791 lines
21 KiB
C
791 lines
21 KiB
C
//
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// readbsc.c -- read in a .BSC file and install in mbrmake's vm space
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//
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// Copyright <C> 1988, Microsoft Corporation
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//
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// Revision History:
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//
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// 13-Aug-1989 rm Extracted from mbrapi.c
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//
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#define LINT_ARGS
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#include "mbrmake.h"
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#include <stddef.h>
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#include "mbrcache.h"
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#include "sbrfdef.h" // sbr attributes
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#include "sbrbsc.h"
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typedef struct _sbrinfo {
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WORD fUpdate;
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WORD isbr;
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} SI, far *LPSI; // sbr info
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#define LISTALLOC 50 // Browser max list size
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typedef WORD IDX;
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// these will be initialized by the reading of the .bsc file
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//
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// fCase; TRUE for case compare
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// MaxSymLen; longest symbol length
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// ModCnt; count of modules
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// SbrCnt; count of sbr files
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// vaUnknownSym; unknown symbol
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// vaUnknownMod; unknown module
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//
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// static data
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static BOOL fIncremental; // update will be incremental
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static BOOL fFoundSBR; // at least .sbr file matched
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static int fhBSC = 0; // .BSC file handle
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static IDX Unknown; // UNKNOWN symbol index
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static WORD ModSymCnt; // count of modsyms
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static WORD SymCnt; // count of symbols
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static WORD PropCnt; // count of properties
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static DWORD RefCnt; // count of references
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static WORD DefCnt; // count of definitions
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static WORD CalCnt; // count of calls
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static WORD CbyCnt; // count of called bys
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static WORD lastAtomPage; // last atom page #
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static WORD lastAtomCnt; // last atom page size
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static WORD cbModSymCnt; // size of list of modsyms
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static WORD cbSymCnt; // size of list of symbols
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static WORD cbPropCnt; // size of list of properties
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static WORD cbRefCnt; // size of list of references
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static WORD cbDefCnt; // size of list of definitions
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static WORD cbCalCnt; // size of list of calls
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static WORD cbCbyCnt; // size of list of called bys
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static WORD MaxModSymCnt; // max list of modsyms
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static WORD MaxSymCnt; // max list of symbols
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static WORD MaxPropCnt; // max list of properties
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static WORD MaxRefCnt; // max list of references
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static WORD MaxDefCnt; // max list of definitions
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static WORD MaxCalCnt; // max list of calls
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static WORD MaxCbyCnt; // max list of called bys
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static DWORD lbModSymList; // modsym list file start
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static DWORD lbSymList; // symbol list file start
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static DWORD lbPropList; // property list file start
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static DWORD lbRefList; // reference list file start
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static DWORD lbDefList; // defintion list file start
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static DWORD lbCalList; // call list file start
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static DWORD lbCbyList; // called by list file start
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static DWORD lbSbrList; // sbr list file start
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static DWORD lbAtomCache; // atom cache file start
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static WORD CurModSymPage = 0; // Current page of modsyms
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static WORD CurSymPage = 0; // Current page of symbols
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static WORD CurPropPage = 0; // Current page of properties
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static WORD CurRefPage = 0; // Current page of references
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static WORD CurDefPage = 0; // Current page of defintions
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static WORD CurCalPage = 0; // Current page of calls
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static WORD CurCbyPage = 0; // Current page of called bys
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static LSZ lszBSCName = NULL; // name of .bsc file
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static MODLIST far *pfModList; // module list cache start
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static MODSYMLIST far *pfModSymList; // modsym list cache start
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static SYMLIST far *pfSymList; // symbol list cache start
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static PROPLIST far *pfPropList; // property list cache start
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static REFLIST far *pfRefList; // reference list cache start
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static REFLIST far *pfDefList; // def'n list cache start
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static USELIST far *pfCalList; // calls list cache start
