| 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 -------------------------------------------------*/ |