diff options
Diffstat (limited to 'usr/src/common/acpica/utilities/utprint.c')
-rw-r--r-- | usr/src/common/acpica/utilities/utprint.c | 813 |
1 files changed, 813 insertions, 0 deletions
diff --git a/usr/src/common/acpica/utilities/utprint.c b/usr/src/common/acpica/utilities/utprint.c new file mode 100644 index 0000000000..aedcc78be5 --- /dev/null +++ b/usr/src/common/acpica/utilities/utprint.c @@ -0,0 +1,813 @@ +/****************************************************************************** + * + * Module Name: utprint - Formatted printing routines + * + *****************************************************************************/ + +/* + * Copyright (C) 2000 - 2016, Intel Corp. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions, and the following disclaimer, + * without modification. + * 2. Redistributions in binary form must reproduce at minimum a disclaimer + * substantially similar to the "NO WARRANTY" disclaimer below + * ("Disclaimer") and any redistribution must be conditioned upon + * including a substantially similar Disclaimer requirement for further + * binary redistribution. + * 3. Neither the names of the above-listed copyright holders nor the names + * of any contributors may be used to endorse or promote products derived + * from this software without specific prior written permission. + * + * Alternatively, this software may be distributed under the terms of the + * GNU General Public License ("GPL") version 2 as published by the Free + * Software Foundation. + * + * NO WARRANTY + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, + * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING + * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGES. + */ + +#include "acpi.h" +#include "accommon.h" + +#define _COMPONENT ACPI_UTILITIES + ACPI_MODULE_NAME ("utprint") + + +#define ACPI_FORMAT_SIGN 0x01 +#define ACPI_FORMAT_SIGN_PLUS 0x02 +#define ACPI_FORMAT_SIGN_PLUS_SPACE 0x04 +#define ACPI_FORMAT_ZERO 0x08 +#define ACPI_FORMAT_LEFT 0x10 +#define ACPI_FORMAT_UPPER 0x20 +#define ACPI_FORMAT_PREFIX 0x40 + + +/* Local prototypes */ + +static ACPI_SIZE +AcpiUtBoundStringLength ( + const char *String, + ACPI_SIZE Count); + +static char * +AcpiUtBoundStringOutput ( + char *String, + const char *End, + char c); + +static char * +AcpiUtFormatNumber ( + char *String, + char *End, + UINT64 Number, + UINT8 Base, + INT32 Width, + INT32 Precision, + UINT8 Type); + +static char * +AcpiUtPutNumber ( + char *String, + UINT64 Number, + UINT8 Base, + BOOLEAN Upper); + + +/******************************************************************************* + * + * FUNCTION: AcpiUtBoundStringLength + * + * PARAMETERS: String - String with boundary + * Count - Boundary of the string + * + * RETURN: Length of the string. Less than or equal to Count. + * + * DESCRIPTION: Calculate the length of a string with boundary. + * + ******************************************************************************/ + +static ACPI_SIZE +AcpiUtBoundStringLength ( + const char *String, + ACPI_SIZE Count) +{ + UINT32 Length = 0; + + + while (*String && Count) + { + Length++; + String++; + Count--; + } + + return (Length); +} + + +/******************************************************************************* + * + * FUNCTION: AcpiUtBoundStringOutput + * + * PARAMETERS: String - String with boundary + * End - Boundary of the string + * c - Character to be output to the string + * + * RETURN: Updated position for next valid character + * + * DESCRIPTION: Output a character into a string with boundary check. + * + ******************************************************************************/ + +static char * +AcpiUtBoundStringOutput ( + char *String, + const char *End, + char c) +{ + + if (String < End) + { + *String = c; + } + + ++String; + return (String); +} + + +/******************************************************************************* + * + * FUNCTION: AcpiUtPutNumber + * + * PARAMETERS: String - Buffer to hold reverse-ordered string + * Number - Integer to be converted + * Base - Base of the integer + * Upper - Whether or not using upper cased digits + * + * RETURN: Updated position for next valid character + * + * DESCRIPTION: Convert an integer into a string, note that, the string holds a + * reversed ordered number without the trailing zero. + * + ******************************************************************************/ + +static char * +AcpiUtPutNumber ( + char *String, + UINT64 Number, + UINT8 Base, + BOOLEAN Upper) +{ + const char *Digits; + UINT64 DigitIndex; + char *Pos; + + + Pos = String; + Digits = Upper ? AcpiGbl_UpperHexDigits : AcpiGbl_LowerHexDigits; + + if (Number == 0) + { + *(Pos++) = '0'; + } + else + { + while (Number) + { + (void) AcpiUtDivide (Number, Base, &Number, &DigitIndex); + *(Pos++) = Digits[DigitIndex]; + } + } + + /* *(Pos++) = '0'; */ + return (Pos); +} + + +/******************************************************************************* + * + * FUNCTION: AcpiUtScanNumber + * + * PARAMETERS: String - String buffer + * NumberPtr - Where the number is returned + * + * RETURN: Updated position for next valid character + * + * DESCRIPTION: Scan a string for a decimal integer. + * + ******************************************************************************/ + +const char * +AcpiUtScanNumber ( + const char *String, + UINT64 *NumberPtr) +{ + UINT64 Number = 0; + + + while (isdigit ((int) *String)) + { + Number *= 10; + Number += *(String++) - '0'; + } + + *NumberPtr = Number; + return (String); +} + + +/******************************************************************************* + * + * FUNCTION: AcpiUtPrintNumber + * + * PARAMETERS: String - String buffer + * Number - The number to be converted + * + * RETURN: Updated position for next valid character + * + * DESCRIPTION: Print a decimal integer into a string. + * + ******************************************************************************/ + +const char * +AcpiUtPrintNumber ( + char *String, + UINT64 Number) +{ + char AsciiString[20]; + const char *Pos1; + char *Pos2; + + + Pos1 = AcpiUtPutNumber (AsciiString, Number, 10, FALSE); + Pos2 = String; + + while (Pos1 != AsciiString) + { + *(Pos2++) = *(--Pos1); + } + + *Pos2 = 0; + return (String); +} + + +/******************************************************************************* + * + * FUNCTION: AcpiUtFormatNumber + * + * PARAMETERS: String - String buffer with boundary + * End - Boundary of the string + * Number - The number to be converted + * Base - Base of the integer + * Width - Field width + * Precision - Precision of the integer + * Type - Special printing flags + * + * RETURN: Updated position for next valid character + * + * DESCRIPTION: Print an integer into a string with any base and any precision. + * + ******************************************************************************/ + +static char * +AcpiUtFormatNumber ( + char *String, + char *End, + UINT64 Number, + UINT8 Base, + INT32 Width, + INT32 Precision, + UINT8 Type) +{ + char *Pos; + char Sign; + char Zero; + BOOLEAN NeedPrefix; + BOOLEAN Upper; + INT32 i; + char ReversedString[66]; + + + /* Parameter validation */ + + if (Base < 2 || Base > 16) + { + return (NULL); + } + + if (Type & ACPI_FORMAT_LEFT) + { + Type &= ~ACPI_FORMAT_ZERO; + } + + NeedPrefix = ((Type & ACPI_FORMAT_PREFIX) && Base != 10) ? TRUE : FALSE; + Upper = (Type & ACPI_FORMAT_UPPER) ? TRUE : FALSE; + Zero = (Type & ACPI_FORMAT_ZERO) ? '0' : ' '; + + /* Calculate size according to sign and prefix */ + + Sign = '\0'; + if (Type & ACPI_FORMAT_SIGN) + { + if ((INT64) Number < 0) + { + Sign = '-'; + Number = - (INT64) Number; + Width--; + } + else if (Type & ACPI_FORMAT_SIGN_PLUS) + { + Sign = '+'; + Width--; + } + else if (Type & ACPI_FORMAT_SIGN_PLUS_SPACE) + { + Sign = ' '; + Width--; + } + } + if (NeedPrefix) + { + Width--; + if (Base == 16) + { + Width--; + } + } + + /* Generate full string in reverse order */ + + Pos = AcpiUtPutNumber (ReversedString, Number, Base, Upper); + i = ACPI_PTR_DIFF (Pos, ReversedString); + + /* Printing 100 using %2d gives "100", not "00" */ + + if (i > Precision) + { + Precision = i; + } + + Width -= Precision; + + /* Output the string */ + + if (!