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static USELIST far *pfCbyList; // call bys list cache start
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static WORD AtomPageTblMac; // last cache page used
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static CACHEPAGE AtomPageTbl[MAXATOMPAGETBL]; // Atom Cache table
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#define bMOD(imod) (pfModList[imod])
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#define bMODSYM(isym) (pfModSymList[ModSymPAGE(isym)])
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#define bSYM(isym) (pfSymList[SymPAGE(isym)])
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#define bPROP(iprop) (pfPropList[PropPAGE(iprop)])
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#define bREF(iref) (pfRefList[RefPAGE(iref)])
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#define bDEF(idef) (pfDefList[DefPAGE(idef)])
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#define bCAL(iuse) (pfCalList[CalPAGE(iuse)])
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#define bCBY(iuse) (pfCbyList[CbyPAGE(iuse)])
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#define bUSE(iuse) (pfCalList[CalPAGE(iuse)])
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#define bUBY(iuse) (pfCbyList[CbyPAGE(iuse)])
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#define BSCIn(v) ReadBSC(&v, sizeof(v))
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// prototypes
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//
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static VOID GetBSCLsz(LSZ lsz);
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static VOID GetBSC (DWORD lpos, LPV lpv, WORD cb);
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static VOID ReadBSC(LPV lpv, WORD cb);
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static IDX SwapPAGE (DWORD, LPV, WORD, WORD, WORD *, DWORD);
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static LPCH GetAtomCache (WORD);
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static WORD ModSymPAGE(WORD idx);
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static WORD SymPAGE(WORD idx);
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static WORD PropPAGE(WORD idx);
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static WORD RefPAGE(DWORD idx);
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static WORD DefPAGE(WORD idx);
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static WORD CalPAGE(WORD idx);
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static WORD CbyPAGE(WORD idx);
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static LSZ LszNameFrIsym(WORD isym);
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static LPSI LpsiCreate(VOID);
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static VOID
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GetBSCLsz(LSZ lsz)
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// read a null terminated string from the current position in the BSC file
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//
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{
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for (;;) {
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if (read(fhBSC, lsz, 1) != 1)
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ReadError(lszBSCName);
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if (*lsz++ == 0) return;
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}
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}
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static VOID
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ReadBSC(LPV lpv, WORD cb)
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// read a block of data from the BSC file
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//
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// the requested number of bytes MUST be present
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//
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{
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if (read(fhBSC, lpv, cb) != (int)cb)
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ReadError(lszBSCName);
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}
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static VOID
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GetBSC(DWORD lpos, LPV lpv, WORD cb)
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// Read a block of the specified size from the specified position
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//
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// we have to be tolerant of EOF here because the swapper might ask
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// for a whole block when only block when only part of a block is actually
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// is actually present
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//
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{
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if (lseek(fhBSC, lpos, SEEK_SET) == -1)
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SeekError(lszBSCName);
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if (read(fhBSC, lpv, cb) == -1)
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ReadError(lszBSCName);
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}
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static IDX
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SwapPAGE (DWORD lbuflist, LPV pfTABLE, WORD tblsiz,
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/* */ WORD lstsiz, WORD * pcurpage, DWORD idx)
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// SwapPAGE - Swap in the table page for the table pfTABLE[idx]
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// and return the table's new index in the page.
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{
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WORD page;
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IDX newidx;
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page = (WORD)(idx / lstsiz);
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newidx = (WORD)(idx % lstsiz);
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if (page == *pcurpage)
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return newidx;
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GetBSC(lbuflist+((long)tblsiz*(long)page), pfTABLE, tblsiz);
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*pcurpage = page;
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return newidx;
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}
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static IDX
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ModSymPAGE (IDX idx)
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// Swap in the ModSym page for ModSym[idx]
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// return the ModSym's index in the page.
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//
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{
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return SwapPAGE (lbModSymList, pfModSymList,
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cbModSymCnt, MaxModSymCnt, &CurModSymPage, (DWORD)idx);
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}
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static IDX
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SymPAGE (IDX idx)
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// Swap in the Symbol page for symbol[idx]
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// return the Symbol's index in the page.
