diff options
Diffstat (limited to 'storage/connect/tabdos.cpp')
-rw-r--r-- | storage/connect/tabdos.cpp | 95 |
1 files changed, 50 insertions, 45 deletions
diff --git a/storage/connect/tabdos.cpp b/storage/connect/tabdos.cpp index d2bb3d7a4af..468966e79d9 100644 --- a/storage/connect/tabdos.cpp +++ b/storage/connect/tabdos.cpp @@ -1,11 +1,11 @@ /************* TabDos C++ Program Source Code File (.CPP) **************/ /* PROGRAM NAME: TABDOS */ /* ------------- */ -/* Version 4.9.2 */ +/* Version 4.9.3 */ /* */ /* COPYRIGHT: */ /* ---------- */ -/* (C) Copyright to the author Olivier BERTRAND 1998-2016 */ +/* (C) Copyright to the author Olivier BERTRAND 1998-2017 */ /* */ /* WHAT THIS PROGRAM DOES: */ /* ----------------------- */ @@ -98,6 +98,7 @@ DOSDEF::DOSDEF(void) Ofn = NULL; Entry = NULL; To_Indx = NULL; + Pwd = NULL; Recfm = RECFM_VAR; Mapped = false; Zipped = false; @@ -131,7 +132,7 @@ bool DOSDEF::DefineAM(PGLOBAL g, LPCSTR am, int) bool map = (am && (*am == 'M' || *am == 'm')); LPCSTR dfm = (am && (*am == 'F' || *am == 'f')) ? "F" : (am && (*am == 'B' || *am == 'b')) ? "B" - : (am && !stricmp(am, "DBF")) ? "D" : "V"; + : (am && !stricmp(am, "DBF")) ? "D" : "V"; if ((Zipped = GetBoolCatInfo("Zipped", false))) { Entry = GetStringCatInfo(g, "Entry", NULL); @@ -139,14 +140,15 @@ bool DOSDEF::DefineAM(PGLOBAL g, LPCSTR am, int) : false; Mulentries = GetBoolCatInfo("Mulentries", Mulentries); Append = GetBoolCatInfo("Append", false); - } + Pwd = GetStringCatInfo(g, "Password", NULL); + } // endif Zipped Desc = Fn = GetStringCatInfo(g, "Filename", NULL); Ofn = GetStringCatInfo(g, "Optname", Fn); GetCharCatInfo("Recfm", (PSZ)dfm, buf, sizeof(buf)); Recfm = (toupper(*buf) == 'F') ? RECFM_FIX : (toupper(*buf) == 'B') ? RECFM_BIN : - (toupper(*buf) == 'D') ? RECFM_DBF : RECFM_VAR; + (toupper(*buf) == 'D') ? RECFM_DBF : RECFM_VAR; Lrecl = GetIntCatInfo("Lrecl", 0); if (Recfm != RECFM_DBF) @@ -180,7 +182,7 @@ bool DOSDEF::DefineAM(PGLOBAL g, LPCSTR am, int) /***********************************************************************/ bool DOSDEF::GetOptFileName(PGLOBAL g, char *filename) { - char *ftype; + PCSZ ftype; switch (Recfm) { case RECFM_VAR: ftype = ".dop"; break; @@ -237,9 +239,9 @@ void DOSDEF::RemoveOptValues(PGLOBAL g) /***********************************************************************/ bool DOSDEF::DeleteIndexFile(PGLOBAL g, PIXDEF pxdf) { - char *ftype; - char filename[_MAX_PATH]; - bool sep, rc = false; + PCSZ ftype; + char filename[_MAX_PATH]; + bool sep, rc = false; if (!To_Indx) return false; // No index @@ -351,7 +353,7 @@ PTDB DOSDEF::GetTable(PGLOBAL g, MODE mode) if (Zipped) { #if defined(ZIP_SUPPORT) if (Recfm == RECFM_VAR) { - if (mode == MODE_READ || mode == MODE_ANY) { + if (mode == MODE_READ || mode == MODE_ANY || mode == MODE_ALTER) { txfp = new(g) UNZFAM(this); } else if (mode == MODE_INSERT) { txfp = new(g) ZIPFAM(this); @@ -362,7 +364,7 @@ PTDB DOSDEF::GetTable(PGLOBAL g, MODE mode) tdbp = new(g) TDBDOS(this, txfp); } else { - if (mode == MODE_READ || mode == MODE_ANY) { + if (mode == MODE_READ || mode == MODE_ANY || mode == MODE_ALTER) { txfp = new(g) UZXFAM(this); } else if (mode == MODE_INSERT) { txfp = new(g) ZPXFAM(this); @@ -1307,6 +1309,7 @@ PBF TDBDOS::InitBlockFilter(PGLOBAL g, PFIL filp) } // endif !opm // if opm, pass thru + /* fall through */ case OP_IN: if (filp->GetArgType(0) == TYPE_COLBLK && filp->GetArgType(1) == TYPE_ARRAY) { @@ -1509,8 +1512,8 @@ PBF TDBDOS::CheckBlockFilari(PGLOBAL g, PXOB *arg, int op, bool *cnv) if (n == 8 && ctype != TYPE_LIST) { // Should never happen strcpy(g->Message, "Block opt: bad constant"); - longjmp(g->jumper[g->jump_level], 99); - } // endif Conv + throw 99; + } // endif Conv if (type[0] == 1) { // Make it always as Column-op-Value @@ -1790,8 +1793,8 @@ err: /* Make a dynamic index. */ /***********************************************************************/ bool TDBDOS::InitialyzeIndex(PGLOBAL g, volatile PIXDEF xdp, bool sorted) - { - int k, rc; +{ + int k; volatile bool dynamic; bool brc; PCOL colp; @@ -1861,13 +1864,7 @@ bool TDBDOS::InitialyzeIndex(PGLOBAL g, volatile PIXDEF xdp, bool sorted) } else // Column contains same values as ROWID kxp = new(g) XXROW(this); - // Prepare error return - if (g->jump_level == MAX_JUMP) { - strcpy(g->Message, MSG(TOO_MANY_JUMPS)); - return true; - } // endif - - if (!(rc = setjmp(g->jumper[++g->jump_level])) != 0) { + try { if (dynamic) { ResetBlockFilter(g); kxp->SetDynamic(dynamic); @@ -1892,12 +1889,17 @@ bool TDBDOS::InitialyzeIndex(PGLOBAL g, volatile PIXDEF xdp, bool sorted) } // endif brc - } else - brc = true; + } catch (int n) { + if (trace) + htrc("Exception %d: %s\n", n, g->Message); + brc = true; + } catch (const char *msg) { + strcpy(g->Message, msg); + brc = true; + } // end catch - g->jump_level--; - return brc; - } // end of InitialyzeIndex + return brc; +} // end of InitialyzeIndex /***********************************************************************/ /* DOS GetProgMax: get the max value for progress information. */ @@ -2118,7 +2120,8 @@ bool TDBDOS::OpenDB(PGLOBAL g) return false; } // endif use - if (Mode == MODE_DELETE && !Next && Txfp->GetAmType() != TYPE_AM_DOS) { + if (Mode == MODE_DELETE && !Next && Txfp->GetAmType() != TYPE_AM_DOS + && Txfp->GetAmType() != TYPE_AM_MGO) { // Delete all lines. Not handled in MAP or block mode Txfp = new(g) DOSFAM((PDOSDEF)To_Def); Txfp->SetTdbp(this); @@ -2156,16 +2159,18 @@ bool TDBDOS::OpenDB(PGLOBAL g) To_BlkFil = InitBlockFilter(g, To_Filter); /*********************************************************************/ - /* Allocate the line buffer plus a null character. */ - /*********************************************************************/ - To_Line = (char*)PlugSubAlloc(g, NULL, Lrecl + 1); + /* Lrecl does not