diff options
Diffstat (limited to 'storage/connect/plgdbutl.cpp')
| -rw-r--r-- | storage/connect/plgdbutl.cpp | 143 |
1 files changed, 67 insertions, 76 deletions
diff --git a/storage/connect/plgdbutl.cpp b/storage/connect/plgdbutl.cpp index f669d644637..e296553d8e2 100644 --- a/storage/connect/plgdbutl.cpp +++ b/storage/connect/plgdbutl.cpp @@ -1,11 +1,11 @@ /********** PlgDBUtl Fpe C++ Program Source Code File (.CPP) ***********/ /* PROGRAM NAME: PLGDBUTL */ /* ------------- */ -/* Version 4.0 */ +/* Version 4.1 */ /* */ /* COPYRIGHT: */ /* ---------- */ -/* (C) Copyright to the author Olivier BERTRAND 1998-2017 */ +/* (C) Copyright to the author Olivier BERTRAND 1998-2018 */ /* */ /* WHAT THIS PROGRAM DOES: */ /* ----------------------- */ @@ -215,35 +215,13 @@ int global_open(GLOBAL *g, int msgid, const char *path, int flags, int mode) } DllExport void SetTrc(void) - { +{ // If tracing is on, debug must be initialized. debug = pfile; - } // end of SetTrc - -#if 0 -/**************************************************************************/ -/* Tracing output function. */ -/**************************************************************************/ -void ptrc(char const *fmt, ...) - { - va_list ap; - va_start (ap, fmt); - -// if (trace == 0 || (trace == 1 && !pfile) || !fmt) -// printf("In %s wrong trace=%d pfile=%p fmt=%p\n", -// __FILE__, trace, pfile, fmt); - - if (trace == 1) - vfprintf(pfile, fmt, ap); - else - vprintf(fmt, ap); - - va_end (ap); - } // end of ptrc -#endif // 0 +} // end of SetTrc /**************************************************************************/ -/* Allocate the result structure that will contain result data. */ +/* SubAllocate the result structure that will contain result data. */ /**************************************************************************/ PQRYRES PlgAllocResult(PGLOBAL g, int ncol, int maxres, int ids, int *buftyp, XFLD *fldtyp, @@ -307,7 +285,7 @@ PQRYRES PlgAllocResult(PGLOBAL g, int ncol, int maxres, int ids, else crp->Kdata = NULL; - if (trace) + if (trace(1)) htrc("Column(%d) %s type=%d len=%d value=%p\n", crp->Ncol, crp->Name, crp->Type, crp->Length, crp->Kdata); @@ -475,7 +453,7 @@ bool PlugEvalLike(PGLOBAL g, LPCSTR strg, LPCSTR pat, bool ci) char *tp, *sp; bool b; - if (trace) + if (trace(2)) htrc("LIKE: strg='%s' pattern='%s'\n", strg, pat); if (ci) { /* Case insensitive test */ @@ -541,10 +519,10 @@ bool EvalLikePattern(LPCSTR sp, LPCSTR tp) { LPSTR p; char c; - int n; + ssize_t n; bool b, t = false; - if (trace) + if (trace(2)) htrc("Eval Like: sp=%s tp=%s\n", (sp) ? sp : "Null", (tp) ? tp : "Null"); @@ -582,7 +560,7 @@ bool EvalLikePattern(LPCSTR sp, LPCSTR tp) else n = strlen(tp); /* Get length of pattern head */ - if (trace) + if (trace(2)) htrc(" testing: t=%d sp=%s tp=%s p=%p\n", t, sp, tp, p); if (n > (signed)strlen(sp)) /* If head is longer than strg */ @@ -628,7 +606,7 @@ bool EvalLikePattern(LPCSTR sp, LPCSTR tp) b = !strcmp(sp, tp); } /* endif p */ - if (trace) + if (trace(2)) htrc(" done: b=%d n=%d sp=%s tp=%s\n", b, n, (sp) ? sp : "Null", tp); @@ -668,7 +646,7 @@ char *MakeEscape(PGLOBAL g, char* str, char q) /***********************************************************************/ void PlugConvertConstant(PGLOBAL g, void* & value, short& type) { - if (trace) + if (trace(1)) htrc("PlugConvertConstant: value=%p type=%hd\n", value, type); if (type != TYPE_XOBJECT) { @@ -688,7 +666,7 @@ PDTP MakeDateFormat(PGLOBAL g, PCSZ dfmt, bool in, bool out, int flag) int rc; PDTP pdp = (PDTP)PlugSubAlloc(g, NULL, sizeof(DATPAR)); - if (trace) + if (trace(1)) htrc("MakeDateFormat: dfmt=%s\n", dfmt); memset(pdp, 0, sizeof(DATPAR)); @@ -711,7 +689,7 @@ PDTP MakeDateFormat(PGLOBAL g, PCSZ dfmt, bool in, bool out, int flag) rc = fmdflex(pdp); pthread_mutex_unlock(&parmut); - if (trace) + if (trace(1)) htrc("Done: in=%s out=%s rc=%d\n", SVP(pdp->InFmt), SVP(pdp->OutFmt), rc); return pdp; @@ -733,7 +711,7 @@ int ExtractDate(char *dts, PDTP pdp, int defy, int val[6]) else // assume standard MySQL date format fmt = "%4d-%2d-%2d %2d:%2d:%2d"; - if (trace > 1) + if (trace(2)) htrc("ExtractDate: dts=%s fmt=%s defy=%d\n", dts, fmt, defy); // Set default values for time only use @@ -816,7 +794,7 @@ int ExtractDate(char *dts, PDTP pdp, int defy, int val[6]) } // endfor i - if (trace > 1) + if (trace(2)) htrc("numval=%d val=(%d,%d,%d,%d,%d,%d)\n", numval, val[0], val[1], val[2], val[3], val[4], val[5]); @@ -833,18 +811,18 @@ FILE *PlugOpenFile(PGLOBAL g, LPCSTR fname, LPCSTR ftype) PFBLOCK fp; PDBUSER dbuserp = (PDBUSER)g->Activityp->Aptr; - if (trace) { + if (trace(1)) { htrc("PlugOpenFile: fname=%s ftype=%s\n", fname, ftype); htrc("dbuserp=%p\n", dbuserp); } // endif trace if ((fop= global_fopen(g, MSGID_OPEN_MODE_STRERROR, fname, ftype)) != NULL) { - if (trace) + if (trace(1)) htrc(" fop=%p\n", fop); fp = (PFBLOCK)PlugSubAlloc(g, NULL, sizeof(FBLOCK)); - if (trace) + if (trace(1)) htrc(" fp=%p\n", fp); // fname may be in volatile memory such as stack @@ -857,7 +835,7 @@ FILE *PlugOpenFile(PGLOBAL g, LPCSTR fname, LPCSTR ftype) dbuserp->Openlist = fp; } /* endif fop */ - if (trace) + if (trace(1)) htrc(" returning fop=%p\n", fop); return (fop); @@ -888,7 +866,7 @@ int PlugCloseFile(PGLOBAL g, PFBLOCK fp, bool all) { int rc = 0; - if (trace) + if (trace(1)) htrc("PlugCloseFile: fp=%p count=%hd type=%hd\n", fp, ((fp) ? fp->Count : 0), ((fp) ? fp->Type : 0)); @@ -1050,7 +1028,7 @@ int GetIniSize(char *section, char *key, char *def, char *ini) n *= 1024; } // endswitch c - if (trace) + if (trace(1)) htrc("GetIniSize: key=%s buff=%s i=%d n=%d\n", key, buff, i, n); return n; @@ -1086,7 +1064,7 @@ DllExport PSZ GetIniString(PGLOBAL g, void *mp, LPCSTR sec, LPCSTR key, p = (PSZ)PlugSubAlloc(g, mp, n + 1); - if (trace) + if (trace(1)) htrc("GetIniString: sec=%s key=%s buf=%s\n", sec, key, buf); strcpy(p, buf); @@ -1237,7 +1215,7 @@ char *GetExceptionDesc(PGLOBAL g, unsigned int e) /* so it can be freed at the normal or error query completion. */ /***********************************************************************/ void *PlgDBalloc(PGLOBAL g, void *area, MBLOCK& mp) - { +{ //bool b; size_t maxsub, minsub; void *arp = (area) ? area : g->Sarea; @@ -1253,7 +1231,7 @@ void *PlgDBalloc(PGLOBAL g, void *area, MBLOCK& mp) // done to check whether the block is already there. // b = mp.Sub; mp.Sub = false; // Restrict suballocation to one quarter - } // endif Memp + } // endif Memp // Suballoc when possible if mp.Sub is initially true, but leaving // a minimum amount of storage for future operations such as the @@ -1263,35 +1241,40 @@ void *PlgDBalloc(PGLOBAL g, void *area, MBLOCK& mp) maxsub = (pph->FreeBlk < minsub) ? 0 : pph->FreeBlk - minsub; mp.Sub = mp.Size <= ((mp.Sub) ? maxsub : (maxsub >> 2)); - if (trace > 1) - htrc("PlgDBalloc: in %p size=%d used=%d free=%d sub=%d\n", - arp, mp.Size, pph->To_Free, pph->FreeBlk, mp.Sub); + if (trace(2)) + htrc("PlgDBalloc: in %p size=%d used=%d free=%d sub=%d\n", + arp, mp.Size, pph->To_Free, pph->FreeBlk, mp.Sub); - if (!mp.Sub) { + if (!mp.Sub) { // For allocations greater than one fourth of remaining storage // in the area, do allocate from virtual storage. + const char*v = "malloc"; #if defined(__WIN__) - if (mp.Size >= BIGMEM) - mp.Memp = VirtualAlloc(NULL, mp.Size, MEM_COMMIT | MEM_RESERVE, PAGE_READWRITE); - else + if (mp.Size >= BIGMEM) { + v = "VirtualAlloc"; + mp.Memp = VirtualAlloc(NULL, mp.Size, MEM_COMMIT | MEM_RESERVE, PAGE_READWRITE); + } else #endif mp.Memp = malloc(mp.Size); - if (!mp.Inlist && mp.Memp) { + if (trace(8)) + htrc("PlgDBalloc: %s(%d) at %p\n", v, mp.Size, mp.Memp); + + if (!mp.Inlist && mp.Memp) { // New allocated block, put it in the memory block chain. PDBUSER dbuserp = (PDBUSER)g->Activityp->Aptr; mp.Next = dbuserp->Memlist; dbuserp->Memlist = ∓ mp.Inlist = true; - } // endif mp + } // endif mp } else // Suballocating is Ok. mp.Memp = PlugSubAlloc(g, area, mp.Size); return mp.Memp; - } // end of PlgDBalloc +} // end of PlgDBalloc /***********************************************************************/ /* PlgDBrealloc: reallocates memory conditionally. */ @@ -1306,7 +1289,7 @@ void *PlgDBrealloc(PGLOBAL g, void *area, MBLOCK& mp, size_t newsize) // assert (mp.Memp != NULL); #endif - if (trace > 1) + if (trace(2)) htrc("PlgDBrealloc: %p size=%d sub=%d\n", mp.Memp, mp.Size, mp.Sub); if (newsize == mp.Size) @@ -1326,10 +1309,14 @@ void *PlgDBrealloc(PGLOBAL g, void *area, MBLOCK& mp, size_t newsize) mp.Memp = PlugSubAlloc(g, area, newsize); memcpy(mp.Memp, m.Memp, MY_MIN(m.Size, newsize)); PlgDBfree(m); // Free the old block - } else if (!