(Type & (ACPI_FORMAT_ZERO | ACPI_FORMAT_LEFT))) + { + while (--Width >= 0) + { + String = AcpiUtBoundStringOutput (String, End, ' '); + } + } + if (Sign) + { + String = AcpiUtBoundStringOutput (String, End, Sign); + } + if (NeedPrefix) + { + String = AcpiUtBoundStringOutput (String, End, '0'); + if (Base == 16) + { + String = AcpiUtBoundStringOutput ( + String, End, Upper ? 'X' : 'x'); + } + } + if (!(Type & ACPI_FORMAT_LEFT)) + { + while (--Width >= 0) + { + String = AcpiUtBoundStringOutput (String, End, Zero); + } + } + + while (i <= --Precision) + { + String = AcpiUtBoundStringOutput (String, End, '0'); + } + while (--i >= 0) + { + String = AcpiUtBoundStringOutput (String, End, + ReversedString[i]); + } + while (--Width >= 0) + { + String = AcpiUtBoundStringOutput (String, End, ' '); + } + + return (String); +} + + +/******************************************************************************* + * + * FUNCTION: AcpiUtVsnprintf + * + * PARAMETERS: String - String with boundary + * Size - Boundary of the string + * Format - Standard printf format + * Args - Argument list + * + * RETURN: Number of bytes actually written. + * + * DESCRIPTION: Formatted output to a string using argument list pointer. + * + ******************************************************************************/ + +int +AcpiUtVsnprintf ( + char *String, + ACPI_SIZE Size, + const char *Format, + va_list Args) +{ + UINT8 Base; + UINT8 Type; + INT32 Width; + INT32 Precision; + char Qualifier; + UINT64 Number; + char *Pos; + char *End; + char c; + const char *s; + const void *p; + INT32 Length; + int i; + + + Pos = String; + End = String + Size; + + for (; *Format; ++Format) + { + if (*Format != '%') + { + Pos = AcpiUtBoundStringOutput (Pos, End, *Format); + continue; + } + + Type = 0; + Base = 10; + + /* Process sign */ + + do + { + ++Format; + if (*Format == '#') + { + Type |= ACPI_FORMAT_PREFIX; + } + else if (*Format == '0') + { + Type |= ACPI_FORMAT_ZERO; + } + else if (*Format == '+') + { + Type |= ACPI_FORMAT_SIGN_PLUS; + } + else if (*Format == ' ') + { + Type |= ACPI_FORMAT_SIGN_PLUS_SPACE; + } + else if (*Format == '-') + { + Type |= ACPI_FORMAT_LEFT; + } + else + { + break; + } + + } while (1); + + /* Process width */ + + Width = -1; + if (isdigit ((int) *Format)) + { + Format = AcpiUtScanNumber (Format, &Number); + Width = (INT32) Number; + } + else if (*Format == '*') + { + ++Format; + Width = va_arg (Args, int); + if (Width < 0) + { + Width = -Width; + Type |= ACPI_FORMAT_LEFT; + } + } + + /* Process precision */ + + Precision = -1; + if (*Format == '.') + { + ++Format; + if (isdigit ((int) *Format)) + { + Format = AcpiUtScanNumber (Format, &Number); + Precision = (INT32) Number; + } + else if (*Format == '*') + { + ++Format; + Precision = va_arg (Args, int); + } + + if (Precision < 0) + { + Precision = 0; + } + } + + /* Process qualifier */ + + Qualifier = -1; + if (*Format == 'h' || *Format == 'l' || *Format == 'L') + { + Qualifier = *Format; + ++Format; + + if (Qualifier == 'l' && *Format == 'l') + { + Qualifier = 'L'; + ++Format; + } + } + + switch (*Format) + { + case '%': + + Pos = AcpiUtBoundStringOutput (Pos, End, '%'); + continue; + + case 'c': + + if (!(Type & ACPI_FORMAT_LEFT)) + { + while (--Width > 0) + { + Pos = AcpiUtBoundStringOutput (Pos, End, ' '); + } + } + + c = (char) va_arg (Args, int); + Pos = AcpiUtBoundStringOutput (Pos, End, c); + + while (--Width > 0) + { + Pos = AcpiUtBoundStringOutput (Pos, End, ' '); + } + continue; + + case 's': + + s = va_arg (Args, char *); + if (!s) + { + s = "<NULL>"; + } + Length = AcpiUtBoundStringLength (s, Precision); + if (!