/usr/include/hidrd/item/long.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 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 | /** @file
* @brief HID report descriptor - long item
*
* Copyright (C) 2009 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: long.h 370 2010-04-28 09:24:33Z spb_nick $
*/
#ifndef __HIDRD_ITEM_LONG_H__
#define __HIDRD_ITEM_LONG_H__
#include <assert.h>
#include "hidrd/item/basic.h"
#ifdef __cplusplus
extern "C" {
#endif
#define HIDRD_ITEM_LONG_MIN_SIZE 3
#define HIDRD_ITEM_LONG_DATA_SIZE_MAX UINT8_MAX
#define HIDRD_ITEM_LONG_MAX_SIZE (HIDRD_ITEM_LONG_MIN_SIZE + \
HIDRD_ITEM_LONG_DATA_SIZE_MAX)
static inline bool
hidrd_item_long_valid_class(const hidrd_item *item)
{
return hidrd_item_basic_valid_class(item) &&
hidrd_item_basic_is_long(item);
}
static inline bool
hidrd_item_long_valid_inst(const hidrd_item *item)
{
assert(hidrd_item_long_valid_class(item));
return hidrd_item_basic_valid_inst(item);
}
static inline bool
hidrd_item_long_valid(const hidrd_item *item)
{
return hidrd_item_long_valid_class(item) &&
hidrd_item_long_valid_inst(item);
}
static inline hidrd_item *
hidrd_item_long_validate(hidrd_item *item)
{
assert(hidrd_item_long_valid(item));
return (hidrd_item *)item;
}
typedef uint8_t hidrd_item_long_tag;
static inline bool
hidrd_item_long_tag_valid(hidrd_item_long_tag tag)
{
(void)tag;
return true;
}
/** Data size */
typedef uint8_t hidrd_item_long_data_size;
static inline bool
hidrd_item_long_data_size_valid(hidrd_item_long_data_size size)
{
(void)size;
return true;
}
static inline hidrd_item_long_data_size
hidrd_item_long_get_data_size(const hidrd_item *item)
{
assert(hidrd_item_long_valid(item));
/* We promise not to change the item */
return ((uint8_t *)hidrd_item_basic_get_data((hidrd_item *)item))[0];
}
static inline hidrd_item *
hidrd_item_long_set_data_size(hidrd_item *item,
hidrd_item_long_data_size size)
{
assert(hidrd_item_long_valid(item));
assert(hidrd_item_long_data_size_valid(size));
((uint8_t *)hidrd_item_basic_get_data(item))[0] = size;
return item;
}
static inline hidrd_item_long_tag
hidrd_item_long_get_tag(const hidrd_item *item)
{
assert(hidrd_item_long_valid(item));
/* We promise not to change the item */
return ((uint8_t *)hidrd_item_basic_get_data((hidrd_item *)item))[1];
}
static inline hidrd_item *
hidrd_item_long_set_tag(hidrd_item *item, hidrd_item_long_tag tag)
{
assert(hidrd_item_long_valid(item));
((uint8_t *)hidrd_item_basic_get_data(item))[1] = tag;
return item;
}
/* Declare tag numeric string conversion functions */
HIDRD_NUM_CONV_DECLS(item_long_tag);
static inline void *
hidrd_item_long_get_data(hidrd_item *item)
{
assert(hidrd_item_long_valid(item));
return &((uint8_t *)hidrd_item_basic_get_data(item))[2];
}
static inline size_t
hidrd_item_long_get_size(const hidrd_item *item)
{
assert(hidrd_item_long_valid(item));
return HIDRD_ITEM_LONG_MIN_SIZE + hidrd_item_long_get_data_size(item);
}
static inline hidrd_item *
hidrd_item_long_init(hidrd_item *item,
hidrd_item_long_tag tag)
{
return hidrd_item_long_validate(
hidrd_item_long_set_tag(
hidrd_item_long_set_data_size(
hidrd_item_basic_init(item,
HIDRD_ITEM_BASIC_TYPE_LONG,
HIDRD_ITEM_BASIC_TAG_LONG,
HIDRD_ITEM_BASIC_DATA_SIZE_LONG),
0),
tag));
}
#ifdef __cplusplus
} /* extern "C" */
#endif
#endif /* __HIDRD_ITEM_LONG_H__ */
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