K 10
svn:author
V 3
imp
K 8
svn:date
V 27
2020-08-26T17:06:16.821551Z
K 7
svn:log
V 251
Make sbuf_setpos match the implementation.

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

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