gbranden pushed a commit to branch master
in repository groff.
commit aeb33d8d139e7771830b7f799a801ee284f276bb
Author: G. Branden Robinson <[email protected]>
AuthorDate: Tue Dec 23 21:08:21 2025 -0600
src/roff/troff/node.cpp: Add `assert()`ion.
* src/roff/troff/node.cpp (glyph_node::add_self): Initialize local
pointer variable `nn` to `0`. Before returning, `assert(3)` that it
is no longer a null pointer.
---
ChangeLog | 6 ++++++
src/roff/troff/node.cpp | 3 ++-
2 files changed, 8 insertions(+), 1 deletion(-)
diff --git a/ChangeLog b/ChangeLog
index 6b334adfe..a9aedf720 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,9 @@
+2025-12-23 G. Branden Robinson <[email protected]>
+
+ * src/roff/troff/node.cpp (glyph_node::add_self): Initialize
+ local pointer variable `nn` to `0`. Before returning,
+ `assert(3)` that it is no longer a null pointer.
+
2025-12-23 G. Branden Robinson <[email protected]>
* src/roff/troff/input.cpp (token::is_usable_as_delimiter)
diff --git a/src/roff/troff/node.cpp b/src/roff/troff/node.cpp
index bae4c7415..769ea17ea 100644
--- a/src/roff/troff/node.cpp
+++ b/src/roff/troff/node.cpp
@@ -2169,7 +2169,7 @@ node *glyph_node::add_self(node *n, hyphen_list **p)
{
assert(ci->get_hyphenation_code() == (*p)->hyphenation_code);
next = 0 /* nullptr */;
- node *nn;
+ node *nn = 0 /* nullptr */;
if ((0 /* nullptr */ == n) ||
(0 /* nullptr */ == (nn = n->merge_glyph_node(this)))) {
next = n;
@@ -2180,6 +2180,7 @@ node *glyph_node::add_self(node *n, hyphen_list **p)
hyphen_list *pp = *p;
*p = (*p)->next;
delete pp;
+ assert(nn != 0 /* nullptr */);
return nn;
}
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