diff options
Diffstat (limited to 'sys/contrib/dev/acpica/Subsystem/Common/cmclib.c')
| -rw-r--r-- | sys/contrib/dev/acpica/Subsystem/Common/cmclib.c | 953 |
1 files changed, 0 insertions, 953 deletions
diff --git a/sys/contrib/dev/acpica/Subsystem/Common/cmclib.c b/sys/contrib/dev/acpica/Subsystem/Common/cmclib.c deleted file mode 100644 index 2318d9e36430..000000000000 --- a/sys/contrib/dev/acpica/Subsystem/Common/cmclib.c +++ /dev/null @@ -1,953 +0,0 @@ -/****************************************************************************** - * - * Module Name: cmclib - Local implementation of C library functions - * $Revision: 32 $ - * - *****************************************************************************/ - -/****************************************************************************** - * - * 1. Copyright Notice - * - * Some or all of this work - Copyright (c) 1999, 2000, 2001, Intel Corp. - * All rights reserved. - * - * 2. License - * - * 2.1. This is your license from Intel Corp. under its intellectual property - * rights. You may have additional license terms from the party that provided - * you this software, covering your right to use that party's intellectual - * property rights. - * - * 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a - * copy of the source code appearing in this file ("Covered Code") an - * irrevocable, perpetual, worldwide license under Intel's copyrights in the - * base code distributed originally by Intel ("Original Intel Code") to copy, - * make derivatives, distribute, use and display any portion of the Covered - * Code in any form, with the right to sublicense such rights; and - * - * 2.3. Intel grants Licensee a non-exclusive and non-transferable patent - * license (with the right to sublicense), under only those claims of Intel - * patents that are infringed by the Original Intel Code, to make, use, sell, - * offer to sell, and import the Covered Code and derivative works thereof - * solely to the minimum extent necessary to exercise the above copyright - * license, and in no event shall the patent license extend to any additions - * to or modifications of the Original Intel Code. No other license or right - * is granted directly or by implication, estoppel or otherwise; - * - * The above copyright and patent license is granted only if the following - * conditions are met: - * - * 3. Conditions - * - * 3.1. Redistribution of Source with Rights to Further Distribute Source. - * Redistribution of source code of any substantial portion of the Covered - * Code or modification with rights to further distribute source must include - * the above Copyright Notice, the above License, this list of Conditions, - * and the following Disclaimer and Export Compliance provision. In addition, - * Licensee must cause all Covered Code to which Licensee contributes to - * contain a file documenting the changes Licensee made to create that Covered - * Code and the date of any change. Licensee must include in that file the - * documentation of any changes made by any predecessor Licensee. Licensee - * must include a prominent statement that the modification is derived, - * directly or indirectly, from Original Intel Code. - * - * 3.2. Redistribution of Source with no Rights to Further Distribute Source. - * Redistribution of source code of any substantial portion of the Covered - * Code or modification without rights to further distribute source must - * include the following Disclaimer and Export Compliance provision in the - * documentation and/or other materials provided with distribution. In - * addition, Licensee may not authorize further sublicense of source of any - * portion of the Covered Code, and must include terms to the effect that the - * license from Licensee to its licensee is limited to the intellectual - * property embodied in the software Licensee provides to its licensee, and - * not to intellectual property embodied in modifications its licensee may - * make. - * - * 3.3. Redistribution of Executable. Redistribution in executable form of any - * substantial portion of the Covered Code or modification must reproduce the - * above Copyright Notice, and the following Disclaimer and Export Compliance - * provision in the documentation and/or other materials provided with the - * distribution. - * - * 3.4. Intel retains all right, title, and interest in and to the Original - * Intel Code. - * - * 3.5. Neither the name Intel nor any other trademark owned or controlled by - * Intel shall be used in advertising or otherwise to promote the sale, use or - * other dealings in products derived from or relating to the Covered Code - * without prior written authorization from Intel. - * - * 4. Disclaimer and Export Compliance - * - * 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED - * HERE. ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE - * IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT, ASSISTANCE, - * INSTALLATION, TRAINING OR OTHER SERVICES. INTEL WILL NOT PROVIDE ANY - * UPDATES, ENHANCEMENTS OR EXTENSIONS. INTEL SPECIFICALLY DISCLAIMS ANY - * IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A - * PARTICULAR PURPOSE. - * - * 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES - * OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR - * COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT, - * SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY - * CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL - * HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES. THESE LIMITATIONS - * SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY - * LIMITED REMEDY. - * - * 4.3. Licensee shall not export, either directly or indirectly, any of this - * software or system incorporating such software without first obtaining any - * required license or other approval from the U. S. Department of Commerce or - * any other agency or department of the United States Government. In the - * event Licensee exports any such software from the United States or - * re-exports any such software from a foreign destination, Licensee shall - * ensure that the distribution and export/re-export of the software is in - * compliance with all laws, regulations, orders, or other restrictions of the - * U.S. Export Administration Regulations. Licensee agrees that neither it nor - * any of its subsidiaries will export/re-export any technical data, process, - * software, or service, directly or indirectly, to any country for which the - * United States government or any agency thereof requires an export license, - * other governmental approval, or letter of assurance, without first obtaining - * such license, approval or letter. - * - *****************************************************************************/ - - -#define __CMCLIB_C__ - -#include "acpi.h" -#include "acevents.h" -#include "achware.h" -#include "acnamesp.h" -#include "acinterp.h" -#include "amlcode.h" - -/* - * These implementations of standard C Library routines can optionally be - * used if a C