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101 lines
3.0 KiB
C
101 lines
3.0 KiB
C
/*
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* basecvt.c
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*
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* Convert integer values specified on the command line from one input
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* base to another. Accepts input and output bases between 2 and 36
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* inclusive.
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*
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* ***** BEGIN LICENSE BLOCK *****
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* Version: MPL 1.1/GPL 2.0/LGPL 2.1
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*
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* The contents of this file are subject to the Mozilla Public License Version
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* 1.1 (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* License.
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*
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* The Original Code is the MPI Arbitrary Precision Integer Arithmetic library.
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*
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* The Initial Developer of the Original Code is
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* Michael J. Fromberger.
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* Portions created by the Initial Developer are Copyright (C) 1998
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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*
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* Alternatively, the contents of this file may be used under the terms of
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* either the GNU General Public License Version 2 or later (the "GPL"), or
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* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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* in which case the provisions of the GPL or the LGPL are applicable instead
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* of those above. If you wish to allow use of your version of this file only
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* under the terms of either the GPL or the LGPL, and not to allow others to
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* use your version of this file under the terms of the MPL, indicate your
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* decision by deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL or the LGPL. If you do not delete
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* the provisions above, a recipient may use your version of this file under
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* the terms of any one of the MPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK ***** */
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/* $Id: basecvt.c,v 1.3 2004/04/27 23:04:37 gerv%gerv.net Exp $ */
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include "mpi.h"
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#define IBASE 10
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#define OBASE 16
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#define USAGE "Usage: %s ibase obase [value]\n"
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#define MAXBASE 64
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#define MINBASE 2
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int main(int argc, char *argv[])
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{
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int ix, ibase = IBASE, obase = OBASE;
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mp_int val;
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ix = 1;
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if(ix < argc) {
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ibase = atoi(argv[ix++]);
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if(ibase < MINBASE || ibase > MAXBASE) {
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fprintf(stderr, "%s: input radix must be between %d and %d inclusive\n",
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argv[0], MINBASE, MAXBASE);
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return 1;
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}
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}
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if(ix < argc) {
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obase = atoi(argv[ix++]);
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if(obase < MINBASE || obase > MAXBASE) {
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fprintf(stderr, "%s: output radix must be between %d and %d inclusive\n",
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argv[0], MINBASE, MAXBASE);
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return 1;
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}
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}
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mp_init(&val);
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while(ix < argc) {
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char *out;
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int outlen;
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mp_read_radix(&val, argv[ix++], ibase);
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outlen = mp_radix_size(&val, obase);
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out = calloc(outlen, sizeof(char));
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mp_toradix(&val, out, obase);
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printf("%s\n", out);
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free(out);
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}
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mp_clear(&val);
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return 0;
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}
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