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Clarify that memset_s(3) requires __STDC_WANT_LIB_EXT1__ for visibility.

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Fix typos and other nits.

Submitted by:	Yuri Pankov <yuripv@yuripv.net>
MFC after:	3 days
Differential revision:	https://reviews.freebsd.org/D16797
This commit is contained in:
kib 2018-08-19 14:25:28 +00:00
parent 53df9847c8
commit 8078dbdbb3
1 changed files with 5 additions and 5 deletions
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8
lib/libc/string/memset.3
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@ -32,7 +32,7 @@
.\" @(#)memset.3 8.1 (Berkeley) 6/4/93
.\" $FreeBSD$
.\"
.Dd February 15, 2018
.Dd August 19, 2018
.Dt MEMSET 3
.Os
.Sh NAME
@ -44,6 +44,7 @@
.In string.h
.Ft void *
.Fn memset "void *dest" "int c" "size_t len"
.Fd #define __STDC_WANT_LIB_EXT1__ 1
.Ft errno_t
.Fn memset_s "void *dest" "rsize_t destsz" "int c" "rsize_t len"
.Sh DESCRIPTION
@ -82,7 +83,6 @@ or
is greater than
.Dv RSIZE_MAX ,
or
.Sp
.Fa len
is greater than
.Fa destsz
@ -93,7 +93,7 @@ Like
.Xr explicit_bzero 3 ,
.Fn memset_s
is not removed through Dead Store Elimination (DSE), making it useful for
clearing sensitve data.
clearing sensitive data.
In contrast
.Fn memset
function
@ -126,6 +126,6 @@ function
conforms to
.St -isoC .
.Fn memset_s
conforms to:
conforms to
.St -isoC-2011
K.3.7.4.1.