ircd: Move smalldate() to date.h from logger unit.

include/ircd/date.h

@@ -48,6 +48,10 @@ namespace ircd
 	string_view timef(const mutable_buffer &out, const char *const &fmt = rfc7231_fmt);
 	template<size_t max = 128, class... args> std::string timestr(args&&...);
 
+	// Other tools
+	string_view smalldate(const mutable_buffer &buf, const time_t &ltime);
+
+	// Interface conveniences.
 	std::ostream &operator<<(std::ostream &, const microtime_t &);
 	std::ostream &operator<<(std::ostream &, const system_point &);
 	template<class rep, class period> std::ostream &operator<<(std::ostream &, const duration<rep, period> &);
@@ -78,6 +82,28 @@ ircd::operator<<(std::ostream &s, const microtime_t &t)
 	return s;
 }
 
+inline ircd::string_view
+ircd::smalldate(const mutable_buffer &buf,
+                const time_t &ltime)
+{
+	struct tm lt;
+	localtime_r(&ltime, &lt);
+	const auto len
+	{
+		::snprintf(data(buf), size(buf), "%d/%d/%d %02d.%02d",
+		           lt.tm_year + 1900,
+		           lt.tm_mon + 1,
+		           lt.tm_mday,
+		           lt.tm_hour,
+		           lt.tm_min)
+	};
+
+	return
+	{
+		data(buf), size_t(len)
+	};
+}
+
 /// timestr() is a passthru to timef() where you don't give the first argument
 /// (the mutable_buffer). Instead of supplying a buffer an allocated
 /// std::string is returned with the result. By default this string's buffer

include/ircd/logger.h

@@ -16,11 +16,6 @@
 #undef ERROR
 #endif
 
-namespace ircd
-{
-	const char *smalldate(const time_t &);
-}
-
 /// Logging system
 namespace ircd::log
 {

ircd/logger.cc

@@ -696,27 +696,6 @@ ircd::log::default_ansi
 	"\033[1;30;47m"_sv,       // DEBUG
 }};
 
-const char *
-ircd::smalldate(const time_t &ltime)
-{
-	static const size_t MAX_DATE_STRING
-	{
-		32 // maximum string length for a date string (ircd_defs.h)
-	};
-
-	struct tm lt;
-	localtime_r(&ltime, &lt);
-	thread_local char buf[MAX_DATE_STRING];
-	snprintf(buf, sizeof(buf), "%d/%d/%d %02d.%02d",
-	         lt.tm_year + 1900,
-	         lt.tm_mon + 1,
-	         lt.tm_mday,
-	         lt.tm_hour,
-	         lt.tm_min);
-
-	return buf;
-}
-
 bool
 ircd::log::is_conf_mask_console(const string_view &name)
 {