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| author |   Ingo Schwarze <schwarze@openbsd.org> | 2015-10-30 18:53:54 +0000 |
|---|---|---|
| committer | Ingo Schwarze <schwarze@openbsd.org> | 2015-10-30 18:53:54 +0000 |
| commit | 86f7c723953672d317bade10fa45e919e6bec8ff (patch) | |
| tree | afece3a47cfe275f7a7d57dc21fa772fcec98432 /mdoc_state.c | |
| parent | 912db4b9792932105125cf0fbe472c889551fcfd (diff) | |
| download | mandoc-86f7c723953672d317bade10fa45e919e6bec8ff.tar.gz mandoc-86f7c723953672d317bade10fa45e919e6bec8ff.tar.zst mandoc-86f7c723953672d317bade10fa45e919e6bec8ff.zip | |
Do not access a NULL pointer when a .Bd macro has no arguments at all.
Bug reported by krw@.
Diffstat (limited to 'mdoc_state.c')
| -rw-r--r-- | mdoc_state.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/mdoc_state.c b/mdoc_state.c index 7fc76dcb..cbd73763 100644 --- a/mdoc_state.c +++ b/mdoc_state.c @@ -1,4 +1,4 @@ -/* $Id: mdoc_state.c,v 1.2 2015/10/21 23:51:11 schwarze Exp $ */ +/* $Id: mdoc_state.c,v 1.3 2015/10/30 18:53:54 schwarze Exp $ */ /* * Copyright (c) 2014, 2015 Ingo Schwarze <schwarze@openbsd.org> * @@ -195,6 +195,9 @@ state_bd(STATE_ARGS) (n->type != ROFFT_BODY || n->end != ENDBODY_NOT)) return; + if (n->parent->args == NULL) + return; + arg = n->parent->args->argv[0].arg; if (arg != MDOC_Literal && arg != MDOC_Unfilled) return; |