From 3e186c29bb4c911e133dfcfe00cb21cc1cbea87c Mon Sep 17 00:00:00 2001
From: gshapiro <gshapiro@FreeBSD.org>
Date: Wed, 30 May 2001 23:47:14 +0000
Subject: [PATCH] Correct the documentation for snprintf() and vsprintf() which
 actually return the number of characters that would have been in the new
 string.

Obtained from:	OpenBSD
MFC after:	3 days
---
 lib/libc/stdio/printf.3 | 13 ++++++++++++-
 1 file changed, 12 insertions(+), 1 deletion(-)

diff --git a/lib/libc/stdio/printf.3 b/lib/libc/stdio/printf.3
index 590c1c0bfddb..722f351ca3cb 100644
--- a/lib/libc/stdio/printf.3
+++ b/lib/libc/stdio/printf.3
@@ -118,7 +118,18 @@ These functions return
 the number of characters printed
 (not including the trailing
 .Ql \e0
-used to end output to strings).
+used to end output to strings),
+except for
+.Fn snprintf
+and
+.Fn vsnprintf ,
+which return the number of characters that would have been printed if the
+.Fa size
+were unlimited
+.Po
+again, not including the final
+.Ql \e0
+.Pc .
 .Pp
 .Fn Asprintf
 and