diff options
Diffstat (limited to 'sys/contrib/dev/acpica/components/utilities/utstring.c')
| -rw-r--r-- | sys/contrib/dev/acpica/components/utilities/utstring.c | 511 |
1 files changed, 13 insertions, 498 deletions
diff --git a/sys/contrib/dev/acpica/components/utilities/utstring.c b/sys/contrib/dev/acpica/components/utilities/utstring.c index 4cbf435..3d02b6c 100644 --- a/sys/contrib/dev/acpica/components/utilities/utstring.c +++ b/sys/contrib/dev/acpica/components/utilities/utstring.c @@ -5,7 +5,7 @@ ******************************************************************************/ /* - * Copyright (C) 2000 - 2015, Intel Corp. + * Copyright (C) 2000 - 2016, Intel Corp. * All rights reserved. * * Redistribution and use in source and binary forms, with or without @@ -50,343 +50,6 @@ ACPI_MODULE_NAME ("utstring") -/* - * Non-ANSI C library functions - strlwr, strupr, stricmp, and a 64-bit - * version of strtoul. - */ - -#ifdef ACPI_ASL_COMPILER -/******************************************************************************* - * - * FUNCTION: AcpiUtStrlwr (strlwr) - * - * PARAMETERS: SrcString - The source string to convert - * - * RETURN: None - * - * DESCRIPTION: Convert string to lowercase - * - * NOTE: This is not a POSIX function, so it appears here, not in utclib.c - * - ******************************************************************************/ - -void -AcpiUtStrlwr ( - char *SrcString) -{ - char *String; - - - ACPI_FUNCTION_ENTRY (); - - - if (!SrcString) - { - return; - } - - /* Walk entire string, lowercasing the letters */ - - for (String = SrcString; *String; String++) - { - *String = (char) ACPI_TOLOWER (*String); - } - - return; -} - - -/****************************************************************************** - * - * FUNCTION: AcpiUtStricmp (stricmp) - * - * PARAMETERS: String1 - first string to compare - * String2 - second string to compare - * - * RETURN: int that signifies string relationship. Zero means strings - * are equal. - * - * DESCRIPTION: Implementation of the non-ANSI stricmp function (compare - * strings with no case sensitivity) - * - ******************************************************************************/ - -int -AcpiUtStricmp ( - char *String1, - char *String2) -{ - int c1; - int c2; - - - do - { - c1 = tolower ((int) *String1); - c2 = tolower ((int) *String2); - - String1++; - String2++; - } - while ((c1 == c2) && (c1)); - - return (c1 - c2); -} -#endif - - -/******************************************************************************* - * - * FUNCTION: AcpiUtStrupr (strupr) - * - * PARAMETERS: SrcString - The source string to convert - * - * RETURN: None - * - * DESCRIPTION: Convert string to uppercase - * - * NOTE: This is not a POSIX function, so it appears here, not in utclib.c - * - ******************************************************************************/ - -void -AcpiUtStrupr ( - char *SrcString) -{ - char *String; - - - ACPI_FUNCTION_ENTRY (); - - - if (!SrcString) - { - return; - } - - /* Walk entire string, uppercasing the letters */ - - for (String = SrcString; *String; String++) - { - *String = (char) ACPI_TOUPPER (*String); - } - - return; -} - - -/******************************************************************************* - * - * FUNCTION: AcpiUtStrtoul64 - * - * PARAMETERS: String - Null terminated string - * Base - Radix of the string: 16 or ACPI_ANY_BASE; - * ACPI_ANY_BASE means 'in behalf of ToInteger' - * RetInteger - Where the converted integer is returned - * - * RETURN: Status and Converted value - * - * DESCRIPTION: Convert a string into an unsigned value. Performs either a - * 32-bit or 64-bit conversion, depending on the current mode - * of the interpreter. - * NOTE: