/* * Copyright (c) 1983, 1985, 1991 Peter J. Nicklin. * Copyright (c) 1991 Version Technology. * All Rights Reserved. * * $License: VT.1.1 $ * 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) All advertising materials mentioning * features or use of this software must display the following * acknowledgement: ``This product includes software developed by * Version Technology.'' Neither the name of Version Technology nor * the name of Peter J. Nicklin may be used to endorse or promote * products derived from this software without specific prior written * permission. * * THIS SOFTWARE IS PROVIDED BY VERSION TECHNOLOGY ``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 VERSION TECHNOLOGY 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. * * Report problems and direct questions to nicklin@netcom.com * * $Header: macro.h,v 4.4 91/11/25 19:45:47 nicklin Exp $ * * General macro function definitions * * Author: Peter J. Nicklin */ #include "stringx.h" #undef CHDIR #define CHDIR(d) \ (chdir(d) == 0) /* change directory */ #undef DOTDIR #define DOTDIR(dp) \ (dp->d_name[0] == '.' && dp->d_name[1] == '\0') /* current directory? */ #undef DOTDOTDIR #define DOTDOTDIR(dp) \ (dp->d_name[0] == '.' && dp->d_name[1] == '.' && dp->d_name[2] == '\0') /* parent directory? */ #undef EQUAL #define EQUAL(s1,s2) \ (strcmp(s1,s2) == 0) /* string comparison */ #undef MIN #define MIN(a,b) \ (((a) < (b)) ? (a) : (b)) /* minimum of two values */ #undef MAX #define MAX(a,b) \ (((a) > (b)) ? (a) : (b)) /* maximum of two values */ #ifndef S_ISDIR #define S_ISDIR(m) \ ((m & S_IFMT) == S_IFDIR) /* test for directory */ #endif #undef WHITESPACE #define WHITESPACE(c) \ (c == ' ' || c == '\t') /* unseen space in a file */