ACPI_STATUS AcpiNsHandleToPathname	(	ACPI_HANDLE	TargetHandle,
		ACPI_BUFFER *	Buffer
	)

Definition at line 328 of file nsnames.c.

Referenced by AcpiGetName(), AcpiNsPrintNodePathname(), and AcpiRsCreatePciRoutingTable().

{
    ACPI_STATUS             Status;
    ACPI_NAMESPACE_NODE     *Node;
    ACPI_SIZE               RequiredSize;


    ACPI_FUNCTION_TRACE_PTR (NsHandleToPathname, TargetHandle);


    Node = AcpiNsValidateHandle (TargetHandle);
    if (!Node)
    {
        return_ACPI_STATUS (AE_BAD_PARAMETER);
    }

    /* Determine size required for the caller buffer */

    RequiredSize = AcpiNsGetPathnameLength (Node);
    if (!RequiredSize)
    {
        return_ACPI_STATUS (AE_BAD_PARAMETER);
    }

    /* Validate/Allocate/Clear caller buffer */

    Status = AcpiUtInitializeBuffer (Buffer, RequiredSize);
    if (ACPI_FAILURE (Status))
    {
        return_ACPI_STATUS (Status);
    }

    /* Build the path in the caller buffer */

    Status = AcpiNsBuildExternalPath (Node, RequiredSize, Buffer->Pointer);
    if (ACPI_FAILURE (Status))
    {
        return_ACPI_STATUS (Status);
    }

    ACPI_DEBUG_PRINT ((ACPI_DB_EXEC, "%s [%X]\n",
        (char *) Buffer->Pointer, (UINT32) RequiredSize));
    return_ACPI_STATUS (AE_OK);
}

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