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/* $OpenBSD: isctype.c,v 1.12 2015/09/13 11:38:08 guenther Exp $ */ |
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/* |
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* Copyright (c) 1989 The Regents of the University of California. |
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* All rights reserved. |
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* (c) UNIX System Laboratories, Inc. |
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* All or some portions of this file are derived from material licensed |
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* to the University of California by American Telephone and Telegraph |
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* Co. or Unix System Laboratories, Inc. and are reproduced herein with |
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* the permission of UNIX System Laboratories, Inc. |
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* |
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* Redistribution and use in source and binary forms, with or without |
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* modification, are permitted provided that the following conditions |
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* are met: |
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* 1. Redistributions of source code must retain the above copyright |
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* notice, this list of conditions and the following disclaimer. |
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* 2. Redistributions in binary form must reproduce the above copyright |
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* notice, this list of conditions and the following disclaimer in the |
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* documentation and/or other materials provided with the distribution. |
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* 3. Neither the name of the University nor the names of its contributors |
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* may be used to endorse or promote products derived from this software |
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* without specific prior written permission. |
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* |
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND |
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE |
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
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* SUCH DAMAGE. |
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*/ |
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#define _ANSI_LIBRARY |
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#include <ctype.h> |
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#include <stdio.h> |
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#undef isalnum |
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int |
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isalnum(int c) |
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{ |
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return (c == EOF ? 0 : ((_ctype_ + 1)[(unsigned char)c] & (_U|_L|_N))); |
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} |
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DEF_STRONG(isalnum); |
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#undef isalpha |
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int |
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isalpha(int c) |
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{ |
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return (c == EOF ? 0 : ((_ctype_ + 1)[(unsigned char)c] & (_U|_L))); |
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} |
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DEF_STRONG(isalpha); |
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#undef isblank |
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int |
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isblank(int c) |
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{ |
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return (c == ' ' || c == '\t'); |
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} |
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DEF_STRONG(isblank); |
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#undef iscntrl |
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int |
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iscntrl(int c) |
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{ |
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return (c == EOF ? 0 : ((_ctype_ + 1)[(unsigned char)c] & _C)); |
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} |
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DEF_STRONG(iscntrl); |
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#undef isdigit |
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int |
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isdigit(int c) |
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{ |
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return (c == EOF ? 0 : ((_ctype_ + 1)[(unsigned char)c] & _N)); |
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} |
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DEF_STRONG(isdigit); |
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#undef isgraph |
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int |
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isgraph(int c) |
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{ |
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return (c == EOF ? 0 : ((_ctype_ + 1)[(unsigned char)c] & (_P|_U|_L|_N))); |
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} |
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DEF_STRONG(isgraph); |
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#undef islower |
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int |
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islower(int c) |
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{ |
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return (c == EOF ? 0 : ((_ctype_ + 1)[(unsigned char)c] & _L)); |
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} |
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DEF_STRONG(islower); |
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#undef isprint |
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int |
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isprint(int c) |
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{ |
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return (c == EOF ? 0 : ((_ctype_ + 1)[(unsigned char)c] & (_P|_U|_L|_N|_B))); |
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} |
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DEF_STRONG(isprint); |
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#undef ispunct |
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int |
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ispunct(int c) |
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{ |
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return (c == EOF ? 0 : ((_ctype_ + 1)[(unsigned char)c] & _P)); |
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} |
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DEF_STRONG(ispunct); |
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#undef isspace |
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int |
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isspace(int c) |
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{ |
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return (c == EOF ? 0 : ((_ctype_ + 1)[(unsigned char)c] & _S)); |
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} |
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DEF_STRONG(isspace); |
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#undef isupper |
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int |
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isupper(int c) |
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{ |
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return (c == EOF ? 0 : ((_ctype_ + 1)[(unsigned char)c] & _U)); |
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} |
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DEF_STRONG(isupper); |
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#undef isxdigit |
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int |
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isxdigit(int c) |
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{ |
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return (c == EOF ? 0 : ((_ctype_ + 1)[(unsigned char)c] & (_N|_X))); |
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} |
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DEF_STRONG(isxdigit); |
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#undef isascii |
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int |
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isascii(int c) |
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{ |
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return ((unsigned int)c <= 0177); |
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} |
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DEF_WEAK(isascii); |
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#undef toascii |
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int |
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toascii(int c) |
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{ |
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return (c & 0177); |
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} |
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#undef _toupper |
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int |
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_toupper(int c) |
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{ |
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return (c - 'a' + 'A'); |
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} |
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#undef _tolower |
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int |
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_tolower(int c) |
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{ |
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return (c - 'A' + 'a'); |
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} |