mirror of
https://github.com/reactos/reactos.git
synced 2024-12-29 10:35:28 +00:00
166 lines
No EOL
3.5 KiB
C++
166 lines
No EOL
3.5 KiB
C++
////////////////////////////////////////////////////////////////////
|
|
// Copyright (C) Alexander Telyatnikov, Ivan Keliukh, Yegor Anchishkin, SKIF Software, 1999-2013. Kiev, Ukraine
|
|
// All rights reserved
|
|
// This file was released under the GPLv2 on June 2015.
|
|
////////////////////////////////////////////////////////////////////
|
|
|
|
extern "C"
|
|
ULONG
|
|
MyRtlCompareMemory(
|
|
PVOID s1,
|
|
PVOID s2,
|
|
ULONG len
|
|
)
|
|
{
|
|
ULONG i;
|
|
|
|
for(i=0; i<len; i++) {
|
|
if( ((char*)s1)[i] != ((char*)s2)[i] )
|
|
break;
|
|
}
|
|
return i;
|
|
}
|
|
|
|
#define STRING_BUFFER_ALIGNMENT (32)
|
|
#define STRING_BUFFER_ALIGN(sz) (((sz)+STRING_BUFFER_ALIGNMENT)&(~((ULONG)(STRING_BUFFER_ALIGNMENT-1))))
|
|
|
|
#ifndef NT_NATIVE_MODE
|
|
|
|
extern "C"
|
|
ULONG
|
|
RtlCompareUnicodeString(
|
|
PUNICODE_STRING s1,
|
|
PUNICODE_STRING s2,
|
|
BOOLEAN UpCase
|
|
)
|
|
{
|
|
ULONG i;
|
|
|
|
if(s1->Length != s2->Length) return (-1);
|
|
i = memcmp(s1->Buffer, s2->Buffer, (s1->Length) ? (s1->Length) : (s2->Length));
|
|
return i;
|
|
}
|
|
|
|
extern "C"
|
|
NTSTATUS
|
|
RtlUpcaseUnicodeString(
|
|
PUNICODE_STRING dst,
|
|
PUNICODE_STRING src,
|
|
BOOLEAN Alloc
|
|
)
|
|
{
|
|
// 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;
|
|
}
|
|
|
|
extern "C"
|
|
NTSTATUS
|
|
RtlAppendUnicodeToString(
|
|
IN PUNICODE_STRING Str1,
|
|
IN PWSTR Str2
|
|
)
|
|
{
|
|
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()
|
|
|
|
#endif //NT_NATIVE_MODE
|
|
|
|
#ifdef CDRW_W32
|
|
NTSTATUS
|
|
MyInitUnicodeString(
|
|
IN PUNICODE_STRING Str1,
|
|
IN PCWSTR Str2
|
|
)
|
|
{
|
|
|
|
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_
|
|
|
|
Str1->MaximumLength = STRING_BUFFER_ALIGN((Str1->Length = i) + sizeof(WCHAR));
|
|
Str1->Buffer = (PWCHAR)MyAllocatePool__(NonPagedPool, Str1->MaximumLength);
|
|
if(!Str1->Buffer)
|
|
return STATUS_INSUFFICIENT_RESOURCES;
|
|
RtlCopyMemory(Str1->Buffer, Str2, i);
|
|
Str1->Buffer[i/sizeof(WCHAR)] = 0;
|
|
return STATUS_SUCCESS;
|
|
|
|
} // end MyInitUnicodeString()
|
|
#endif //CDRW_W32
|