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//
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{
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return SwapPAGE (lbSymList, pfSymList,
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cbSymCnt, MaxSymCnt, &CurSymPage, (DWORD)idx);
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}
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static IDX
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PropPAGE (IDX idx)
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// Swap in the Property page for Property[idx]
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// return the Property's index in the page.
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//
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{
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return SwapPAGE (lbPropList, pfPropList,
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cbPropCnt, MaxPropCnt, &CurPropPage, (DWORD)idx);
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}
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static IDX
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RefPAGE (DWORD idx)
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// Swap in the Reference page for Reference[idx] (ref/def)
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// return the Reference's index in the page.
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//
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{
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return SwapPAGE (lbRefList, pfRefList,
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cbRefCnt, MaxRefCnt, &CurRefPage, idx);
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}
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static IDX
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DefPAGE (IDX idx)
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// Swap in the Reference page for Defintions[idx] (ref/def)
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// return the Reference's index in the page.
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//
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{
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return SwapPAGE (lbDefList, pfDefList,
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cbDefCnt, MaxDefCnt, &CurDefPage, (DWORD)idx);
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}
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static IDX
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CalPAGE (IDX idx)
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// Swap in the Usage page for Usage[idx] (cal/cby)
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// and return the Usage's index in the page.
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//
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{
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return SwapPAGE (lbCalList, pfCalList,
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cbCalCnt, MaxCalCnt, &CurCalPage, (DWORD)idx);
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}
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static IDX
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CbyPAGE (IDX idx)
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// Swap in the Usage page for Usage[idx] (cal/cby)
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// and return the Usage's index in the page.
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//
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{
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return SwapPAGE (lbCbyList, pfCbyList,
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cbCbyCnt, MaxCbyCnt, &CurCbyPage, (DWORD)idx);
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}
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static LPCH
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GetAtomCache (WORD Page)
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// load the requested page into the cache
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//
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{
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WORD ipg;
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WORD pagesize;
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LPCH pfAtomCsave;
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for (ipg = 0; ipg < AtomPageTblMac; ipg++) {
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if (AtomPageTbl[ipg].uPage == Page)
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return AtomPageTbl[ipg].pfAtomCache;
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}
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if (ipg == AtomPageTblMac && ipg != MAXATOMPAGETBL)
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AtomPageTblMac++;
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pfAtomCsave = AtomPageTbl[MAXATOMPAGETBL-1].pfAtomCache;
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for (ipg = MAXATOMPAGETBL-1; ipg; ipg--)
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AtomPageTbl[ipg] = AtomPageTbl[ipg-1]; // move up
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AtomPageTbl[0].pfAtomCache = pfAtomCsave;
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AtomPageTbl[0].uPage = Page;
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if (Page == lastAtomPage)
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pagesize = lastAtomCnt;
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else
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pagesize = ATOMALLOC;
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GetBSC(lbAtomCache+ATOMALLOC*(long)Page,
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AtomPageTbl[0].pfAtomCache, pagesize);
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return AtomPageTbl[0].pfAtomCache;
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}
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static LSZ
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LszNameFrIsym (IDX isym)
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// Swap in the Atom page for the symbol isym
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// return the atom's address in the page.
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//
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{
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SYMLIST sym;
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sym = bSYM(isym);
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return GetAtomCache (sym.Page) + sym.Atom;
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}
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VOID
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CloseBSC()
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// close database and free as much memory as possible
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// return TRUE iff successful.
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//
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{
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int i;
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if (fhBSC) { // if open then close, & free memory
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FreeLpv (pfModList); // module table
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FreeLpv (pfModSymList); // modsym table
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FreeLpv (pfSymList); // symbol table
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FreeLpv (pfPropList); // property table
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FreeLpv (pfRefList); // reference table
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FreeLpv (pfDefList); // definition table
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FreeLpv (pfCalList); // call table
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FreeLpv (pfCbyList); // called by table
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for (i=0; i < MAXATOMPAGETBL; i++)
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FreeLpv (AtomPageTbl[i].pfAtomCache); // dispose Atom Cache
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close (fhBSC);
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}
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}
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BOOL
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FOpenBSC (LSZ lszName)
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// Open the specified data base.
