clarify return values, prompted by moritz; ok moritz jmc

1 files changed, 8 insertions, 4 deletions

diff --git a/lib/libc/stdio/printf.3 b/lib/libc/stdio/printf.3
index 7a6cb1fd984..650af91b66e 100644
--- a/lib/libc/stdio/printf.3
+++ b/lib/libc/stdio/printf.3
@@ -1,4 +1,4 @@
-.\"	$OpenBSD: printf.3,v 1.52 2006/01/13 17:56:18 millert Exp $
+.\"	$OpenBSD: printf.3,v 1.53 2007/04/01 18:45:16 deraadt Exp $
 .\"
 .\" Copyright (c) 1990, 1991, 1993
 .\"	The Regents of the University of California.  All rights reserved.
@@ -537,14 +537,19 @@ In no case does a non-existent or small field width cause truncation of
 a field; if the result of a conversion is wider than the field width, the
 field is expanded to contain the conversion result.
 .Sh RETURN VALUES
+For all these functions if an output or encoding error occurs, a value
+of \-1 is returned.
+.Pp
 The
 .Fn printf ,
 .Fn fprintf ,
 .Fn sprintf ,
 .Fn vprintf ,
 .Fn vfprintf ,
+.Fn vsprintf ,
+.Fn asprintf ,
 and
-.Fn vsprintf
+.Fn vasprintf
 functions
 return the number of characters printed
 (not including the trailing
@@ -561,9 +566,8 @@ been output if the
 were unlimited
 .Po
 again, not including the final
-.Ql \e0
+.Ql \e0 .
 .Pc .
-If an output or encoding error occurs, a value of \-1 is returned instead.
 .Pp
 The
 .Fn asprintf