chiark / gitweb /
math/mpx-mul4-test.c: Set `dstr' length correctly in conversion function.
[catacomb] / math / mptext-file.c
CommitLineData
d3409d5e 1/* -*-c-*-
d3409d5e 2 *
3 * Reading and writing large integers on files
4 *
5 * (c) 1999 Straylight/Edgeware
6 */
7
45c0fd36 8/*----- Licensing notice --------------------------------------------------*
d3409d5e 9 *
10 * This file is part of Catacomb.
11 *
12 * Catacomb is free software; you can redistribute it and/or modify
13 * it under the terms of the GNU Library General Public License as
14 * published by the Free Software Foundation; either version 2 of the
15 * License, or (at your option) any later version.
45c0fd36 16 *
d3409d5e 17 * Catacomb is distributed in the hope that it will be useful,
18 * but WITHOUT ANY WARRANTY; without even the implied warranty of
19 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
20 * GNU Library General Public License for more details.
45c0fd36 21 *
d3409d5e 22 * You should have received a copy of the GNU Library General Public
23 * License along with Catacomb; if not, write to the Free
24 * Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
25 * MA 02111-1307, USA.
26 */
27
d3409d5e 28/*----- Header files ------------------------------------------------------*/
29
30#include <stdio.h>
31
32#include "mptext.h"
33
34/*----- Main code ---------------------------------------------------------*/
35
36/* --- Operations table --- */
37
38static int get(void *p) { FILE *fp = p; return getc(fp); }
39
40static void unget(int ch, void *p) { FILE *fp = p; ungetc(ch, fp); }
41
b9b786f5 42static int put(const char *s, size_t sz, void *p)
d3409d5e 43{
44 FILE *fp = p;
45 return (fwrite(s, 1, sz, fp) != sz);
46}
47
48const mptext_ops mptext_fileops = { get, unget, put };
49
50/* --- Convenience functions --- */
51
52mp *mp_readfile(mp *m, FILE *fp, int radix)
53{
54 return mp_read(m, radix, &mptext_fileops, fp);
55}
56
57int mp_writefile(mp *m, FILE *fp, int radix)
58{
59 return mp_write(m, radix, &mptext_fileops, fp);
60}
61
62/*----- That's all, folks -------------------------------------------------*/