library is not available. In general, they are less efficient - * than an inline or assembly implementation - */ - -#define _COMPONENT MISCELLANEOUS - MODULE_NAME ("cmclib") - - -#ifndef ACPI_USE_SYSTEM_CLIBRARY - -/******************************************************************************* - * - * FUNCTION: strlen - * - * PARAMETERS: String - Null terminated string - * - * RETURN: Length - * - * DESCRIPTION: Returns the length of the input string - * - ******************************************************************************/ - - -NATIVE_UINT -AcpiCmStrlen ( - const NATIVE_CHAR *String) -{ - NATIVE_UINT Length = 0; - - - /* Count the string until a null is encountered */ - - while (*String) - { - Length++; - String++; - } - - return (Length); -} - - -/******************************************************************************* - * - * FUNCTION: strcpy - * - * PARAMETERS: DstString - Target of the copy - * SrcString - The source string to copy - * - * RETURN: DstString - * - * DESCRIPTION: Copy a null terminated string - * - ******************************************************************************/ - -NATIVE_CHAR * -AcpiCmStrcpy ( - NATIVE_CHAR *DstString, - const NATIVE_CHAR *SrcString) -{ - NATIVE_CHAR *String = DstString; - - - /* Move bytes brute force */ - - while (*SrcString) - { - *String = *SrcString; - - String++; - SrcString++; - } - - /* Null terminate */ - - *String = 0; - - return (DstString); -} - - -/******************************************************************************* - * - * FUNCTION: strncpy - * - * PARAMETERS: DstString - Target of the copy - * SrcString - The source string to copy - * Count - Maximum # of bytes to copy - * - * RETURN: DstString - * - * DESCRIPTION: Copy a null terminated string, with a maximum length - * - ******************************************************************************/ - -NATIVE_CHAR * -AcpiCmStrncpy ( - NATIVE_CHAR *DstString, - const NATIVE_CHAR *SrcString, - NATIVE_UINT Count) -{ - NATIVE_CHAR *String = DstString; - - - /* Copy the string */ - - for (String = DstString; - Count && (Count--, (*String++ = *SrcString++)); ) - {;} - - /* Pad with nulls if necessary */ - - while (Count--) - { - *String = 0; - String++; - } - - /* Return original pointer */ - - return (DstString); -} - - -/******************************************************************************* - * - * FUNCTION: strcmp - * - * PARAMETERS: String1 - First string - * String2 - Second string - * - * RETURN: Index where strings mismatched, or 0 if strings matched - * - * DESCRIPTION: Compare two null terminated strings - * - ******************************************************************************/ - -UINT32 -AcpiCmStrcmp ( - const NATIVE_CHAR *String1, - const NATIVE_CHAR *String2) -{ - - - for ( ; (*String1 == *String2); String2++) - { - if (!*String1++) - { - return (0); - } - } - - - return ((unsigned char) *String1 - (unsigned char) *String2); -} - - -/******************************************************************************* - * - * FUNCTION: strncmp - * - * PARAMETERS: String1 - First string - * String2 - Second string - * Count - Maximum # of bytes to compare - * - * RETURN: Index where strings mismatched, or 0 if strings matched - * - * DESCRIPTION: Compare two null terminated strings, with a maximum length - * - ******************************************************************************/ - -UINT32 -AcpiCmStrncmp ( - const NATIVE_CHAR *String1, - const NATIVE_CHAR *String2, - NATIVE_UINT Count) -{ - - - for ( ; Count-- && (*String1 == *String2); String2++) - { - if (!