(Type & ACPI_FORMAT_LEFT)) + { + while (Length < Width--) + { + Pos = AcpiUtBoundStringOutput (Pos, End, ' '); + } + } + + for (i = 0; i < Length; ++i) + { + Pos = AcpiUtBoundStringOutput (Pos, End, *s); + ++s; + } + + while (Length < Width--) + { + Pos = AcpiUtBoundStringOutput (Pos, End, ' '); + } + continue; + + case 'o': + + Base = 8; + break; + + case 'X': + + Type |= ACPI_FORMAT_UPPER; + /* FALLTHROUGH */ + + case 'x': + + Base = 16; + break; + + case 'd': + case 'i': + + Type |= ACPI_FORMAT_SIGN; + + case 'u': + + break; + + case 'p': + + if (Width == -1) + { + Width = 2 * sizeof (void *); + Type |= ACPI_FORMAT_ZERO; + } + + p = va_arg (Args, void *); + Pos = AcpiUtFormatNumber ( + Pos, End, ACPI_TO_INTEGER (p), 16, Width, Precision, Type); + continue; + + default: + + Pos = AcpiUtBoundStringOutput (Pos, End, '%'); + if (*Format) + { + Pos = AcpiUtBoundStringOutput (Pos, End, *Format); + } + else + { + --Format; + } + continue; + } + + if (Qualifier == 'L') + { + Number = va_arg (Args, UINT64); + if (Type & ACPI_FORMAT_SIGN) + { + Number = (INT64) Number; + } + } + else if (Qualifier == 'l') + { + Number = va_arg (Args, unsigned long); + if (Type & ACPI_FORMAT_SIGN) + { + Number = (INT32) Number; + } + } + else if (Qualifier == 'h') + { + Number = (UINT16) va_arg (Args, int); + if (Type & ACPI_FORMAT_SIGN) + { + Number = (INT16) Number; + } + } + else + { + Number = va_arg (Args, unsigned int); + if (Type & ACPI_FORMAT_SIGN) + { + Number = (signed int) Number; + } + } + + Pos = AcpiUtFormatNumber (Pos, End, Number, Base, + Width, Precision, Type); + } + + if (Size > 0) + { + if (Pos < End) + { + *Pos = '\0'; + } + else + { + End[-1] = '\0'; + } + } + + return (ACPI_PTR_DIFF (Pos, String)); +} + + +/******************************************************************************* + * + * FUNCTION: AcpiUtSnprintf + * + * PARAMETERS: String - String with boundary + * Size - Boundary of the string + * Format, ... - Standard printf format + * + * RETURN: Number of bytes actually written. + * + * DESCRIPTION: Formatted output to a string. + * + ******************************************************************************/ + +int +AcpiUtSnprintf ( + char *String, + ACPI_SIZE Size, + const char *Format, + ...) +{ + va_list Args; + int Length; + + + va_start (Args, Format); + Length = AcpiUtVsnprintf (String, Size, Format, Args); + va_end (Args); + + return (Length); +} + + +#ifdef ACPI_APPLICATION +/******************************************************************************* + * + * FUNCTION: AcpiUtFileVprintf + * + * PARAMETERS: File - File descriptor + * Format - Standard printf format + * Args - Argument list + * + * RETURN: Number of bytes actually written. + * + * DESCRIPTION: Formatted output to a file using argument list pointer. + * + ******************************************************************************/ + +int +AcpiUtFileVprintf ( + ACPI_FILE File, + const char *Format, + va_list Args) +{ + ACPI_CPU_FLAGS Flags; + int Length; + + + Flags = AcpiOsAcquireLock (AcpiGbl_PrintLock); + Length = AcpiUtVsnprintf (AcpiGbl_PrintBuffer, + sizeof (AcpiGbl_PrintBuffer), Format, Args); + + (void) AcpiOsWriteFile (File, AcpiGbl_PrintBuffer, Length, 1); + AcpiOsReleaseLock (AcpiGbl_PrintLock, Flags); + + return (Length); +} + + +/******************************************************************************* + * + * FUNCTION: AcpiUtFilePrintf + * + * PARAMETERS: File - File descriptor + * Format, ... - Standard printf format + * + * RETURN: Number of bytes actually written. + * + * DESCRIPTION: Formatted output to a file. + * + ******************************************************************************/ + +int +AcpiUtFilePrintf ( + ACPI_FILE File, + const char *Format, + ...) +{ + va_list Args; + int Length; + + + va_start (Args, Format); + Length = AcpiUtFileVprintf (File, Format, Args); + va_end (Args); + + return (Length); +} +#endif |