Come up with a less macro-happy, even more portable log_fn implementation

svn:r331

src/common/log.c

@@ -42,36 +42,50 @@ size_t sev_to_string(char *buf, int max, int severity) {
   return strlen(buf)+1;
 }
 
-/* Outputs a message to stdout */
-void log(int severity, const char *format, ...)
+static void 
+logv(int severity, const char *funcname, const char *format, va_list ap)
 {
   static int loglevel = LOG_DEBUG;
   char buf[201];
   time_t t;
-  va_list ap;
   struct timeval now;
-
+  
   if (format) {
 
-    if(gettimeofday(&now,NULL) < 0)
+    if (severity > loglevel)
+      return;
+    if (gettimeofday(&now,NULL) < 0)
       return;
 
-    va_start(ap,format);
-  
-    if (severity <= loglevel)
-    {
-      t = time(NULL);
-      strftime(buf, 200, "%b %d %H:%M:%S", localtime(&t));
-      printf("%s.%.3ld ", buf, (long)now.tv_usec / 1000);
-      sev_to_string(buf, 200, severity);
-      printf("[%s] ", buf);
-      vprintf(format,ap);
-      printf("\n");
-    }
-    
-    va_end(ap);
-  }
-  else
+    t = time(NULL);
+    strftime(buf, 200, "%b %d %H:%M:%S", localtime(&t));
+    printf("%s.%.3ld ", buf, (long)now.tv_usec / 1000);
+    sev_to_string(buf, 200, severity);
+    printf("[%s] ", buf);
+    if (funcname)
+      printf("%s(): ", funcname);
+    vprintf(format,ap);
+    printf("\n");
+  } else
     loglevel = severity;
+
+}
+
+/* Outputs a message to stdout */
+void log(int severity, const char *format, ...)
+{
+  va_list ap;
+  va_start(ap,format);
+  logv(severity, NULL, format, ap);
+  va_end(ap);
 }
 
+void _log_fn(int severity, const char *fn, const char *format, ...)
+{
+  va_list ap;
+  va_start(ap,format);
+  logv(severity, fn, format, ap);
+  va_end(ap);
+}
+
+

src/common/log.h

@@ -13,16 +13,11 @@
 void log(int severity, const char *format, ...);
 
 #ifdef __GNUC__
-#ifdef __APPLE_CPP__
+void _log_fn(int severity, const char *funcname, const char *format, ...);
 #define log_fn(severity, args...) \
-  log((severity), __PRETTY_FUNCTION__ "(): " args)
-#else
-#define log_fn(severity, format, args...) \
-  log((severity), "%s(): " format, __PRETTY_FUNCTION__ , ##args)
-#endif
+  _log_fn(severity, __PRETTY_FUNCTION__, args)
 #else
 #define log_fn log
-#define log_fnf log
 #endif
 
 # define __LOG_H