BOOLEAN AcpiIsValidSignature ( char *Signature) { UINT32 i; /* Validate the signature length */ if (strlen (Signature) != ACPI_NAME_SIZE) { return (FALSE); } /* Validate each character in the signature */ for (i = 0; i < ACPI_NAME_SIZE; i++) { if (!AcpiUtValidAcpiChar (Signature[i], i)) { return (FALSE); } } return (TRUE); }
void AcpiUtRepairName ( char *Name) { UINT32 i; BOOLEAN FoundBadChar = FALSE; UINT32 OriginalName; ACPI_FUNCTION_NAME (UtRepairName); /* * Special case for the root node. This can happen if we get an * error during the execution of module-level code. */ if (ACPI_COMPARE_NAME (Name, "\\___")) { return; } ACPI_MOVE_NAME (&OriginalName, Name); /* Check each character in the name */ for (i = 0; i < ACPI_NAME_SIZE; i++) { if (AcpiUtValidAcpiChar (Name[i], i)) { continue; } /* * Replace a bad character with something printable, yet technically * still invalid. This prevents any collisions with existing "good" * names in the namespace. */ Name[i] = '*'; FoundBadChar = TRUE; } if (FoundBadChar) { /* Report warning only if in strict mode or debug mode */ if (!AcpiGbl_EnableInterpreterSlack) { ACPI_WARNING ((AE_INFO, "Invalid character(s) in name (0x%.8X), repaired: [%4.4s]", OriginalName, Name)); } else { ACPI_DEBUG_PRINT ((ACPI_DB_INFO, "Invalid character(s) in name (0x%.8X), repaired: [%4.4s]", OriginalName, Name)); } } }
BOOLEAN AcpiUtValidAcpiName ( char *Name) { UINT32 i; ACPI_FUNCTION_ENTRY (); for (i = 0; i < ACPI_NAME_SIZE; i++) { if (!AcpiUtValidAcpiChar (Name[i], i)) { return (FALSE); } } return (TRUE); }
static ACPI_STATUS AcpiExNameSegment ( UINT8 **InAmlAddress, char *NameString) { char *AmlAddress = (void *) *InAmlAddress; ACPI_STATUS Status = AE_OK; UINT32 Index; char CharBuf[5]; ACPI_FUNCTION_TRACE (ExNameSegment); /* * If first character is a digit, then we know that we aren't looking at a * valid name segment */ CharBuf[0] = *AmlAddress; if ('0' <= CharBuf[0] && CharBuf[0] <= '9') { ACPI_ERROR ((AE_INFO, "Invalid leading digit: %c", CharBuf[0])); return_ACPI_STATUS (AE_CTRL_PENDING); } ACPI_DEBUG_PRINT ((ACPI_DB_LOAD, "Bytes from stream:\n")); for (Index = 0; (Index < ACPI_NAME_SIZE) && (AcpiUtValidAcpiChar (*AmlAddress, 0)); Index++) { CharBuf[Index] = *AmlAddress++; ACPI_DEBUG_PRINT ((ACPI_DB_LOAD, "%c\n", CharBuf[Index])); } /* Valid name segment */ if (Index == 4) { /* Found 4 valid characters */ CharBuf[4] = '\0'; if (NameString) { ACPI_STRCAT (NameString, CharBuf); ACPI_DEBUG_PRINT ((ACPI_DB_NAMES, "Appended to - %s\n", NameString)); } else { ACPI_DEBUG_PRINT ((ACPI_DB_NAMES, "No Name string - %s\n", CharBuf)); } } else if (Index == 0) { /* * First character was not a valid name character, * so we are looking at something other than a name. */ ACPI_DEBUG_PRINT ((ACPI_DB_INFO, "Leading character is not alpha: %02Xh (not a name)\n", CharBuf[0])); Status = AE_CTRL_PENDING; } else { /* * Segment started with one or more valid characters, but fewer than * the required 4 */ Status = AE_AML_BAD_NAME; ACPI_ERROR ((AE_INFO, "Bad character 0x%02x in name, at %p", *AmlAddress, AmlAddress)); } *InAmlAddress = ACPI_CAST_PTR (UINT8, AmlAddress); return_ACPI_STATUS (Status); }