1 files changed, 63 insertions, 0 deletions
diff --git a/lib/nghttp2_time.c b/lib/nghttp2_time.c
new file mode 100644
index 0000000..947b544
--- /dev/null
+++ b/lib/nghttp2_time.c
@@ -0,0 +1,63 @@
+/*
+ * nghttp2 - HTTP/2 C Library
+ *
+ * Copyright (c) 2023 nghttp2 contributors
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining
+ * a copy of this software and associated documentation files (the
+ * "Software"), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, sublicense, and/or sell copies of the Software, and to
+ * permit persons to whom the Software is furnished to do so, subject to
+ * the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be
+ * included in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
+ * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
+ * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+ * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+#include "nghttp2_time.h"
+
+#ifdef HAVE_WINDOWS_H
+#  include <windows.h>
+#endif /* HAVE_WINDOWS_H */
+
+#include <time.h>
+
+#if !defined(HAVE_GETTICKCOUNT64) || defined(__CYGWIN__)
+static uint64_t time_now_sec(void) {
+  time_t t = time(NULL);
+
+  if (t == -1) {
+    return 0;
+  }
+
+  return (uint64_t)t;
+}
+#endif /* !HAVE_GETTICKCOUNT64 || __CYGWIN__ */
+
+#if defined(HAVE_GETTICKCOUNT64) && !defined(__CYGWIN__)
+uint64_t nghttp2_time_now_sec(void) { return GetTickCount64() / 1000; }
+#elif defined(HAVE_CLOCK_GETTIME) && defined(HAVE_DECL_CLOCK_MONOTONIC) &&     \
+    HAVE_DECL_CLOCK_MONOTONIC
+uint64_t nghttp2_time_now_sec(void) {
+  struct timespec tp;
+  int rv = clock_gettime(CLOCK_MONOTONIC, &tp);
+
+  if (rv == -1) {
+    return time_now_sec();
+  }
+
+  return (uint64_t)tp.tv_sec;
+}
+#else  /* (!HAVE_CLOCK_GETTIME || !HAVE_DECL_CLOCK_MONOTONIC) &&               \
+          (!HAVE_GETTICKCOUNT64 || __CYGWIN__)) */
+uint64_t nghttp2_time_now_sec(void) { return time_now_sec(); }
+#endif /* (!HAVE_CLOCK_GETTIME || !HAVE_DECL_CLOCK_MONOTONIC) &&               \
+         (!HAVE_GETTICKCOUNT64 || __CYGWIN__)) */