Add project files.

3rd-party/curl-7.52.1/tests/libtest/testutil.h

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+#ifndef HEADER_CURL_LIBTEST_TESTUTIL_H
+#define HEADER_CURL_LIBTEST_TESTUTIL_H
+/***************************************************************************
+ *                                  _   _ ____  _
+ *  Project                     ___| | | |  _ \| |
+ *                             / __| | | | |_) | |
+ *                            | (__| |_| |  _ <| |___
+ *                             \___|\___/|_| \_\_____|
+ *
+ * Copyright (C) 1998 - 2012, 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 https://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.
+ *
+ ***************************************************************************/
+#include "curl_setup.h"
+
+struct timeval tutil_tvnow(void);
+
+/*
+ * Make sure that the first argument (t1) is the more recent time and t2 is
+ * the older time, as otherwise you get a weird negative time-diff back...
+ *
+ * Returns: the time difference in number of milliseconds.
+ */
+long tutil_tvdiff(struct timeval t1, struct timeval t2);
+
+/*
+ * Same as tutil_tvdiff but with full usec resolution.
+ *
+ * Returns: the time difference in seconds with subsecond resolution.
+ */
+double tutil_tvdiff_secs(struct timeval t1, struct timeval t2);
+
+long tutil_tvlong(struct timeval t1);
+
+
+#endif  /* HEADER_CURL_LIBTEST_TESTUTIL_H */
+