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copy(9): clarify that copystr() does not return EFAULT

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The previous wording implied that copystr() could return EFAULT.

MFC after:	6 weeks
Sponsored by:	Dell EMC
This commit is contained in:
Eric van Gyzen 2017-06-15 21:34:43 +00:00
parent c8f53ac685
commit 58771f908d
1 changed files with 8 additions and 4 deletions
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12
share/man/man9/copy.9
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@ -34,7 +34,7 @@
.\"
.\" $FreeBSD$
.\"
.Dd July 9, 2011
.Dd June 15, 2017
.Dt COPY 9
.Os
.Sh NAME
@ -147,16 +147,20 @@ is
.Sh RETURN VALUES
The
.Nm
functions return 0 on success or
functions return 0 on success.
All but
.Fn copystr
return
.Er EFAULT
if a bad address is encountered.
In addition, the
The
.Fn copyin_nofault
and
.Fn copyout_nofault
functions return
.Er EFAULT
if a page fault occurs, and the
if a page fault occurs.
The
.Fn copystr
and
.Fn copyinstr