Added support for syslog in FreeBSD

example/example.cpp

@@ -108,7 +108,7 @@ void async_example()
 //syslog example (linux/osx only)
 void syslog_example()
 {
-#if defined (__linux__) || defined(__APPLE__)
+#if defined (__linux__) || defined(__APPLE__)  || defined(__FreeBSD__)
     std::string ident = "spdlog-example";
     auto syslog_logger = spd::syslog_logger("syslog", ident, LOG_PID);
     syslog_logger->warn("This is warning that will end up in syslog. This is Linux only!");

include/spdlog/sinks/syslog_sink.h

-//
-// Copyright(c) 2015 Gabi Melman.
-// Distributed under the MIT License (http://opensource.org/licenses/MIT)
-//
-
-#pragma once
-
-#if defined(__linux__) || defined(__APPLE__)
-
-#include <spdlog/sinks/sink.h>
-#include <spdlog/common.h>
-#include <spdlog/details/log_msg.h>
-
-#include <array>
-#include <string>
-#include <syslog.h>
-
-
-namespace spdlog
-{
-namespace sinks
-{
-/**
- * Sink that write to syslog using the `syscall()` library call.
- *
- * Locking is not needed, as `syslog()` itself is thread-safe.
- */
-class syslog_sink : public sink
-{
-public:
-    //
-    syslog_sink(const std::string& ident = "", int syslog_option=0, int syslog_facility=LOG_USER):
-        _ident(ident)
-    {
-        _priorities[static_cast<int>(level::trace)] = LOG_DEBUG;
-        _priorities[static_cast<int>(level::debug)] = LOG_DEBUG;
-        _priorities[static_cast<int>(level::info)] = LOG_INFO;
-        _priorities[static_cast<int>(level::warn)] = LOG_WARNING;
-        _priorities[static_cast<int>(level::err)] = LOG_ERR;
-        _priorities[static_cast<int>(level::critical)] = LOG_CRIT;
-        _priorities[static_cast<int>(level::off)] = LOG_INFO;
-
-        //set ident to be program name if empty
-        ::openlog(_ident.empty()? nullptr:_ident.c_str(), syslog_option, syslog_facility);
-    }
-    ~syslog_sink()
-    {
-        ::closelog();
-    }
-
-    syslog_sink(const syslog_sink&) = delete;
-    syslog_sink& operator=(const syslog_sink&) = delete;
-
-    void log(const details::log_msg &msg) override
-    {
-        ::syslog(syslog_prio_from_level(msg), "%s", msg.raw.str().c_str());
-    }
-
-    void flush() override
-    {
-    }
-
-
-private:
-    std::array<int, 7> _priorities;
-    //must store the ident because the man says openlog might use the pointer as is and not a string copy
-    const std::string _ident;
-
-    //
-    // Simply maps spdlog's log level to syslog priority level.
-    //
-    int syslog_prio_from_level(const details::log_msg &msg) const
-    {
-        return _priorities[static_cast<int>(msg.level)];
-    }
-};
-}
-}
-
-#endif
+//
+// Copyright(c) 2015 Gabi Melman.
+// Distributed under the MIT License (http://opensource.org/licenses/MIT)
+//
+
+#pragma once
+
+#if defined(__linux__) || defined(__APPLE__) || defined(__FreeBSD__)
+
+#include <spdlog/sinks/sink.h>
+#include <spdlog/common.h>
+#include <spdlog/details/log_msg.h>
+
+#include <array>
+#include <string>
+#include <syslog.h>
+
+
+namespace spdlog
+{
+namespace sinks
+{
+/**
+ * Sink that write to syslog using the `syscall()` library call.
+ *
+ * Locking is not needed, as `syslog()` itself is thread-safe.
+ */
+class syslog_sink : public sink
+{
+public:
+    //
+    syslog_sink(const std::string& ident = "", int syslog_option=0, int syslog_facility=LOG_USER):
+        _ident(ident)
+    {
+        _priorities[static_cast<int>(level::trace)] = LOG_DEBUG;
+        _priorities[static_cast<int>(level::debug)] = LOG_DEBUG;
+        _priorities[static_cast<int>(level::info)] = LOG_INFO;
+        _priorities[static_cast<int>(level::warn)] = LOG_WARNING;
+        _priorities[static_cast<int>(level::err)] = LOG_ERR;
+        _priorities[static_cast<int>(level::critical)] = LOG_CRIT;
+        _priorities[static_cast<int>(level::off)] = LOG_INFO;
+
+        //set ident to be program name if empty
+        ::openlog(_ident.empty()? nullptr:_ident.c_str(), syslog_option, syslog_facility);
+    }
+    ~syslog_sink()
+    {
+        ::closelog();
+    }
+
+    syslog_sink(const syslog_sink&) = delete;
+    syslog_sink& operator=(const syslog_sink&) = delete;
+
+    void log(const details::log_msg &msg) override
+    {
+        ::syslog(syslog_prio_from_level(msg), "%s", msg.raw.str().c_str());
+    }
+
+    void flush() override
+    {
+    }
+
+
+private:
+    std::array<int, 7> _priorities;
+    //must store the ident because the man says openlog might use the pointer as is and not a string copy
+    const std::string _ident;
+
+    //
+    // Simply maps spdlog's log level to syslog priority level.
+    //
+    int syslog_prio_from_level(const details::log_msg &msg) const
+    {
+        return _priorities[static_cast<int>(msg.level)];
+    }
+};
+}
+}
+
+#endif