From a6b3238f419e5f5ccc08dd86121c357264e54987 Mon Sep 17 00:00:00 2001
From: forsyth <forsyth@vitanuova.com>
Date: Tue, 24 Apr 2012 15:59:48 +0100
Subject: 20120424-1559

---
 libbio/bprint.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

(limited to 'libbio')

diff --git a/libbio/bprint.c b/libbio/bprint.c
index 6e21e444..26870024 100644
--- a/libbio/bprint.c
+++ b/libbio/bprint.c
@@ -14,12 +14,13 @@ Bprint(Biobuf *bp, char *fmt, ...)
 	out = vseprint(ip, ep, fmt, ap);
 	va_end(ap);
 	if(out == nil || out >= ep-5) {
-		Bflush(bp);
+		if(Bflush(bp) < 0)
+			return Beof;
 		ip = ep + bp->ocount;
 		va_start(ap, fmt);
 		out = vseprint(ip, ep, fmt, ap);
 		va_end(ap);
-		if(out >= ep-5)
+		if(out == nil || out >= ep-5)
 			return Beof;
 	}
 	n = out-ip;
-- 
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