michael@0: /*
michael@0:  *  dec2hex.c
michael@0:  *
michael@0:  *  Convert decimal integers into hexadecimal
michael@0:  *
michael@0:  * This Source Code Form is subject to the terms of the Mozilla Public
michael@0:  * License, v. 2.0. If a copy of the MPL was not distributed with this
michael@0:  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0: 
michael@0: #include <stdio.h>
michael@0: #include <stdlib.h>
michael@0: #include <string.h>
michael@0: 
michael@0: #include "mpi.h"
michael@0: 
michael@0: int main(int argc, char *argv[])
michael@0: {
michael@0:   mp_int  a;
michael@0:   char   *buf;
michael@0:   int     len;
michael@0: 
michael@0:   if(argc < 2) {
michael@0:     fprintf(stderr, "Usage: %s <a>\n", argv[0]);
michael@0:     return 1;
michael@0:   }
michael@0: 
michael@0:   mp_init(&a); mp_read_radix(&a, argv[1], 10);
michael@0:   len = mp_radix_size(&a, 16);
michael@0:   buf = malloc(len);
michael@0:   mp_toradix(&a, buf, 16);
michael@0: 
michael@0:   printf("%s\n", buf);
michael@0: 
michael@0:   free(buf);
michael@0:   mp_clear(&a);
michael@0: 
michael@0:   return 0;
michael@0: }