
|
||
|
|
Buffer = SpAsrHexStringToUChar(Buffer,&(Guid->Data4[6]));
|
||
|
|
Buffer = SpAsrHexStringToUChar(Buffer,&(Guid->Data4[7]));
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
BOOLEAN
|
||
|
|
SpAsrIsZeroGuid(
|
||
|
|
IN GUID * Guid
|
||
|
|
)
|
||
|
|
{
|
||
|
|
|
||
|
|
GUID ZeroGuid;
|
||
|
|
|
||
|
|
ZeroMemory(&ZeroGuid, sizeof(GUID));
|
||
|
|
|
||
|
|
if (!memcmp(&ZeroGuid, Guid, sizeof(GUID))) {
|
||
|
|
return TRUE;
|
||
|
|
}
|
||
|
|
|
||
|
|
return FALSE;
|
||
|
|
}
|
||
|
|
|