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The RtlFreeUnicodeString routine releases storage that was allocated by RtlAnsiStringToUnicodeString or RtlUpcaseUnicodeString.
Syntax
NTSYSAPI VOID RtlFreeUnicodeString(
[in, out] PUNICODE_STRING UnicodeString
);
Parameters
[in, out] UnicodeString
Pointer to the Unicode string buffer previously allocated by RtlAnsiStringToUnicodeString or RtlUpcaseUnicodeString.
Return value
None
Remarks
This routine does not release the ANSI string buffer passed to RtlAnsiStringToUnicodeString.
Requirements
| Requirement | Value |
|---|---|
| Minimum supported client | Available starting with Windows 2000. |
| Target Platform | Universal |
| Header | wdm.h (include Wdm.h, Ntddk.h, Ntifs.h, Wudfwdm.h) |
| Library | NtosKrnl.lib |
| DLL | NtosKrnl.exe |
| IRQL | <=APC_LEVEL |