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PR/42237 CVS commit: src/usr.bin/less/less
The following reply was made to PR misc/42237; it has been noted by GNATS.
From: "David A. Holland" <dholland%netbsd.org@localhost>
Subject: PR/42237 CVS commit: src/usr.bin/less/less
Date: Mon, 14 Dec 2009 03:58:27 +0000
Module Name: src
Committed By: dholland
Date: Mon Dec 14 03:58:27 UTC 2009
Don't attempt to read or write ~/.lesshst if it's not a regular file
or a symlink to a regular file. Previously, symlinking to /dev/null
would cause less to trash /dev/null if run with sufficient privileges,
as seen in PR misc/42237.
While the official way to disable .lesshst is to set an environment
variable, that is problematic in some cases, such as single-user mode.
A safer way to prevent even an unpatched less from writing anything
out is to mkdir ~/.lesshst.
To generate a diff of this commit:
cvs rdiff -u -r1.7 -r1.8 src/usr.bin/less/less/cmdbuf.c
Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.
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