1 /* PSPP - computes sample statistics.
2 Copyright (C) 2006 Free Software Foundation, Inc.
4 This program is free software; you can redistribute it and/or
5 modify it under the terms of the GNU General Public License as
6 published by the Free Software Foundation; either version 2 of the
7 License, or (at your option) any later version.
9 This program is distributed in the hope that it will be useful, but
10 WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 General Public License for more details.
14 You should have received a copy of the GNU General Public License
15 along with this program; if not, write to the Free Software
16 Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
20 #include "sys-file-private.h"
22 #include <data/value.h>
23 #include <libpspp/assertion.h>
25 /* Return the number of bytes used when writing case_data for a variable
28 sfm_width_to_bytes (int width)
33 return MAX_SHORT_STRING;
34 else if (width < MIN_VERY_LONG_STRING)
35 return ROUND_UP (width, MAX_SHORT_STRING);
38 int chunks = width / EFFECTIVE_LONG_STRING_LENGTH ;
39 int remainder = width % EFFECTIVE_LONG_STRING_LENGTH ;
40 int bytes = remainder + (chunks * MIN_VERY_LONG_STRING);
41 return ROUND_UP (bytes, MAX_SHORT_STRING);