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asluuid.c revision 1.1.1.11
      1       1.1    jruoho /******************************************************************************
      2       1.1    jruoho  *
      3       1.1    jruoho  * Module Name: asluuid-- compiler UUID support
      4       1.1    jruoho  *
      5       1.1    jruoho  *****************************************************************************/
      6       1.1    jruoho 
      7       1.1    jruoho /*
      8  1.1.1.11  christos  * Copyright (C) 2000 - 2021, Intel Corp.
      9       1.1    jruoho  * All rights reserved.
     10       1.1    jruoho  *
     11       1.1    jruoho  * Redistribution and use in source and binary forms, with or without
     12       1.1    jruoho  * modification, are permitted provided that the following conditions
     13       1.1    jruoho  * are met:
     14       1.1    jruoho  * 1. Redistributions of source code must retain the above copyright
     15       1.1    jruoho  *    notice, this list of conditions, and the following disclaimer,
     16       1.1    jruoho  *    without modification.
     17       1.1    jruoho  * 2. Redistributions in binary form must reproduce at minimum a disclaimer
     18       1.1    jruoho  *    substantially similar to the "NO WARRANTY" disclaimer below
     19       1.1    jruoho  *    ("Disclaimer") and any redistribution must be conditioned upon
     20       1.1    jruoho  *    including a substantially similar Disclaimer requirement for further
     21       1.1    jruoho  *    binary redistribution.
     22       1.1    jruoho  * 3. Neither the names of the above-listed copyright holders nor the names
     23       1.1    jruoho  *    of any contributors may be used to endorse or promote products derived
     24       1.1    jruoho  *    from this software without specific prior written permission.
     25       1.1    jruoho  *
     26       1.1    jruoho  * Alternatively, this software may be distributed under the terms of the
     27       1.1    jruoho  * GNU General Public License ("GPL") version 2 as published by the Free
     28       1.1    jruoho  * Software Foundation.
     29       1.1    jruoho  *
     30       1.1    jruoho  * NO WARRANTY
     31       1.1    jruoho  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
     32       1.1    jruoho  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
     33  1.1.1.11  christos  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
     34       1.1    jruoho  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
     35       1.1    jruoho  * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     36       1.1    jruoho  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     37       1.1    jruoho  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     38       1.1    jruoho  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
     39       1.1    jruoho  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
     40       1.1    jruoho  * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     41       1.1    jruoho  * POSSIBILITY OF SUCH DAMAGES.
     42       1.1    jruoho  */
     43       1.1    jruoho 
     44       1.1    jruoho #include "aslcompiler.h"
     45       1.1    jruoho 
     46       1.1    jruoho #define _COMPONENT          ACPI_COMPILER
     47       1.1    jruoho         ACPI_MODULE_NAME    ("asluuid")
     48       1.1    jruoho 
     49       1.1    jruoho 
     50   1.1.1.6  christos extern UINT8                AcpiGbl_MapToUuidOffset[UUID_BUFFER_LENGTH];
     51       1.1    jruoho 
     52       1.1    jruoho 
     53       1.1    jruoho /*******************************************************************************
     54       1.1    jruoho  *
     55       1.1    jruoho  * FUNCTION:    AuValiduateUuid
     56       1.1    jruoho  *
     57       1.1    jruoho  * PARAMETERS:  InString            - 36-byte formatted UUID string
     58       1.1    jruoho  *
     59       1.1    jruoho  * RETURN:      Status
     60       1.1    jruoho  *
     61       1.1    jruoho  * DESCRIPTION: Check all 36 characters for correct format
     62       1.1    jruoho  *
     63       1.1    jruoho  ******************************************************************************/
     64       1.1    jruoho 
     65       1.1    jruoho ACPI_STATUS
     66       1.1    jruoho AuValidateUuid (
     67       1.1    jruoho     char                    *InString)
     68       1.1    jruoho {
