3 * Reading and writing large integers on files
5 * (c) 1999 Straylight/Edgeware
8 /*----- Licensing notice --------------------------------------------------*
10 * This file is part of Catacomb.
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.
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.
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,
28 /*----- Header files ------------------------------------------------------*/
34 /*----- Main code ---------------------------------------------------------*/
36 /* --- Operations table --- */
38 static int get(void *p) { FILE *fp = p; return getc(fp); }
40 static void unget(int ch, void *p) { FILE *fp = p; ungetc(ch, fp); }
42 static int put(const char *s, size_t sz, void *p)
45 return (fwrite(s, 1, sz, fp) != sz);
48 const mptext_ops mptext_fileops = { get, unget, put };
50 /* --- Convenience functions --- */
52 mp *mp_readfile(mp *m, FILE *fp, int radix)
54 return mp_read(m, radix, &mptext_fileops, fp);
57 int mp_writefile(mp *m, FILE *fp, int radix)
59 return mp_write(m, radix, &mptext_fileops, fp);
62 /*----- That's all, folks -------------------------------------------------*/