mirror of
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9de9f105b5
Continue with similar changes as done in 19af1890 to replace sprintf(buf, ...)
with snprintf(buf, sizeof(buf), ...), specifically in the "easy" cases where buf
is allocated with a size known at compile time.
All new code of the whole pull request, including one or several files that are
either new files or modified ones, are contributed under the BSD-new license. I
am contributing on behalf of my employer Amazon Web Services, Inc.
232 lines
9.5 KiB
C
232 lines
9.5 KiB
C
/***********************************************************************/
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/* GLOBAL.H: Declaration file used by all CONNECT implementations. */
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/* (C) Copyright MariaDB Corporation Ab */
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/* Author Olivier Bertrand 1993-2020 */
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/***********************************************************************/
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/***********************************************************************/
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/* Included C-definition files common to all Plug routines */
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/***********************************************************************/
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#include <string.h> /* String manipulation declares */
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#include <stdlib.h> /* C standard library */
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#include <ctype.h> /* C language specific types */
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#include <stdio.h> /* FOPEN_MAX declaration */
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#include <time.h> /* time_t type declaration */
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#include <setjmp.h> /* Long jump declarations */
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#define ROUNDUP_TO_8(num) (((num + 7) / 8) * 8)
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#if defined(_WIN32) && !defined(NOEX)
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#define DllExport __declspec( dllexport )
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#else // !_WIN32
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#define DllExport
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#endif // !_WIN32
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#if defined(DOMDOC_SUPPORT) || defined(LIBXML2_SUPPORT)
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#define XML_SUPPORT 1
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#endif
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#if defined(XMSG)
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//#error Option XMSG is not yet fully implemented
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// Definition used to read messages from message file.
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#include "msgid.h"
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#define MSG(I) PlugReadMessage(NULL, MSG_##I, #I)
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#define STEP(I) PlugReadMessage(g, MSG_##I, #I)
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#elif defined(NEWMSG)
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//#error Option NEWMSG is not yet fully implemented
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// Definition used to get messages from resource.
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#include "msgid.h"
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#define MSG(I) PlugGetMessage(NULL, MSG_##I)
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#define STEP(I) PlugGetMessage(g, MSG_##I)
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#else // !XMSG and !NEWMSG
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// Definition used to replace messages ID's by their definition.
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#include "messages.h"
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#define MSG(I) MSG_##I
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#define STEP(I) MSG_##I
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#endif // !XMSG and !NEWMSG
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#if defined(_WIN32)
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#define CRLF 2
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#else // !_WIN32
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#define CRLF 1
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#endif // !_WIN32
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/***********************************************************************/
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/* Define access to the thread based trace value. */
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/***********************************************************************/
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#define trace(T) (bool)(GetTraceValue() & (uint)T)
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/***********************************************************************/
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/* Miscellaneous Constants */
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/***********************************************************************/
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#define NO_IVAL -95684275 /* Used by GetIntegerOption */
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#define MAX_JUMP 24 /* Maximum jump level number */
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#define MAX_STR 4160 /* Maximum message length */
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#define TYPE_VOID -1
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#define TYPE_ERROR 0
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#define TYPE_STRING 1
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#define TYPE_DOUBLE 2
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#define TYPE_SHORT 3
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#define TYPE_TINY 4
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#define TYPE_BIGINT 5
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#define TYPE_LIST 6
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#define TYPE_INT 7
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#define TYPE_DATE 8
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#define TYPE_DECIM 9
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#define TYPE_BIN 10
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#define TYPE_PCHAR 11
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#if defined(__cplusplus)
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extern "C" {
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#endif
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/***********************************************************************/
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/* Static variables */
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/***********************************************************************/
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/***********************************************************************/
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/* File-Selection Indicators */
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/***********************************************************************/
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#define PAT_LOG "log"
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#if defined(UNIX) || defined(LINUX) || defined(UNIV_LINUX)
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// printf does not accept null pointer for %s target
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#define SVP(S) ((S) ? S : "<null>")
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#else
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// printf accepts null pointer for %s target
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#define SVP(S) S
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#endif
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#if defined(STORAGE)
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FILE *debug;
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#else
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extern FILE *debug;
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#endif
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/***********************************************************************/
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/* General purpose type definitions. */
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/***********************************************************************/
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#include "os.h"
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typedef struct {
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ushort Length;
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char String[2];
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} VARSTR;
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#if !defined(PGLOBAL_DEFINED)
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typedef struct _global *PGLOBAL;
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#define PGLOBAL_DEFINED
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#endif
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typedef struct _globplg *PGS;