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// Allocate buffers for cache areas
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// Initialize the data cache from the data base.
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//
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// Return TRUE iff successful, FALSE if database can't be read
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//
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{
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int i;
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WORD pagesize;
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BYTE MajorVer; // .bsc version (major)
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BYTE MinorVer; // .bsc version (minor)
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BYTE UpdatVer; // .bsc version (updat)
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WORD MaxModCnt; // max list of modules
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WORD cbModCnt; // size of list of modules
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DWORD lbModList; // module list file start
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lszBSCName = lszName;
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fhBSC = open(lszBSCName, O_BINARY|O_RDONLY);
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// if the .bsc file doesn't exist then we don't do any work
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// this is the cold compile case
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//
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if (fhBSC == -1)
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return FALSE;
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// read and check BSC version (major, minor and update)
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BSCIn(MajorVer);
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BSCIn(MinorVer);
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BSCIn(UpdatVer);
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#ifdef DEBUG
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printf("Browser Data Base: %s ver %d.%d.%d\n\n",
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lszBSCName, MajorVer, MinorVer, UpdatVer);
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#endif
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if ((MajorVer != BSC_MAJ) ||
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(MinorVer != BSC_MIN) ||
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(UpdatVer != BSC_UPD))
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return FALSE;
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// we will be attempting an incremental update
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fIncremental = TRUE;
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// read Case sense switch, max symbol length and Unknown module id
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BSCIn(fCase);
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BSCIn(MaxSymLen);
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BSCIn(Unknown);
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// read counts (sizes) of each data area
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BSCIn(ModCnt);
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BSCIn(ModSymCnt);
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BSCIn(SymCnt);
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BSCIn(PropCnt);
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BSCIn(RefCnt);
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BSCIn(DefCnt);
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BSCIn(CalCnt);
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BSCIn(CbyCnt);
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BSCIn(lastAtomPage);
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BSCIn(lastAtomCnt);
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// read BSC data area offsets
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BSCIn(lbModList);
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BSCIn(lbModSymList);
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BSCIn(lbSymList);
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BSCIn(lbPropList);
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BSCIn(lbRefList);
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BSCIn(lbDefList);
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BSCIn(lbCalList);
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BSCIn(lbCbyList);
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BSCIn(lbAtomCache);
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BSCIn(lbSbrList);
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// determine data cache area sizes
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#define MIN(a,b) ((a)>(b) ? (b) : (a))
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MaxModCnt = ModCnt; // max list of modules
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MaxModSymCnt = MIN(ModSymCnt , LISTALLOC); // max list of modsyms
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MaxSymCnt = MIN(SymCnt+ModCnt, LISTALLOC); // max list of symbols
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MaxPropCnt = MIN(PropCnt , LISTALLOC); // max list of props
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MaxRefCnt = (WORD)MIN(RefCnt, (long)LISTALLOC); // max list of refs
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MaxDefCnt = MIN(DefCnt , LISTALLOC); // max list of defs
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MaxCalCnt = MIN(CalCnt , LISTALLOC); // max list of cals
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MaxCbyCnt = MIN(CbyCnt , LISTALLOC); // max list of cbys
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cbModCnt = sizeof (MODLIST) * MaxModCnt; // size of mods list
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cbModSymCnt = sizeof (MODSYMLIST) * MaxModSymCnt; // size of modsyms list
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cbSymCnt = sizeof (SYMLIST) * MaxSymCnt; // size of syms list
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cbPropCnt = sizeof (PROPLIST) * MaxPropCnt; // size of props list
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cbRefCnt = sizeof (REFLIST) * MaxRefCnt; // size of refs list
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cbDefCnt = sizeof (REFLIST) * MaxDefCnt; // size of defs list
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cbCalCnt = sizeof (USELIST) * MaxCalCnt; // size of cals list
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cbCbyCnt = sizeof (USELIST) * MaxCbyCnt; // size of cbys list
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// Allocate data cache
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pfModList = LpvAllocCb(cbModCnt);
