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Make sbuf_setpos match the implementation.

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sbuf_setpos can only be used to truncate the buffer, never to make it
longer. Update the documentation to reflect this.

Reviewed By: allanjude, phk
Differential Revision: https://reviews.freebsd.org/D26198
This commit is contained in:
Warner Losh 2020-08-26 17:06:16 +00:00
parent 3971092e11
commit 513575d446
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=364824
1 changed files with 3 additions and 4 deletions
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7
share/man/man9/sbuf.9
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@ -25,7 +25,7 @@
.\"
.\" $FreeBSD$
.\"
.Dd August 7, 2019
.Dd August 26, 2020
.Dt SBUF 9
.Os
.Sh NAME
@ -370,9 +370,8 @@ function sets the
.Fa sbuf Ns 's
end position to
.Fa pos ,
which is a value between zero and one less than the size of the
storage buffer.
This effectively truncates the sbuf at the new position.
which is a value between zero and the current position in the buffer.
It can only truncate the sbuf to the new position.
.Pp
The
.Fn sbuf_bcat