correct return values

1 files changed, 13 insertions, 12 deletions

diff --git a/lib/libc/stdio/printf.3 b/lib/libc/stdio/printf.3
index ce49b321ecc..100c89e0b45 100644
--- a/lib/libc/stdio/printf.3
+++ b/lib/libc/stdio/printf.3
@@ -1,4 +1,4 @@
-.\"	$OpenBSD: printf.3,v 1.27 2000/04/25 15:15:10 espie Exp $
+.\"	$OpenBSD: printf.3,v 1.28 2000/06/25 13:52:30 pjanzen Exp $
 .\"
 .\" Copyright (c) 1990, 1991, 1993
 .\"	The Regents of the University of California.  All rights reserved.
@@ -122,7 +122,18 @@ are converted for output.
 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
@@ -138,16 +149,6 @@ will return \-1 and set
 .Fa ret
 to be a null pointer.
 .Pp
-If
-.Fn asprintf
-or
-.Fn vasprintf
-are given a
-.Fa size
-of 0, they set
-.Fa ret
-to be a null pointer.
-.Pp
 .Fn snprintf
 and
 .Fn vsnprintf