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-rw-r--r--Utilities/cmcurl/timeval.c116
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+/***************************************************************************
+ * _ _ ____ _
+ * Project ___| | | | _ \| |
+ * / __| | | | |_) | |
+ * | (__| |_| | _ <| |___
+ * \___|\___/|_| \_\_____|
+ *
+ * Copyright (C) 1998 - 2005, Daniel Stenberg, <daniel@haxx.se>, et al.
+ *
+ * This software is licensed as described in the file COPYING, which
+ * you should have received as part of this distribution. The terms
+ * are also available at http://curl.haxx.se/docs/copyright.html.
+ *
+ * You may opt to use, copy, modify, merge, publish, distribute and/or sell
+ * copies of the Software, and permit persons to whom the Software is
+ * furnished to do so, under the terms of the COPYING file.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ * $Id$
+ ***************************************************************************/
+
+#include "timeval.h"
+
+#ifndef HAVE_GETTIMEOFDAY
+
+#ifdef WIN32
+#include <mmsystem.h>
+
+static int gettimeofday(struct timeval *tp, void *nothing)
+{
+#ifdef WITHOUT_MM_LIB
+ SYSTEMTIME st;
+ time_t tt;
+ struct tm tmtm;
+ /* mktime converts local to UTC */
+ GetLocalTime (&st);
+ tmtm.tm_sec = st.wSecond;
+ tmtm.tm_min = st.wMinute;
+ tmtm.tm_hour = st.wHour;
+ tmtm.tm_mday = st.wDay;
+ tmtm.tm_mon = st.wMonth - 1;
+ tmtm.tm_year = st.wYear - 1900;
+ tmtm.tm_isdst = -1;
+ tt = mktime (&tmtm);
+ tp->tv_sec = tt;
+ tp->tv_usec = st.wMilliseconds * 1000;
+#else
+ /**
+ ** The earlier time calculations using GetLocalTime
+ ** had a time resolution of 10ms.The timeGetTime, part
+ ** of multimedia apis offer a better time resolution
+ ** of 1ms.Need to link against winmm.lib for this
+ **/
+ unsigned long Ticks = 0;
+ unsigned long Sec =0;
+ unsigned long Usec = 0;
+ Ticks = timeGetTime();
+
+ Sec = Ticks/1000;
+ Usec = (Ticks - (Sec*1000))*1000;
+ tp->tv_sec = Sec;
+ tp->tv_usec = Usec;
+#endif /* WITHOUT_MM_LIB */
+ (void)nothing;
+ return 0;
+}
+#else /* WIN32 */
+/* non-win32 version of Curl_gettimeofday() */
+static int gettimeofday(struct timeval *tp, void *nothing)
+{
+ (void)nothing; /* we don't support specific time-zones */
+ tp->tv_sec = (long)time(NULL);
+ tp->tv_usec = 0;
+ return 0;
+}
+#endif /* WIN32 */
+#endif /* HAVE_GETTIMEOFDAY */
+
+/* Return the current time in a timeval struct */
+struct timeval curlx_tvnow(void)
+{
+ struct timeval now;
+ (void)gettimeofday(&now, NULL);
+ return now;
+}
+
+/*
+ * Make sure that the first argument is the more recent time, as otherwise
+ * we'll get a weird negative time-diff back...
+ *
+ * Returns: the time difference in number of milliseconds.
+ */
+long curlx_tvdiff(struct timeval newer, struct timeval older)
+{
+ return (newer.tv_sec-older.tv_sec)*1000+
+ (newer.tv_usec-older.tv_usec)/1000;
+}
+
+/*
+ * Same as curlx_tvdiff but with full usec resolution.
+ *
+ * Returns: the time difference in seconds with subsecond resolution.
+ */
+double curlx_tvdiff_secs(struct timeval newer, struct timeval older)
+{
+ return (double)(newer.tv_sec-older.tv_sec)+
+ (double)(newer.tv_usec-older.tv_usec)/1000000.0;
+}
+
+/* return the number of seconds in the given input timeval struct */
+long Curl_tvlong(struct timeval t1)
+{
+ return t1.tv_sec;
+}