432c4e18 |
1 | /* -*-c-*- |
2 | * |
3 | * $Id: mpdump.c,v 1.1 2004/03/27 17:54:11 mdw Exp $ |
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 | |
30 | /*----- Revision history --------------------------------------------------* |
31 | * |
32 | * $Log: mpdump.c,v $ |
33 | * Revision 1.1 2004/03/27 17:54:11 mdw |
34 | * Standard curves and curve checking. |
35 | * |
36 | */ |
37 | |
38 | /*----- Header files ------------------------------------------------------*/ |
39 | |
40 | #include <errno.h> |
41 | #include <stdio.h> |
42 | #include <string.h> |
43 | |
44 | #include "mp.h" |
45 | |
46 | /*----- Main code ---------------------------------------------------------*/ |
47 | |
48 | int main(int argc, char *argv[]) |
49 | { |
50 | mp *x; |
51 | int i; |
52 | int w, n; |
53 | |
54 | if (argc != 2) { |
55 | fprintf(stderr, "%s: missing argument\n", argv[0]); |
56 | return (1); |
57 | } |
58 | if ((x = mp_readstring(0, argv[1], 0, 0)) == 0) { |
59 | fprintf(stderr, "%s: bad integer `%s'", argv[0], argv[1]); |
60 | return (1); |
61 | } |
62 | fputs(" ", stdout); |
63 | w = (MPW_BITS + 3)/4; |
64 | n = 1; |
65 | while (2 + 2 * n * (4 + w) < 72) n <<= 1; |
66 | i = 0; |
67 | for (;;) { |
68 | printf("0x%0*x", w, x->v[i]); |
69 | i++; |
70 | if (i >= MP_LEN(x)) break; |
71 | fputs(",", stdout); |
72 | if (i % n) fputs(" ", stdout); else fputs("\n ", stdout); |
73 | } |
74 | if (fflush(stdout) || ferror(stdout)) { |
75 | fprintf(stderr, "%s: error writing data: %s", argv[0], strerror(errno)); |
76 | return (1); |
77 | } |
78 | fputs("\n", stdout); |
79 | return (0); |
80 | } |
81 | |
82 | /*----- That's all, folks -------------------------------------------------*/ |