fixing some errors in logging functions

- removing warnings created by LOG_DBG() macro
- fixing syslog message error
- adding platform specific end of line

common/log.c

@@ -120,14 +120,14 @@ log_message(const unsigned int lvl, const char* msg, ...)
     return LOG_ERROR_FILE_NOT_OPEN;
   }
   
-  log_lvl2str(lvl, buff);
-  
   now_t = time(&now_t);
   now = localtime(&now_t);
   
-  snprintf(buff+8, 21, "[%.4d%.2d%.2d-%.2d:%.2d:%.2d] ", (now->tm_year)+1900, (now->tm_mon)+1, 
+  snprintf(buff, 21, "[%.4d%.2d%.2d-%.2d:%.2d:%.2d] ", (now->tm_year)+1900, (now->tm_mon)+1, 
            now->tm_mday, now->tm_hour, now->tm_min, now->tm_sec);
 
+  log_lvl2str(lvl, buff+20);
+
   va_start(ap, msg);
   len = vsnprintf(buff+28, LOG_BUFFER_SIZE, msg, ap);
   va_end(ap);
@@ -139,14 +139,24 @@ log_message(const unsigned int lvl, const char* msg, ...)
   }  
   
   /* forcing the end of message string */
+  #ifdef _WIN32
     buff[len+28] = '\r';
     buff[len+29] = '\n';
     buff[len+30] = '\0';
+  #else
+    #ifdef _MACOS
+      buff[len+28] = '\r';
+      buff[len+29] = '\0';
+    #else
+      buff[len+28] = '\n';
+      buff[len+29] = '\0';
+    #endif
+  #endif
   
   if ( l_cfg->enable_syslog  && (lvl <= l_cfg->log_level) )
   {
     /* log to syslog */
-    syslog(log_xrdp2syslog(lvl), msg);
+    syslog(log_xrdp2syslog(lvl), buff+20);
   }
   
   if (lvl <= l_cfg->log_level)

common/log.h

@@ -49,7 +49,7 @@
 #ifdef DEBUG
   #define LOG_DBG(s,args...) log_message(LOG_LEVEL_DEBUG,s,args);
 #else
-  #define LOG_DBG  
+  #define LOG_DBG(s,args...)
 #endif
 
 struct log_config