Add tmac fix from upstream #263524 by Horst Prote. Add memory fixes from upstream #294045 by Maurice van der Pot.

(Portage version: 2.2_rc67/cvs/Linux x86_64)

3 files changed, 203 insertions, 0 deletions

diff --git a/sys-apps/groff/files/groff-1.20.1-Thtml-mem-leak.patch b/sys-apps/groff/files/groff-1.20.1-Thtml-mem-leak.patch
new file mode 100644
index 000000000000..b95ed426280f
--- /dev/null
+++ b/sys-apps/groff/files/groff-1.20.1-Thtml-mem-leak.patch
@@ -0,0 +1,70 @@
+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
+
diff --git a/sys-apps/groff/files/groff-1.20.1-double-frees-mem-leaks.patch b/sys-apps/groff/files/groff-1.20.1-double-frees-mem-leaks.patch
new file mode 100644
index 000000000000..d618030443a2
--- /dev/null
+++ b/sys-apps/groff/files/groff-1.20.1-double-frees-mem-leaks.patch
@@ -0,0 +1,98 @@
+https://bugs.gentoo.org/294045
+
+From be095a293e09eae67254f59ce878b1a36233b447 Mon Sep 17 00:00:00 2001
+From: wl <wl>
+Date: Tue, 24 Nov 2009 13:32:17 +0000
+Subject: [PATCH] Fix double frees and memory leaks.
+
+* src/roff/troff/env.cpp (environment::make_tag): Use local object.
+* src/roff/troff/input.cpp (input_stack::check_end_diversion): Free
+`diversion_state' here.
+(interpolate_arg): Fix memory leaks.
+* src/roff/troff/mtsm.cpp (mtsm::pop_state): Don't free `sp->state'.
+---
+ ChangeLog                |   10 ++++++++++
+ src/roff/troff/env.cpp   |   13 +++++++------
+ src/roff/troff/input.cpp |    5 +++++
+ src/roff/troff/mtsm.cpp  |    2 --
+ 4 files changed, 22 insertions(+), 8 deletions(-)
+
+diff --git a/src/roff/troff/env.cpp b/src/roff/troff/env.cpp
+index 56bfe21..13672cc 100644
+--- a/src/roff/troff/env.cpp
++++ b/src/roff/troff/env.cpp
+@@ -2213,14 +2213,15 @@ node *environment::make_tag(const char *nm, int i)
+      */
+     if (curdiv == topdiv && topdiv->before_first_page)
+       topdiv->begin_page();
+-    macro *m = new macro;
+-    m->append_str("devtag:");
++
++    macro m;
++    m.append_str("devtag:");
+     for (const char *p = nm; *p; p++)
+       if (!invalid_input_char((unsigned char)*p))
+-	m->append(*p);
+-    m->append(' ');
+-    m->append_int(i);
+-    return new special_node(*m);
++	m.append(*p);
++    m.append(' ');
++    m.append_int(i);
++    return new special_node(m);
+   }
+   return 0;
+ }
+diff --git a/src/roff/troff/input.cpp b/src/roff/troff/input.cpp
+index 17d2451..7c816e8 100644
+--- a/src/roff/troff/input.cpp
++++ b/src/roff/troff/input.cpp
+@@ -531,6 +531,8 @@ void input_stack::check_end_diversion(input_iterator *t)
+ {
+   if (t->is_diversion) {
+     div_level--;
++    if (diversion_state)
++      delete diversion_state;
+     diversion_state = t->diversion_state;
+   }
+ }
+@@ -4398,6 +4400,7 @@ static void interpolate_arg(symbol nm)
+ 	  args += c;
+       if (i != limit)
+ 	args += ' ';
++      delete p;
+     }
+     if (limit > 0) {
+       args += '\0';
+@@ -4419,6 +4422,7 @@ static void interpolate_arg(symbol nm)
+       args += '"';
+       if (i != limit)
+ 	args += ' ';
++      delete p;
+     }
+     if (limit > 0) {
+       args += '\0';
+@@ -4438,6 +4442,7 @@ static void interpolate_arg(symbol nm)
+       }
+       if (input_stack::space_follows_arg(i))
+ 	args += ' ';
++      delete p;
+     }
+     if (limit > 0) {
+       args += '\0';
+diff --git a/src/roff/troff/mtsm.cpp b/src/roff/troff/mtsm.cpp
+index 83a6906..79e2f78 100644
+--- a/src/roff/troff/mtsm.cpp
++++ b/src/roff/troff/mtsm.cpp
+@@ -390,8 +390,6 @@ void mtsm::pop_state()
+ #endif
+     if (sp == 0)
+       fatal("empty state machine stack");
+-    if (sp->state)
+-      delete sp->state;
+     sp->state = 0;
+     stack *t = sp;
+     sp = sp->next;
+-- 
+1.7.1.1
+
diff --git a/sys-apps/groff/files/groff-1.20.1-tmac-ec.patch b/sys-apps/groff/files/groff-1.20.1-tmac-ec.patch
new file mode 100644
index 000000000000..20a15c6e21a7
--- /dev/null
+++ b/sys-apps/groff/files/groff-1.20.1-tmac-ec.patch
@@ -0,0 +1,35 @@
+https://bugs.gentoo.org/263524
+
+revision 1.40
+date: 2009-04-01 02:59:08 -0400;  author: wl;  state: Exp;  lines: +3 -3;  commitid: VIC1bezuXvKqxhIt;
+
+* tmac/doc.tmac: Call `ec' before mapping characters.
+
+Index: tmac/doc.tmac
+===================================================================
+RCS file: /sources/groff/groff/tmac/doc.tmac,v
+retrieving revision 1.39
+retrieving revision 1.40
+diff -u -p -r1.39 -r1.40
+--- tmac/doc.tmac	2 Jan 2009 23:16:20 -0000	1.39
++++ tmac/doc.tmac	1 Apr 2009 06:59:08 -0000	1.40
+@@ -6425,6 +6425,9 @@
+ .blm doc-empty-line
+ .
+ .
++.ec
++.
++.
+ .\" For UTF-8, map some characters conservatively for the sake
+ .\" of easy cut and paste.
+ .
+@@ -6438,9 +6441,6 @@
+ .\}
+ .
+ .
+-.ec
+-.
+-.
+ .\" load local modifications
+ .mso mdoc.local
+ .