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typedef struct _activity *PACTIVITY;
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typedef struct _parm *PPARM;
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typedef char NAME[9];
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/***********************************************************************/
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/* Segment Sub-Allocation block structure declares. */
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/* Next block is an implementation dependent segment suballoc save */
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/* structure used to keep the suballocation system offsets and to */
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/* restore them if needed. This scheme implies that no SubFree be used */
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/***********************************************************************/
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typedef struct { /* Plug Area SubAlloc header */
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size_t To_Free; /* Offset of next free block */
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size_t FreeBlk; /* Size of remaining free memory */
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} POOLHEADER, *PPOOLHEADER;
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/***********************************************************************/
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/* Language block. Containing all global information for the language */
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/* this block is saved and retrieved with the language. Information */
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/* in this block can be set and modified under Grammar editing. */
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/***********************************************************************/
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#if defined(BIT64)
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typedef int TIME_T; /* Lang block size must not change */
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#else // BIT32
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typedef time_t TIME_T; /* time_t */
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#endif // BIT32
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typedef struct {
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uint Memsize;
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uint Size;
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} AREADEF;
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typedef struct Lang_block {
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NAME LangName; /* Language name */
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NAME Application; /* Application name */
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} LANG, *PLANG;
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/***********************************************************************/
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/* Application block. It contains all global information for the */
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/* current parse and execution using the corresponding language. */
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/* This block is dynamically allocated and set at language init. */
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/***********************************************************************/
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typedef struct _activity { /* Describes activity and language */
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void *Aptr; /* Points to user work area(s) */
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NAME Ap_Name; /* Current application name */
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} ACTIVITY;
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/*---------------- UNIT ?????????? VERSION ? ----------------------*/
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typedef struct _parm {
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union {
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void *Value;
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int Intval;
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}; // end union
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short Type, Domain;
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PPARM Next;
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} PARM;
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/***********************************************************************/
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/* Global Structure Block. This block contains, or points to, all */
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/* information used by CONNECT tables. Passed as an argument */
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/* to any routine allows it to have access to the entire information */
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/* currently available for the whole set of loaded languages. */
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/***********************************************************************/
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typedef struct _global { /* Global structure */
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void *Sarea; /* Points to work area */
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size_t Sarea_Size; /* Work area size */
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PACTIVITY Activityp;
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char Message[MAX_STR]; /* Message (result, error, trace) */
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size_t More; /* Used by jsonudf */
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size_t Saved_Size; /* Saved work area to_free */
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bool Createas; /* To pass multi to ext tables */
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void *Xchk; /* indexes in create/alter */
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short Alchecked; /* Checked for ALTER */
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short Mrr; /* True when doing mrr */
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int N; /* Utility */
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int jump_level;
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jmp_buf jumper[MAX_JUMP + 2];
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} GLOBAL;
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/***********************************************************************/
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/* Exported routine declarations. */
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/***********************************************************************/
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#if defined(XMSG)
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DllExport char *PlugReadMessage(PGLOBAL, int, char *);
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#elif defined(NEWMSG)
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DllExport char *PlugGetMessage(PGLOBAL, int);
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#endif // XMSG || NEWMSG
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#if defined(_WIN32)
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DllExport short GetLineLength(PGLOBAL); // Console line length
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#endif // _WIN32
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DllExport PGLOBAL PlugInit(LPCSTR, size_t); // Plug global initialization
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DllExport PGLOBAL PlugExit(PGLOBAL); // Plug global termination
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DllExport LPSTR PlugRemoveType(LPSTR, LPCSTR);
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DllExport LPCSTR PlugSetPath(LPSTR to, LPCSTR prefix, LPCSTR name, LPCSTR dir);
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DllExport BOOL PlugIsAbsolutePath(LPCSTR path);
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DllExport bool AllocSarea(PGLOBAL, size_t);
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DllExport void FreeSarea(PGLOBAL);
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DllExport BOOL PlugSubSet(void *, size_t);
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DllExport void *PlugSubAlloc(PGLOBAL, void *, size_t);
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DllExport char *PlugDup(PGLOBAL g, const char *str);
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DllExport void htrc(char const *fmt, ...);
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DllExport void xtrc(uint, char const* fmt, ...);
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DllExport uint GetTraceValue(void);
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DllExport void* MakePtr(void* memp, size_t offset);
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DllExport size_t MakeOff(void* memp, void* ptr);
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#if defined(__cplusplus)
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} // extern "C"
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#endif
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/*-------------------------- End of Global.H --------------------------*/
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