diff options
author | Olivier Bertrand <bertrandop@gmail.com> | 2014-03-20 12:05:47 +0100 |
---|---|---|
committer | Olivier Bertrand <bertrandop@gmail.com> | 2014-03-20 12:05:47 +0100 |
commit | 7b400a088d049661b9a4dded385ac78923bb0017 (patch) | |
tree | bb3ee7bac4454f66ec6f38cf6683f24bc6c065d4 /storage/connect/plugutil.c | |
parent | d67ad26b33ea16a3b59215ef967bdd9b89345e04 (diff) | |
parent | e5729127b8a50a0e553fd8b87b2683e4a684dfcc (diff) | |
download | mariadb-git-7b400a088d049661b9a4dded385ac78923bb0017.tar.gz |
- MRR + Block Indexing
modified:
storage/connect/array.h
storage/connect/catalog.h
storage/connect/colblk.cpp
storage/connect/colblk.h
storage/connect/connect.cc
storage/connect/connect.h
storage/connect/domdoc.h
storage/connect/filamap.cpp
storage/connect/filamap.h
storage/connect/filamdbf.h
storage/connect/filamfix.cpp
storage/connect/filamfix.h
storage/connect/filamtxt.cpp
storage/connect/filamtxt.h
storage/connect/filamvct.cpp
storage/connect/filamvct.h
storage/connect/filamzip.cpp
storage/connect/filamzip.h
storage/connect/filter.cpp
storage/connect/filter.h
storage/connect/global.h
storage/connect/ha_connect.cc
storage/connect/ha_connect.h
storage/connect/myconn.h
storage/connect/plgcnx.h
storage/connect/plgdbsem.h
storage/connect/plgdbutl.cpp
storage/connect/plugutil.c
storage/connect/preparse.h
storage/connect/reldef.cpp
storage/connect/reldef.h
storage/connect/tabcol.h
storage/connect/tabdos.cpp
storage/connect/tabdos.h
storage/connect/tabfix.cpp
storage/connect/tabfmt.cpp
storage/connect/tabfmt.h
storage/connect/table.cpp
storage/connect/tabmysql.cpp
storage/connect/tabmysql.h
storage/connect/taboccur.h
storage/connect/tabodbc.h
storage/connect/tabsys.h
storage/connect/tabtbl.h
storage/connect/tabutil.h
storage/connect/tabvct.cpp
storage/connect/tabvct.h
storage/connect/tabwmi.h
storage/connect/tabxml.h
storage/connect/user_connect.cc
storage/connect/user_connect.h
storage/connect/valblk.cpp
storage/connect/valblk.h
storage/connect/value.cpp
storage/connect/value.h
storage/connect/xindex.cpp
storage/connect/xindex.h
storage/connect/xobject.cpp
storage/connect/xobject.h
storage/connect/xtable.h
Diffstat (limited to 'storage/connect/plugutil.c')
-rw-r--r-- | storage/connect/plugutil.c | 1102 |
1 files changed, 550 insertions, 552 deletions
diff --git a/storage/connect/plugutil.c b/storage/connect/plugutil.c index e6d452aaf97..6c2a1ed403f 100644 --- a/storage/connect/plugutil.c +++ b/storage/connect/plugutil.c @@ -1,552 +1,550 @@ -/************** PlugUtil C Program Source Code File (.C) ***************/ -/* */ -/* PROGRAM NAME: PLUGUTIL */ -/* ------------- */ -/* Version 2.7 */ -/* */ -/* COPYRIGHT: */ -/* ---------- */ -/* (C) Copyright to the author Olivier BERTRAND 1993-2012 */ -/* */ -/* WHAT THIS PROGRAM DOES: */ -/* ----------------------- */ -/* This program are initialization and utility Plug routines. */ -/* */ -/* WHAT YOU NEED TO COMPILE THIS PROGRAM: */ -/* -------------------------------------- */ -/* */ -/* REQUIRED FILES: */ -/* --------------- */ -/* See Readme.C for a list and description of required SYSTEM files. */ -/* */ -/* PLUG.C - Source code */ -/* GLOBAL.H - Global declaration file */ -/* OPTION.H - Option declaration file */ -/* */ -/* REQUIRED LIBRARIES: */ -/* ------------------- */ -/* */ -/* OS2.LIB - OS2 libray */ -/* LLIBCE.LIB - Protect mode/standard combined large model C */ -/* library */ -/* */ -/* REQUIRED PROGRAMS: */ -/* ------------------ */ -/* */ -/* IBM C Compiler */ -/* IBM Linker */ -/* */ -/***********************************************************************/ -//efine DEBTRACE 3 -//efine DEBTRACE2 - -/***********************************************************************/ -/* */ -/* Include relevant MariaDB header file. */ -/* */ -/***********************************************************************/ -#include "my_global.h" -#if defined(WIN32) -//#include <windows.h> -#else -#if defined(UNIX) || defined(UNIV_LINUX) -#include <errno.h> -#include <unistd.h> -//#define __stdcall -#else -#include <dir.h> -#endif -#include <stdarg.h> -#endif - -#if defined(WIN) -#include <alloc.h> -#endif -#include <errno.h> /* definitions of ERANGE ENOMEM */ -#if !defined(UNIX) && !defined(UNIV_LINUX) -#include <direct.h> /* Directory management library */ -#endif - -/***********************************************************************/ -/* */ -/* Include application header files */ -/* */ -/* global.h is header containing all global declarations. */ -/* */ -/***********************************************************************/ -#define STORAGE /* Initialize global variables */ - -#include "osutil.h" -#include "global.h" - -#if defined(WIN32) -extern HINSTANCE s_hModule; /* Saved module handle */ -#endif // WIN32 - -extern char plgini[]; -extern int trace; - -#if defined(XMSG) -extern char msglang[]; -#endif // XMSG - -/***********************************************************************/ -/* Local Definitions and static variables */ -/***********************************************************************/ -typedef struct { - ushort Segsize; - ushort Size; - } AREASIZE; - -ACTIVITY defActivity = { /* Describes activity and language */ - NULL, /* Points to user work area(s) */ - "Unknown"}; /* Application name */ - -#if defined(XMSG) || defined(NEWMSG) - static char stmsg[200]; -#endif // XMSG || NEWMSG - -#if defined(UNIX) || defined(UNIV_LINUX) -#include "rcmsg.h" -#endif // UNIX - -/**************************************************************************/ -/* Tracing output function. */ -/**************************************************************************/ -void htrc(char const *fmt, ...) - { - va_list ap; - va_start (ap, fmt); - -//if (trace == 0 || (trace == 1 && !debug) || !fmt) { -// printf("In %s wrong trace=%d debug=%p fmt=%p\n", -// __FILE__, trace, debug, fmt); -// trace = 0; -// } // endif trace - -//if (trace == 1) -// vfprintf(debug, fmt, ap); -//else - vfprintf(stderr, fmt, ap); - - va_end (ap); - } // end of htrc - -/***********************************************************************/ -/* Plug initialization routine. */ -/* Language points on initial language name and eventual path. */ -/* Return value is the pointer to the Global structure. */ -/***********************************************************************/ -PGLOBAL PlugInit(LPCSTR Language, uint worksize) - { - PGLOBAL g; - - if (trace > 1) - htrc("PlugInit: Language='%s'\n", - ((!Language) ? "Null" : (char*)Language)); - - if (!(g = malloc(sizeof(GLOBAL)))) { - fprintf(stderr, MSG(GLOBAL_ERROR), (int)sizeof(GLOBAL)); - return NULL; - } else { - g->Sarea_Size = worksize; - g->Trace = 0; - g->Createas = 0; - g->Alchecked = 0; -#if defined(MRRBKA_SUPPORT) - g->Mrr = 0; -#endif // MRRBKA_SUPPORT - g->Activityp = g->ActivityStart = NULL; - g->Xchk = NULL; - strcpy(g->Message, ""); - - /*******************************************************************/ - /* Allocate the main work segment. */ - /*******************************************************************/ - if (!(g->Sarea = PlugAllocMem(g, worksize))) { - char errmsg[256]; - sprintf(errmsg, MSG(WORK_AREA), g->Message); - strcpy(g->Message, errmsg); - } /* endif Sarea */ - - } /* endif g */ - - g->jump_level = -1; /* New setting to allow recursive call of Plug */ - return(g); - } /* end of PlugInit */ - -/***********************************************************************/ -/* PlugExit: Terminate Plug operations. */ -/***********************************************************************/ -int PlugExit(PGLOBAL g) - { - int rc = 0; - - if (!g) - return rc; - - if (g->Sarea) - free(g->Sarea); - - free(g); - return rc; - } /* end of PlugExit */ - -/***********************************************************************/ -/* Remove the file type from a file name. */ -/* Note: this routine is not really implemented for Unix. */ -/***********************************************************************/ -LPSTR PlugRemoveType(LPSTR pBuff, LPCSTR FileName) - { -#if !defined(UNIX) && !defined(UNIV_LINUX) - char drive[_MAX_DRIVE]; -#else - char *drive = NULL; -#endif - char direc[_MAX_DIR]; - char fname[_MAX_FNAME]; - char ftype[_MAX_EXT]; - - _splitpath(FileName, drive, direc, fname, ftype); - - if (trace > 1) { - htrc("after _splitpath: FileName=%s\n", FileName); - htrc("drive=%s dir=%s fname=%s ext=%s\n", - SVP(drive), direc, fname, ftype); - } // endif trace - - _makepath(pBuff, drive, direc, fname, ""); - - if (trace > 1) - htrc("buff='%s'\n", pBuff); - - return pBuff; - } // end of PlugRemoveType - - -BOOL PlugIsAbsolutePath(LPCSTR path) -{ -#if defined(WIN32) - return ((path[0] >= 'a' && path[0] <= 'z') || - (path[0] >= 'A' && path[0] <= 'Z')) && path[1] == ':'; -#else - return