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pfModSymList = LpvAllocCb(cbModSymCnt);
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pfSymList = LpvAllocCb(cbSymCnt);
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pfPropList = LpvAllocCb(cbPropCnt);
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pfRefList = LpvAllocCb(cbRefCnt);
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pfDefList = LpvAllocCb(cbDefCnt);
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pfCalList = LpvAllocCb(cbCalCnt);
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pfCbyList = LpvAllocCb(cbCbyCnt);
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for (i=0; i < MAXATOMPAGETBL; i++) {
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AtomPageTbl[i].uPage = 0;
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AtomPageTbl[i].pfAtomCache = LpvAllocCb(ATOMALLOC);
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}
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AtomPageTblMac = 0; // last cache page used
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AtomPageTbl[0].uPage = 65535;
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// read data areas
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if (lastAtomPage == 0)
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pagesize = lastAtomCnt;
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else
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pagesize = ATOMALLOC;
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GetBSC(lbModList, pfModList, cbModCnt); // Init Mod cache
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GetBSC(lbModSymList, pfModSymList, cbModSymCnt); // Init ModSym cache
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GetBSC(lbSymList, pfSymList, cbSymCnt); // Init Sym cache
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GetBSC(lbPropList, pfPropList, cbPropCnt); // Init Prop cache
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GetBSC(lbRefList, pfRefList, cbRefCnt); // Init Ref cache
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GetBSC(lbDefList, pfDefList, cbDefCnt); // Init Def cache
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GetBSC(lbCalList, pfCalList, cbCalCnt); // Init Cal cache
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GetBSC(lbCbyList, pfCbyList, cbCbyCnt); // Init Cby cache
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GetAtomCache (0); // Init Atom cache
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return TRUE;
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}
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VOID
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InstallBSC()
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// Install the currently open BSC into the mbrmake lists
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//
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{
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IDX iprop, imod, isym, idef, ical, icby, isbr, iFirstFileSym;
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VA vaSym, vaProp, vaRef, vaFileSym, vaMod;
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DWORD iref;
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PROPLIST prop, prop0;
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MODLIST mod;
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DEF def;
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CAL cal;
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CBY cby;
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VA *rgVaProp; // preallocated array of PROPs
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VA *rgVaFileSym; // cached SYMs for the filenames
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BYTE *rgFModUsed; // is this module used?
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SI *mpIsbrSi;
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rgVaProp = (VA *)LpvAllocCb(PropCnt * sizeof(VA));
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rgVaFileSym = (VA *)LpvAllocCb(ModCnt * sizeof(VA));
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rgFModUsed = (BYTE *)LpvAllocCb(ModCnt * sizeof(BYTE));
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// make the SBR info for this BSC file
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mpIsbrSi = LpsiCreate();
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// this relies on the fact that all the SYMs for the files are together
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// (they're after all the SYMs for the variables)
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iFirstFileSym = bMOD(0).ModName;
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for (iprop = 0; iprop < PropCnt; iprop++)
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rgVaProp[iprop] = VaAllocGrpCb(grpProp, sizeof(PROP));
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for (imod = 0; imod < ModCnt; imod++) {
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mod = bMOD(imod);
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vaCurMod = VaAllocGrpCb(grpMod, sizeof(MOD));
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gMOD(vaCurMod);
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cMOD.vaFirstModSym = vaNil;
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cMOD.csyms = 0;
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cMOD.vaNameSym = MbrAddAtom (LszNameFrIsym (mod.ModName), TRUE);
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cMOD.vaNextMod = vaRootMod;
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pMOD(vaCurMod);
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rgVaFileSym[imod] = cMOD.vaNameSym;
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rgFModUsed[imod] = 0;
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vaRootMod = vaCurMod;
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if (Unknown == mod.ModName) {
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vaUnknownSym = cMOD.vaNameSym;
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vaUnknownMod = vaCurMod;
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}
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gSYM(cMOD.vaNameSym).vaFirstProp = vaCurMod; // store ptr to MOD
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pSYM(cMOD.vaNameSym);
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}
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for (isym = 0; isym < SymCnt; isym++) {
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vaSym = MbrAddAtom(LszNameFrIsym(isym), FALSE);
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iprop = isym ? bSYM((IDX)(isym-1)).PropEnd : 0;
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for (; iprop < bSYM(isym).PropEnd; iprop++) {
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prop = bPROP(iprop);
