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The RtlLengthSecurityDescriptor routine returns the size of a given security descriptor.
Syntax
NTSYSAPI ULONG RtlLengthSecurityDescriptor(
[in] PSECURITY_DESCRIPTOR SecurityDescriptor
);
Parameters
[in] SecurityDescriptor
Pointer to a SECURITY_DESCRIPTOR.
Return value
RtlLengthSecurityDescriptor returns the size in bytes of the descriptor.
Requirements
| Requirement | Value |
|---|---|
| Minimum supported client | Available in Windows 2000 and later versions of Windows. |
| Target Platform | Universal |
| Header | wdm.h (include Wdm.h, Ntddk.h, Ntifs.h) |
| Library | NtosKrnl.lib |
| DLL | NtosKrnl.exe |
| IRQL | PASSIVE_LEVEL |