RETCODE SQL_API
PGAPI_AllocEnv(HENV FAR * phenv)
{
CSTR func = "PGAPI_AllocEnv";
SQLRETURN ret = SQL_SUCCESS;
mylog("**** in %s ** \n", func);
/*
* Hack for systems on which none of the constructor-making techniques
* in hsqlodbc.c work: if globals appears not to have been
* initialized, then cause it to be initialized. Since this should be
* the first function called in this shared library, doing it here
* should work.
*/
if (globals.socket_buffersize <= 0)
{
initialize_global_cs();
getCommonDefaults(DBMS_NAME, ODBCINST_INI, NULL);
}
*phenv = (HENV) EN_Constructor();
if (!*phenv)
{
*phenv = SQL_NULL_HENV;
EN_log_error(func, "Error allocating environment", NULL);
ret = SQL_ERROR;
}
mylog("** exit %s: phenv = %p **\n", func, *phenv);
return ret;
}
BOOL WINAPI
DllMain(HANDLE hInst, ULONG ul_reason_for_call, LPVOID lpReserved)
{
switch (ul_reason_for_call)
{
case DLL_PROCESS_ATTACH:
s_hModule = hInst; /* Save for dialog boxes */
if (initialize_global_cs() == 0)
getCommonDefaults(DBMS_NAME, ODBCINST_INI, NULL);
#ifdef PG_BIN
if (s_hLModule = LoadLibraryEx(PG_BIN "\\libpq.dll", NULL, LOAD_WITH_ALTERED_SEARCH_PATH), s_hLModule == NULL)
{
char dllPath[MAX_PATH] = "", message[MAX_PATH] = "";
mylog("libpq in the folder %s couldn't be loaded\n", PG_BIN);
SQLGetPrivateProfileString(DBMS_NAME, "Driver", "", dllPath, sizeof(dllPath), ODBCINST_INI);
if (dllPath[0])
{
char drive[_MAX_DRIVE], dir[_MAX_DIR];
_splitpath(dllPath, drive, dir, NULL, NULL);
snprintf(dllPath, sizeof(dllPath), "%s%slibpq.dll", drive, dir);
if (s_hLModule = LoadLibraryEx(dllPath, NULL, LOAD_WITH_ALTERED_SEARCH_PATH), s_hLModule == NULL)
{
mylog("libpq in the folder %s%s couldn't be loaded\n", drive, dir);
snprintf(message, sizeof(message), "libpq in neither %s nor %s%s could be loaded", PG_BIN, drive, dir);
}
}
else
snprintf(message, sizeof(message), "libpq in the folder %s couldn't be loaded", PG_BIN);
if (message[0])
MessageBox(NULL, message, "psqlsetup", MB_OK);
}
EnableDelayLoadHook();
#endif
break;
case DLL_THREAD_ATTACH:
break;
case DLL_PROCESS_DETACH:
CleanupDelayLoadedDLLs();
FreeLibrary(s_hLModule);
finalize_global_cs();
return TRUE;
case DLL_THREAD_DETACH:
break;
default:
break;
}
return TRUE;
UNREFERENCED_PARAMETER(lpReserved);
}
