require non-negative timestamps

Author: pavel-kirienko

.clang-tidy

@@ -31,6 +31,9 @@ Checks: >-
   -misc-include-cleaner,
   -cppcoreguidelines-avoid-do-while,
   -*-magic-numbers,
+  -*-use-enum-class,
+  -*-use-trailing-return-type,
+  -*-deprecated-headers,
 CheckOptions:
   - key:   readability-function-cognitive-complexity.Threshold
     value: '99'

libudpard/udpard.h

@@ -35,6 +35,8 @@
 /// SPDX-License-Identifier: MIT
 /// Author: Pavel Kirienko <[email protected]>
 
+// ReSharper disable CppUnusedIncludeDirective
+
 #ifndef UDPARD_H_INCLUDED
 #define UDPARD_H_INCLUDED
 
@@ -69,6 +71,7 @@ extern "C"
 /// The library supports at most this many local redundant network interfaces.
 #define UDPARD_NETWORK_INTERFACE_COUNT_MAX 3U
 
+/// Timestamps supplied by the application must be non-negative monotonically increasing counts of microseconds.
 typedef int64_t udpard_us_t;
 
 #define UDPARD_PRIORITY_MAX 7U