Function API_ROUTINE gds__get_prefix

src/yvalve/gds.cpp:1806–1865

SLONG API_ROUTINE gds__get_prefix(SSHORT arg_type, const TEXT* passed_string)
{
/**************************************
 *
 *	g d s _ $ g e t _ p r e f i x
 *
 **************************************
 *
 * Functional description
 *	Find appropriate Firebird command line arguments
 *	for Interbase file prefix.
 *
 *      arg_type is 0 for $FIREBIRD, 1 for $FIREBIRD_LOCK
 *      and 2 for $FIREBIRD_MSG
 *
 *      Function returns 0 on success and -1 on failure
 *		it has very strange name, but to keep API as is leave it
 **************************************/
	if (! passed_string)
		return -1;

	Firebird::PathName prefix(passed_string);
	prefix.erase(MAXPATHLEN);
	for (FB_SIZE_T n = 0; n < prefix.length(); ++n)
	{
		switch (prefix[n])
		{
		case ' ':
		case '\n':	// don't know exact reason - just keep
		case '\r':	// old API call behavior
			prefix.erase(n);
			break;	// will also leave for() due to length change
		}
	}

	if (arg_type == IB_PREFIX_TYPE)
	{
		// it's very important to do it BEFORE GDS_init_prefix()
		Firebird::Config::setRootDirectoryFromCommandLine(prefix);
	}

	GDS_init_prefix();

	switch (arg_type)
	{
	case IB_PREFIX_TYPE:
		prefix.copyTo(fb_prefix_val, sizeof fb_prefix_val);
		break;
	case IB_PREFIX_LOCK_TYPE:
		prefix.copyTo(fb_prefix_lock_val, sizeof fb_prefix_lock_val);
		break;
	case IB_PREFIX_MSG_TYPE:
		prefix.copyTo(fb_prefix_msg_val, sizeof fb_prefix_msg_val);
		break;
	default:
		return -1;
	}