(mp.Memp = realloc(mp.Memp, newsize))) { - mp = m; // Possible only if newsize > Size - return NULL; // Failed - } // endif's + } else { + if (!(mp.Memp = realloc(mp.Memp, newsize))) { + mp = m; // Possible only if newsize > Size + return NULL; // Failed + } else if (trace(8)) + htrc("PlgDBrealloc: realloc(%ld) at %p\n", newsize, mp.Memp); + + } // endif's mp.Size = newsize; } else if (!mp.Sub || newsize > mp.Size) { @@ -1352,7 +1339,7 @@ void *PlgDBrealloc(PGLOBAL g, void *area, MBLOCK& mp, size_t newsize) } // endif's - if (trace) + if (trace(8)) htrc(" newsize=%d newp=%p sub=%d\n", mp.Size, mp.Memp, mp.Sub); return mp.Memp; @@ -1363,16 +1350,20 @@ void *PlgDBrealloc(PGLOBAL g, void *area, MBLOCK& mp, size_t newsize) /***********************************************************************/ void PlgDBfree(MBLOCK& mp) { - if (trace > 1) - htrc("PlgDBfree: %p sub=%d size=%d\n", mp.Memp, mp.Sub, mp.Size); - - if (!mp.Sub && mp.Memp) + if (!mp.Sub && mp.Memp) { + const char*v = "free"; #if defined(__WIN__) - if (mp.Size >= BIGMEM) - VirtualFree(mp.Memp, 0, MEM_RELEASE); - else + if (mp.Size >= BIGMEM) { + v = "VirtualFree"; + VirtualFree(mp.Memp, 0, MEM_RELEASE); + } else #endif - free(mp.Memp); + free(mp.Memp); + + if (trace(8)) + htrc("PlgDBfree: %s(%p) size=%d\n", v, mp.Memp, mp.Size); + + } // endif mp // Do not reset Next to avoid cutting the Mblock chain mp.Memp = NULL; @@ -1384,7 +1375,7 @@ void PlgDBfree(MBLOCK& mp) /* Program for sub-allocating one item in a storage area. */ /* Note: This function is equivalent to PlugSubAlloc except that in */ /* case of insufficient memory, it returns NULL instead of doing a */ -/* long jump. The caller must test the return value for error. */ +/* throw. The caller must test the return value for error. */ /***********************************************************************/ void *PlgDBSubAlloc(PGLOBAL g, void *memp, size_t size) { @@ -1400,7 +1391,7 @@ void *PlgDBSubAlloc(PGLOBAL g, void *memp, size_t size) size = ((size + 7) / 8) * 8; /* Round up size to multiple of 8 */ pph = (PPOOLHEADER)memp; - if (trace > 1) + if (trace(16)) htrc("PlgDBSubAlloc: memp=%p size=%d used=%d free=%d\n", memp, size, pph->To_Free, pph->FreeBlk); @@ -1409,7 +1400,7 @@ void *PlgDBSubAlloc(PGLOBAL g, void *memp, size_t size) "Not enough memory in Work area for request of %d (used=%d free=%d)", (int) size, pph->To_Free, pph->FreeBlk); - if (trace) + if (trace(1)) htrc("%s\n", g->Message); return NULL; @@ -1422,7 +1413,7 @@ void *PlgDBSubAlloc(PGLOBAL g, void *memp, size_t size) pph->To_Free += size; // New offset of pool free block pph->FreeBlk -= size; // New size of pool free block - if (trace > 1) + if (trace(16)) htrc("Done memp=%p used=%d free=%d\n", memp, pph->To_Free, pph->FreeBlk); @@ -1453,7 +1444,7 @@ void PlugPutOut(PGLOBAL g, FILE *f, short t, void *v, uint n) { char m[64]; - if (trace) + if (trace(1)) htrc("PUTOUT: f=%p t=%d v=%p n=%d\n", f, t, v, n); if (!v) |