hex2dec.c
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上传日期:2007-01-12
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文件大小:2k
- /*
- * hex2dec.c
- *
- * Convert decimal integers into hexadecimal
- *
- * 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: hex2dec.c,v 1.1 2000/07/14 00:44:57 nelsonb%netscape.com Exp $
- */
- #include <stdio.h>
- #include <stdlib.h>
- #include <string.h>
- #include "mpi.h"
- int main(int argc, char *argv[])
- {
- mp_int a;
- char *buf;
- int len;
- if(argc < 2) {
- fprintf(stderr, "Usage: %s <a>n", argv[0]);
- return 1;
- }
- mp_init(&a); mp_read_radix(&a, argv[1], 16);
- len = mp_radix_size(&a, 10);
- buf = malloc(len);
- mp_toradix(&a, buf, 10);
- printf("%sn", buf);
- free(buf);
- mp_clear(&a);
- return 0;
- }