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/*-
* Copyright (c) 2012-2014 Dag-Erling Smørgrav
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. The name of the author may not be used to endorse or promote
* products derived from this software without specific prior written
* permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* $Id: openpam_ctype.h 890 2016-01-11 16:22:09Z des $
*/
#ifndef OPENPAM_CTYPE_H_INCLUDED
#define OPENPAM_CTYPE_H_INCLUDED
/*
* Evaluates to non-zero if the argument is a digit.
*/
#define is_digit(ch) \
(ch >= '0' && ch <= '9')
/*
* Evaluates to non-zero if the argument is a hex digit.
*/
#define is_xdigit(ch) \
((ch >= '0' && ch <= '9') || \
(ch >= 'a' && ch <= 'f') || \
(ch >= 'A' && ch <= 'F'))
/*
* Evaluates to non-zero if the argument is an uppercase letter.
*/
#define is_upper(ch) \
(ch >= 'A' && ch <= 'Z')
/*
* Evaluates to non-zero if the argument is a lowercase letter.
*/
#define is_lower(ch) \
(ch >= 'a' && ch <= 'z')
/*
* Evaluates to non-zero if the argument is a letter.
*/
#define is_letter(ch) \
(is_upper(ch) || is_lower(ch))
/*
* Evaluates to non-zero if the argument is a linear whitespace character.
* For the purposes of this macro, the definition of linear whitespace is
* extended to include the form feed and carraige return characters.
*/
#define is_lws(ch) \
(ch == ' ' || ch == '\t' || ch == '\f' || ch == '\r')
/*
* Evaluates to non-zero if the argument is a whitespace character.
*/
#define is_ws(ch) \
(is_lws(ch) || ch == '\n')
/*
* Evaluates to non-zero if the argument is a printable ASCII character.
* Assumes that the execution character set is a superset of ASCII.
*/
#define is_p(ch) \
(ch >= '!' && ch <= '~')
/*
* Returns non-zero if the argument belongs to the POSIX Portable Filename
* Character Set. Assumes that the execution character set is a superset
* of ASCII.
*/
#define is_pfcs(ch) \
(is_digit(ch) || is_letter(ch) || \
ch == '.' || ch == '_' || ch == '-')
#endif
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