path[0] == '/'; -#endif -} - - -/***********************************************************************/ -/* Set the full path of a file relatively to a given path. */ -/* Note: this routine is not really implemented for Unix. */ -/***********************************************************************/ -LPCSTR PlugSetPath(LPSTR pBuff, LPCSTR prefix, LPCSTR FileName, LPCSTR defpath) - { - char newname[_MAX_PATH]; - char direc[_MAX_DIR], defdir[_MAX_DIR]; - char fname[_MAX_FNAME]; - char ftype[_MAX_EXT]; -#if !defined(UNIX) && !defined(UNIV_LINUX) - char drive[_MAX_DRIVE], defdrv[_MAX_DRIVE]; -#else - char *drive = NULL, *defdrv = NULL; -#endif - - if (!strncmp(FileName, "//", 2) || !strncmp(FileName, "\\\\", 2)) { - strcpy(pBuff, FileName); // Remote file - return pBuff; - } // endif - - if (PlugIsAbsolutePath(FileName)) - { - strcpy(pBuff, FileName); // FileName includes absolute path - return pBuff; - } // endif - - if (strcmp(prefix, ".") && !PlugIsAbsolutePath(defpath)) - { - char tmp[_MAX_PATH]; - int len= snprintf(tmp, sizeof(tmp) - 1, "%s%s%s", - prefix, defpath, FileName); - memcpy(pBuff, tmp, (size_t) len); - pBuff[len]= '\0'; - return pBuff; - } - - _splitpath(FileName, drive, direc, fname, ftype); - _splitpath(defpath, defdrv, defdir, NULL, NULL); - - if (trace > 1) { - htrc("after _splitpath: FileName=%s\n", FileName); -#if defined(UNIX) || defined(UNIV_LINUX) - htrc("dir=%s fname=%s ext=%s\n", direc, fname, ftype); -#else - htrc("drive=%s dir=%s fname=%s ext=%s\n", drive, direc, fname, ftype); - htrc("defdrv=%s defdir=%s\n", defdrv, defdir); -#endif - } // endif trace - - if (drive && !*drive) - strcpy(drive, defdrv); - - switch (*direc) { - case '\0': - strcpy(direc, defdir); - break; - case '\\': - case '/': - break; - default: - // This supposes that defdir ends with a SLASH - strcpy(direc, strcat(defdir, direc)); - } // endswitch - - _makepath(newname, drive, direc, fname, ftype); - - if (trace > 1) - htrc("newname='%s'\n", newname); - - if (_fullpath(pBuff, newname, _MAX_PATH)) { - if (trace > 1) - htrc("pbuff='%s'\n", pBuff); - - return pBuff; - } else - return FileName; // Error, return unchanged name - - } // end of PlugSetPath - -#if defined(XMSG) -/***********************************************************************/ -/* PlugGetMessage: get a message from the message file. */ -/***********************************************************************/ -char *PlugReadMessage(PGLOBAL g, int mid, char *m) - { - char msgfile[_MAX_PATH], msgid[32], buff[256]; - char *msg; - FILE *mfile = NULL; - - GetPrivateProfileString("Message", msglang, "Message\\english.msg", - msgfile, _MAX_PATH, plgini); - - if (!(mfile = fopen(msgfile, "rt"))) { - sprintf(stmsg, "Fail to open message file %s for %s", msgfile, msglang); - goto err; - } // endif mfile - - for (;;) - if (!fgets(buff, 256, mfile)) { - sprintf(stmsg, "Cannot get message %d %s", mid, SVP(m)); - goto fin; - } else - if (atoi(buff) == mid) - break; - - if (sscanf(buff, " %*d %s \"%[^\"]", msgid, stmsg) < 2) { - // Old message file - if (!sscanf(buff, " %*d \"%[^\"]", stmsg)) { - sprintf(stmsg, "Bad message file for %d %s", mid, SVP(m)); - goto fin; - } else - m = NULL; - - } // endif sscanf - - if (m && strcmp(m, msgid)) { - // Message file is out of date - strcpy(stmsg, m); - goto fin; - } // endif m - - fin: - fclose(mfile); - - err: - if (g) { - // Called by STEP - msg = (char *)PlugSubAlloc(g, NULL, strlen(stmsg) + 1); - strcpy(msg, stmsg); - } else // Called by MSG or PlgGetErrorMsg - msg = stmsg; - - return msg; - } // end of PlugReadMessage - -#elif defined(NEWMSG) -/***********************************************************************/ -/* PlugGetMessage: get a message from the resource string table. */ -/***********************************************************************/ -char *PlugGetMessage(PGLOBAL g, int mid) - { - char *msg; - -#if !defined(UNIX) && !defined(UNIV_LINUX) - int n = LoadString(s_hModule, (uint)mid, (LPTSTR)stmsg, 200); - - if (n == 0) { - DWORD rc = GetLastError(); - msg = (char*)PlugSubAlloc(g, NULL, 512); // Extend buf allocation - n = sprintf(msg, "Message %d, rc=%d: ", mid, rc); - FormatMessage(FORMAT_MESSAGE_FROM_SYSTEM | - FORMAT_MESSAGE_IGNORE_INSERTS, NULL, rc, 0, - (LPTSTR)(msg + n), 512 - n, NULL); - return msg; - } // endif n - -#else // UNIX - if (!GetRcString(mid, stmsg, 