*String1++) - { - return (0); - } - } - - return ((Count == -1) ? 0 : ((unsigned char) *String1 - - (unsigned char) *String2)); -} - - -/******************************************************************************* - * - * FUNCTION: Strcat - * - * PARAMETERS: DstString - Target of the copy - * SrcString - The source string to copy - * - * RETURN: DstString - * - * DESCRIPTION: Append a null terminated string to a null terminated string - * - ******************************************************************************/ - -NATIVE_CHAR * -AcpiCmStrcat ( - NATIVE_CHAR *DstString, - const NATIVE_CHAR *SrcString) -{ - NATIVE_CHAR *String; - - - /* Find end of the destination string */ - - for (String = DstString; *String++; ) - { ; } - - /* Concatinate the string */ - - for (--String; (*String++ = *SrcString++); ) - { ; } - - return (DstString); -} - - -/******************************************************************************* - * - * FUNCTION: strncat - * - * PARAMETERS: DstString - Target of the copy - * SrcString - The source string to copy - * Count - Maximum # of bytes to copy - * - * RETURN: DstString - * - * DESCRIPTION: Append a null terminated string to a null terminated string, - * with a maximum count. - * - ******************************************************************************/ - -NATIVE_CHAR * -AcpiCmStrncat ( - NATIVE_CHAR *DstString, - const NATIVE_CHAR *SrcString, - NATIVE_UINT Count) -{ - NATIVE_CHAR *String; - - - if (Count) - { - /* Find end of the destination string */ - - for (String = DstString; *String++; ) - { ; } - - /* Concatinate the string */ - - for (--String; (*String++ = *SrcString++) && --Count; ) - { ; } - - /* Null terminate if necessary */ - - if (!Count) - { - *String = 0; - } - } - - return (DstString); -} - - -/******************************************************************************* - * - * FUNCTION: memcpy - * - * PARAMETERS: Dest - Target of the copy - * Src - Source buffer to copy - * Count - Number of bytes to copy - * - * RETURN: Dest - * - * DESCRIPTION: Copy arbitrary bytes of memory - * - ******************************************************************************/ - -void * -AcpiCmMemcpy ( - void *Dest, - const void *Src, - NATIVE_UINT Count) -{ - NATIVE_CHAR *New = (NATIVE_CHAR *) Dest; - NATIVE_CHAR *Old = (NATIVE_CHAR *) Src; - - - while (Count) - { - *New = *Old; - New++; - Old++; - Count--; - } - - return (Dest); -} - - -/******************************************************************************* - * - * FUNCTION: memset - * - * PARAMETERS: Dest - Buffer to set - * Value - Value to set each byte of memory - * Count - Number of bytes to set - * - * RETURN: Dest - * - * DESCRIPTION: Initialize a buffer to a known value. - * - ******************************************************************************/ - -void * -AcpiCmMemset ( - void *Dest, - NATIVE_UINT Value, - NATIVE_UINT Count) -{ - NATIVE_CHAR *New = (NATIVE_CHAR *) Dest; - - - while (Count) - { - *New = (char) Value; - New++; - Count--; - } - - return (Dest); -} - - -#define NEGATIVE 1 -#define POSITIVE 0 - - -#define _ACPI_XA 0x00 /* extra alphabetic - not supported */ -#define _ACPI_XS 0x40 /* extra space */ -#define _ACPI_BB 0x00 /* BEL, BS, etc. - not supported */ -#define _ACPI_CN 0x20 /* CR, FF, HT, NL, VT */ -#define _ACPI_DI 0x04 /* '0'-'9' */ -#define _ACPI_LO 0x02 /* 'a'-'z' */ -#define _ACPI_PU 0x10 /* punctuation */ -#define _ACPI_SP 0x08 /* space */ -#define _ACPI_UP 0x01 /* 'A'-'Z' */ -#define _ACPI_XD 0x80 /* '0'-'9', 'A'-'F', 'a'-'f' */ - -static const UINT8 _acpi_ctype[257] = { - _ACPI_CN, /* 0x0 0. */ - _ACPI_CN, /* 0x1 1. */ - _ACPI_CN, /* 0x2 2. */ - _ACPI_CN, /* 0x3 3. */ - _ACPI_CN, /* 0x4 4. */ - _ACPI_CN, /* 0x5 5. */ - _ACPI_CN, /* 0x6 6. */ - _ACPI_CN, /* 0x7 7. */ - _ACPI_CN, /* 0x8 8. */ - _ACPI_CN|_ACPI_SP, /* 0x9 9. */ - _ACPI_CN|_ACPI_SP, /* 0xA 10. */ - _ACPI_CN|_ACPI_SP, /* 0xB 11. */ - _ACPI_CN|_ACPI_SP, /* 0xC 12. */ - _ACPI_CN|_ACPI_SP, /* 0xD 13. */ - _ACPI_CN, /* 0xE 14. */ - _ACPI_CN, /* 0xF 15. */ - _ACPI_CN, /* 0x10 16. */ - _ACPI_CN, /* 0x11 17. */ - _ACPI_CN, /* 0x12 18. */ - _ACPI_CN, /* 0x13 19. */ - _ACPI_CN, /* 0x14 20. */ - _ACPI_CN, /* 0x15 21. */ - _ACPI_CN, /* 0x16 22. */ - _ACPI_CN, /* 0x17 23. */ - _ACPI_CN, /* 0x18 24. */ - _ACPI_CN, /* 0x19 25. */ - _ACPI_CN, /* 0x1A 26. */ - _ACPI_CN, /* 0x1B 27. */ - _ACPI_CN, /* 0x1C 28. */ - _ACPI_CN, /* 0x1D 29. */ - _ACPI_CN, /* 0x1E 30. */ - _ACPI_CN, /* 0x1F 31. */ - _ACPI_XS|_ACPI_SP, /* 0x20 32. ' ' */ - _ACPI_PU, /* 0x21 33. '!' */ - _ACPI_PU, /* 0x22 34. '"' */ - _ACPI_PU, /* 0x23 35. '#' */ - _ACPI_PU, /* 0x24 36. '$' */ - _ACPI_PU, /* 0x25 37. '%' */ - _ACPI_PU, /* 0x26 38. '&' */ - _ACPI_PU, /* 0x27 39. ''' */ - _ACPI_PU, /* 0x28 40. '(' */ - _ACPI_PU, /* 0x29 41. ')' */ - _ACPI_PU, /* 0x2A 42. '*' */ - _ACPI_PU, /* 0x2B 43. '+' */ - _ACPI_PU, /* 0x2C 44. ',' */ - _ACPI_PU, /* 0x2D 45. '-' */ - _ACPI_PU, /* 0x2E 46. '.' */ - _ACPI_PU, /* 0x2F 47. '/' */ - _ACPI_XD|_ACPI_DI, /* 0x30 48. '0' */ - _ACPI_XD|_ACPI_DI, /* 0x31 49. '1' */ - _ACPI_XD|_ACPI_DI, /* 0x32 50. '2' */ - _ACPI_XD|_ACPI_DI, /* 0x33 51. '3' */ - _ACPI_XD|_ACPI_DI, /* 0x34 52. '4' */ - _ACPI_XD|_ACPI_DI, /* 0x35 53. '5' */ - _ACPI_XD|_ACPI_DI, /* 0x36 54. '6' */ - _ACPI_XD|_ACPI_DI, /* 0x37 55. '7' */ - _ACPI_XD|_ACPI_DI, /* 0x38 56. '8' */ - _ACPI_XD|_ACPI_DI, /* 0x39 57. '9' */ - _ACPI_PU, /* 0x3A 58. ':' */ - _ACPI_PU, /* 0x3B 59. ';' */ - _ACPI_PU, /* 0x3C 60. '<' */ - _ACPI_PU, /* 0x3D 61. '=' */ - _ACPI_PU, /* 0x3E 62. '>' */ - _ACPI_PU, /* 0x3F 63. '?' */ - _ACPI_PU, /* 0x40 64. '@' */ - _ACPI_XD|_ACPI_UP, /* 0x41 65. 'A' */ - _ACPI_XD|_ACPI_UP, /* 0x42 66. 'B' */ - _ACPI_XD|_ACPI_UP, /* 0x43 67. 'C' */ - _ACPI_XD|_ACPI_UP, /* 0x44 68. 'D' */ - _ACPI_XD|_ACPI_UP, /* 0x45 69. 'E' */ - _ACPI_XD|_ACPI_UP, /* 0x46 70. 'F' */ - _ACPI_UP, /* 0x47 71. 'G' */ - _ACPI_UP, /* 0x48 72. 'H' */ - _ACPI_UP, /* 0x49 73. 'I' */ - _ACPI_UP, /* 0x4A 74. 'J' */ - _ACPI_UP, /* 0x4B 75. 'K' */ - _ACPI_UP, /* 0x4C 76. 'L' */ - _ACPI_UP, /* 0x4D 77. 'M' */ - _ACPI_UP, /* 0x4E 78. 'N' */ - _ACPI_UP, /* 0x4F 79. 'O' */ - _ACPI_UP, /* 0x50 80. 'P' */ - _ACPI_UP, /* 0x51 81. 'Q' */ - _ACPI_UP, /* 0x52 82. 'R' */ - _ACPI_UP, /* 0x53 83. 'S' */ - _ACPI_UP, /* 0x54 84. 'T' */ - _ACPI_UP, /* 0x55 85. 'U' */ - _ACPI_UP, /* 0x56 86. 'V' */ - _ACPI_UP, /* 0x57 87. 'W' */ - _ACPI_UP, /* 0x58 88. 'X' */ - _ACPI_UP, /* 0x59 89. 'Y' */ - _ACPI_UP, /* 0x5A 90. 'Z' */ - _ACPI_PU, /* 0x5B 91. '[' */ - _ACPI_PU, /* 0x5C 92. '\' */ - _ACPI_PU, /* 0x5D 93. ']' */ - _ACPI_PU, /* 0x5E 94. '^' */ - _ACPI_PU, /* 0x5F 95. '_' */ - _ACPI_PU, /* 0x60 96. '`' */ - _ACPI_XD|_ACPI_LO, /* 0x61 97. 'a' */ - _ACPI_XD|_ACPI_LO, /* 0x62 98. 'b' */ - _ACPI_XD|_ACPI_LO, /* 0x63 99. 'c' */ - _ACPI_XD|_ACPI_LO, /* 0x64 100. 'd' */ - _ACPI_XD|_ACPI_LO, /* 0x65 101. 'e' */ - _ACPI_XD|_ACPI_LO, /* 0x66 102. 'f' */ - _ACPI_LO, /* 0x67 103. 'g' */ - _ACPI_LO, /* 0x68 104. 'h' */ - _ACPI_LO, /* 0x69 105. 