Does not support Octal strings, not needed. - * - ******************************************************************************/ - -ACPI_STATUS -AcpiUtStrtoul64 ( - char *String, - UINT32 Base, - UINT64 *RetInteger) -{ - UINT32 ThisDigit = 0; - UINT64 ReturnValue = 0; - UINT64 Quotient; - UINT64 Dividend; - UINT32 ToIntegerOp = (Base == ACPI_ANY_BASE); - UINT32 Mode32 = (AcpiGbl_IntegerByteWidth == 4); - UINT8 ValidDigits = 0; - UINT8 SignOf0x = 0; - UINT8 Term = 0; - - - ACPI_FUNCTION_TRACE_STR (UtStroul64, String); - - - switch (Base) - { - case ACPI_ANY_BASE: - case 16: - - break; - - default: - - /* Invalid Base */ - - return_ACPI_STATUS (AE_BAD_PARAMETER); - } - - if (!String) - { - goto ErrorExit; - } - - /* Skip over any white space in the buffer */ - - while ((*String) && (ACPI_IS_SPACE (*String) || *String == '\t')) - { - String++; - } - - if (ToIntegerOp) - { - /* - * Base equal to ACPI_ANY_BASE means 'ToInteger operation case'. - * We need to determine if it is decimal or hexadecimal. - */ - if ((*String == '0') && (ACPI_TOLOWER (*(String + 1)) == 'x')) - { - SignOf0x = 1; - Base = 16; - - /* Skip over the leading '0x' */ - String += 2; - } - else - { - Base = 10; - } - } - - /* Any string left? Check that '0x' is not followed by white space. */ - - if (!(*String) || ACPI_IS_SPACE (*String) || *String == '\t') - { - if (ToIntegerOp) - { - goto ErrorExit; - } - else - { - goto AllDone; - } - } - - /* - * Perform a 32-bit or 64-bit conversion, depending upon the current - * execution mode of the interpreter - */ - Dividend = (Mode32) ? ACPI_UINT32_MAX : ACPI_UINT64_MAX; - - /* Main loop: convert the string to a 32- or 64-bit integer */ - - while (*String) - { - if (ACPI_IS_DIGIT (*String)) - { - /* Convert ASCII 0-9 to Decimal value */ - - ThisDigit = ((UINT8) *String) - '0'; - } - else if (Base == 10) - { - /* Digit is out of range; possible in ToInteger case only */ - - Term = 1; - } - else - { - ThisDigit = (UINT8) ACPI_TOUPPER (*String); - if (ACPI_IS_XDIGIT ((char) ThisDigit)) - { - /* Convert ASCII Hex char to value */ - - ThisDigit = ThisDigit - 'A' + 10; - } - else - { - Term = 1; - } - } - - if (Term) - { - if (ToIntegerOp) - { - goto ErrorExit; - } - else - { - break; - } - } - else if ((ValidDigits == 0) && (ThisDigit == 0) && !SignOf0x) - { - /* Skip zeros */ - String++; - continue; - } - - ValidDigits++; - - if (SignOf0x && ((ValidDigits > 16) || ((ValidDigits > 8) && Mode32))) - { - /* - * This is ToInteger operation case. - * No any restrictions for string-to-integer conversion, - * see ACPI spec. - */ - goto ErrorExit; - } - - /* Divide the digit into the correct position */ - - (void) AcpiUtShortDivide ((Dividend - (UINT64) ThisDigit), - Base, &Quotient, NULL); - - if (ReturnValue > Quotient) - { - if (ToIntegerOp) - { - goto ErrorExit; - } - else - { - break; - } - } - - ReturnValue *= Base; - ReturnValue += ThisDigit; - String++; - } - - /* All done, normal exit */ - -AllDone: - - ACPI_DEBUG_PRINT ((ACPI_DB_EXEC, "Converted value: %8.8X%8.8X\n", - ACPI_FORMAT_UINT64 (ReturnValue))); - - *RetInteger = ReturnValue; - return_ACPI_STATUS (AE_OK); - - -ErrorExit: - /* Base was set/validated above */ - - if (Base == 10) - { - return_ACPI_STATUS (AE_BAD_DECIMAL_CONSTANT); - } - else - { - return_ACPI_STATUS (AE_BAD_HEX_CONSTANT); - } -} - - /******************************************************************************* * * FUNCTION: AcpiUtPrintString @@ -469,7 +132,7 @@ AcpiUtPrintString ( /* Check for printable character or hex escape */ - if (ACPI_IS_PRINT (String[i])) + if (isprint ((int) String[i])) { /* This is a normal character */ @@ -484,6 +147,7 @@ AcpiUtPrintString ( break; } } + AcpiOsPrintf ("\""); if (i == MaxLength && String[i]) @@ -495,86 +159,6 @@ AcpiUtPrintString ( /******************************************************************************* * - * FUNCTION: AcpiUtValidAcpiChar - * - * PARAMETERS: Char - The character to be examined - * Position - Byte position (0-3) - * - * RETURN: TRUE if the character is valid, FALSE otherwise - * - * DESCRIPTION: Check for a valid ACPI character. Must be one of: - * 1) Upper case alpha - * 2) numeric - * 3) underscore - * - * We allow a '!' as the last character because of the ASF! table - * - ******************************************************************************/ - -BOOLEAN -AcpiUtValidAcpiChar ( - char Character, - UINT32 Position) -{ - - if (!((Character >= 'A' && Character <= 'Z') || - (Character >= '0' && Character <= '9') || - (Character == '_'))) - { - /* Allow a '!' in the last position */ - - if (Character == '!' && Position == 3) - { - return (TRUE); - } - - return (FALSE); - } - - return (TRUE); -} - - -/******************************************************************************* - * - * FUNCTION: AcpiUtValidAcpiName - * - * PARAMETERS: Name - The name to be examined. Does not have to - * be NULL terminated string. - * - * RETURN: TRUE if the name is valid, FALSE otherwise - * - * DESCRIPTION: Check for a valid ACPI name. Each character must be one of: - * 1) Upper case alpha - * 2) numeric - * 3) underscore - * - ******************************************************************************/ - -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); -} - - -/******************************************************************************* - * * FUNCTION: AcpiUtRepairName * * PARAMETERS: Name - The ACPI name to be repaired @@ -607,13 +191,22 @@ AcpiUtRepairName ( 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)) + if (AcpiUtValidNameChar (Name[i], i)) { continue; } @@ -682,81 +275,3 @@ UtConvertBackslashes ( } } #endif - -#if defined (ACPI_DEBUGGER) || defined (ACPI_APPLICATION) -/******************************************************************************* - * - * FUNCTION: AcpiUtSafeStrcpy, AcpiUtSafeStrcat, AcpiUtSafeStrncat - * - * PARAMETERS: Adds a "DestSize" parameter to each of the standard string - * functions. This is the size of the Destination buffer. - * - * RETURN: TRUE if the operation would overflow the destination buffer. - * - * DESCRIPTION: Safe versions of standard Clib string functions. Ensure that - * the result of the operation will not overflow the output string - * buffer. - * - * NOTE: These functions are typically only helpful for processing - * user input and command lines. For most ACPICA code, the - * required buffer length is precisely calculated before buffer - * allocation, so the use of these functions is unnecessary. - * - ******************************************************************************/ - -BOOLEAN -AcpiUtSafeStrcpy ( - char *Dest, - ACPI_SIZE DestSize, - char *Source) -{ - - if (ACPI_STRLEN (Source) >= DestSize) - { - return (TRUE); - } - - ACPI_STRCPY (Dest, Source); - return (FALSE); -} - -BOOLEAN -AcpiUtSafeStrcat ( - char *Dest, - ACPI_SIZE DestSize, - char *Source) -{ - - if ((ACPI_STRLEN (Dest) + ACPI_STRLEN (Source)) >= DestSize) - { - return (TRUE); - } - - ACPI_STRCAT (Dest, Source); - return (FALSE); -} - -#ifndef _KERNEL -BOOLEAN -AcpiUtSafeStrncat ( - char *Dest, - ACPI_SIZE DestSize, - char *Source, - ACPI_SIZE MaxTransferLength) -{ - ACPI_SIZE ActualTransferLength; - - - ActualTransferLength = ACPI_MIN (MaxTransferLength, ACPI_STRLEN (Source)); - - if ((ACPI_STRLEN (Dest) + ActualTransferLength) >= DestSize) - { - return (TRUE); - } - - ACPI_STRNCAT (Dest, Source, MaxTransferLength); - return (FALSE); -} -#endif - -#endif |
