1 files changed, 81 insertions, 0 deletions
diff --git a/wsutil/time_util.h b/wsutil/time_util.h
new file mode 100644
index 0000000..6c2f52b
--- /dev/null
+++ b/wsutil/time_util.h
@@ -0,0 +1,81 @@
+/** @file
+ *
+ * Wireshark - Network traffic analyzer
+ * By Gerald Combs <gerald@wireshark.org>
+ * Copyright 1998 Gerald Combs
+ *
+ * SPDX-License-Identifier: GPL-2.0-or-later
+ */
+
+#ifndef __TIME_UTIL_H__
+#define __TIME_UTIL_H__
+
+#include <wireshark.h>
+#include <time.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif /* __cplusplus */
+
+/** Converts a broken down date representation, relative to UTC,
+ * to a timestamp
+ */
+WS_DLL_PUBLIC
+time_t mktime_utc(struct tm *tm);
+
+/** Validate the values in a time_t.
+ * Currently checks tm_year, tm_mon, tm_mday, tm_hour, tm_min, and tm_sec;
+ * disregards tm_wday, tm_yday, and tm_isdst.
+ *
+ * @param tm The struct tm to validate.
+ */
+WS_DLL_PUBLIC
+bool tm_is_valid(struct tm *tm);
+
+/** Fetch the process CPU time.
+ *
+ * Fetch the current process user and system CPU times, convert them to
+ * seconds, and store them in the provided parameters.
+ *
+ * @param user_time Seconds spent in user mode.
+ * @param sys_time Seconds spent in system (kernel) mode.
+ */
+WS_DLL_PUBLIC
+void get_resource_usage(double *user_time, double *sys_time);
+
+/** Print the process CPU time followed by a log message.
+ *
+ * Print the current process user and system CPU times along with the times
+ * elapsed since the times were last reset.
+ *
+ * @param reset_delta Reset the delta times. This will typically be true when
+ * logging the first measurement and false thereafter.
+ * @param format Printf-style format string. Passed to g_string_vprintf.
+ * @param ... Parameters for the format string.
+ */
+WS_DLL_PUBLIC
+void log_resource_usage(bool reset_delta, const char *format, ...);
+
+/**
+ * Fetch the number of microseconds since midnight (0 hour), January 1, 1970.
+ */
+WS_DLL_PUBLIC
+uint64_t create_timestamp(void);
+
+WS_DLL_PUBLIC
+void ws_tzset(void);
+
+WS_DLL_PUBLIC
+struct timespec *ws_clock_get_realtime(struct timespec *ts);
+
+WS_DLL_PUBLIC
+struct tm *ws_localtime_r(const time_t *timep, struct tm *result);
+
+WS_DLL_PUBLIC
+struct tm *ws_gmtime_r(const time_t *timep, struct tm *result);
+
+#ifdef __cplusplus
+}
+#endif /* __cplusplus */
+
+#endif /* __TIME_UTIL_H__ */