'i' */ - _ACPI_LO, /* 0x6A 106. 'j' */ - _ACPI_LO, /* 0x6B 107. 'k' */ - _ACPI_LO, /* 0x6C 108. 'l' */ - _ACPI_LO, /* 0x6D 109. 'm' */ - _ACPI_LO, /* 0x6E 110. 'n' */ - _ACPI_LO, /* 0x6F 111. 'o' */ - _ACPI_LO, /* 0x70 112. 'p' */ - _ACPI_LO, /* 0x71 113. 'q' */ - _ACPI_LO, /* 0x72 114. 'r' */ - _ACPI_LO, /* 0x73 115. 's' */ - _ACPI_LO, /* 0x74 116. 't' */ - _ACPI_LO, /* 0x75 117. 'u' */ - _ACPI_LO, /* 0x76 118. 'v' */ - _ACPI_LO, /* 0x77 119. 'w' */ - _ACPI_LO, /* 0x78 120. 'x' */ - _ACPI_LO, /* 0x79 121. 'y' */ - _ACPI_LO, /* 0x7A 122. 'z' */ - _ACPI_PU, /* 0x7B 123. '{' */ - _ACPI_PU, /* 0x7C 124. '|' */ - _ACPI_PU, /* 0x7D 125. '}' */ - _ACPI_PU, /* 0x7E 126. '~' */ - _ACPI_CN, /* 0x7F 127. */ - - 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 0x80 to 0x8F */ - 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 0x90 to 0x9F */ - 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 0xA0 to 0xAF */ - 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 0xB0 to 0xBF */ - 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 0xC0 to 0xCF */ - 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 0xD0 to 0xDF */ - 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 0xE0 to 0xEF */ - 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0 /* 0xF0 to 0x100 */ -}; - -#define IS_UPPER(c) (_acpi_ctype[(unsigned char)(c)] & (_ACPI_UP)) -#define IS_LOWER(c) (_acpi_ctype[(unsigned char)(c)] & (_ACPI_LO)) -#define IS_DIGIT(c) (_acpi_ctype[(unsigned char)(c)] & (_ACPI_DI)) -#define IS_SPACE(c) (_acpi_ctype[(unsigned char)(c)] & (_ACPI_SP)) -#define IS_XDIGIT(c) (_acpi_ctype[(unsigned char)(c)] & (_ACPI_XD)) - - -/******************************************************************************* - * - * FUNCTION: AcpiCmToUpper - * - * PARAMETERS: - * - * RETURN: - * - * DESCRIPTION: Convert character to uppercase - * - ******************************************************************************/ - -UINT32 -AcpiCmToUpper ( - UINT32 c) -{ - - return (IS_LOWER(c) ? ((c)-0x20) : (c)); -} - - -/******************************************************************************* - * - * FUNCTION: AcpiCmToLower - * - * PARAMETERS: - * - * RETURN: - * - * DESCRIPTION: Convert character to lowercase - * - ******************************************************************************/ - -UINT32 -AcpiCmToLower ( - UINT32 c) -{ - - return (IS_UPPER(c) ? ((c)+0x20) : (c)); -} - - -/******************************************************************************* - * - * FUNCTION: strupr - * - * PARAMETERS: SrcString - The source string to convert to - * - * RETURN: SrcString - * - * DESCRIPTION: Convert string to uppercase - * - ******************************************************************************/ - -NATIVE_CHAR * -AcpiCmStrupr ( - NATIVE_CHAR *SrcString) -{ - NATIVE_CHAR *String; - - - /* Walk entire string, uppercasing the letters */ - - for (String = SrcString; *String; ) - { - *String = (char) AcpiCmToUpper (*String); - String++; - } - - - return (SrcString); -} - - -/******************************************************************************* - * - * FUNCTION: strstr - * - * PARAMETERS: String1 - - * String2 - * - * RETURN: - * - * DESCRIPTION: Checks if String2 occurs in String1. This is not really a - * full implementation of strstr, only sufficient for command - * matching - * - ******************************************************************************/ - -NATIVE_CHAR * -AcpiCmStrstr ( - NATIVE_CHAR *String1, - NATIVE_CHAR *String2) -{ - NATIVE_CHAR *String; - - - if (AcpiCmStrlen (String2) > AcpiCmStrlen (String1)) - { - return (NULL); - } - - /* Walk entire string, comparing the letters */ - - for (String = String1; *String2; ) - { - if (*String2 != *String) - { - return (NULL); - } - - String2++; - String++; - } - - - return (String1); -} - - -/******************************************************************************* - * - * FUNCTION: strtoul - * - * PARAMETERS: String - Null terminated string - * Terminater - Where a pointer to the terminating byte is returned - * Base - Radix of the string - * - * RETURN: Converted value - * - * DESCRIPTION: Convert a string into an unsigned value. - * - ******************************************************************************/ - -UINT32 -AcpiCmStrtoul ( - const NATIVE_CHAR *String, - NATIVE_CHAR **Terminator, - NATIVE_UINT Base) -{ - UINT32 converted = 0; - UINT32 index; - UINT32 sign; - const NATIVE_CHAR *StringStart; - UINT32 ReturnValue = 0; - ACPI_STATUS Status = AE_OK; - - - /* - * Save the value of the pointer to the buffer's first - * character, save the current errno value, and then - * skip over any white space in the buffer: - */ - StringStart = String; - while (IS_SPACE (*String) || *String == '\t') - { - ++String; - } - - /* - * The buffer may contain an optional plus or minus sign. - * If it does, then skip over it but remember what is was: - */ - if (*String == '-') - { - sign = NEGATIVE; - ++String; - } - - else if (*String == '+') - { - ++String; - sign = POSITIVE; - } - - else - { - sign = POSITIVE; - } - - /* - * If the input parameter Base is zero, then we need to - * determine if it is octal, decimal, or hexadecimal: - */ - if (Base == 0) - { - if (*String == '0') - { - if (AcpiCmToLower (*(++String)) == 'x') - { - Base = 16; - ++String; - } - - else - { - Base = 8; - } - } - - else - { - Base = 10; - } - } - - else if (Base < 2 || Base > 36) - { - /* - * The specified Base parameter is not in the domain of - * this function: - */ - goto done; - } - - /* - * For octal and hexadecimal bases, skip over the leading - * 0 or 0x, if they are present. - */ - if (Base == 8 && *String == '0') - { - String++; - } - - if (Base == 16 && - *String == '0' && - AcpiCmToLower (*(++String)) == 'x') - { - String++; - } - - - /* - * Main loop: convert the string to an unsigned long: - */ - while (*String) - { - if (IS_DIGIT (*String)) - { - index = *String - '0'; - } - - else - { - index = AcpiCmToUpper (*String); - if (IS_UPPER (index)) - { - index = index - 'A' + 10; - } - - else - { - goto done; - } - } - - if (index >= Base) - { - goto done; - } - - /* - * Check to see if value is out of range: - */ - - if (ReturnValue > ((ACPI_UINT32_MAX - (UINT32) index) / - (UINT32) Base)) - { - Status = AE_ERROR; - ReturnValue = 0L; /* reset */ - } - - else - { - ReturnValue *= Base; - ReturnValue += index; - converted = 1; - } - - ++String; - } - -done: - /* - * If appropriate, update the caller's pointer to the next - * unconverted character in the buffer. - */ - if (Terminator) - { - if (converted == 0 && ReturnValue == 0L && String != NULL) - { - *Terminator = (NATIVE_CHAR *) StringStart; - } - - else - { - *Terminator = (NATIVE_CHAR *) String; - } - } - - if (Status == AE_ERROR) - { - ReturnValue = ACPI_UINT32_MAX; - } - - /* - * If a minus sign was present, then "the conversion is negated": - */ - if (sign == NEGATIVE) - { - ReturnValue = (ACPI_UINT32_MAX - ReturnValue) + 1; - } - - return (ReturnValue); -} - -#endif /* ACPI_USE_SYSTEM_CLIBRARY */ - |