133 lines
4.2 KiB
C
133 lines
4.2 KiB
C
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/*
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* plex.h
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*
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* Structures and definitions for using plexs.
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*/
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#ifndef __plex__
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#define __plex__
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#define WAlign(w) (((w)+1)&~1)
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/* comparison return values
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*/
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#define sgnGT 1
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#define sgnEQ 0
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#define sgnLT (-1)
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#define sgnNE 2
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/*----------------------------------------------------------------------------
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| PL structure
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| The PL (pronounced "plex") structure is used to efficiently
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| manipulate variable sized arrays.
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| Fields:
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| iMax number of allocated items
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| fUseCount use count plex (not all plex API's work w/ UseCount plexes)
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| iMac last used allocated item
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| cbItem sizeof item
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| dAlloc number of items to allocate at a time
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| dgShift data group to the plex should be
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| allocated in
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| rg the array of items
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| WARNING: this structure also in winpm\excel.inc & mac\excel.i
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----------------------------------------------------------------------------*/
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typedef struct _pl
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{
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WORD iMax : 15,
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fUseCount : 1;
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SHORT iMac;
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WORD cbItem;
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WORD dAlloc:5,
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unused:11;
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BYTE rg[1];
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}
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PL;
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/*----------------------------------------------------------------------------
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| DEFPL macro
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| Used to define a specific plex.
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| Arguments:
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| PLTYP name of the plex type
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| TYP type of item stored in the plex
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| iMax name to use for the iMax field
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| iMac name to use for the iMac field
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| rg name to use for the rg field
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----------------------------------------------------------------------------*/
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#define DEFPL(PLTYP,TYP,iMax,iMac,rg) \
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typedef struct PLTYP\
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{ \
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WORD iMax : 15, \
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fUseCount : 1; \
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SHORT iMac; \
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WORD cbItem; \
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WORD dAlloc:5, \
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unused:11; \
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TYP rg[1]; \
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} \
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PLTYP;
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/*----------------------------------------------------------------------------
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| DEFPL2 macro
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| Used to define a specific plex.
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| Arguments:
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| PLST name of the plex struct
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| PLTYP name of the plex type
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| TYP type of item stored in the plex
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| iMax name to use for the iMax field
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| iMac name to use for the iMac field
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| rg name to use for the rg field
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----------------------------------------------------------------------------*/
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#define DEFPL2(PLST,PLTYP,TYP,iMax,iMac,rg) \
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typedef struct PLST\
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{ \
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WORD iMax : 15, \
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fUseCount : 1; \
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SHORT iMac; \
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WORD cbItem; \
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WORD dAlloc:5, \
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dgShift:3, \
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unused:8; \
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TYP rg[1]; \
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} \
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PLTYP;
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// a FORPLEX was expanded by hand in bar.c:FHptbFromBarId for speed --
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// if you change this then you may need to change that
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#define FORPLEX(hp, hpMac, hppl) \
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for ((hpMac) = ((hp) = (VOID HUGE *)((PL HUGE *)(hppl))->rg) + \
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((PL HUGE *)(hppl))->iMac; \
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LOWORD(hp) < LOWORD(hpMac); (hp)++)
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#define cbPL ((int)&((PL *)0)->rg)
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#ifdef __cplusplus
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extern "C" {
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#endif // __cplusplus
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VOID *PplAlloc(unsigned, int, unsigned);
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int IAddPl(VOID **, VOID *);
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VOID FreePpl(VOID *);
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BOOL RemovePl(VOID *, int);
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int IAddPlSort(VOID **, VOID *, int (*pfnSgn)());
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BOOL FLookupSortedPl(VOID *, VOID *, int *, int (*pfnSgn)());
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int ILookupPl(VOID *, VOID *, int (*pfnSgn)());
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VOID *PLookupPl(VOID *, VOID *, int (*pfnSgn)());
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int CbPlAlloc(VOID *);
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int IAddNewPlPos(VOID **, VOID *, int, int);
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#ifdef __cplusplus
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}; // extern "C"
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#endif // __cplusplus
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#endif /* __plex__ */
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