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From mboxrd@z Thu Jan 1 00:00:00 1970
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Mon, 18 Mar 2019 03:01:04 -0500 (EST)
Date: Mon, 18 Mar 2019 03:01:04 -0500 (EST)
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From: schwarze@mandoc.bsd.lv
To: source@mandoc.bsd.lv
Subject: mandoc: fix a NULL pointer access on empty tbl(7) data cells that
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Log Message:
-----------
fix a NULL pointer access on empty tbl(7) data cells
that bentley@ found in syncthing-bep(7)
Modified Files:
--------------
mandoc:
tbl_term.c
Revision Data
-------------
Index: tbl_term.c
===================================================================
RCS file: /home/cvs/mandoc/mandoc/tbl_term.c,v
retrieving revision 1.69
retrieving revision 1.70
diff -Ltbl_term.c -Ltbl_term.c -u -p -r1.69 -r1.70
--- a/tbl_term.c
+++ b/tbl_term.c
@@ -629,7 +629,8 @@ tbl_hrule(struct termp *tp, const struct
lw = cpp == NULL || cpn == NULL ||
(cpn->pos != TBL_CELL_DOWN &&
- (dpn == NULL || strcmp(dpn->string, "\\^") != 0))
+ (dpn == NULL || dpn->string == NULL ||
+ strcmp(dpn->string, "\\^") != 0))
? hw : 0;
tbl_direct_border(tp, BHORIZ * lw,
col->width + col->spacing / 2);
@@ -675,7 +676,8 @@ tbl_hrule(struct termp *tp, const struct
rw = cpp == NULL || cpn == NULL ||
(cpn->pos != TBL_CELL_DOWN &&
- (dpn == NULL || strcmp(dpn->string, "\\^") != 0))
+ (dpn == NULL || dpn->string == NULL ||
+ strcmp(dpn->string, "\\^") != 0))
? hw : 0;
/* The line crossing at the end of this column. */
--
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