From d9355d3e0fac58eab16684fed2715cc91f68d39e Mon Sep 17 00:00:00 2001
From: fujiwarat <takao.fujiwara1@gmail.com>
Date: Fri, 11 Feb 2022 10:28:18 +0900
Subject: [PATCH] src-util: set-face-underline is not available in xemacs Lisp

---
 src-util/anthy-unicode.el | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src-util/anthy-unicode.el b/src-util/anthy-unicode.el
index 14a9db4..902c7ac 100644
--- a/src-util/anthy-unicode.el
+++ b/src-util/anthy-unicode.el
@@ -74,7 +74,8 @@
 (defvar anthy-highlight-face nil)
 (defvar anthy-underline-face nil)
 (copy-face 'highlight 'anthy-highlight-face)
-(set-face-underline 'anthy-highlight-face t)
+(if (not (featurep 'xemacs))
+    (set-face-underline 'anthy-highlight-face t))
 (copy-face 'underline 'anthy-underline-face)
 
 ;;
-- 
2.33.1

From 255323305b3621286cc4025ac59fa7d37fa1e7ce Mon Sep 17 00:00:00 2001
From: fujiwarat <takao.fujiwara1@gmail.com>
Date: Fri, 6 May 2022 20:33:47 +0900
Subject: [PATCH] src-main/context.c: Code reviews

---
 src-main/context.c | 20 +++++++++++++++++++-
 1 file changed, 19 insertions(+), 1 deletion(-)

diff --git a/src-main/context.c b/src-main/context.c
index 20dde71..d84858c 100644
--- a/src-main/context.c
+++ b/src-main/context.c
@@ -451,7 +451,7 @@ anthy_get_nth_segment(struct segment_list *sl, int n)
       n < 0) {
     return NULL;
   }
-  for (i = 0, se = sl->list_head.next; i < n; i++, se = se->next);
+  for (i = 0, se = sl->list_head.next; (i < n) && se; i++, se = se->next);
   return se;
 }
 
@@ -499,6 +499,17 @@ get_change_state(struct anthy_context *ac)
   int i;
   for (i = 0; i < ac->seg_list.nr_segments; i++) {
     struct seg_ent *s = anthy_get_nth_segment(&ac->seg_list, i);
+    if (!ac->split_info.ce) {
+      anthy_log(0, "ac->split_info.ce is NULL %s:%d\n", __FILE__, __LINE__);
+      resize = 1;
+      break;
+    }
+    if (!s) {
+      anthy_log(0, "ac->seg_list %dth entry is NULL %s:%d\n",
+                i, __FILE__, __LINE__);
+      resize = 1;
+      continue;
+    }
     if (ac->split_info.ce[s->from].initial_seg_len != s->len) {
       resize = 1;
     }
@@ -538,6 +549,11 @@ write_history(int                   fd,
     struct seg_ent *s = anthy_get_nth_segment(&ac->seg_list, i);
     char *c;
     /**/
+    if (!s) {
+      anthy_log(0, "ac->seg_list %dth entry is NULL %s:%d\n",
+                i, __FILE__, __LINE__);
+      continue;
+    }
     if (s->committed < 0) {
       dprintf(fd, "?|");
       continue ;
@@ -647,9 +663,11 @@ print_segment(struct seg_ent *e)
 {
   int i;
 
+  assert(e);
   anthy_putxstr(&e->str);
   printf("(");
   for ( i = 0 ; i < e->nr_cands ; i++) {
+    assert(e->cands);
     anthy_print_candidate(e->cands[i]);
     printf(",");
   }
-- 
2.35.1