1 /* 2 * Copyright (c) 1995, 1996, 1997 Kungliga Tekniska Högskolan 3 * (Royal Institute of Technology, Stockholm, Sweden). 4 * All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 13 * 2. Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in the 15 * documentation and/or other materials provided with the distribution. 16 * 17 * 3. Neither the name of the Institute 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 INSTITUTE 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 INSTITUTE 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 #include <config.h> 35 #include "roken.h" 36 #ifndef HAVE_GETTIMEOFDAY 37 38 #ifdef _WIN32 39 40 ROKEN_LIB_FUNCTION int ROKEN_LIB_CALL 41 gettimeofday (struct timeval *tp, void *ignore) 42 { 43 FILETIME ft; 44 ULARGE_INTEGER li; 45 ULONGLONG ull; 46 47 GetSystemTimeAsFileTime(&ft); 48 li.LowPart = ft.dwLowDateTime; 49 li.HighPart = ft.dwHighDateTime; 50 ull = li.QuadPart; 51 52 ull -= 116444736000000000i64; 53 ull /= 10i64; /* ull is now in microseconds */ 54 55 tp->tv_usec = (ull % 1000000i64); 56 tp->tv_sec = (ull / 1000000i64); 57 58 return 0; 59 } 60 61 #else 62 63 /* 64 * Simple gettimeofday that only returns seconds. 65 */ 66 ROKEN_LIB_FUNCTION int ROKEN_LIB_CALL 67 gettimeofday (struct timeval *tp, void *ignore) 68 { 69 time_t t; 70 71 t = time(NULL); 72 tp->tv_sec = (long) t; 73 tp->tv_usec = 0; 74 return 0; 75 } 76 77 #endif /* !_WIN32 */ 78 #endif 79