1 /* $NetBSD: macros.h,v 1.2 2010/05/06 18:53:17 christos Exp $ */ 2 3 /* 4 * Id: macros.h,v 1.9 2004/01/23 18:56:43 vixie Exp 5 */ 6 7 /* 8 * Copyright (c) 2004 by Internet Systems Consortium, Inc. ("ISC") 9 * Copyright (c) 1997,2000 by Internet Software Consortium, Inc. 10 * 11 * Permission to use, copy, modify, and distribute this software for any 12 * purpose with or without fee is hereby granted, provided that the above 13 * copyright notice and this permission notice appear in all copies. 14 * 15 * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES 16 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF 17 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL ISC BE LIABLE FOR 18 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 19 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN 20 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT 21 * OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 22 */ 23 24 /* these are really immutable, and are 25 * defined for symbolic convenience only 26 * TRUE, FALSE, and ERR must be distinct 27 * ERR must be < OK. 28 */ 29 #define TRUE 1 30 #define FALSE 0 31 /* system calls return this on success */ 32 #define OK 0 33 /* or this on error */ 34 #define ERR (-1) 35 36 /* turn this on to get '-x' code */ 37 #ifndef DEBUGGING 38 #define DEBUGGING FALSE 39 #endif 40 41 #define INIT_PID 1 /* parent of orphans */ 42 #define READ_PIPE 0 /* which end of a pipe pair do you read? */ 43 #define WRITE_PIPE 1 /* or write to? */ 44 #define STDIN 0 /* what is stdin's file descriptor? */ 45 #define STDOUT 1 /* stdout's? */ 46 #define STDERR 2 /* stderr's? */ 47 #define ERROR_EXIT 1 /* exit() with this will scare the shell */ 48 #define OK_EXIT 0 /* exit() with this is considered 'normal' */ 49 #define MAX_FNAME 100 /* max length of internally generated fn */ 50 #define MAX_COMMAND 1000 /* max length of internally generated cmd */ 51 #define MAX_ENVSTR 1000 /* max length of envvar=value\0 strings */ 52 #define MAX_TEMPSTR 100 /* obvious */ 53 #define MAX_UNAME 33 /* max length of username, should be overkill */ 54 #define ROOT_UID 0 /* don't change this, it really must be root */ 55 #define ROOT_USER "root" /* ditto */ 56 57 /* NOTE: these correspond to DebugFlagNames, 58 * defined below. 59 */ 60 #define DEXT 0x0001 /* extend flag for other debug masks */ 61 #define DSCH 0x0002 /* scheduling debug mask */ 62 #define DPROC 0x0004 /* process control debug mask */ 63 #define DPARS 0x0008 /* parsing debug mask */ 64 #define DLOAD 0x0010 /* database loading debug mask */ 65 #define DMISC 0x0020 /* misc debug mask */ 66 #define DTEST 0x0040 /* test mode: don't execute any commands */ 67 68 #define PPC_NULL ((const char **)NULL) 69 70 #ifndef MAXHOSTNAMELEN 71 #define MAXHOSTNAMELEN 64 72 #endif 73 74 #define Skip_Blanks(c, f) \ 75 while (c == '\t' || c == ' ') \ 76 c = get_char(f) 77 78 #define Skip_Nonblanks(c, f) \ 79 while (c!='\t' && c!=' ' && c!='\n' && c != EOF) \ 80 c = get_char(f) 81 82 #if DEBUGGING 83 # define Debug(mask, message) \ 84 if ((DebugFlags & (mask)) != 0) \ 85 printf message 86 #else /* !DEBUGGING */ 87 # define Debug(mask, message) do {} while (/*CONSTCOND*/0) 88 #endif /* DEBUGGING */ 89 90 #define Set_LineNum(ln) do { \ 91 Debug(DPARS|DEXT,("linenum=%d\n", ln)); \ 92 LineNumber = ln; \ 93 } while (/*CONSTCOND*/0) 94 95 #ifdef HAVE_TM_GMTOFF 96 #define get_gmtoff(c, t) ((t)->tm_gmtoff) 97 #endif 98 99 #define SECONDS_PER_MINUTE 60 100 #define SECONDS_PER_HOUR 3600 101 102 #define FIRST_MINUTE 0 103 #define LAST_MINUTE 59 104 #define MINUTE_COUNT (LAST_MINUTE - FIRST_MINUTE + 1) 105 106 #define FIRST_HOUR 0 107 #define LAST_HOUR 23 108 #define HOUR_COUNT (LAST_HOUR - FIRST_HOUR + 1) 109 110 #define FIRST_DOM 1 111 #define LAST_DOM 31 112 #define DOM_COUNT (LAST_DOM - FIRST_DOM + 1) 113 114 #define FIRST_MONTH 1 115 #define LAST_MONTH 12 116 #define MONTH_COUNT (LAST_MONTH - FIRST_MONTH + 1) 117 118 /* note on DOW: 0 and 7 are both Sunday, for compatibility reasons. */ 119 #define FIRST_DOW 0 120 #define LAST_DOW 7 121 #define DOW_COUNT (LAST_DOW - FIRST_DOW + 1) 122 123 /* 124 * Because crontab/at files may be owned by their respective users we 125 * take extreme care in opening them. If the OS lacks the O_NOFOLLOW 126 * we will just have to live without it. In order for this to be an 127 * issue an attacker would have to subvert group CRON_GROUP. 128 */ 129 #ifndef O_NOFOLLOW 130 #define O_NOFOLLOW 0 131 #endif 132