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if (iprop)
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prop0 = bPROP((IDX)(iprop-1));
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else {
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prop0.DefEnd = 0L;
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prop0.RefEnd = 0;
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prop0.CalEnd = 0;
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prop0.CbyEnd = 0;
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}
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// the properties were preallocated
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vaProp = rgVaProp[iprop];
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gSYM(vaSym);
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if (cSYM.vaFirstProp == vaNil)
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cSYM.vaFirstProp = vaProp;
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else
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cPROP.vaNextProp = vaProp;
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cSYM.cprop++;
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pSYM(vaSym);
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gPROP(vaProp);
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cPROP.vaNameSym = vaSym;
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cPROP.sattr = prop.PropAttr;
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#ifdef DEBUG
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if (isym != prop.PropName)
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printf("\t ERROR property points back to wrong symbol!\n"); // DEBUG
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#endif
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for (idef = prop0.DefEnd; idef < prop.DefEnd; idef++) {
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isbr = bDEF(idef).isbr;
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// this SBR file is being updated -- ignore incoming info
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if (isbr == 0xffff || mpIsbrSi[isbr].fUpdate) continue;
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imod = bDEF(idef).RefNam - iFirstFileSym;
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def.isbr = mpIsbrSi[isbr].isbr;
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def.deflin = bDEF(idef).RefLin;
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def.vaFileSym = rgVaFileSym[imod];
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rgFModUsed[imod] = 1;
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VaAddList(&cPROP.vaDefList, &def, sizeof(def), grpDef);
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}
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for (iref = prop0.RefEnd; iref < prop.RefEnd; iref++) {
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isbr = bREF(iref).isbr;
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// this SBR file is being updated -- ignore incoming info
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if (mpIsbrSi[isbr].fUpdate) continue;
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vaRef = VaAllocGrpCb(grpRef, sizeof(REF));
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gREF(vaRef);
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imod = bREF(iref).RefNam - iFirstFileSym;
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cREF.isbr = mpIsbrSi[isbr].isbr;
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cREF.reflin = bREF(iref).RefLin;
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vaFileSym = rgVaFileSym[imod];
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rgFModUsed[imod] = 1;
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MkVpVa(cREF.vpFileSym, vaFileSym);
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pREF(vaRef);
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AddTail (Ref, REF);
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cPROP.cref++; // count references
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}
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for (ical = prop0.CalEnd; ical < prop.CalEnd; ical++) {
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isbr = bCAL(ical).isbr;
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// this SBR file is being updated -- ignore incoming info
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if (mpIsbrSi[isbr].fUpdate) continue;
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cal.isbr = mpIsbrSi[isbr].isbr;
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cal.vaCalProp = rgVaProp[bCAL(ical).UseProp];
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cal.calcnt = bCAL(ical).UseCnt;
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VaAddList(&cPROP.vaCalList, &cal, sizeof(cal), grpCal);
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}
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for (icby = prop0.CbyEnd; icby < prop.CbyEnd; icby++) {
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isbr = bCBY(icby).isbr;
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// this SBR file is being updated -- ignore incoming info
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if (mpIsbrSi[isbr].fUpdate) continue;
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cby.isbr = mpIsbrSi[isbr].isbr;
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cby.vaCbyProp = rgVaProp[bCBY(icby).UseProp];
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cby.cbycnt = bCBY(icby).UseCnt;
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VaAddList(&cPROP.vaCbyList, &cby, sizeof(cby), grpCby);
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}
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pPROP(vaProp);
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}
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}
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for (imod = 0; imod < ModCnt; imod++) {
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vaMod = gSYM(rgVaFileSym[imod]).vaFirstProp;
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gMOD(vaMod);
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if (rgFModUsed[imod] == 0) {
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cMOD.csyms = 1; // mark this MOD as empty
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pMOD(vaMod);
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}
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}
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FreeLpv(mpIsbrSi);
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FreeLpv(rgFModUsed);
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FreeLpv(rgVaFileSym);
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FreeLpv(rgVaProp);
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}
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static LPSI
