155 lines
4.8 KiB
C
155 lines
4.8 KiB
C
/******************************************************************************
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*
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* Module Name: asluuid-- compiler UUID support
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*
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*****************************************************************************/
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/*
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* Copyright (C) 2000 - 2015, Intel Corp.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions, and the following disclaimer,
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* without modification.
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* 2. Redistributions in binary form must reproduce at minimum a disclaimer
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* substantially similar to the "NO WARRANTY" disclaimer below
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* ("Disclaimer") and any redistribution must be conditioned upon
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* including a substantially similar Disclaimer requirement for further
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* binary redistribution.
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* 3. Neither the names of the above-listed copyright holders nor the names
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* of any contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* Alternatively, this software may be distributed under the terms of the
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* GNU General Public License ("GPL") version 2 as published by the Free
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* Software Foundation.
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*
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* NO WARRANTY
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
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* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGES.
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*/
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#include <contrib/dev/acpica/compiler/aslcompiler.h>
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#define _COMPONENT ACPI_COMPILER
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ACPI_MODULE_NAME ("asluuid")
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extern UINT8 AcpiGbl_MapToUuidOffset[UUID_BUFFER_LENGTH];
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/*******************************************************************************
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*
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* FUNCTION: AuValiduateUuid
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*
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* PARAMETERS: InString - 36-byte formatted UUID string
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*
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* RETURN: Status
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*
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* DESCRIPTION: Check all 36 characters for correct format
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*
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******************************************************************************/
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ACPI_STATUS
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AuValidateUuid (
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char *InString)
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{
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UINT32 i;
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if (!InString || (strlen (InString) != UUID_STRING_LENGTH))
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{
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return (AE_BAD_PARAMETER);
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}
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/* Check all 36 characters for correct format */
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for (i = 0; i < UUID_STRING_LENGTH; i++)
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{
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/* Must have 4 hyphens (dashes) in these positions: */
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if ((i == UUID_HYPHEN1_OFFSET) ||
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(i == UUID_HYPHEN2_OFFSET) ||
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(i == UUID_HYPHEN3_OFFSET) ||
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(i == UUID_HYPHEN4_OFFSET))
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{
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if (InString[i] != '-')
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{
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return (AE_BAD_PARAMETER);
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}
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}
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/* All other positions must contain hex digits */
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else
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{
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if (!isxdigit ((int) InString[i]))
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{
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return (AE_BAD_PARAMETER);
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}
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}
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}
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return (AE_OK);
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}
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/*******************************************************************************
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*
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* FUNCTION: AuConvertUuidToString
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*
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* PARAMETERS: UuidBuffer - 16-byte UUID buffer
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* OutString - 36-byte formatted UUID string
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*
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* RETURN: Status
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*
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* DESCRIPTION: Convert 16-byte UUID buffer to 36-byte formatted UUID string
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* OutString must be 37 bytes to include null terminator.
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*
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******************************************************************************/
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ACPI_STATUS
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AuConvertUuidToString (
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char *UuidBuffer,
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char *OutString)
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{
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UINT32 i;
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if (!UuidBuffer || !OutString)
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{
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return (AE_BAD_PARAMETER);
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}
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for (i = 0; i < UUID_BUFFER_LENGTH; i++)
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{
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OutString[AcpiGbl_MapToUuidOffset[i]] =
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AcpiUtHexToAsciiChar (UuidBuffer[i], 4);
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OutString[AcpiGbl_MapToUuidOffset[i] + 1] =
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AcpiUtHexToAsciiChar (UuidBuffer[i], 0);
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}
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/* Insert required hyphens (dashes) */
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OutString[UUID_HYPHEN1_OFFSET] =
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OutString[UUID_HYPHEN2_OFFSET] =
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OutString[UUID_HYPHEN3_OFFSET] =
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OutString[UUID_HYPHEN4_OFFSET] = '-';
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OutString[UUID_STRING_LENGTH] = 0; /* Null terminate */
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return (AE_OK);
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}
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