200)) - sprintf(stmsg, "Message %d not found", mid); -#endif // UNIX - - if (g) { - // Called by STEP - msg = (char *)PlugSubAlloc(g, NULL, strlen(stmsg) + 1); - strcpy(msg, stmsg); - } else // Called by MSG or PlgGetErrorMsg - msg = stmsg; - - return msg; - } // end of PlugGetMessage -#endif // NEWMSG - -#if defined(WIN32) -/***********************************************************************/ -/* Return the line length of the console screen buffer. */ -/***********************************************************************/ -short GetLineLength(PGLOBAL g) - { - CONSOLE_SCREEN_BUFFER_INFO coninfo; - HANDLE hcons = GetStdHandle(STD_OUTPUT_HANDLE); - BOOL b = GetConsoleScreenBufferInfo(hcons, &coninfo); - - return (b) ? coninfo.dwSize.X : 0; - } // end of GetLineLength -#endif // WIN32 - -/***********************************************************************/ -/* Program for memory allocation of work and language areas. */ -/***********************************************************************/ -void *PlugAllocMem(PGLOBAL g, uint size) - { - void *areap; /* Pointer to allocated area */ - - /*********************************************************************/ - /* This is the allocation routine for the WIN32/UNIX/AIX version. */ - /*********************************************************************/ - if (!(areap = malloc(size))) - sprintf(g->Message, MSG(MALLOC_ERROR), "malloc"); - - if (trace > 1) { - if (areap) - htrc("Memory of %u allocated at %p\n", size, areap); - else - htrc("PlugAllocMem: %s\n", g->Message); - - } // endif trace - - return (areap); - } /* end of PlugAllocMem */ - -/***********************************************************************/ -/* Program for SubSet initialization of memory pools. */ -/* Here there should be some verification done such as validity of */ -/* the address and size not larger than memory size. */ -/***********************************************************************/ -BOOL PlugSubSet(PGLOBAL g __attribute__((unused)), void *memp, uint size) - { - PPOOLHEADER pph = memp; - - pph->To_Free = (OFFSET)sizeof(POOLHEADER); - pph->FreeBlk = size - pph->To_Free; - - return FALSE; - } /* end of PlugSubSet */ - -/***********************************************************************/ -/* Program for sub-allocating one item in a storage area. */ -/* Note: SubAlloc routines of OS/2 are no more used to increase the */ -/* code portability and avoid problems when a grammar compiled under */ -/* one version of OS/2 is used under another version. */ -/* The simple way things are done here is also based on the fact */ -/* that no freeing of suballocated blocks is permitted in Plug. */ -/***********************************************************************/ -void *PlugSubAlloc(PGLOBAL g, void *memp, size_t size) - { - PPOOLHEADER pph; /* Points on area header. */ - - if (!memp) - /*******************************************************************/ - /* Allocation is to be done in the Sarea. */ - /*******************************************************************/ - memp = g->Sarea; - -//size = ((size + 3) / 4) * 4; /* Round up size to multiple of 4 */ - size = ((size + 7) / 8) * 8; /* Round up size to multiple of 8 */ - pph = (PPOOLHEADER)memp; - -#if defined(DEBUG2) || defined(DEBUG3) - htrc("SubAlloc in %p size=%d used=%d free=%d\n", - memp, size, pph->To_Free, pph->FreeBlk); -#endif - - if ((uint)size > pph->FreeBlk) { /* Not enough memory left in pool */ - char *pname = "Work"; - - sprintf(g->Message, - "Not enough memory in %s area for request of %u (used=%d free=%d)", - pname, (uint) size, pph->To_Free, pph->FreeBlk); - -#if defined(DEBUG2) || defined(DEBUG3) - htrc("%s\n", g->Message); -#endif - - longjmp(g->jumper[g->jump_level], 1); - } /* endif size OS32 code */ - - /*********************************************************************/ - /* Do the suballocation the simplest way. */ - /*********************************************************************/ - memp = MakePtr(memp, pph->To_Free); /* Points to suballocated block */ - pph->To_Free += size; /* New offset of pool free block */ - pph->FreeBlk -= size; /* New size of pool free block */ -#if defined(DEBUG2) || defined(DEBUG3) - htrc("Done memp=%p used=%d free=%d\n", - memp, pph->To_Free, pph->FreeBlk); -#endif - return (memp); - } /* end of PlugSubAlloc */ - -/***********************************************************************/ -/* This routine suballocate a copy of the passed string. */ -/***********************************************************************/ -char *PlugDup(PGLOBAL g, const char *str) - { - char *buf; - size_t len; - - if (str && (len = strlen(str))) { - buf = (char*)PlugSubAlloc(g, NULL, len + 1); - strcpy(buf, str); - } else - buf = NULL; - - return(buf); - } /* end of PlugDup */ - -/***********************************************************************/ -/* This routine makes a pointer from an offset to a memory pointer. */ -/***********************************************************************/ -void *MakePtr(void *memp, OFFSET offset) - { - return ((offset == 0) ? NULL : &((char *)memp)[offset]); - } /* end of MakePtr */ - -/***********************************************************************/ -/* This routine makes an offset from a pointer new format. */ -/***********************************************************************/ -#if 0 -OFFSET MakeOff(void *memp, void *ptr) - { - return ((!ptr) ? 0 : (OFFSET)((char *)ptr - (char *)memp)); - } /* end of MakeOff */ -#endif -/*--------------------- End of PLUGUTIL program -----------------------*/ +/************** PlugUtil C Program Source Code File (.C) ***************/
+/* */
+/* PROGRAM NAME: PLUGUTIL */
+/* ------------- */
+/* Version 2.8 */
+/* */
+/* COPYRIGHT: */
+/* ---------- */
+/* (C) Copyright to the author Olivier BERTRAND 1993-2014 */
+/* */
+/* WHAT THIS PROGRAM DOES: */
+/* ----------------------- */
+/* This program are initialization and utility Plug routines. */
+/* */
+/* WHAT YOU NEED TO COMPILE THIS PROGRAM: */
+/* -------------------------------------- */
+/* */
+/* REQUIRED FILES: */
+/* --------------- */
+/* See Readme.C for a list and description of required SYSTEM files. */
+/* */
+/* PLUG.C - Source code */
+/* GLOBAL.H - Global declaration file */
+/* OPTION.H - Option declaration file */
+/* */
+/* REQUIRED LIBRARIES: */
+/* ------------------- */
+/* */
+/* OS2.LIB - OS2 libray */
+/* LLIBCE.LIB - Protect mode/standard combined large model C */
+/* library */
+/* */
+/* REQUIRED PROGRAMS: */
+/* ------------------ */
+/* */
+/* IBM C Compiler */
+/* IBM Linker */
+/* */
+/***********************************************************************/
+//efine DEBTRACE 3
+//efine DEBTRACE2
+
+/***********************************************************************/
+/* */
+/* Include relevant MariaDB header file. */
+/* */
+/***********************************************************************/
+#include "my_global.h"
+#if defined(WIN32)
+//#include <windows.h>
+#else
+#if defined(UNIX) || defined(UNIV_LINUX)
+#include <errno.h>
+#include <unistd.h>
+//#define __stdcall
+#else
+#include <dir.h>
+#endif
+#include <stdarg.h>
+#endif
+
+#if defined(WIN)
+#include <alloc.h>
+#endif
+#include <errno.h> /* definitions of ERANGE ENOMEM */
+#if !defined(UNIX) && !defined(UNIV_LINUX)
+#include <direct.h> /* Directory management library */
+#endif
+
+/***********************************************************************/
+/* */
+/* Include application header files */
+/* */
+/* global.h is header containing all global declarations. */
+/* */
+/***********************************************************************/
+#define STORAGE /* Initialize global variables */
+
+#include "osutil.h"
+#include "global.h"
+
+#if defined(WIN32)
+extern HINSTANCE s_hModule; /* Saved module handle */
+#endif // WIN32
+
+extern char plgini[];
+extern int trace;
+
+#if defined(XMSG)
+extern char msglang[];
+#endif // XMSG
+
+/***********************************************************************/
+/* Local Definitions and static variables */
+/***********************************************************************/
+typedef struct {
+ ushort Segsize;
+ ushort Size;
+ } AREASIZE;
+
+ACTIVITY defActivity = { /* Describes activity and language */
+ NULL, /* Points to user work area(s) */
+ "Unknown"}; /* Application name */
+
+#if defined(XMSG) || defined(NEWMSG)
+ static char stmsg[200];
+#endif // XMSG || NEWMSG
+
+#if defined(UNIX) || defined(UNIV_LINUX)
+#include "rcmsg.h"
+#endif // UNIX
+
+/**************************************************************************/
+/* Tracing output function. */
+/**************************************************************************/
+void htrc(char const *fmt, ...)
