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/*
* basecvt.c
*
* Convert integer values specified on the command line from one input
* base to another. Accepts input and output bases between 2 and 36
* inclusive.
*
* The contents of this file are subject to the Mozilla Public
* License Version 1.1 (the "License"); you may not use this file
* except in compliance with the License. You may obtain a copy of
* the License at http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS
* IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
* implied. See the License for the specific language governing
* rights and limitations under the License.
*
* The Original Code is the MPI Arbitrary Precision Integer Arithmetic
* library.
*
* The Initial Developer of the Original Code is Michael J. Fromberger.
* Portions created by Michael J. Fromberger are
* Copyright (C) 1998, 1999, 2000 Michael J. Fromberger.
* All Rights Reserved.
*
* Contributor(s):
*
* Alternatively, the contents of this file may be used under the
* terms of the GNU General Public License Version 2 or later (the
* "GPL"), in which case the provisions of the GPL are applicable
* instead of those above. If you wish to allow use of your
* version of this file only under the terms of the GPL and not to
* allow others to use your version of this file under the MPL,
* indicate your decision by deleting the provisions above and
* replace them with the notice and other provisions required by
* the GPL. If you do not delete the provisions above, a recipient
* may use your version of this file under either the MPL or the GPL.
*
* $Id$
*/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "mpi.h"
#define IBASE 10
#define OBASE 16
#define USAGE "Usage: %s ibase obase [value]\n"
#define MAXBASE 64
#define MINBASE 2
int main(int argc, char *argv[])
{
int ix, ibase = IBASE, obase = OBASE;
mp_int val;
ix = 1;
if(ix < argc) {
ibase = atoi(argv[ix++]);
if(ibase < MINBASE || ibase > MAXBASE) {
fprintf(stderr, "%s: input radix must be between %d and %d inclusive\n",
argv[0], MINBASE, MAXBASE);
return 1;
}
}
if(ix < argc) {
obase = atoi(argv[ix++]);
if(obase < MINBASE || obase > MAXBASE) {
fprintf(stderr, "%s: output radix must be between %d and %d inclusive\n",
argv[0], MINBASE, MAXBASE);
return 1;
}
}
mp_init(&val);
while(ix < argc) {
char *out;
int outlen;
mp_read_radix(&val, argv[ix++], ibase);
outlen = mp_radix_size(&val, obase);
out = calloc(outlen, sizeof(char));
mp_toradix(&val, out, obase);
printf("%s\n", out);
free(out);
}
mp_clear(&val);
return 0;
}
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