Ensure that all input bytes are ready to be read

p-gen · Oct 10, 2022 · 002f453 · 002f453
1 parent b332fef
commit 002f453
Showing 1 changed file with 3 additions and 3 deletions.
diff --git a/smenu.c b/smenu.c
@@ -2427,9 +2427,9 @@ get_scancode(unsigned char * s, size_t max)
   size_t         i = 1;
   struct termios original_ts, nowait_ts;
 
-  /* Flush non-transmitted, non-read input data. */
-  /* """"""""""""""""""""""""""""""""""""""""""" */
-  tcflush(0, TCIFLUSH);
+  /* Wait until all data has been transmitted to stdin. */
+  /* """""""""""""""""""""""""""""""""""""""""""""""""" */
+  tcdrain(0);
 
   if ((c = my_fgetc(stdin)) == EOF)
     return 0;