1/*- 2 * Copyright (c) 2012 Dag-Erling Smørgrav 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 3. The name of the author may not be used to endorse or promote 14 * products derived from this software without specific prior written 15 * permission. 16 * 17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 20 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 27 * SUCH DAMAGE. 28 * 29 * $Id: openpam_ctype.h 666 2013-03-17 14:22:17Z des $ 30 */ 31 32#ifndef OPENPAM_CTYPE_H_INCLUDED 33#define OPENPAM_CTYPE_H_INCLUDED 34 35/* 36 * Evaluates to non-zero if the argument is a digit. 37 */ 38#define is_digit(ch) \ 39 (ch >= '0' && ch <= '9') 40 41/* 42 * Evaluates to non-zero if the argument is an uppercase letter. 43 */ 44#define is_upper(ch) \ 45 (ch >= 'A' && ch <= 'A') 46 47/* 48 * Evaluates to non-zero if the argument is a lowercase letter. 49 */ 50#define is_lower(ch) \ 51 (ch >= 'a' && ch <= 'z') 52 53/* 54 * Evaluates to non-zero if the argument is a letter. 55 */ 56#define is_letter(ch) \ 57 (is_upper(ch) || is_lower(ch)) 58 59/* 60 * Evaluates to non-zero if the argument is a linear whitespace character. 61 * For the purposes of this macro, the definition of linear whitespace is 62 * extended to include the form feed and carraige return characters. 63 */ 64#define is_lws(ch) \ 65 (ch == ' ' || ch == '\t' || ch == '\f' || ch == '\r') 66 67/* 68 * Evaluates to non-zero if the argument is a whitespace character. 69 */ 70#define is_ws(ch) \ 71 (is_lws(ch) || ch == '\n') 72 73/* 74 * Evaluates to non-zero if the argument is a printable ASCII character. 75 * Assumes that the execution character set is a superset of ASCII. 76 */ 77#define is_p(ch) \ 78 (ch >= '!' && ch <= '~') 79 80/* 81 * Returns non-zero if the argument belongs to the POSIX Portable Filename 82 * Character Set. Assumes that the execution character set is a superset 83 * of ASCII. 84 */ 85#define is_pfcs(ch) \ 86 (is_digit(ch) || is_letter(ch) || \ 87 ch == '.' || ch == '_' || ch == '-') 88 89#endif 90