+ {
+ va_list ap;
+ va_start (ap, fmt);
+
+//if (trace == 0 || (trace == 1 && !debug) || !fmt) {
+// printf("In %s wrong trace=%d debug=%p fmt=%p\n",
+// __FILE__, trace, debug, fmt);
+// trace = 0;
+// } // endif trace
+
+//if (trace == 1)
+// vfprintf(debug, fmt, ap);
+//else
+ vfprintf(stderr, fmt, ap);
+
+ va_end (ap);
+ } // end of htrc
+
+/***********************************************************************/
+/* Plug initialization routine. */
+/* Language points on initial language name and eventual path. */
+/* Return value is the pointer to the Global structure. */
+/***********************************************************************/
+PGLOBAL PlugInit(LPCSTR Language, uint worksize)
+ {
+ PGLOBAL g;
+
+ if (trace > 1)
+ htrc("PlugInit: Language='%s'\n",
+ ((!Language) ? "Null" : (char*)Language));
+
+ if (!(g = malloc(sizeof(GLOBAL)))) {
+ fprintf(stderr, MSG(GLOBAL_ERROR), (int)sizeof(GLOBAL));
+ return NULL;
+ } else {
+ g->Sarea_Size = worksize;
+ g->Trace = 0;
+ g->Createas = 0;
+ g->Alchecked = 0;
+ g->Mrr = 0;
+ g->Activityp = g->ActivityStart = NULL;
+ g->Xchk = NULL;
+ strcpy(g->Message, "");
+
+ /*******************************************************************/
+ /* Allocate the main work segment. */
+ /*******************************************************************/
+ if (!(g->Sarea = PlugAllocMem(g, worksize))) {
+ char errmsg[256];
+ sprintf(errmsg, MSG(WORK_AREA), g->Message);
+ strcpy(g->Message, errmsg);
+ } /* endif Sarea */
+
+ } /* endif g */
+
+ g->jump_level = -1; /* New setting to allow recursive call of Plug */
+ return(g);
+ } /* end of PlugInit */
+
+/***********************************************************************/
+/* PlugExit: Terminate Plug operations. */
+/***********************************************************************/
+int PlugExit(PGLOBAL g)
+ {
+ int rc = 0;
+
+ if (!g)
+ return rc;
+
+ if (g->Sarea)
+ free(g->Sarea);
+
+ free(g);
+ return rc;
+ } /* end of PlugExit */
+
+/***********************************************************************/
+/* Remove the file type from a file name. */
+/* Note: this routine is not really implemented for Unix. */
+/***********************************************************************/
+LPSTR PlugRemoveType(LPSTR pBuff, LPCSTR FileName)
+ {
+#if !defined(UNIX) && !defined(UNIV_LINUX)
+ char drive[_MAX_DRIVE];
+#else
+ char *drive = NULL;
+#endif
+ char direc[_MAX_DIR];
+ char fname[_MAX_FNAME];
+ char ftype[_MAX_EXT];
+
+ _splitpath(FileName, drive, direc, fname, ftype);
+
+ if (trace > 1) {
+ htrc("after _splitpath: FileName=%s\n", FileName);
+ htrc("drive=%s dir=%s fname=%s ext=%s\n",
+ SVP(drive), direc, fname, ftype);
+ } // endif trace
+
+ _makepath(pBuff, drive, direc, fname, "");
+
+ if (trace > 1)
+ htrc("buff='%s'\n", pBuff);
+
+ return pBuff;
+ } // end of PlugRemoveType
+
+
+BOOL PlugIsAbsolutePath(LPCSTR path)
+{
+#if defined(WIN32)
+ return ((path[0] >= 'a' && path[0] <= 'z') ||
+ (path[0] >= 'A' && path[0] <= 'Z')) && path[1] == ':';
+#else
+ return path[0] == '/';
+#endif
+}
+
+
+/***********************************************************************/
+/* Set the full path of a file relatively to a given path. */
+/* Note: this routine is not really implemented for Unix. */
+/***********************************************************************/
+LPCSTR PlugSetPath(LPSTR pBuff, LPCSTR prefix, LPCSTR FileName, LPCSTR defpath)
+ {
+ char newname[_MAX_PATH];
+ char direc[_MAX_DIR], defdir[_MAX_DIR];
+ char fname[_MAX_FNAME];
+ char ftype[_MAX_EXT];
+#if !defined(UNIX) && !defined(UNIV_LINUX)
+ char drive[_MAX_DRIVE], defdrv[_MAX_DRIVE];
+#else
+ char *drive = NULL, *defdrv = NULL;
+#endif
+
+ if (!strncmp(FileName, "//", 2) || !strncmp(FileName, "\\\\", 2)) {
+ strcpy(pBuff, FileName); // Remote file
+ return pBuff;
+ } // endif
+
+ if (PlugIsAbsolutePath(FileName))
+ {
+ strcpy(pBuff, FileName); // FileName includes absolute path
+ return pBuff;
+ } // endif
+
+ if (strcmp(prefix, ".") && !PlugIsAbsolutePath(defpath))
+ {
+ char tmp[_MAX_PATH];
+ int len= snprintf(tmp, sizeof(tmp) - 1, "%s%s%s",
+ prefix, defpath, FileName);
+ memcpy(pBuff, tmp, (size_t) len);
+ pBuff[len]= '\0';
+ return pBuff;
+ }
+
+ _splitpath(FileName, drive, direc, fname, ftype);
+ _splitpath(defpath, defdrv, defdir, NULL, NULL);
+
+ if (trace > 1) {
