diff options
Diffstat (limited to 'drivers/acpi/acpica/utstring.c')
| -rw-r--r-- | drivers/acpi/acpica/utstring.c | 342 |
1 files changed, 0 insertions, 342 deletions
diff --git a/drivers/acpi/acpica/utstring.c b/drivers/acpi/acpica/utstring.c index 8f3c883dfe0e..4ddd105d9741 100644 --- a/drivers/acpi/acpica/utstring.c +++ b/drivers/acpi/acpica/utstring.c @@ -48,286 +48,6 @@ #define _COMPONENT ACPI_UTILITIES ACPI_MODULE_NAME("utstring") -/* - * Non-ANSI C library functions - strlwr, strupr, stricmp, and a 64-bit - * version of strtoul. - */ -#ifdef ACPI_ASL_COMPILER -/******************************************************************************* - * - * FUNCTION: acpi_ut_strlwr (strlwr) - * - * PARAMETERS: src_string - 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 acpi_ut_strlwr(char *src_string) -{ - char *string; - - ACPI_FUNCTION_ENTRY(); - - if (!src_string) { - return; - } - - /* Walk entire string, lowercasing the letters */ - - for (string = src_string; *string; string++) { - *string = (char)tolower((int)*string); - } - - return; -} - -/****************************************************************************** - * - * FUNCTION: acpi_ut_stricmp (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 acpi_ut_stricmp(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: acpi_ut_strupr (strupr) - * - * PARAMETERS: src_string - 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 acpi_ut_strupr(char *src_string) -{ - char *string; - - ACPI_FUNCTION_ENTRY(); - - if (!src_string) { - return; - } - - /* Walk entire string, uppercasing the letters */ - - for (string = src_string; *string; string++) { - *string = (char)toupper((int)*string); - } - - return; -} - -/******************************************************************************* - * - * FUNCTION: acpi_ut_strtoul64 - * - * PARAMETERS: string - Null terminated string - * base - Radix of the string: 16 or ACPI_ANY_BASE; - * ACPI_ANY_BASE means 'in behalf of to_integer' - * ret_integer - 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 acpi_ut_strtoul64(char *string, u32 base, u64 *ret_integer) -{ - u32 this_digit = 0; - u64 return_value = 0; - u64 quotient; - u64 dividend; - u32 to_integer_op = (base == ACPI_ANY_BASE); - u32 mode32 = (acpi_gbl_integer_byte_width == 4); - u8 valid_digits = 0; - u8 sign_of0x = 0; - u8 term = 0; - - ACPI_FUNCTION_TRACE_STR(ut_stroul64, string); - - switch (base) { - case ACPI_ANY_BASE: - case 16: - - break; - - default: - - /* Invalid Base */ - - return_ACPI_STATUS(AE_BAD_PARAMETER); - } - - if (!string) { - goto error_exit; - } - - /* Skip over any white space in the buffer */ - - while ((*string) && (isspace((int)*string) || *string == '\t')) { - string++; - } - - if (to_integer_op) { - /* - * Base equal to ACPI_ANY_BASE means 'ToInteger operation case'. - * We need to determine if it is decimal or hexadecimal. - */ - if ((*string == '0') && (tolower((int)*(string + 1)) == 'x')) { - sign_of0x = 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) || isspace((int)*string) || *string == '\t') { - if (to_integer_op) { - goto error_exit; - } else { - goto all_done; - } - } - - /* - * 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 (isdigit((int)*string)) { - - /* Convert ASCII 0-9 to Decimal value */ - - this_digit = ((u8)*string) - '0'; - } else if (base == 10) { - - /* Digit is out of range; possible in to_integer case only */ - - term = 1; - } else { - this_digit = (u8)toupper((int)*string); - if (isxdigit((int)this_digit)) { - - /* Convert ASCII Hex char to value */ - - this_digit = this_digit - 'A' + 10; - } else { - term = 1; - } - } - - if (term) { - if (to_integer_op) { - goto error_exit; - } else { - break; - } - } else if ((valid_digits == 0) && (this_digit == 0) - && !sign_of0x) { - - /* Skip zeros */ - string++; - continue; - } - - valid_digits++; - - if (sign_of0x - && ((valid_digits > 16) - || ((valid_digits > 8) && mode32))) { - /* - * This is to_integer operation case. - * No any restrictions for string-to-integer conversion, - * see ACPI spec. - */ - goto error_exit; - } - - /* Divide the digit into the correct position */ - - (void)acpi_ut_short_divide((dividend - (u64)this_digit), - base, "ient, NULL); - - if (return_value > quotient) { - if (to_integer_op) { - goto error_exit; - } else { - break; - } - } - - return_value *= base; - return_value += this_digit; - string++; - } - - /* All done, normal exit */ - -all_done: - - ACPI_DEBUG_PRINT((ACPI_DB_EXEC, "Converted value: %8.8X%8.8X\n", - ACPI_FORMAT_UINT64(return_value))); - - *ret_integer = return_value; - return_ACPI_STATUS(AE_OK); - -error_exit: - /* Base was set/validated above */ - - if (base == 10) { - return_ACPI_STATUS(AE_BAD_DECIMAL_CONSTANT); - } else { - return_ACPI_STATUS(AE_BAD_HEX_CONSTANT); - } -} - /******************************************************************************* * * FUNCTION: acpi_ut_print_string @@ -342,7 +62,6 @@ error_exit: * sequences. * ******************************************************************************/ - void acpi_ut_print_string(char *string, u16 max_length) { u32 i; @@ -584,64 +303,3 @@ void ut_convert_backslashes(char *pathname) } } #endif - -#if defined (ACPI_DEBUGGER) || defined (ACPI_APPLICATION) -/******************************************************************************* - * - * FUNCTION: acpi_ut_safe_strcpy, acpi_ut_safe_strcat, acpi_ut_safe_strncat - * - * 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. - * - ******************************************************************************/ - -u8 acpi_ut_safe_strcpy(char *dest, acpi_size dest_size, char *source) -{ - - if (strlen(source) >= dest_size) { - return (TRUE); - } - - strcpy(dest, source); - return (FALSE); -} - -u8 acpi_ut_safe_strcat(char *dest, acpi_size dest_size, char *source) -{ - - if ((strlen(dest) + strlen(source)) >= dest_size) { - return (TRUE); - } - - strcat(dest, source); - return (FALSE); -} - -u8 -acpi_ut_safe_strncat(char *dest, - acpi_size dest_size, - char *source, acpi_size max_transfer_length) -{ - acpi_size actual_transfer_length; - - actual_transfer_length = ACPI_MIN(max_transfer_length, strlen(source)); - - if ((strlen(dest) + actual_transfer_length) >= dest_size) { - return (TRUE); - } - - strncat(dest, source, max_transfer_length); - return (FALSE); -} -#endif |