1 /* PSPP - a program for statistical analysis.
2 Copyright (C) 2006 Free Software Foundation, Inc.
4 This program is free software: you can redistribute it and/or modify
5 it under the terms of the GNU General Public License as published by
6 the Free Software Foundation, either version 3 of the License, or
7 (at your option) any later version.
9 This program is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 GNU 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, see <http://www.gnu.org/licenses/>. */
18 #include "sys-file-private.h"
20 #include <data/value.h>
21 #include <libpspp/assertion.h>
23 /* Return the number of bytes used when writing case_data for a variable
26 sfm_width_to_bytes (int width)
31 return MAX_SHORT_STRING;
32 else if (width < MIN_VERY_LONG_STRING)
33 return ROUND_UP (width, MAX_SHORT_STRING);
36 int chunks = width / EFFECTIVE_LONG_STRING_LENGTH ;
37 int remainder = width % EFFECTIVE_LONG_STRING_LENGTH ;
38 int bytes = remainder + (chunks * MIN_VERY_LONG_STRING);
39 return ROUND_UP (bytes, MAX_SHORT_STRING);