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LpsiCreate()
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// create the SBR info records for this .BSC file
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//
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{
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SI FAR *mpIsbrSi;
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LSZ lszSbrName;
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VA vaSbr;
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WORD isbr, isbr2;
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WORD fUpdate;
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// add the files that are current in the database to the list of .SBR files
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//
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lszSbrName = LpvAllocCb(PATH_BUF);
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lseek(fhBSC, lbSbrList, SEEK_SET);
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for (isbr = 0;;isbr++) {
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GetBSCLsz(lszSbrName);
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if (*lszSbrName == '\0')
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break;
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vaSbr = VaSbrAdd(SBR_OLD, lszSbrName);
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cSBR.isbr = isbr;
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pSBR(vaSbr);
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}
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FreeLpv(lszSbrName);
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mpIsbrSi = LpvAllocCb(SbrCnt * sizeof(SI));
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// allocate and fill in the new table with the base numbers
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// mark files that are staying and those that are going away
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// number any new sbr files that we find while doing this.
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vaSbr = vaRootSbr;
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while (vaSbr) {
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gSBR(vaSbr);
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if (cSBR.isbr == (WORD)-1) {
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cSBR.isbr = isbr++;
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pSBR(vaSbr);
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}
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if (cSBR.fUpdate == SBR_NEW)
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Warning(WARN_SBR_TRUNC, cSBR.szName);
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else if (cSBR.fUpdate & SBR_NEW)
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fFoundSBR = TRUE;
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mpIsbrSi[cSBR.isbr].fUpdate = cSBR.fUpdate;
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vaSbr = cSBR.vaNextSbr;
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}
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if (!fFoundSBR) {
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// all SBR files were not in the database and were truncated. ERROR!
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Error(ERR_ALL_SBR_TRUNC, "");
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}
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isbr2 = 0;
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for (isbr = 0; isbr < SbrCnt; isbr++) {
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fUpdate = mpIsbrSi[isbr].fUpdate;
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if (fUpdate & SBR_NEW)
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mpIsbrSi[isbr].isbr = isbr2++;
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else
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mpIsbrSi[isbr].isbr = (WORD)-1;
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if ((fUpdate & SBR_UPDATE) ||
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(fUpdate & SBR_OLD) && (~fUpdate & SBR_NEW))
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mpIsbrSi[isbr].fUpdate = TRUE;
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else
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mpIsbrSi[isbr].fUpdate = FALSE;
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}
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return mpIsbrSi;
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}
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VOID
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NumberSBR()
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// stub version of LpsiCreate --- call this if FOpenBSC fails to just
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// assign new numbers to all the .sbr files that are in the list
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//
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{
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VA vaSbr;
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WORD isbr;
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// number new sbr files
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vaSbr = vaRootSbr;
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isbr = 0;
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while (vaSbr) {
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gSBR(vaSbr);
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#ifdef DEBUG
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if (cSBR.isbr != (WORD)-1) {
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printf("Non initialized SBR file encountered\n"); //DEBUG
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}
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#endif
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// if this file is truncated then and there is no
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// old version of the file then emit a warning about the file
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// and then an error stating that we are not in incremental mode
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if (cSBR.fUpdate == SBR_NEW) {
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Warning(WARN_SBR_TRUNC, cSBR.szName);
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Error(ERR_NO_INCREMENTAL, "");
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}
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cSBR.isbr = isbr++;
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pSBR(vaSbr);
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vaSbr = cSBR.vaNextSbr;
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}
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}
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