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implemented RtlHashUnicodeString and export it in ntdll

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svn path=/trunk/; revision=16226
This commit is contained in:
Thomas Bluemel 2005-06-22 21:01:13 +00:00
parent 9900f1ee91
commit 204ad68d21
3 changed files with 50 additions and 8 deletions
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5
reactos/include/ndk/umtypes.h
View file

@ -184,6 +184,11 @@
#define VER_CONDITION_MASK 7
#define VER_NUM_BITS_PER_CONDITION_MASK 3
/* RTL String Hash Algorithms */
#define HASH_STRING_ALGORITHM_DEFAULT 0
#define HASH_STRING_ALGORITHM_X65599 1
#define HASH_STRING_ALGORITHM_INVALID 0xffffffff
/* List Macros */
static __inline
VOID

1
reactos/lib/ntdll/def/ntdll.def
View file

@ -475,6 +475,7 @@ RtlGetSaclSecurityDescriptor@16
RtlGetSecurityDescriptorRMControl@8
;RtlGetUserInfoHeap
RtlGetVersion@4
RtlHashUnicodeString@16
RtlIdentifierAuthoritySid@4
RtlImageDirectoryEntryToData@16
RtlImageNtHeader@4

52
reactos/lib/rtl/unicode.c
View file

@ -1603,19 +1603,55 @@ RtlEraseUnicodeString(
}
/*
* @unimplemented
* @implemented
*/
NTSTATUS
STDCALL
RtlHashUnicodeString(
IN const UNICODE_STRING *String,
IN BOOLEAN CaseInSensitive,
IN ULONG HashAlgorithm,
OUT PULONG HashValue
)
IN CONST UNICODE_STRING *String,
IN BOOLEAN CaseInSensitive,
IN ULONG HashAlgorithm,
OUT PULONG HashValue)
{
UNIMPLEMENTED;
return STATUS_NOT_IMPLEMENTED;
if (String != NULL && HashValue != NULL)
{
switch (HashAlgorithm)
{
case HASH_STRING_ALGORITHM_DEFAULT:
case HASH_STRING_ALGORITHM_X65599:
{
WCHAR *c, *end;
*HashValue = 0;
end = String->Buffer + (String->Length / sizeof(WCHAR));
if (CaseInSensitive)
{
for (c = String->Buffer;
c != end;
c++)
{
/* only uppercase characters if they are 'a' ... 'z'! */
*HashValue = ((65599 * (*HashValue)) +
(ULONG)(((*c) >= L'a' && (*c) <= L'z') ?
(*c) - L'a' + L'A' : (*c)));
}
}
else
{
for (c = String->Buffer;
c != end;
c++)
{
*HashValue = ((65599 * (*HashValue)) + (ULONG)(*c));
}
}
return STATUS_SUCCESS;
}
}
}
return STATUS_INVALID_PARAMETER;
}
/*