+ htrc("after _splitpath: FileName=%s\n", FileName);
+#if defined(UNIX) || defined(UNIV_LINUX)
+ htrc("dir=%s fname=%s ext=%s\n", direc, fname, ftype);
+#else
+ htrc("drive=%s dir=%s fname=%s ext=%s\n", drive, direc, fname, ftype);
+ htrc("defdrv=%s defdir=%s\n", defdrv, defdir);
+#endif
+ } // endif trace
+
+ if (drive && !*drive)
+ strcpy(drive, defdrv);
+
+ switch (*direc) {
+ case '\0':
+ strcpy(direc, defdir);
+ break;
+ case '\\':
+ case '/':
+ break;
+ default:
+ // This supposes that defdir ends with a SLASH
+ strcpy(direc, strcat(defdir, direc));
+ } // endswitch
+
+ _makepath(newname, drive, direc, fname, ftype);
+
+ if (trace > 1)
+ htrc("newname='%s'\n", newname);
+
+ if (_fullpath(pBuff, newname, _MAX_PATH)) {
+ if (trace > 1)
+ htrc("pbuff='%s'\n", pBuff);
+
+ return pBuff;
+ } else
+ return FileName; // Error, return unchanged name
+
+ } // end of PlugSetPath
+
+#if defined(XMSG)
+/***********************************************************************/
+/* PlugGetMessage: get a message from the message file. */
+/***********************************************************************/
+char *PlugReadMessage(PGLOBAL g, int mid, char *m)
+ {
+ char msgfile[_MAX_PATH], msgid[32], buff[256];
+ char *msg;
+ FILE *mfile = NULL;
+
+ GetPrivateProfileString("Message", msglang, "Message\\english.msg",
+ msgfile, _MAX_PATH, plgini);
+
+ if (!(mfile = fopen(msgfile, "rt"))) {
+ sprintf(stmsg, "Fail to open message file %s for %s", msgfile, msglang);
+ goto err;
+ } // endif mfile
+
+ for (;;)
+ if (!fgets(buff, 256, mfile)) {
+ sprintf(stmsg, "Cannot get message %d %s", mid, SVP(m));
+ goto fin;
+ } else
+ if (atoi(buff) == mid)
+ break;
+
+ if (sscanf(buff, " %*d %s \"%[^\"]", msgid, stmsg) < 2) {
+ // Old message file
+ if (!sscanf(buff, " %*d \"%[^\"]", stmsg)) {
+ sprintf(stmsg, "Bad message file for %d %s", mid, SVP(m));
+ goto fin;
+ } else
+ m = NULL;
+
+ } // endif sscanf
+
+ if (m && strcmp(m, msgid)) {
+ // Message file is out of date
+ strcpy(stmsg, m);
+ goto fin;
+ } // endif m
+
+ fin:
+ fclose(mfile);
+
+ err:
+ if (g) {
+ // Called by STEP
+ msg = (char *)PlugSubAlloc(g, NULL, strlen(stmsg) + 1);
+ strcpy(msg, stmsg);
+ } else // Called by MSG or PlgGetErrorMsg
+ msg = stmsg;
+
+ return msg;
+ } // end of PlugReadMessage
+
+#elif defined(NEWMSG)
+/***********************************************************************/
+/* PlugGetMessage: get a message from the resource string table. */
+/***********************************************************************/
+char *PlugGetMessage(PGLOBAL g, int mid)
+ {
+ char *msg;
+
+#if !defined(UNIX) && !defined(UNIV_LINUX)
+ int n = LoadString(s_hModule, (uint)mid, (LPTSTR)stmsg, 200);
+
+ if (n == 0) {
+ DWORD rc = GetLastError();
+ msg = (char*)PlugSubAlloc(g, NULL, 512); // Extend buf allocation
+ n = sprintf(msg, "Message %d, rc=%d: ", mid, rc);
+ FormatMessage(FORMAT_MESSAGE_FROM_SYSTEM |
+ FORMAT_MESSAGE_IGNORE_INSERTS, NULL, rc, 0,
+ (LPTSTR)(msg + n), 512 - n, NULL);
+ return msg;
+ } // endif n
+
+#else // UNIX
+ if (!GetRcString(mid, stmsg, 200))
+ sprintf(stmsg, "Message %d not found", mid);
+#endif // UNIX
+
+ if (g) {
+ // Called by STEP
+ msg = (char *)PlugSubAlloc(g, NULL, strlen(stmsg) + 1);
+ strcpy(msg, stmsg);
+ } else // Called by MSG or PlgGetErrorMsg
+ msg = stmsg;
+
+ return msg;
+ } // end of PlugGetMessage
+#endif // NEWMSG
+
+#if defined(WIN32)
+/***********************************************************************/
+/* Return the line length of the console screen buffer. */
+/***********************************************************************/
+short GetLineLength(PGLOBAL g)
+ {
+ CONSOLE_SCREEN_BUFFER_INFO coninfo;
+ HANDLE hcons = GetStdHandle(STD_OUTPUT_HANDLE);
+ BOOL b = GetConsoleScreenBufferInfo(hcons, &coninfo);
+
+ return (b) ? coninfo.dwSize.X : 0;
+ } // end of GetLineLength
+#endif // WIN32
+
+/***********************************************************************/
+/* Program for memory allocation of work and language areas. */
+/***********************************************************************/
+void *PlugAllocMem(PGLOBAL g, uint size)
+ {
+ void *areap; /* Pointer to allocated area */
+
+ /*********************************************************************/
+ /* This is the allocation routine for the WIN32/UNIX/AIX version. */
