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| author | Ingo Schwarze <schwarze@openbsd.org> | 2015-08-30 19:00:14 +0000 |
|---|---|---|
| committer | Ingo Schwarze <schwarze@openbsd.org> | 2015-08-30 19:00:14 +0000 |
| commit | 5c7a2c6bb5d2ce6ece31f59b674ba5fe68726fa7 (patch) | |
| tree | 44803a8e172a29229bc0760b7582f4558690d159 /mdoc_html.c | |
| parent | 01c1e070bb9640567ef7f1b0e926135d634de07d (diff) | |
| download | mandoc-5c7a2c6bb5d2ce6ece31f59b674ba5fe68726fa7.tar.gz | |
If an .Fo macro lacks its mandatory argument, don't die on an assertion.
Bug found by jsg@ with afl.
Diffstat (limited to 'mdoc_html.c')
| -rw-r--r-- | mdoc_html.c | 5 |
1 files changed, 2 insertions, 3 deletions
diff --git a/mdoc_html.c b/mdoc_html.c index 42fe218b..29713752 100644 --- a/mdoc_html.c +++ b/mdoc_html.c @@ -1642,11 +1642,10 @@ mdoc_fo_pre(MDOC_ARGS) return(1); } - /* XXX: we drop non-initial arguments as per groff. */ + if (n->child == NULL) + return(0); - assert(n->child); assert(n->child->string); - PAIR_CLASS_INIT(&tag, "fname"); t = print_otag(h, TAG_B, 1, &tag); print_text(h, n->child->string); |