/security/nss/lib/freebl/mpi/utils/dec2hex.c

http://github.com/zpao/v8monkey · C · 71 lines · 22 code · 8 blank · 41 comment · 1 complexity · 29b8c998791a366c7b71951ea78bf73b MD5 · raw file

  1. /*
  2. * dec2hex.c
  3. *
  4. * Convert decimal integers into hexadecimal
  5. *
  6. * ***** BEGIN LICENSE BLOCK *****
  7. * Version: MPL 1.1/GPL 2.0/LGPL 2.1
  8. *
  9. * The contents of this file are subject to the Mozilla Public License Version
  10. * 1.1 (the "License"); you may not use this file except in compliance with
  11. * the License. You may obtain a copy of the License at
  12. * http://www.mozilla.org/MPL/
  13. *
  14. * Software distributed under the License is distributed on an "AS IS" basis,
  15. * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
  16. * for the specific language governing rights and limitations under the
  17. * License.
  18. *
  19. * The Original Code is the MPI Arbitrary Precision Integer Arithmetic library.
  20. *
  21. * The Initial Developer of the Original Code is
  22. * Michael J. Fromberger.
  23. * Portions created by the Initial Developer are Copyright (C) 1998
  24. * the Initial Developer. All Rights Reserved.
  25. *
  26. * Contributor(s):
  27. *
  28. * Alternatively, the contents of this file may be used under the terms of
  29. * either the GNU General Public License Version 2 or later (the "GPL"), or
  30. * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
  31. * in which case the provisions of the GPL or the LGPL are applicable instead
  32. * of those above. If you wish to allow use of your version of this file only
  33. * under the terms of either the GPL or the LGPL, and not to allow others to
  34. * use your version of this file under the terms of the MPL, indicate your
  35. * decision by deleting the provisions above and replace them with the notice
  36. * and other provisions required by the GPL or the LGPL. If you do not delete
  37. * the provisions above, a recipient may use your version of this file under
  38. * the terms of any one of the MPL, the GPL or the LGPL.
  39. *
  40. * ***** END LICENSE BLOCK ***** */
  41. /* $Id: dec2hex.c,v 1.3 2004/04/27 23:04:37 gerv%gerv.net Exp $ */
  42. #include <stdio.h>
  43. #include <stdlib.h>
  44. #include <string.h>
  45. #include "mpi.h"
  46. int main(int argc, char *argv[])
  47. {
  48. mp_int a;
  49. char *buf;
  50. int len;
  51. if(argc < 2) {
  52. fprintf(stderr, "Usage: %s <a>\n", argv[0]);
  53. return 1;
  54. }
  55. mp_init(&a); mp_read_radix(&a, argv[1], 10);
  56. len = mp_radix_size(&a, 16);
  57. buf = malloc(len);
  58. mp_toradix(&a, buf, 16);
  59. printf("%s\n", buf);
  60. free(buf);
  61. mp_clear(&a);
  62. return 0;
  63. }