     69       1.1    jruoho     UINT32                  i;
     70       1.1    jruoho 
     71       1.1    jruoho 
     72   1.1.1.5  christos     if (!InString || (strlen (InString) != UUID_STRING_LENGTH))
     73       1.1    jruoho     {
     74       1.1    jruoho         return (AE_BAD_PARAMETER);
     75       1.1    jruoho     }
     76       1.1    jruoho 
     77       1.1    jruoho     /* Check all 36 characters for correct format */
     78       1.1    jruoho 
     79       1.1    jruoho     for (i = 0; i < UUID_STRING_LENGTH; i++)
     80       1.1    jruoho     {
     81       1.1    jruoho         /* Must have 4 hyphens (dashes) in these positions: */
     82       1.1    jruoho 
     83       1.1    jruoho         if ((i == UUID_HYPHEN1_OFFSET) ||
     84       1.1    jruoho             (i == UUID_HYPHEN2_OFFSET) ||
     85       1.1    jruoho             (i == UUID_HYPHEN3_OFFSET) ||
     86       1.1    jruoho             (i == UUID_HYPHEN4_OFFSET))
     87       1.1    jruoho         {
     88       1.1    jruoho             if (InString[i] != '-')
     89       1.1    jruoho             {
     90       1.1    jruoho                 return (AE_BAD_PARAMETER);
     91       1.1    jruoho             }
     92       1.1    jruoho         }
     93       1.1    jruoho         else
     94       1.1    jruoho         {
     95   1.1.1.6  christos             /* All other positions must contain hex digits */
     96   1.1.1.6  christos 
     97       1.1    jruoho             if (!isxdigit ((int) InString[i]))
     98       1.1    jruoho             {
     99       1.1    jruoho                 return (AE_BAD_PARAMETER);
    100       1.1    jruoho             }
    101       1.1    jruoho         }
    102       1.1    jruoho     }
    103       1.1    jruoho 
    104       1.1    jruoho     return (AE_OK);
    105       1.1    jruoho }
    106       1.1    jruoho 
    107       1.1    jruoho 
    108       1.1    jruoho /*******************************************************************************
    109       1.1    jruoho  *
    110       1.1    jruoho  * FUNCTION:    AuConvertUuidToString
    111       1.1    jruoho  *
    112       1.1    jruoho  * PARAMETERS:  UuidBuffer          - 16-byte UUID buffer
    113       1.1    jruoho  *              OutString           - 36-byte formatted UUID string
    114       1.1    jruoho  *
    115       1.1    jruoho  * RETURN:      Status
    116       1.1    jruoho  *
    117       1.1    jruoho  * DESCRIPTION: Convert 16-byte UUID buffer to 36-byte formatted UUID string
    118       1.1    jruoho  *              OutString must be 37 bytes to include null terminator.
    119       1.1    jruoho  *
    120       1.1    jruoho  ******************************************************************************/
    121       1.1    jruoho 
    122       1.1    jruoho ACPI_STATUS
    123       1.1    jruoho AuConvertUuidToString (
    124       1.1    jruoho     char                    *UuidBuffer,
    125       1.1    jruoho     char                    *OutString)
    126       1.1    jruoho {
    127       1.1    jruoho     UINT32                  i;
    128       1.1    jruoho 
    129       1.1    jruoho 
    130       1.1    jruoho     if (!UuidBuffer || !OutString)
    131       1.1    jruoho     {
    132       1.1    jruoho         return (AE_BAD_PARAMETER);
    133       1.1    jruoho     }
    134       1.1    jruoho 
    135       1.1    jruoho     for (i = 0; i < UUID_BUFFER_LENGTH; i++)
    136       1.1    jruoho     {
    137   1.1.1.3  christos         OutString[AcpiGbl_MapToUuidOffset[i]] =
    138   1.1.1.3  christos             AcpiUtHexToAsciiChar (UuidBuffer[i], 4);
    139   1.1.1.3  christos 
    140   1.1.1.3  christos         OutString[AcpiGbl_MapToUuidOffset[i] + 1] =
    141   1.1.1.3  christos             AcpiUtHexToAsciiChar (UuidBuffer[i], 0);
    142       1.1    jruoho     }
    143       1.1    jruoho 
    144       1.1    jruoho     /* Insert required hyphens (dashes) */
    145       1.1    jruoho 
    146       1.1    jruoho     OutString[UUID_HYPHEN1_OFFSET] =
    147       1.1    jruoho     OutString[UUID_HYPHEN2_OFFSET] =
    148       1.1    jruoho     OutString[UUID_HYPHEN3_OFFSET] =
    149       1.1    jruoho     OutString[UUID_HYPHEN4_OFFSET] = '-';
    150       1.1    jruoho 
    151       1.1    jruoho     OutString[UUID_STRING_LENGTH] = 0; /* Null terminate */
    152       1.1    jruoho     return (AE_OK);
    153       1.1    jruoho }
    154