/usr/include/hidrd/util/hex.h is in libhidrd0-dev 0.2.0-11.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 | /** @file
* @brief HID report descriptor - utilities - hexadecimal conversions
*
* Copyright (C) 2010 Nikolai Kondrashov
*
* This file is part of hidrd.
*
* Hidrd is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* Hidrd is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with hidrd; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*
* @author Nikolai Kondrashov <spbnick@gmail.com>
*
* @(#) $Id: hex.h 387 2010-04-30 11:51:09Z spb_nick $
*/
#ifndef __HIDRD_UTIL_HEX_H__
#define __HIDRD_UTIL_HEX_H__
#include <stddef.h>
#include <assert.h>
#include "hidrd/util/num.h"
#ifdef __cplusplus
extern "C" {
#endif
/**
* Parse a hexadecimal string into a buffer.
*
* @param buf Output buffer pointer.
* @param size Output buffer size.
* @param plen Location for number of read bytes; could be NULL.
* @param str Hex string to parse.
*
* @return True if parsed successfully and the data fit in the buffer, false
* otherwise.
*/
extern bool hidrd_hex_buf_from_str(void *buf,
size_t size,
size_t *plen,
const char *str);
/**
* Convert a buffer to a hexadecimal string.
*
* @param buf Pointer to buffer to format.
* @param size Size of the buffer to format.
*
* @return Dynamically allocated hexadecimal string, or NULL if failed to
* allocate memory.
*/
extern char *hidrd_hex_buf_to_str(const void *buf, size_t size);
/**
* Convert a buffer to a base-suffixed hexadecimal string.
*
* @param buf Pointer to buffer to format.
* @param size Size of the buffer to format.
*
* @return Dynamically allocated base-suffixed hexadecimal string, or NULL
* if failed to allocate memory.
*/
extern char *hidrd_hex_buf_to_sstr(const void *buf, size_t size);
#ifdef __cplusplus
} /* extern "C" */
#endif
#endif /* __HIDRD_UTIL_HEX_H__ */
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