3 * $Id: mptext-file.c,v 1.3 2004/04/08 01:36:15 mdw Exp $
5 * Reading and writing large integers on files
7 * (c) 1999 Straylight/Edgeware
10 /*----- Licensing notice --------------------------------------------------*
12 * This file is part of Catacomb.
14 * Catacomb is free software; you can redistribute it and/or modify
15 * it under the terms of the GNU Library General Public License as
16 * published by the Free Software Foundation; either version 2 of the
17 * License, or (at your option) any later version.
19 * Catacomb is distributed in the hope that it will be useful,
20 * but WITHOUT ANY WARRANTY; without even the implied warranty of
21 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
22 * GNU Library General Public License for more details.
24 * You should have received a copy of the GNU Library General Public
25 * License along with Catacomb; if not, write to the Free
26 * Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
30 /*----- Header files ------------------------------------------------------*/
36 /*----- Main code ---------------------------------------------------------*/
38 /* --- Operations table --- */
40 static int get(void *p) { FILE *fp = p; return getc(fp); }
42 static void unget(int ch, void *p) { FILE *fp = p; ungetc(ch, fp); }
44 static int put(const char *s, size_t sz, void *p)
47 return (fwrite(s, 1, sz, fp) != sz);
50 const mptext_ops mptext_fileops = { get, unget, put };
52 /* --- Convenience functions --- */
54 mp *mp_readfile(mp *m, FILE *fp, int radix)
56 return mp_read(m, radix, &mptext_fileops, fp);
59 int mp_writefile(mp *m, FILE *fp, int radix)
61 return mp_write(m, radix, &mptext_fileops, fp);
64 /*----- That's all, folks -------------------------------------------------*/