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160 lines
4.8 KiB
160 lines
4.8 KiB
/* standard.h, /appletalk/ins, Garth Conboy, 09/26/88 */
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/* Copyright (c) 1987 by Pacer Software Inc., La Jolla, CA */
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/* GC - Initial coding.
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GC - (08/21/89): Define "near" and "far" for non-OS/2 environments.
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GC - (10/06/90): Added "_far", "_near", and "_fastcall" to the above
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list.
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GC - (06/28/92): Add CarefulMemMove() definition. Removed some VMS-isms;
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it's unlikely that this code base, in whole or in part,
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will head to VMS.
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*** Make the PVCS source control system happy:
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$Header$
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$Log$
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***
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Make life a little better...
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*/
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/* A few english macros: */
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#define is ==
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#define isnt !=
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#define empty 0
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#define Empty 0
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#define or ||
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#define and &&
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#define not !
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#if (IamNot an OS2) and (IamNot a DOS)
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#define far
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#define near
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#define _far
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#define _near
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#define _fastcall
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#endif
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#define Max(i,j) (((i) > (j)) ? (i) : (j))
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#define Min(i,j) (((i) < (j)) ? (i) : (j))
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#define Abs(i) (((i) < 0) ? -(i) : (i))
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#define RoundUpToEven(i) ((((i) & 1) is 1) ? (i) + 1 : (i))
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#define CompareFourBytes(p,q) (*(long far *)(p) is *(long far *)(q))
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#define AssignFourBytes(p, q) (*(long far *)(p) = *(long far *)(q))
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#if (IamNot a WindowsNT)
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#define Malloc(i) malloc((size_t)(i))
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#define Calloc(n, i) calloc((size_t)(n), (size_t)(i))
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#define Free(p) free(p)
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#endif
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#ifndef InitializeData
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extern
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#endif
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char zeros[20];
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/* Various move macros for machine to wire format and vice versa. */
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#define MoveShortMachineToWire(p, s) \
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(p)[0] = (char)((s) >> 8), \
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(p)[1] = (char)((s) & 0xFF)
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#define MoveLongMachineToWire(p, l) \
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(p)[0] = (char)((l) >> 24), \
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(p)[1] = (char)((l) >> 16), \
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(p)[2] = (char)((l) >> 8), \
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(p)[3] = (char)((l) & 0xFF)
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#define MoveShortWireToMachine(p, s) \
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*(short *)&s = (short)(((short)((unsigned char)((p)[0])) << 8) + \
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((unsigned char)((p)[1]) & 0xFF))
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#define MoveLongWireToMachine(p, l) \
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*(long *)&l = (long)(((long)((unsigned char)((p)[0])) << 24) + \
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((long)((unsigned char)((p)[1])) << 16) + \
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((long)((unsigned char)((p)[2])) << 8) + \
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((unsigned char)((p)[3]) & 0xFF))
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/* Assign different type pointers without warning... */
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#define Assign(p,q) ((char far *)(p) = (char far *)(q))
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/* Block memory move (non-overlapping buffers only): */
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#if (__STDC__) or (Iam an OS2) or (Iam a DOS)
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#define MoveMem(target, source, n) \
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memcpy((char far *)target, (char far *)source, (size_t)n)
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#elif (Iam a WindowsNT)
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#define MoveMem(target, source, n) \
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RtlMoveMemory((char *)(target), (char *)(source), (unsigned long)(n))
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#else
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#error "Define move routine."
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#endif
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/* Block memory move (overlapping buffers okay): */
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#if (__STDC__) or (Iam an OS2) or (Iam a DOS)
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#define CarefulMoveMem(target, source, n) \
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memmove((char far *)target, (char far *)source, (size_t)n)
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#elif (Iam a WindowsNT)
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#define CarefulMoveMem(target, source, n) \
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RtlMoveMemory((char *)(target), (source), (unsigned long)(n));
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#else
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#error "Define careful carefull move routine."
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#endif
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/* Memory fill: */
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#if (__STDC__) or (Iam an OS2) or (Iam a DOS)
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#define FillMem(string, byte, count) \
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memset((char far *)string, (char)byte, (unsigned)count)
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#elif (Iam a WindowsNT)
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#define FillMem(string, byte, count) \
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RtlFillMemory((char *)(string), (unsigned long)(count), (unsigned char)(byte));
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#else
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#error "Define Fill memory routine."
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#endif
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/* Error-checked modulus... */
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#define CheckMod(target, hash, modulus, routineName) \
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target = hash % modulus; \
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if (target < 0) \
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{ \
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target *= -1; \
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ErrorLog(routineName, ISevError, __LINE__, UnknownPort, \
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IErrNegativeHashValue, IMsgNegativeHashValue, \
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Insert0()); \
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}
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/* On some architechtures, the following macro will NOT work for odd-byte-
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aligned addresses. */
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#define CompareSixBytes(p, q) \
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(*(long far *)(p) is *(long far *)(q) and \
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*(short far *)((char far *)p + sizeof(long)) is \
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*(short far *)((char far *)q + sizeof(long)))
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/* Error severities: */
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typedef enum {ISevVerbose = 0,
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ISevWarning,
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ISevError,
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ISevFatal,
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ISevAlert} ErrorSeverity;
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