include line ending */ + /*********************************************************************/ + size_t linelen = Lrecl + ((PDOSDEF)To_Def)->Ending + 1; + + To_Line = (char*)PlugSubAlloc(g, NULL, linelen); if (Mode == MODE_INSERT) { // Spaces between fields must be filled with blanks memset(To_Line, ' ', Lrecl); To_Line[Lrecl] = '\0'; } else - memset(To_Line, 0, Lrecl + 1); + memset(To_Line, 0, linelen); if (trace) htrc("OpenDos: R%hd mode=%d To_Line=%p\n", Tdb_No, Mode, To_Line); @@ -2304,8 +2309,8 @@ void TDBDOS::CloseDB(PGLOBAL g) /***********************************************************************/ /* DOSCOL public constructor (also called by MAPCOL). */ /***********************************************************************/ -DOSCOL::DOSCOL(PGLOBAL g, PCOLDEF cdp, PTDB tp, PCOL cp, int i, PSZ am) - : COLBLK(cdp, tp, i) +DOSCOL::DOSCOL(PGLOBAL g, PCOLDEF cdp, PTDB tp, PCOL cp, int i, PCSZ am) + : COLBLK(cdp, tp, i) { char *p; int prec = Format.Prec; @@ -2335,7 +2340,7 @@ DOSCOL::DOSCOL(PGLOBAL g, PCOLDEF cdp, PTDB tp, PCOL cp, int i, PSZ am) Dval = NULL; Buf = NULL; - if (txfp->Blocked && Opt && (cdp->GetMin() || cdp->GetDval())) { + if (txfp && txfp->Blocked && Opt && (cdp->GetMin() || cdp->GetDval())) { int nblk = txfp->GetBlock(); Clustered = (cdp->GetXdb2()) ? 2 : 1; @@ -2514,8 +2519,8 @@ void DOSCOL::ReadColumn(PGLOBAL g) if (rc == RC_EF) sprintf(g->Message, MSG(INV_DEF_READ), rc); - longjmp(g->jumper[g->jump_level], 11); - } // endif + throw 11; + } // endif p = tdbp->To_Line + Deplac; field = Long; @@ -2570,8 +2575,8 @@ void DOSCOL::ReadColumn(PGLOBAL g) break; default: sprintf(g->Message, MSG(BAD_RECFM), tdbp->Ftype); - longjmp(g->jumper[g->jump_level], 34); - } // endswitch Ftype + throw 34; + } // endswitch Ftype // Set null when applicable if (Nullable) @@ -2679,8 +2684,8 @@ void DOSCOL::WriteColumn(PGLOBAL g) break; default: sprintf(g->Message, "Invalid field format for column %s", Name); - longjmp(g->jumper[g->jump_level], 31); - } // endswitch BufType + throw 31; + } // endswitch BufType p2 = Buf; } else // Standard CONNECT format @@ -2691,8 +2696,8 @@ void DOSCOL::WriteColumn(PGLOBAL g) if ((len = strlen(p2)) > field) { sprintf(g->Message, MSG(VALUE_TOO_LONG), p2, Name, field); - longjmp(g->jumper[g->jump_level], 31); - } else if (Dsp) + throw 31; + } else if (Dsp) for (i = 0; i < len; i++) if (p2[i] == '.') p2[i] = Dsp; @@ -2866,9 +2871,9 @@ bool DOSCOL::AddDistinctValue(PGLOBAL g) /***********************************************************************/ /* Make file output of a Dos column descriptor block. */ /***********************************************************************/ -void DOSCOL::Print(PGLOBAL g, FILE *f, uint n) +void DOSCOL::Printf(PGLOBAL g, FILE *f, uint n) { - COLBLK::Print(g, f, n); + COLBLK::Printf(g, f, n); } // end of Print /* ------------------------------------------------------------------- */ |