RetroZilla/security/nss/lib/freebl/mpi/utils/basecvt.c
2015-10-20 23:03:22 -04:00

101 lines
3.0 KiB
C

/*
* 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.
*
* ***** BEGIN LICENSE BLOCK *****
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
*
* 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 the Initial Developer are Copyright (C) 1998
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
*
* Alternatively, the contents of this file may be used under the terms of
* either the GNU General Public License Version 2 or later (the "GPL"), or
* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
* in which case the provisions of the GPL or the LGPL are applicable instead
* of those above. If you wish to allow use of your version of this file only
* under the terms of either the GPL or the LGPL, and not to allow others to
* use your version of this file under the terms of the MPL, indicate your
* decision by deleting the provisions above and replace them with the notice
* and other provisions required by the GPL or the LGPL. If you do not delete
* the provisions above, a recipient may use your version of this file under
* the terms of any one of the MPL, the GPL or the LGPL.
*
* ***** END LICENSE BLOCK ***** */
/* $Id: basecvt.c,v 1.3 2004/04/27 23:04:37 gerv%gerv.net Exp $ */
#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;
}