Function FS_CheckFilenameIsMutable

code/qcommon/files.cpp:527–536

================= FS_CheckFilenameIsMutable ERR_FATAL if trying to maniuplate a file with the platform library, or pk3 extension ================= */

=================
*/
static void FS_CheckFilenameIsMutable( const char *filename, const char *function )
{
	// Check if the filename ends with the library, or pk3 extension
	if( COM_CompareExtension( filename, DLL_EXT )
		|| COM_CompareExtension( filename, ".pk3" ) )
	{
		Com_Error( ERR_FATAL, "%s: Not allowed to manipulate '%s' due "
			"to %s extension", function, filename, COM_GetExtension( filename ) );
	}
}

/*
=================