win32 doesn't support line buffering with setvbuf() properly, so for win32

lets just set it to no-buffering for logs.

svn path=/trunk/log/; revision=4381

src/log/log.c

@@ -103,7 +103,7 @@ int log_open(const char *filename)
     ret = log_open_file(file);
 
 	if(ret >= 0)
-        setvbuf(file, NULL, _IOLBF, 0);
+        setvbuf(file, NULL, IO_BUFFER_TYPE, 0);
 
     return ret;
 }

src/log/log.h

@@ -9,6 +9,11 @@
 #define LOG_ENOTOPEN -4
 #define LOG_ENOTIMPL -5
 
+#ifdef _WIN32
+#define IO_BUFFER_TYPE _IONBF
+#else
+#define IO_BUFFER_TYPE _IOLBF
+#endif
 
 void log_initialize();
 int log_open_file(FILE *file);