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Revision 1.2, Wed Apr 25 11:15:58 2018 UTC (6 years, 1 month ago) by dlg
Branch: MAIN
CVS Tags: OPENBSD_7_5_BASE, OPENBSD_7_5, OPENBSD_7_4_BASE, OPENBSD_7_4, OPENBSD_7_3_BASE, OPENBSD_7_3, OPENBSD_7_2_BASE, OPENBSD_7_2, OPENBSD_7_1_BASE, OPENBSD_7_1, OPENBSD_7_0_BASE, OPENBSD_7_0, OPENBSD_6_9_BASE, OPENBSD_6_9, OPENBSD_6_8_BASE, OPENBSD_6_8, OPENBSD_6_7_BASE, OPENBSD_6_7, OPENBSD_6_6_BASE, OPENBSD_6_6, OPENBSD_6_5_BASE, OPENBSD_6_5, OPENBSD_6_4_BASE, OPENBSD_6_4, HEAD
Changes since 1.1: +4 -4 lines 

use size_t for the size of buffers and strings, not int.

sprinkle some bounded attributes while here.

ok deraadt@

.\"	$OpenBSD: getsn.9,v 1.2 2018/04/25 11:15:58 dlg Exp $
.\"
.\" Copyright (c) 2002, 2003 CubeSoft Communications, Inc.
.\" <http://www.csoft.org>
.\"
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.\" modification, are permitted provided that the following conditions
.\" are met:
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.\"    notice, this list of conditions and the following disclaimer.
.\" 2. Redistributions in binary form must reproduce the above copyright
.\"    notice, this list of conditions and the following disclaimer in the
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.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
.\" IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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.\"
.Dd $Mdocdate: April 25 2018 $
.Dt GETSN 9
.Os
.Sh NAME
.Nm getsn
.Nd read user input from the console
.Sh SYNOPSIS
.In lib/libkern/libkern.h
.Ft size_t
.Fn getsn "char *cp" "size_t size"
.Sh DESCRIPTION
The
.Fn getsn
function reads user input from the console and returns on newline.
The result is written into
.Fa cp ,
which is assumed to be
.Fa size
bytes long.
.Sh RETURN VALUES
.Fn getsn
returns the total length of the string it tried to create.