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authorIngo Schwarze <schwarze@cvs.openbsd.org>2022-04-24 13:34:54 +0000
committerIngo Schwarze <schwarze@cvs.openbsd.org>2022-04-24 13:34:54 +0000
commit04d198e5b66cf644f9fbb2ac1d70f4498d13b6c3 (patch)
tree03e1a12597089f9ee2c3cde84249428c0382572c /usr.bin/mandoc/mandoc_msg.c
parent55c1309fa3a9c1f4e5a4acad95f6ed6dd4da35d3 (diff)
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 'usr.bin/mandoc/mandoc_msg.c')
-rw-r--r--usr.bin/mandoc/mandoc_msg.c5
1 files changed, 3 insertions, 2 deletions
diff --git a/usr.bin/mandoc/mandoc_msg.c b/usr.bin/mandoc/mandoc_msg.c
index a3897c65247..ec1dab993ce 100644
--- a/usr.bin/mandoc/mandoc_msg.c
+++ b/usr.bin/mandoc/mandoc_msg.c
@@ -1,6 +1,6 @@
-/* $OpenBSD: mandoc_msg.c,v 1.14 2021/08/14 13:51:46 schwarze Exp $ */
+/* $OpenBSD: mandoc_msg.c,v 1.15 2022/04/24 13:34:53 schwarze Exp $ */
/*
- * Copyright (c) 2014-2021 Ingo Schwarze <schwarze@openbsd.org>
+ * Copyright (c) 2014-2022 Ingo Schwarze <schwarze@openbsd.org>
* Copyright (c) 2010, 2011 Kristaps Dzonsons <kristaps@bsd.lv>
*
* Permission to use, copy, modify, and distribute this software for any
@@ -214,6 +214,7 @@ static const char *const type_message[MANDOCERR_MAX] = {
"escaped character not allowed in a name",
"using macro argument outside macro",
"argument number is not numeric",
+ "negative argument, using 0",
"NOT IMPLEMENTED: Bd -file",
"skipping display without arguments",
"missing list type, using -item",