openpam_ctype.h revision 262530
1236099Sdes/*- 2236099Sdes * Copyright (c) 2012 Dag-Erling Sm��rgrav 3236099Sdes * All rights reserved. 4236099Sdes * 5236099Sdes * Redistribution and use in source and binary forms, with or without 6236099Sdes * modification, are permitted provided that the following conditions 7236099Sdes * are met: 8236099Sdes * 1. Redistributions of source code must retain the above copyright 9255376Sdes * notice, this list of conditions and the following disclaimer. 10236099Sdes * 2. Redistributions in binary form must reproduce the above copyright 11236099Sdes * notice, this list of conditions and the following disclaimer in the 12236099Sdes * documentation and/or other materials provided with the distribution. 13236099Sdes * 3. The name of the author may not be used to endorse or promote 14236099Sdes * products derived from this software without specific prior written 15236099Sdes * permission. 16236099Sdes * 17236099Sdes * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 18236099Sdes * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 19236099Sdes * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 20236099Sdes * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 21236099Sdes * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 22236099Sdes * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 23236099Sdes * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 24236099Sdes * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 25236099Sdes * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 26236099Sdes * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 27236099Sdes * SUCH DAMAGE. 28236099Sdes * 29255376Sdes * $Id: openpam_ctype.h 666 2013-03-17 14:22:17Z des $ 30236099Sdes */ 31236099Sdes 32236099Sdes#ifndef OPENPAM_CTYPE_H_INCLUDED 33236099Sdes#define OPENPAM_CTYPE_H_INCLUDED 34236099Sdes 35236099Sdes/* 36255376Sdes * Evaluates to non-zero if the argument is a digit. 37255376Sdes */ 38255376Sdes#define is_digit(ch) \ 39255376Sdes (ch >= '0' && ch <= '9') 40255376Sdes 41255376Sdes/* 42262530Sdes * Evaluates to non-zero if the argument is a hex digit. 43262530Sdes */ 44262530Sdes#define is_xdigit(ch) \ 45262530Sdes ((ch >= '0' && ch <= '9') || \ 46262530Sdes (ch >= 'a' && ch <= 'f') || \ 47262530Sdes (ch >= 'A' && ch <= 'F')) 48262530Sdes 49262530Sdes/* 50255376Sdes * Evaluates to non-zero if the argument is an uppercase letter. 51255376Sdes */ 52255376Sdes#define is_upper(ch) \ 53262530Sdes (ch >= 'A' && ch <= 'Z') 54255376Sdes 55255376Sdes/* 56255376Sdes * Evaluates to non-zero if the argument is a lowercase letter. 57255376Sdes */ 58255376Sdes#define is_lower(ch) \ 59255376Sdes (ch >= 'a' && ch <= 'z') 60255376Sdes 61255376Sdes/* 62255376Sdes * Evaluates to non-zero if the argument is a letter. 63255376Sdes */ 64255376Sdes#define is_letter(ch) \ 65255376Sdes (is_upper(ch) || is_lower(ch)) 66255376Sdes 67255376Sdes/* 68236099Sdes * Evaluates to non-zero if the argument is a linear whitespace character. 69236099Sdes * For the purposes of this macro, the definition of linear whitespace is 70236099Sdes * extended to include the form feed and carraige return characters. 71236099Sdes */ 72236099Sdes#define is_lws(ch) \ 73236099Sdes (ch == ' ' || ch == '\t' || ch == '\f' || ch == '\r') 74236099Sdes 75236099Sdes/* 76236099Sdes * Evaluates to non-zero if the argument is a whitespace character. 77236099Sdes */ 78236099Sdes#define is_ws(ch) \ 79236099Sdes (is_lws(ch) || ch == '\n') 80236099Sdes 81236099Sdes/* 82236099Sdes * Evaluates to non-zero if the argument is a printable ASCII character. 83236099Sdes * Assumes that the execution character set is a superset of ASCII. 84236099Sdes */ 85236099Sdes#define is_p(ch) \ 86236099Sdes (ch >= '!' && ch <= '~') 87236099Sdes 88236099Sdes/* 89236099Sdes * Returns non-zero if the argument belongs to the POSIX Portable Filename 90236099Sdes * Character Set. Assumes that the execution character set is a superset 91236099Sdes * of ASCII. 92236099Sdes */ 93236099Sdes#define is_pfcs(ch) \ 94255376Sdes (is_digit(ch) || is_letter(ch) || \ 95236099Sdes ch == '.' || ch == '_' || ch == '-') 96236099Sdes 97236099Sdes#endif 98