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 /*

  *  dec2hex.c

  *

  *  Convert decimal integers into hexadecimal

  *

  * This Source Code Form is subject to the terms of the Mozilla Public

  * License, v. 2.0. If a copy of the MPL was not distributed with this

  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

 #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], 10);

   len = mp_radix_size(&a, 16);

   buf = malloc(len);

   mp_toradix(&a, buf, 16);

   printf("%s\n", buf);

   free(buf);

   mp_clear(&a);

   return 0;

 }