| | 1 | /* |
| | 2 | * This file is part of DisOrder |
| | 3 | * Copyright (C) 2004, 2005, 2007, 2008 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 3 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, |
| | 11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| | 12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| | 13 | * GNU 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, see <http://www.gnu.org/licenses/>. |
| | 17 | */ |
| | 18 | /** @file lib/hex.h @brief Hexadecimal encoding and decoding */ |
| | 19 | |
| | 20 | #ifndef HEX_H |
| | 21 | #define HEX_H |
| | 22 | |
| | 23 | char *hex(const uint8_t *ptr, size_t n); |
| | 24 | /* convert an octet-string to hex */ |
| | 25 | |
| | 26 | uint8_t *unhex(const char *s, size_t *np); |
| | 27 | /* convert a hex string back to an octet string */ |
| | 28 | |
| | 29 | int unhexdigit(int c); |
| | 30 | /* if @c@ is a hex digit, return its value. else return -1 and log an error. */ |
| | 31 | |
| | 32 | int unhexdigitq(int c); |
| | 33 | /* same as unhexdigit() but doesn't issue an error message */ |
| | 34 | |
| | 35 | #endif /* HEX_H */ |
| | 36 | |
| | 37 | /* |
| | 38 | Local Variables: |
| | 39 | c-basic-offset:2 |
| | 40 | comment-column:40 |
| | 41 | End: |
| | 42 | */ |
~mdw / disorder / blame_incremental