From a9f212b09ddf1fe1c621cdb7f7ccb0357f659d7f Mon Sep 17 00:00:00 2001
From: Stef Walter <stef@memberwebs.com>
Date: Thu, 8 Sep 2005 00:12:44 +0000
Subject: Better checks for valid IO.

---
 common/smtppass.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/common/smtppass.h b/common/smtppass.h
index 9dbe935..d10bed1 100644
--- a/common/smtppass.h
+++ b/common/smtppass.h
@@ -77,7 +77,7 @@ typedef struct spio
 }
 spio_t;
 
-#define spio_valid(io)      ((io)->fd != -1)
+#define spio_valid(io)      ((io) && (io)->fd != -1)
 
 /* Setup the io structure (allocated elsewhere) */
 void spio_init(spio_t* io, const char* name);
-- 
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