string_lib.cpp File Reference

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Macros
#define	STRING_BUFFER_ALIGNMENT   (32)
#define	STRING_BUFFER_ALIGN(sz)   (((sz)+STRING_BUFFER_ALIGNMENT)&(~((ULONG)(STRING_BUFFER_ALIGNMENT-1))))

Functions
ULONG	MyRtlCompareMemory (PVOID s1, PVOID s2, ULONG len)
ULONG	RtlCompareUnicodeString (PUNICODE_STRING s1, PUNICODE_STRING s2, BOOLEAN UpCase)
NTSTATUS	RtlUpcaseUnicodeString (PUNICODE_STRING dst, PUNICODE_STRING src, BOOLEAN Alloc)
NTSTATUS	RtlAppendUnicodeToString (IN PUNICODE_STRING Str1, IN PWSTR Str2)

Macro Definition Documentation

STRING_BUFFER_ALIGN

#define STRING_BUFFER_ALIGN

(

sz

)

(((sz)+STRING_BUFFER_ALIGNMENT)&(~((ULONG)(STRING_BUFFER_ALIGNMENT-1))))

Definition at line 25 of file string_lib.cpp.

STRING_BUFFER_ALIGNMENT

#define STRING_BUFFER_ALIGNMENT   (32)

Definition at line 24 of file string_lib.cpp.

Function Documentation

MyRtlCompareMemory()

ULONG MyRtlCompareMemory	(	PVOID	s1,
		PVOID	s2,
		ULONG	len
	)

Definition at line 9 of file string_lib.cpp.

{
    ULONG i;
 
    for(i=0; i<len; i++) {
        if( ((char*)s1)[i] != ((char*)s2)[i] )
            break;
    }
    return i;
}

RtlAppendUnicodeToString()

NTSTATUS RtlAppendUnicodeToString	(	IN PUNICODE_STRING	Str1,
		IN PWSTR	Str2
	)

Definition at line 62 of file string_lib.cpp.

{
    PWCHAR tmp;
    USHORT i;
 
#ifdef _X86_
 
    __asm push  ebx
    __asm push  esi
    __asm xor   ebx,ebx
    __asm mov   esi,Str2
Scan_1:
    __asm cmp   [word ptr esi+ebx],0
    __asm je    EO_Scan
    __asm add   ebx,2
    __asm jmp   Scan_1
EO_Scan:
    __asm mov   i,bx
    __asm pop   esi
    __asm pop   ebx
 
#else   // NO X86 optimization, use generic C/C++
 
    i=0;
    while(Str2[i]) {
       i++;
    }
    i *= sizeof(WCHAR);
 
#endif // _X86_
 
    tmp = Str1->Buffer;
    ASSERT(Str1->MaximumLength);
    if((Str1->Length+i+sizeof(WCHAR)) > Str1->MaximumLength) {
        PWCHAR tmp2 = (PWCHAR)ExAllocatePoolWithTag(NonPagedPool, STRING_BUFFER_ALIGN(i + Str1->Length + sizeof(WCHAR))*2, 'ilTS');
        if(!tmp2)
            return STATUS_INSUFFICIENT_RESOURCES;
        memcpy(tmp2, tmp, Str1->MaximumLength);
        ExFreePool(tmp);
        tmp = tmp2;
        Str1->MaximumLength = STRING_BUFFER_ALIGN(i + sizeof(WCHAR))*2;
        Str1->Buffer = tmp;
    }
    RtlCopyMemory(((PCHAR)tmp)+Str1->Length, Str2, i);
    i+=Str1->Length;
    tmp[(i / sizeof(WCHAR))] = 0;
    Str1->Length = i;
 
    return STATUS_SUCCESS;
 
#undef UDF_UNC_STR_TAG
 
} // end RtlAppendUnicodeToString()

Referenced by _Success_(), _test_key_name(), AddKbLayoutsToRegistry(), AppendUserEnvironmentVariable(), AtapiRegCheckParameterValue(), AVrfpLoadAndInitializeProvider(), BaseInitApphelp(), BuildLm20LogonProfileBuffer(), BuildSubSysCommandLine(), CmpAddDriverToList(), CreateClassDeviceObject(), CreateProcessInternalW(), CsrApiPortInitialize(), CsrpConnectToServer(), CsrSbApiPortInitialize(), DriverEntry(), EnumerateDevices(), ExpandSymbolicLink(), ExpLoadInitialProcess(), Ext2QueryRegistrySettings(), FltpOpenFilterServicesKey(), GetComputerNameExW(), InitFunctionPtrs(), InitializeProvider(), InitTestData(), InsertAudioDevice(), IntCreateNewRegistryPath(), IntCreateRegistryPath(), IntGdiAddFontResourceEx(), IntGdiLoadFontsFromMemory(), IoOpenDeviceRegistryKey(), IopCreateDeviceInstancePath(), IopGetDriverNames(), IopInitializeBuiltinDriver(), IopOpenInterfaceKey(), IopQueryBusDescription(), IopQueryDeviceDescription(), IopUnloadDriver(), IoQueryDeviceDescription(), IoRegisterDeviceInterface(), KsCacheMedium(), KsCreateBusEnumObject(), KspCreateObjectType(), LDEVOBJ_pLoadDriver(), LdrpInitializeProcess(), LogMessage(), NdisOpenProtocolConfiguration(), NtUserGetKeyboardLayoutName(), PnpRootCreateDevice(), ReadRegistryEntries(), RegOpenUserClassesRoot(), RtlFormatCurrentUserKeyPath(), RtlpGetRegistryHandle(), SdbpMatchExe(), SdbpOpenKey(), SdbUnregisterDatabase(), SearchForLegacyDrivers(), SeiInitPaths(), SmpInvokeAutoChk(), SmpParseCommandLine(), START_TEST(), UDFRegCheckParameterValue(), UserpFormatMessages(), vfatGetFCBForFile(), vfatMakeFullName(), ViCreateDriveLetter(), ViLoadImagesFromRegistry(), W32kDosPathNameToNtPathName(), WinLdrAddDriverToList(), and WinLdrGetNLSNames().

