sudo/include/compat/charclass.h

/*
 * SPDX-License-Identifier: ISC
 *
 * Copyright (c) 2008, 2010 Todd C. Miller <Todd.Miller@sudo.ws>
 *
 * Permission to use, copy, modify, and distribute this software for any
 * purpose with or without fee is hereby granted, provided that the above
 * copyright notice and this permission notice appear in all copies.
 *
 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 */

/*
 * POSIX character class support for fnmatch() and glob().
 */
static struct cclass {
	const char *name;
	int (*isctype)(int);
} cclasses[] = {
	{ "alnum",	isalnum },
	{ "alpha",	isalpha },
	{ "blank",	isblank },
	{ "cntrl",	iscntrl },
	{ "digit",	isdigit },
	{ "graph",	isgraph },
	{ "lower",	islower },
	{ "print",	isprint },
	{ "punct",	ispunct },
	{ "space",	isspace },
	{ "upper",	isupper },
	{ "xdigit",	isxdigit },
	{ NULL,		NULL }
};

#define NCCLASSES	(nitems(cclasses) - 1)