/*******************************************************************************
*
* Module Name: nsnames - Name manipulation and search
*
******************************************************************************/
/*
* Copyright (C) 2000 - 2016, Intel Corp.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions, and the following disclaimer,
* without modification.
* 2. Redistributions in binary form must reproduce at minimum a disclaimer
* substantially similar to the "NO WARRANTY" disclaimer below
* ("Disclaimer") and any redistribution must be conditioned upon
* including a substantially similar Disclaimer requirement for further
* binary redistribution.
* 3. Neither the names of the above-listed copyright holders nor the names
* of any contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* Alternatively, this software may be distributed under the terms of the
* GNU General Public License ("GPL") version 2 as published by the Free
* Software Foundation.
*
* NO WARRANTY
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGES.
*/
#include "acpi.h"
#include "accommon.h"
#include "amlcode.h"
#include "acnamesp.h"
ACPI_MODULE_NAME ("nsnames")
/*******************************************************************************
*
* FUNCTION: AcpiNsGetExternalPathname
*
* PARAMETERS: Node - Namespace node whose pathname is needed
*
* RETURN: Pointer to storage containing the fully qualified name of
* the node, In external format (name segments separated by path
* separators.)
*
* DESCRIPTION: Used to obtain the full pathname to a namespace node, usually
* for error and debug statements.
*
******************************************************************************/
char *
{
char *NameBuffer;
}
/*******************************************************************************
*
* FUNCTION: AcpiNsGetPathnameLength
*
* PARAMETERS: Node - Namespace node
*
* RETURN: Length of path, including prefix
*
* DESCRIPTION: Get the length of the pathname string for this node
*
******************************************************************************/
{
return (Size);
}
/*******************************************************************************
*
* FUNCTION: AcpiNsHandleToPathname
*
* PARAMETERS: TargetHandle - Handle of named object whose name is
* to be found
* Buffer - Where the pathname is returned
* NoTrailing - Remove trailing '_' for each name
* segment
*
* RETURN: Status, Buffer is filled with pathname if status is AE_OK
*
* DESCRIPTION: Build and return a full namespace pathname
*
******************************************************************************/
{
if (!Node)
{
}
/* Determine size required for the caller buffer */
if (!RequiredSize)
{
}
if (ACPI_FAILURE (Status))
{
}
/* Build the path in the caller buffer */
if (ACPI_FAILURE (Status))
{
}
}
/*******************************************************************************
*
* FUNCTION: AcpiNsBuildNormalizedPath
*
* PARAMETERS: Node - Namespace node
* FullPath - Where the path name is returned
* PathSize - Size of returned path name buffer
* NoTrailing - Remove trailing '_' from each name segment
*
* RETURN: Return 1 if the AML path is empty, otherwise returning (length
* of pathname + 1) which means the 'FullPath' contains a trailing
* null.
*
* DESCRIPTION: Build and return a full namespace pathname.
* Note that if the size of 'FullPath' isn't large enough to
* contain the namespace node's path name, the actual required
* buffer length is returned, and it should be greater than
* 'PathSize'. So callers are able to check the returning value
* to determine the buffer size of 'FullPath'.
*
******************************************************************************/
char *FullPath,
{
do { \
{ \
} \
(Length)++; \
} while (0)
/*
* Make sure the PathSize is correct, so that we don't need to
* validate both FullPath and PathSize.
*/
if (!FullPath)
{
PathSize = 0;
}
if (!Node)
{
goto BuildTrailingNull;
}
{
{
}
for (i = 0; i < 4; i++)
{
if (DoNoTrailing && c != '_')
{
}
if (!DoNoTrailing)
{
}
}
}
/* Reverse the path string */
{
{
c = *Left;
*Right-- = c;
}
}
/* Append the trailing null */
}
/*******************************************************************************
*
* FUNCTION: AcpiNsGetNormalizedPathname
*
* PARAMETERS: Node - Namespace node whose pathname is needed
* NoTrailing - Remove trailing '_' from each name segment
*
* RETURN: Pointer to storage containing the fully qualified name of
* the node, In external format (name segments separated by path
* separators.)
*
* DESCRIPTION: Used to obtain the full pathname to a namespace node, usually
* for error and debug statements. All trailing '_' will be
* removed from the full pathname if 'NoTrailing' is specified..
*
******************************************************************************/
char *
{
char *NameBuffer;
/* Calculate required buffer size based on depth below root */
if (!Size)
{
return_PTR (NULL);
}
/* Allocate a buffer to be returned to caller */
if (!NameBuffer)
{
return_PTR (NULL);
}
/* Build the path in the allocated buffer */
}