SQLiteClassBuilder/SQLiteDLLConnect.cpp at main · Axter-com/SQLiteClassBuilder · GitHub

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#include<windows.h>
#include"SQLiteDLLConnect.h"
#include<cassert>
#include<string>
#include<system_error>


namespaceSQLite_DLL
{
template<typename TProc>
inlineboolGetProcAddressChecked(HINSTANCE hINSTANCE, const std::string& procName, TProc& typeFunc)
	{
if (hINSTANCE == NULL)
returnfalse;
PROC ret = GetProcAddress(hINSTANCE, procName.c_str());
if (!ret)
throwstd::system_error(GetLastError(), std::system_category(), "GetProcAddress failed");
 typeFunc = reinterpret_cast<TProc>(ret);
returntrue;
	}
staticHINSTANCE HinstanceSqliteDll = NULL;

typedefint (WINAPI* SQLITE3_CONFIG)(int, ...);
staticSQLITE3_CONFIG SQLite3_config;

typedefchar* (WINAPI* SQLITE3_MPRINTF)(constchar*, ...);
staticSQLITE3_MPRINTF SQLite3_mprintf;

typedefchar* (WINAPI* SQLITE3_SNPRINTF)(int, char*, constchar*, ...);
staticSQLITE3_SNPRINTF SQLite3_snprintf;

typedefint (WINAPI* SQLITE3_DB_CONFIG)(sqlite3*, int op, ...);
staticSQLITE3_DB_CONFIG SQLite3_db_config;

typedefvoid (WINAPI* SQLITE3_LOG)(int iErrCode, constchar* zFormat, ...);
staticSQLITE3_LOG SQLite3_log;

typedefint (WINAPI* SQLITE3_VTAB_CONFIG)(sqlite3*, int op, ...);
staticSQLITE3_VTAB_CONFIG SQLite3_vtab_config;


RunTimeConnect::RunTimeConnect(std::string DllFileName)
	{
 HinstanceSqliteDll = LoadLibraryA(DllFileName.c_str());
assert(GetProcAddressChecked(HinstanceSqliteDll, "sqlite3_config", SQLite3_config));
assert(GetProcAddressChecked(HinstanceSqliteDll, "sqlite3_mprintf", SQLite3_mprintf));
assert(GetProcAddressChecked(HinstanceSqliteDll, "sqlite3_snprintf", SQLite3_snprintf));
assert(GetProcAddressChecked(HinstanceSqliteDll, "sqlite3_db_config", SQLite3_db_config));
assert(GetProcAddressChecked(HinstanceSqliteDll, "sqlite3_log", SQLite3_log));
assert(GetProcAddressChecked(HinstanceSqliteDll, "sqlite3_vtab_config", SQLite3_vtab_config));
	}

#pragma warning (disable : 4793)
intRunTimeConnect::sqlite3_config(int arg, ...)
	{
 va_list ap;
va_start(ap, arg);
int r = SQLite3_config(arg, ap);
va_end(ap);
return r;
	}

char* RunTimeConnect::sqlite3_mprintf(constchar* arg, ...)
	{
 va_list ap;
va_start(ap, arg);
char* r = SQLite3_mprintf(arg, ap);
va_end(ap);
return r;
	}

char* RunTimeConnect::sqlite3_snprintf(int i, char* arg, constchar* arg2, ...)
	{
 va_list ap;
va_start(ap, arg2);
char* r = SQLite3_snprintf(i, arg, arg2, ap);
va_end(ap);
return r;
	}

intRunTimeConnect::sqlite3_db_config(sqlite3* db, int arg, ...)
	{
 va_list ap;
va_start(ap, arg);
int r = SQLite3_db_config(db, arg, ap);
va_end(ap);
return r;
	}

voidRunTimeConnect::sqlite3_log(int iErrCode, constchar* arg, ...)
	{
 va_list ap;
va_start(ap, arg);
SQLite3_log(iErrCode, arg, ap);
va_end(ap);
	}

intRunTimeConnect::sqlite3_vtab_config(sqlite3* db, int arg, ...)
	{
 va_list ap;
va_start(ap, arg);
int r = SQLite3_vtab_config(db, arg, ap);
va_end(ap);
return r;
	}
}