Function setPath

src/common/db_alias.cpp:461–484

Set a prefix to a filename based on the ISC_PATH user variable. Returns true if database name is expanded using ISC_PATH.

// Set a prefix to a filename based on the ISC_PATH user variable.
// Returns true if database name is expanded using ISC_PATH.
static bool setPath(const PathName& filename, PathName& expandedName)
{
	// Look for the environment variables to tack onto the beginning of the database path.
	PathName pathname;
	if (!fb_utils::readenv("ISC_PATH", pathname))
		return false;

	// If the file already contains a remote node or any path at all forget it.
	if (hasSeparator(filename))
		return false;

	// concatenate the strings

	expandedName = pathname;

	// CVC: Make the concatenation work if no slash is present.
	char lastChar = expandedName[expandedName.length() - 1];
	if (lastChar != ':' && lastChar != '/' && lastChar != '\\')
		expandedName.append(1, PathUtils::dir_sep);

	expandedName.append(filename);

	return true;
}

// Full processing of database name
// Returns true if alias was found in databases.conf