sys-apps/groff/files/groff-1.20.1-Thtml-mem-leak.patch

https://bugs.gentoo.org/294045

From f68481cd98e1d8451dd16d6d1b1b3513110a5559 Mon Sep 17 00:00:00 2001
From: wl <wl>
Date: Fri, 10 Apr 2009 18:13:29 +0000
Subject: [PATCH] Fix a memory leak in troff for -Thtml.
 Reported by Urs Eggli <Urs.Eggli@zuerich.ch>.

* src/roff/troff/node.h (node::~node): Move to...
* src/roff/troff/node.cpp: Here.  Free `state' and `push_state'.
---
 ChangeLog               |    8 ++++++++
 src/roff/troff/node.cpp |   11 ++++++++++-
 src/roff/troff/node.h   |    4 ----
 3 files changed, 18 insertions(+), 5 deletions(-)

diff --git a/src/roff/troff/node.cpp b/src/roff/troff/node.cpp
index afe4998..58cf59a 100644
--- a/src/roff/troff/node.cpp
+++ b/src/roff/troff/node.cpp
@@ -1811,6 +1811,14 @@ void suppress_output_file::really_transparent_char(unsigned char)
 {
 }
 
+inline node::~node()
+{
+  if (state != 0)
+    delete state;
+  if (push_state != 0)
+    delete push_state;
+}
+
 /* glyphs, ligatures, kerns, discretionary breaks */
 
 class charinfo_node : public node {
@@ -4643,7 +4651,7 @@ void hline_node::tprint(troff_output_file *out)
   }
   else {
     hunits rem = x - w*i;
-    if (rem > H0)
+    if (rem > H0) {
       if (n->overlaps_horizontally()) {
 	if (out->is_on())
 	  n->tprint(out);
@@ -4651,6 +4659,7 @@ void hline_node::tprint(troff_output_file *out)
       }
       else
 	out->right(rem);
+    }
     while (--i >= 0)
       if (out->is_on())
 	n->tprint(out);
diff --git a/src/roff/troff/node.h b/src/roff/troff/node.h
index a598ae5..9850be2 100644
--- a/src/roff/troff/node.h
+++ b/src/roff/troff/node.h
@@ -132,10 +132,6 @@ inline node::node(node *n, statem *s, int divlevel)
     state = 0;
 }
 
-inline node::~node()
-{
-}
-
 // 0 means it doesn't, 1 means it does, 2 means it's transparent
 
 int node_list_ends_sentence(node *);
-- 
1.7.1.1