RtlCompareUnicodeString()

ULONG RtlCompareUnicodeString	(	PUNICODE_STRING	s1,
		PUNICODE_STRING	s2,
		BOOLEAN	UpCase
	)

Definition at line 31 of file string_lib.cpp.

{
    ULONG i;
 
    if(s1->Length != s2->Length) return (-1);
    i = memcmp(s1->Buffer, s2->Buffer, (s1->Length) ? (s1->Length) : (s2->Length));
    return i;
}

Referenced by _test_key_name(), ApphelpShimCacheCompareRoutine(), CheckForDeviceDesc(), CmpCompareSubkeys(), CmpDoCompareKeyName(), CmpFindNameInList(), CmpFindValueByNameFromCache(), CmpIsHiveAlreadyLoaded(), CmpValidateLexicalOrder(), CompareFileName(), CNtObjectFolder::CompareIDs(), CompareTreeKeys(), DeleteSymbolicLinkNameFromMemory(), Ext2FillEntry(), Ext2ParseRegistryVolumeParams(), Ext2QueryDirectory(), Ext2SearchMcbWithoutLock(), FindMatchingCreateItem(), FltpAttachToFileSystemDevice(), FsRtlCompareNodeAndKey(), FxVerifyAllocateDebugInfo(), has_nfs_prefix(), InitFunctionPtrs(), IntFindAliasHeader(), IntFindWindow(), IntGetAliasEntry(), IntInsertAliasEntry(), IntInsertAliasHeader(), IopMapDetectedDeviceId(), IopMapPeripheralId(), IsBatteryAlreadyOnList(), KernelModeTest(), LocateAdapterBindingByName(), map_sec_flavor(), MatchFontName(), MiniLocateDevice(), MountMgrMountedDeviceRemoval(), MountMgrNextDriveLetterWorker(), MountMgrNotifyNameChange(), MsfsCreate(), MsfsCreateMailslot(), NdisCompareUnicodeString(), nfs41_SetFileInformation(), NtUserFindExistingCursorIcon(), NtUserFindWindowEx(), RemoveBatteryFromList(), RtlGetNtProductType(), RtlSetEnvironmentVariable(), SmpFindRegistryValue(), SmpSaveRegistryValue(), START_TEST(), Test_KeyNameInformation(), TestFltRegisterFilter(), TestFsRtlAddToTunnelCache(), TestIoCreateFile(), TestIrpHandler(), TestSymlinks(), UDFBuildHashEntry(), UDFCompareFileInfo(), UDFCompareVcb(), UDFFindFile(), UDFIsNameInExpression(), VfatVerify(), WinLdrLoadNLSData(), and wmain().

RtlUpcaseUnicodeString()

NTSTATUS RtlUpcaseUnicodeString	(	PUNICODE_STRING	dst,
		PUNICODE_STRING	src,
		BOOLEAN	Alloc
	)

Definition at line 46 of file string_lib.cpp.

{
//    if(s1->Length != s2->Length) return (-1);
    memcpy(dst->Buffer, src->Buffer, src->Length);
    dst->Buffer[src->Length/sizeof(WCHAR)] = 0;
    dst->Length = src->Length;
    _wcsupr(dst->Buffer);
    return STATUS_SUCCESS;
}

Referenced by add_dir_child(), CdInitializeEnumeration(), CdUpcaseName(), CompareFileName(), create_stream(), DefineDosDeviceW(), Ext2QueryDirectory(), FATAddEntry(), FatConstructNamesInFcb(), FatSetRenameInfo(), file_create2(), find_file_in_dir(), FindFile(), FsRtlAreNamesEqual(), FsRtlIsNameInExpression(), get_manifest_in_module(), get_res_nameA(), get_res_nameW(), load_dir_children(), move_across_subvols(), NdisRegisterProtocol(), NdisUpcaseUnicodeString(), NpCancelWaiter(), NpReadAlias(), NpTranslateAlias(), open_fcb(), open_fileref_child(), query_directory(), rename_file_to_stream(), rename_stream(), set_rename_information(), START_TEST(), TestUpcaseUnicodeString(), UDFBuildHashEntry(), UDFDOSName100(), UDFDOSName200(), UDFDOSName201(), and UDFQueryDirectory().