dtimezone(): Explain abs(3) is undefined on INT_MIN.

[nmh] / sbr / discard.c

diff --git a/sbr/discard.c b/sbr/discard.c
index 83b0bfbc0c5ee9d420f96fbbc9b636130ed7ccfb..a77240b71b17ac5538e4dafa0b41a85296071860 100644 (file)
--- a/sbr/discard.c
+++ b/sbr/discard.c
@@ -1,6 +1,4 @@
-
-/*
- * discard.c -- discard output on a file pointer
+/* discard.c -- discard output on a file pointer
  *
  * This code is Copyright (c) 2002, by the authors of nmh.  See the
  * COPYRIGHT file in the root directory of the nmh distribution for
@@ -11,16 +9,9 @@
 
 #include <termios.h>
 
-
 void
 discard (FILE *io)
 {
-    if (io == NULL)
-       return;
-
-    tcflush (fileno(io), TCOFLUSH);
-
-    /* There used to be an fpurge() here on some platforms, stdio
-       hackery on others.  But it didn't seem necessary. */
+    if (io)
+        tcflush (fileno(io), TCOFLUSH);
 }
-