/usr/include/hidrd/util/char.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 | /** @file
* @brief HID report descriptor - utilities - character operations
*
* 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: char.h 314 2010-03-27 19:37:48Z spb_nick $
*/
#ifndef __HIDRD_UTIL_CHAR_H__
#define __HIDRD_UTIL_CHAR_H__
#include <stdbool.h>
#include <ctype.h>
#ifdef __cplusplus
extern "C" {
#endif
/**
* Check if a character is a token character; only standard ASCII is
* supported.
*
* @param c Character to check.
*
* @return True if the character is a token character, false otherwise.
*/
static inline bool
hidrd_char_istkn(char c)
{
return (isalnum(c) || c == '_');
}
/**
* Check if a character is word character; only standard ASCII is supported.
*
* @param c Character to check.
*
* @return True if the character is a word character, false otherwise.
*/
static inline bool
hidrd_char_isword(char c)
{
/* XXX not quite sure about the character set */
return (isalnum(c) || c == '-' || c == '_');
}
/**
* Prototype for a character processing function; only standard ASCII is
* supported.
*
* @param c Character to process.
*
* @return Processed character.
*/
typedef char hidrd_char_proc_fn(char c);
/**
* Character uppercasing function.
*
* @param p Character to uppercase.
*
* @return Uppercased character
*/
extern char hidrd_char_uc(char c);
#ifdef __cplusplus
} /* extern "C" */
#endif
#endif /* __HIDRD_UTIL_CHAR_H__ */
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