1 /******************************************************************************
3 * Module Name: asluuid-- compiler UUID support
5 *****************************************************************************/
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44 #include "aslcompiler.h"
46 #define _COMPONENT ACPI_COMPILER
47 ACPI_MODULE_NAME ("asluuid")
50 extern UINT8 AcpiGbl_MapToUuidOffset[UUID_BUFFER_LENGTH];
53 /*******************************************************************************
55 * FUNCTION: AuValiduateUuid
57 * PARAMETERS: InString - 36-byte formatted UUID string
61 * DESCRIPTION: Check all 36 characters for correct format
63 ******************************************************************************/
72 if (!InString || (strlen (InString) != UUID_STRING_LENGTH))
74 return (AE_BAD_PARAMETER);
77 /* Check all 36 characters for correct format */
79 for (i = 0; i < UUID_STRING_LENGTH; i++)
81 /* Must have 4 hyphens (dashes) in these positions: */
83 if ((i == UUID_HYPHEN1_OFFSET) ||
84 (i == UUID_HYPHEN2_OFFSET) ||
85 (i == UUID_HYPHEN3_OFFSET) ||
86 (i == UUID_HYPHEN4_OFFSET))
88 if (InString[i] != '-')
90 return (AE_BAD_PARAMETER);
95 /* All other positions must contain hex digits */
97 if (!isxdigit ((int) InString[i]))
99 return (AE_BAD_PARAMETER);
108 /*******************************************************************************
110 * FUNCTION: AuConvertUuidToString
112 * PARAMETERS: UuidBuffer - 16-byte UUID buffer
113 * OutString - 36-byte formatted UUID string
117 * DESCRIPTION: Convert 16-byte UUID buffer to 36-byte formatted UUID string
118 * OutString must be 37 bytes to include null terminator.
120 ******************************************************************************/
123 AuConvertUuidToString (
130 if (!UuidBuffer || !OutString)
132 return (AE_BAD_PARAMETER);
135 for (i = 0; i < UUID_BUFFER_LENGTH; i++)
137 OutString[AcpiGbl_MapToUuidOffset[i]] =
138 AcpiUtHexToAsciiChar (UuidBuffer[i], 4);
140 OutString[AcpiGbl_MapToUuidOffset[i] + 1] =
141 AcpiUtHexToAsciiChar (UuidBuffer[i], 0);
144 /* Insert required hyphens (dashes) */
146 OutString[UUID_HYPHEN1_OFFSET] =
147 OutString[UUID_HYPHEN2_OFFSET] =
148 OutString[UUID_HYPHEN3_OFFSET] =
149 OutString[UUID_HYPHEN4_OFFSET] = '-';
151 OutString[UUID_STRING_LENGTH] = 0; /* Null terminate */