mdw@git.distorted.org.uk Git - disorder/blob - lib/hex.h

   1 /*
   2  * This file is part of DisOrder
   3  * Copyright (C) 2004, 2005 Richard Kettlewell
   4  *
   5  * This program is free software; you can redistribute it and/or modify
   6  * it under the terms of the GNU General Public License as published by
   7  * the Free Software Foundation; either version 2 of the License, or
   8  * (at your option) any later version.
   9  *
  10  * This program is distributed in the hope that it will be useful, but
  11  * WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13  * General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU General Public License
  16  * along with this program; if not, write to the Free Software
  17  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
  18  * USA
  19  */
  20
  21 #ifndef HEX_H
  22 #define HEX_H
  23
  24 char *hex(const uint8_t *ptr, size_t n);
  25 /* convert an octet-string to hex */
  26
  27 uint8_t *unhex(const char *s, size_t *np);
  28 /* convert a hex string back to an octet string */
  29
  30 int unhexdigit(int c);
  31 /* if @c@ is a hex digit, return its value.  else return -1 and log an error. */
  32
  33 int unhexdigitq(int c);
  34 /* same as unhexdigit() but doesn't issue an error message */
  35
  36 #endif /* HEX_H */
  37
  38 /*
  39 Local Variables:
  40 c-basic-offset:2
  41 comment-column:40
  42 End:
  43 */
  44 /* arch-tag:fe1aee378d7330eb7a39283bfb195905 */