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66 lines
1.5 KiB
66 lines
1.5 KiB
/*++
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Copyright (c) Microsoft Corporation
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Module Name:
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rtlvalidateunicodestring.c
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Abstract:
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This module implements NLS support functions for NT.
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Author:
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Mark Lucovsky (markl) 16-Apr-1991
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Environment:
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Kernel or user-mode
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Revision History:
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16-Feb-1993 JulieB Added Upcase Rtl Routines.
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08-Mar-1993 JulieB Moved Upcase Macro to ntrtlp.h.
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02-Apr-1993 JulieB Fixed RtlAnsiCharToUnicodeChar to use transl. tbls.
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02-Apr-1993 JulieB Fixed BUFFER_TOO_SMALL check.
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28-May-1993 JulieB Fixed code to properly handle DBCS.
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November 30, 2001 JayKrell broken out of nls.c for easier reuse
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--*/
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NTSTATUS
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RtlValidateUnicodeString(
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ULONG Flags,
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const UNICODE_STRING *String
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)
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{
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NTSTATUS Status = STATUS_SUCCESS;
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ASSERT(Flags == 0);
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if (Flags != 0) {
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Status = STATUS_INVALID_PARAMETER;
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goto Exit;
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}
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if (String != NULL) {
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if (((String->Length % 2) != 0) ||
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((String->MaximumLength % 2) != 0) ||
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(String->Length > String->MaximumLength)) {
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Status = STATUS_INVALID_PARAMETER;
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goto Exit;
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}
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if (((String->Length != 0) ||
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(String->MaximumLength != 0)) &&
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(String->Buffer == NULL)) {
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Status = STATUS_INVALID_PARAMETER;
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goto Exit;
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}
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}
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Status = STATUS_SUCCESS;
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Exit:
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return Status;
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}
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