1 /* $NetBSD: var.h,v 1.5 2007/06/06 15:37:15 vanhu Exp $ */ 2 3 /* Id: var.h,v 1.6 2004/11/20 16:16:59 monas Exp */ 4 5 /* 6 * Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project. 7 * All rights reserved. 8 * 9 * Redistribution and use in source and binary forms, with or without 10 * modification, are permitted provided that the following conditions 11 * are met: 12 * 1. Redistributions of source code must retain the above copyright 13 * notice, this list of conditions and the following disclaimer. 14 * 2. Redistributions in binary form must reproduce the above copyright 15 * notice, this list of conditions and the following disclaimer in the 16 * documentation and/or other materials provided with the distribution. 17 * 3. Neither the name of the project nor the names of its contributors 18 * may be used to endorse or promote products derived from this software 19 * without specific prior written permission. 20 * 21 * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND 22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 24 * ARE DISCLAIMED. IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE 25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 31 * SUCH DAMAGE. 32 */ 33 34 #ifndef _VAR_H 35 #define _VAR_H 36 37 #if !defined(_VAR_H_) 38 #define _VAR_H_ 39 40 #define MAX3(a, b, c) (a > b ? (a > c ? a : c) : (b > c ? b : c)) 41 42 #define ISSET(exp, bit) (((exp) & (bit)) == (bit)) 43 44 #define LALIGN(a) \ 45 ((a) > 0 ? ((a) &~ (sizeof(long) - 1)) : sizeof(long)) 46 47 #define RNDUP(a) \ 48 ((a) > 0 ? (1 + (((a) - 1) | (sizeof(long) - 1))) : sizeof(long)) 49 50 #define ARRAYLEN(a) (sizeof(a)/sizeof(a[0])) 51 52 #define BUFSIZE 5120 53 54 #ifndef FALSE 55 #define FALSE 0 56 #endif 57 #ifndef TRUE 58 #define TRUE 1 59 #endif 60 61 #ifdef ENABLE_STATS 62 #include <sys/time.h> 63 #endif 64 #include <sys/socket.h> 65 66 /* 67 * use of GETNAMEINFO(x, y, NULL) is not politically correct, 68 * as sizeof(NULL) would be 4, not 0. Also, gcc-3.4.2+ bombs on it. 69 * In such cases, use GETNAMEINFO_NULL(x, y) 70 */ 71 #include <sys/socket.h> 72 #include <netdb.h> 73 74 /* var.h is used from non-racoon code (like eaytest), so we can't use niflags */ 75 #define NIFLAGS (NI_NUMERICHOST | NI_NUMERICSERV) 76 77 #define GETNAMEINFO(x, y, z) \ 78 do { \ 79 if (getnameinfo((x), sysdep_sa_len(x), (y), sizeof(y), (z), sizeof(z), \ 80 NIFLAGS) != 0) { \ 81 if (y != NULL) \ 82 strncpy((y), "(invalid)", sizeof(y)); \ 83 if (z != NULL) \ 84 strncpy((z), "(invalid)", sizeof(z)); \ 85 } \ 86 } while (0); 87 88 #define GETNAMEINFO_NULL(x, y) \ 89 do { \ 90 if (getnameinfo((x), sysdep_sa_len(x), (y), sizeof(y), NULL, 0, \ 91 NIFLAGS) != 0) { \ 92 if (y != NULL) \ 93 strncpy((y), "(invalid)", sizeof(y)); \ 94 } \ 95 } while (0); 96 97 #include <sys/queue.h> 98 #ifndef LIST_FOREACH 99 #define LIST_FOREACH(elm, head, field) \ 100 for (elm = LIST_FIRST(head); elm; elm = LIST_NEXT(elm, field)) 101 #endif 102 103 #include "gcmalloc.h" 104 105 #endif /*!defined(_VAR_H_)*/ 106 107 #endif /* _VAR_H */ 108