1 /* $OpenBSD: evutil.h,v 1.3 2010/04/22 08:16:44 nicm Exp $ */ 2 3 /* 4 * Copyright © 2013 5 * Thorsten “mirabilos” Glaser <tg@mirbsd.org> 6 * Copyright (c) 2007 Niels Provos <provos@citi.umich.edu> 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. The name of the author may not be used to endorse or promote products 18 * derived from this software without specific prior written permission. 19 * 20 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 21 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 22 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 23 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 24 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 25 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 26 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 27 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 28 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 29 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 30 */ 31 32 #ifndef _EVUTIL_H_ 33 #define _EVUTIL_H_ "$MirOS: src/lib/libevent/evutil.h,v 1.3 2013/10/31 20:06:30 tg Exp $" 34 35 /** @file evutil.h 36 37 Common convenience functions for cross-platform portability and 38 related socket manipulations. 39 40 */ 41 42 #ifdef __cplusplus 43 extern "C" { 44 #endif 45 46 #include <sys/types.h> 47 #include <sys/time.h> 48 49 #include <inttypes.h> 50 #include <stdarg.h> 51 #include <stdint.h> 52 53 #define ev_uint64_t uint64_t 54 #define ev_int64_t int64_t 55 #define ev_uint32_t uint32_t 56 #define ev_uint16_t uint16_t 57 #define ev_uint8_t uint8_t 58 59 int evutil_socketpair(int d, int type, int protocol, int sv[2]); 60 int evutil_make_socket_nonblocking(int sock); 61 62 #define EVUTIL_CLOSESOCKET(s) close(s) 63 #define EVUTIL_SOCKET_ERROR() (errno) 64 #define EVUTIL_SET_SOCKET_ERROR(errcode) \ 65 do { errno = (errcode); } while (0) 66 67 /* 68 * Manipulation functions for struct timeval 69 */ 70 #define evutil_timeradd(tvp, uvp, vvp) timeradd((tvp), (uvp), (vvp)) 71 #define evutil_timersub(tvp, uvp, vvp) timersub((tvp), (uvp), (vvp)) 72 #define evutil_timerclear(tvp) timerclear(tvp) 73 #define evutil_timercmp(tvp, uvp, cmp) timercmp((tvp), (uvp), cmp) 74 #define evutil_timerisset(tvp) timerisset(tvp) 75 76 /* big-int related functions */ 77 ev_int64_t evutil_strtoll(const char *s, char **endptr, int base); 78 79 #define evutil_gettimeofday(tv, tz) gettimeofday((tv), (tz)) 80 81 int evutil_snprintf(char *buf, size_t buflen, const char *format, ...) 82 #ifdef __GNUC__ 83 __attribute__((__format__(__printf__, 3, 4))) 84 #endif 85 ; 86 int evutil_vsnprintf(char *buf, size_t buflen, const char *format, va_list ap) 87 #ifdef __GNUC__ 88 __attribute__((__format__(__printf__, 3, 0))) 89 #endif 90 ; 91 92 #ifdef __cplusplus 93 } 94 #endif 95 96 #endif /* _EVUTIL_H_ */ 97