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1 | /* -*-c-*- |
2 | * |
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3 | * $Id: mpdump.c,v 1.2 2004/04/08 01:36:15 mdw Exp $ |
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4 | * |
5 | * Dump a multiprecision integer as C data |
6 | * |
7 | * (c) 2004 Straylight/Edgeware |
8 | */ |
9 | |
10 | /*----- Licensing notice --------------------------------------------------* |
11 | * |
12 | * This file is part of Catacomb. |
13 | * |
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. |
18 | * |
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. |
23 | * |
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, |
27 | * MA 02111-1307, USA. |
28 | */ |
29 | |
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30 | /*----- Header files ------------------------------------------------------*/ |
31 | |
32 | #include <errno.h> |
33 | #include <stdio.h> |
34 | #include <string.h> |
35 | |
36 | #include "mp.h" |
37 | |
38 | /*----- Main code ---------------------------------------------------------*/ |
39 | |
40 | int main(int argc, char *argv[]) |
41 | { |
42 | mp *x; |
43 | int i; |
44 | int w, n; |
45 | |
46 | if (argc != 2) { |
47 | fprintf(stderr, "%s: missing argument\n", argv[0]); |
48 | return (1); |
49 | } |
50 | if ((x = mp_readstring(0, argv[1], 0, 0)) == 0) { |
51 | fprintf(stderr, "%s: bad integer `%s'", argv[0], argv[1]); |
52 | return (1); |
53 | } |
54 | fputs(" ", stdout); |
55 | w = (MPW_BITS + 3)/4; |
56 | n = 1; |
57 | while (2 + 2 * n * (4 + w) < 72) n <<= 1; |
58 | i = 0; |
59 | for (;;) { |
60 | printf("0x%0*x", w, x->v[i]); |
61 | i++; |
62 | if (i >= MP_LEN(x)) break; |
63 | fputs(",", stdout); |
64 | if (i % n) fputs(" ", stdout); else fputs("\n ", stdout); |
65 | } |
66 | if (fflush(stdout) || ferror(stdout)) { |
67 | fprintf(stderr, "%s: error writing data: %s", argv[0], strerror(errno)); |
68 | return (1); |
69 | } |
70 | fputs("\n", stdout); |
71 | return (0); |
72 | } |
73 | |
74 | /*----- That's all, folks -------------------------------------------------*/ |