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author | Ingo Schwarze <schwarze@openbsd.org> | 2022-04-24 13:38:46 +0000 |
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committer | Ingo Schwarze <schwarze@openbsd.org> | 2022-04-24 13:38:46 +0000 |
commit | 3b18ea9139a1bdd9183db6f3ac6d174ad93b3cb3 (patch) | |
tree | 45cef6947de3a407683fabc94f2ba1f4385da7fc /mandoc.1 | |
parent | c0ce7eb56abb536b1c8eaedec44f05b67e2bdf6a (diff) | |
download | mandoc-3b18ea9139a1bdd9183db6f3ac6d174ad93b3cb3.tar.gz mandoc-3b18ea9139a1bdd9183db6f3ac6d174ad93b3cb3.tar.zst mandoc-3b18ea9139a1bdd9183db6f3ac6d174ad93b3cb3.zip |
If a .shift request has a negative argument, do not use a negative array
index but use 0 instead of the argument, just like groff.
Warn about the invalid argument.
While here, fix the column number in another warning message.
Segfault reported by tb@, found with afl(1).
Diffstat (limited to 'mandoc.1')
-rw-r--r-- | mandoc.1 | 13 |
1 files changed, 10 insertions, 3 deletions
@@ -1,6 +1,6 @@ -.\" $Id: mandoc.1,v 1.256 2022/04/14 10:10:22 schwarze Exp $ +.\" $Id: mandoc.1,v 1.257 2022/04/24 13:38:46 schwarze Exp $ .\" -.\" Copyright (c) 2012, 2014-2021 Ingo Schwarze <schwarze@openbsd.org> +.\" Copyright (c) 2012, 2014-2022 Ingo Schwarze <schwarze@openbsd.org> .\" Copyright (c) 2009, 2010, 2011 Kristaps Dzonsons <kristaps@bsd.lv> .\" .\" Permission to use, copy, modify, and distribute this software for any @@ -15,7 +15,7 @@ .\" ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF .\" OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. .\" -.Dd $Mdocdate: April 14 2022 $ +.Dd $Mdocdate: April 24 2022 $ .Dt MANDOC 1 .Os .Sh NAME @@ -2082,6 +2082,13 @@ and expands to the empty string. .Pq roff The argument of the escape sequence \e$ is not a digit; the escape sequence expands to the empty string. +.It Sy "negative argument, using 0" +.Pq roff +A +.Ic \&shift +request has a negative argument +or an argument that is negative due to integer overflow. +Macro argument numbering remains unchanged. .It Sy "NOT IMPLEMENTED: Bd -file" .Pq mdoc For security reasons, the |