+ /*********************************************************************/
+ if (!(areap = malloc(size)))
+ sprintf(g->Message, MSG(MALLOC_ERROR), "malloc");
+
+ if (trace > 1) {
+ if (areap)
+ htrc("Memory of %u allocated at %p\n", size, areap);
+ else
+ htrc("PlugAllocMem: %s\n", g->Message);
+
+ } // endif trace
+
+ return (areap);
+ } /* end of PlugAllocMem */
+
+/***********************************************************************/
+/* Program for SubSet initialization of memory pools. */
+/* Here there should be some verification done such as validity of */
+/* the address and size not larger than memory size. */
+/***********************************************************************/
+BOOL PlugSubSet(PGLOBAL g __attribute__((unused)), void *memp, uint size)
+ {
+ PPOOLHEADER pph = memp;
+
+ pph->To_Free = (OFFSET)sizeof(POOLHEADER);
+ pph->FreeBlk = size - pph->To_Free;
+
+ return FALSE;
+ } /* end of PlugSubSet */
+
+/***********************************************************************/
+/* Program for sub-allocating one item in a storage area. */
+/* Note: SubAlloc routines of OS/2 are no more used to increase the */
+/* code portability and avoid problems when a grammar compiled under */
+/* one version of OS/2 is used under another version. */
+/* The simple way things are done here is also based on the fact */
+/* that no freeing of suballocated blocks is permitted in Plug. */
+/***********************************************************************/
+void *PlugSubAlloc(PGLOBAL g, void *memp, size_t size)
+ {
+ PPOOLHEADER pph; /* Points on area header. */
+
+ if (!memp)
+ /*******************************************************************/
+ /* Allocation is to be done in the Sarea. */
+ /*******************************************************************/
+ memp = g->Sarea;
+
+//size = ((size + 3) / 4) * 4; /* Round up size to multiple of 4 */
+ size = ((size + 7) / 8) * 8; /* Round up size to multiple of 8 */
+ pph = (PPOOLHEADER)memp;
+
+#if defined(DEBUG2) || defined(DEBUG3)
+ htrc("SubAlloc in %p size=%d used=%d free=%d\n",
+ memp, size, pph->To_Free, pph->FreeBlk);
+#endif
+
+ if ((uint)size > pph->FreeBlk) { /* Not enough memory left in pool */
+ char *pname = "Work";
+
+ sprintf(g->Message,
+ "Not enough memory in %s area for request of %u (used=%d free=%d)",
+ pname, (uint) size, pph->To_Free, pph->FreeBlk);
+
+#if defined(DEBUG2) || defined(DEBUG3)
+ htrc("%s\n", g->Message);
+#endif
+
+ longjmp(g->jumper[g->jump_level], 1);
+ } /* endif size OS32 code */
+
+ /*********************************************************************/
+ /* Do the suballocation the simplest way. */
+ /*********************************************************************/
+ memp = MakePtr(memp, pph->To_Free); /* Points to suballocated block */
+ pph->To_Free += size; /* New offset of pool free block */
+ pph->FreeBlk -= size; /* New size of pool free block */
+#if defined(DEBUG2) || defined(DEBUG3)
+ htrc("Done memp=%p used=%d free=%d\n",
+ memp, pph->To_Free, pph->FreeBlk);
+#endif
+ return (memp);
+ } /* end of PlugSubAlloc */
+
+/***********************************************************************/
+/* This routine suballocate a copy of the passed string. */
+/***********************************************************************/
+char *PlugDup(PGLOBAL g, const char *str)
+ {
+ char *buf;
+ size_t len;
+
+ if (str && (len = strlen(str))) {
+ buf = (char*)PlugSubAlloc(g, NULL, len + 1);
+ strcpy(buf, str);
+ } else
+ buf = NULL;
+
+ return(buf);
+ } /* end of PlugDup */
+
+/***********************************************************************/
+/* This routine makes a pointer from an offset to a memory pointer. */
+/***********************************************************************/
+void *MakePtr(void *memp, OFFSET offset)
+ {
+ return ((offset == 0) ? NULL : &((char *)memp)[offset]);
+ } /* end of MakePtr */
+
+/***********************************************************************/
+/* This routine makes an offset from a pointer new format. */
+/***********************************************************************/
+#if 0
+OFFSET MakeOff(void *memp, void *ptr)
+ {
+ return ((!ptr) ? 0 : (OFFSET)((char *)ptr - (char *)memp));
+ } /* end of MakeOff */
+#endif
+/*--------------------- End of PLUGUTIL program -----------------------*/
|