vdfsplat / AppSrc / cWinFunc.pkg @ 56
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| 1 | 19 | wil | //*************************************************************************** |
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| 2 | // binary.pkg |
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| 3 | // |
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| 4 | // Copyright (c) 1999-2001 Out of the Box Consulting, Inc. |
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| 5 | // All rights reserved. |
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| 6 | // |
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| 7 | //*************************************************************************** |
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| 8 | // Description: |
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| 9 | // This is a collection of functions/procedures to aid in binary |
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| 10 | // operations. |
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| 11 | // |
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| 12 | // Author: Oliver T. Nelson, Sture Anderson |
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| 13 | //*************************************************************************** |
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| 14 | |||
| 15 | Function lshift global Integer iVal Integer iPositions Returns Integer |
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| 16 | Integer i |
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| 17 | BigInt bVal |
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| 18 | For i From 1 To iPositions |
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| 19 | Move (iVal * 2) To bVal |
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| 20 | If (bVal >= 2147483648) Move (bVal - 2147483648) To iVal |
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| 21 | Else Move bVal To iVal |
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| 22 | Loop |
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| 23 | Function_Return iVal |
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| 24 | End_Function |
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| 25 | |||
| 26 | Function rshift global Integer iVal Integer iPositions Returns Integer |
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| 27 | Function_Return (iVal / (2^iPositions)) |
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| 28 | End_Function |
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| 29 | |||
| 30 | Function rshiftabs global Integer iVal Integer iPositions Returns Integer |
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| 31 | Number iHighOrder |
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| 32 | UInteger iCnt |
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| 33 | Number nVal |
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| 34 | |||
| 35 | If (iVal < 0) Begin |
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| 36 | Move (Number(iVal) + Number(4294967296)) To nVal |
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| 37 | Move (nVal / (2^iPositions)) To iVal |
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| 38 | End |
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| 39 | Else Move (iVal / (2^iPositions)) To iVal |
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| 40 | Function_Return iVal |
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| 41 | End_Function |
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| 42 | |||
| 43 | Function rol global Integer iVal Integer iCnt Returns Integer |
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| 44 | Function_Return (lshift(iVal, iCnt) Ior rshiftabs(iVal, (32 - iCnt))) |
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| 45 | End_Function |
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| 46 | |||
| 47 | Function inot global Integer iValue Returns Integer |
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| 48 | Function_Return ( (iValue * -1) - 1) |
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| 49 | End_Function |
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| 50 | |||
| 51 | Function xor global Integer i1 Integer i2 Returns Integer |
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| 52 | Function_Return ( (i1 Ior i2) - (i1 Iand i2) ) |
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| 53 | End_Function |
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| 54 | |||
| 55 | #IFNDEF GET_BYTETOHEX |
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| 56 | // **WvA: 27-07-2004 Check added is already declared in VDFQuery strings.nui |
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| 57 | Function ByteToHex global Integer byte# Returns String |
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| 58 | Function_Return (Mid("0123456789ABCDEF",1,byte#/16+1)+Mid("0123456789ABCDEF",1,(byte# Iand 15)+1))
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| 59 | End_Function |
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| 60 | #ENDIF |
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| 61 | |||
| 62 | Function WordToByte Global Integer wI Returns String |
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| 63 | Function_Return (Character(wI Iand 255)+Character(wI/256)) |
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| 64 | End_Function |
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| 65 | |||
| 66 | Function WordToHex Global Integer wI Returns String |
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| 67 | Function_Return (ByteToHex(Character(wI Iand 255))+ByteToHex(Character(wI/256))) |
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| 68 | End_Function |
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| 69 | |||
| 70 | Function DwordToHex Global Integer aDWord Returns String |
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| 71 | Function_Return ( ByteToHex(hi(aDWORD)/256) + ByteToHex(hi(aDWORD) Iand 255) + ByteToHex(low(aDWORD)/256) + ByteToHex(low(aDWORD) Iand 255) ) |
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| 72 | End_Function |
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| 73 | |||
| 74 | // **WvA: 27-07-2004 added |
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| 75 | Function IntToHex Global Integer iValue Returns String |
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| 76 | Function_Return (DwordToHex(iValue)) |
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| 77 | End_Function // IntToHex |
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| 78 | |||
| 79 | Function Ptr2Str Pointer lpsDataPointer Returns String |
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| 80 | String sResult sCharacter |
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| 81 | Integer iVoid |
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| 82 | Pointer pCharacter |
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| 83 | If (lpsDataPointer <> 0) Begin |
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| 84 | ZeroString 1 To sCharacter |
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| 85 | GetAddress Of sCharacter To pCharacter |
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| 86 | Move (CopyMemory (pCharacter, lpsDataPointer, 1)) To iVoid |
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| 87 | While (Ascii (sCharacter) <> 0) |
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| 88 | Move (sResult + sCharacter) To sResult |
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| 89 | Increment lpsDataPointer |
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| 90 | Move (CopyMemory (pCharacter, lpsDataPointer, 1)) To iVoid |
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| 91 | End |
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| 92 | End |
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| 93 | Function_Return sResult |
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| 94 | End_Function |