1/****************************************************************************** 2 * 3 * Module Name: asluuid-- compiler UUID support 4 * 5 *****************************************************************************/ 6 7/* 8 * Copyright (C) 2000 - 2023, Intel Corp. 9 * All rights reserved. 10 * 11 * Redistribution and use in source and binary forms, with or without 12 * modification, are permitted provided that the following conditions 13 * are met: 14 * 1. Redistributions of source code must retain the above copyright 15 * notice, this list of conditions, and the following disclaimer, 16 * without modification. 17 * 2. Redistributions in binary form must reproduce at minimum a disclaimer 18 * substantially similar to the "NO WARRANTY" disclaimer below 19 * ("Disclaimer") and any redistribution must be conditioned upon 20 * including a substantially similar Disclaimer requirement for further 21 * binary redistribution. 22 * 3. Neither the names of the above-listed copyright holders nor the names 23 * of any contributors may be used to endorse or promote products derived 24 * from this software without specific prior written permission. 25 * 26 * Alternatively, this software may be distributed under the terms of the 27 * GNU General Public License ("GPL") version 2 as published by the Free 28 * Software Foundation. 29 * 30 * NO WARRANTY 31 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 32 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 33 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 34 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 35 * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 36 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 37 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 38 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, 39 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING 40 * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 41 * POSSIBILITY OF SUCH DAMAGES. 42 */ 43 44#include "aslcompiler.h" 45 46#define _COMPONENT ACPI_COMPILER 47 ACPI_MODULE_NAME ("asluuid") 48 49 50extern UINT8 AcpiGbl_MapToUuidOffset[UUID_BUFFER_LENGTH]; 51 52 53/******************************************************************************* 54 * 55 * FUNCTION: AuValiduateUuid 56 * 57 * PARAMETERS: InString - 36-byte formatted UUID string 58 * 59 * RETURN: Status 60 * 61 * DESCRIPTION: Check all 36 characters for correct format 62 * 63 ******************************************************************************/ 64 65ACPI_STATUS 66AuValidateUuid ( 67 char *InString) 68{ 69 UINT32 i; 70 71 72 if (!InString || (strlen (InString) != UUID_STRING_LENGTH)) 73 { 74 return (AE_BAD_PARAMETER); 75 } 76 77 /* Check all 36 characters for correct format */ 78 79 for (i = 0; i < UUID_STRING_LENGTH; i++) 80 { 81 /* Must have 4 hyphens (dashes) in these positions: */ 82 83 if ((i == UUID_HYPHEN1_OFFSET) || 84 (i == UUID_HYPHEN2_OFFSET) || 85 (i == UUID_HYPHEN3_OFFSET) || 86 (i == UUID_HYPHEN4_OFFSET)) 87 { 88 if (InString[i] != '-') 89 { 90 return (AE_BAD_PARAMETER); 91 } 92 } 93 else 94 { 95 /* All other positions must contain hex digits */ 96 97 if (!isxdigit ((int) InString[i])) 98 { 99 return (AE_BAD_PARAMETER); 100 } 101 } 102 } 103 104 return (AE_OK); 105} 106