Move line-buffering setup to OS specific files.

Move line-buffering setup to OS specific files.
Signed-off-by: NJes Sorensen <Jes.Sorensen@redhat.com>
Acked-by: NJuan Quintela <quintela@redhat.com>
Acked-by: NRichard Henderson <rth@redhat.com>
Signed-off-by: NBlue Swirl <blauwirbel@gmail.com>

os-posix.c

@@ -298,3 +298,8 @@ void os_pidfile_error(void)
     } else
         fprintf(stderr, "Could not acquire pid file: %s\n", strerror(errno));
 }
+
+void os_set_line_buffering(void)
+{
+    setvbuf(stdout, NULL, _IOLBF, 0);
+}

qemu-os-posix.h

@@ -30,6 +30,7 @@ static inline void os_host_main_loop_wait(int *timeout)
 {
 }
 
+void os_set_line_buffering(void);
 void os_setup_signal_handling(void);
 void os_daemonize(void);
 void os_setup_post(void);

qemu-os-win32.h

@@ -45,5 +45,7 @@ void os_host_main_loop_wait(int *timeout);
 static inline void os_setup_signal_handling(void) {}
 static inline void os_daemonize(void) {}
 static inline void os_setup_post(void) {}
+/* Win32 doesn't support line-buffering and requires size >= 2 */
+static inline void os_set_line_buffering(void) {}
 
 #endif

vl.c

@@ -3215,10 +3215,7 @@ int main(int argc, char **argv, char **envp)
         exit(1);
     }
 
-#ifndef _WIN32
-    /* Win32 doesn't support line-buffering and requires size >= 2 */
-    setvbuf(stdout, NULL, _IOLBF, 0);
-#endif
+    os_set_line_buffering();
 
     if (init_timer_alarm() < 0) {
         fprintf(stderr, "could not initialize alarm timer\n");