(unknown)

[Chris Gregory <czipperz@gmail.com>]

Here is another patch that does more of this.
-- 
Chris Gregory

diff --git a/src/eval.c b/src/eval.c
index e50e26a..9e1d612 100644
--- a/src/eval.c
+++ b/src/eval.c
@@ -1313,20 +1313,12 @@ internal_condition_case (Lisp_Object (*bfun) (void), Lisp_Object handlers,
 			 Lisp_Object (*hfun) (Lisp_Object))
 {
   struct handler *c = push_handler (handlers, CONDITION_CASE);
-  if (sys_setjmp (c->jmp))
-    {
-      Lisp_Object val = handlerlist->val;
-      clobbered_eassert (handlerlist == c);
-      handlerlist = handlerlist->next;
-      return hfun (val);
-    }
-  else
-    {
-      Lisp_Object val = bfun ();
-      clobbered_eassert (handlerlist == c);
-      handlerlist = handlerlist->next;
-      return val;
-    }
+  bool is_returning = sys_setjmp (c->jmp);
+  Lisp_Object val = is_returning ? handlerlist->val : bfun ();
+
+  clobbered_eassert (handlerlist == c);
+  handlerlist = handlerlist->next;
+  return is_returning ? hfun (val) : val;
 }
 
 /* Like internal_condition_case but call BFUN with ARG as its argument.  */
@@ -1364,20 +1356,12 @@ internal_condition_case_2 (Lisp_Object (*bfun) (Lisp_Object, Lisp_Object),
 			   Lisp_Object (*hfun) (Lisp_Object))
 {
   struct handler *c = push_handler (handlers, CONDITION_CASE);
-  if (sys_setjmp (c->jmp))
-    {
-      Lisp_Object val = handlerlist->val;
-      clobbered_eassert (handlerlist == c);
-      handlerlist = handlerlist->next;
-      return hfun (val);
-    }
-  else
-    {
-      Lisp_Object val = bfun (arg1, arg2);
-      clobbered_eassert (handlerlist == c);
-      handlerlist = handlerlist->next;
-      return val;
-    }
+  bool is_returning = sys_setjmp (c->jmp);
+  Lisp_Object val = is_returning ? handlerlist->val : bfun (arg1, arg2);
+
+  clobbered_eassert (handlerlist == c);
+  handlerlist = handlerlist->next;
+  return is_returning ? hfun (val) : val;
 }
 
 /* Like internal_condition_case but call BFUN with NARGS as first,
@@ -1393,20 +1377,12 @@ internal_condition_case_n (Lisp_Object (*bfun) (ptrdiff_t, Lisp_Object *),
 						Lisp_Object *args))
 {
   struct handler *c = push_handler (handlers, CONDITION_CASE);
-  if (sys_setjmp (c->jmp))
-    {
-      Lisp_Object val = handlerlist->val;
-      clobbered_eassert (handlerlist == c);
-      handlerlist = handlerlist->next;
-      return hfun (val, nargs, args);
-    }
-  else
-    {
-      Lisp_Object val = bfun (nargs, args);
-      clobbered_eassert (handlerlist == c);
-      handlerlist = handlerlist->next;
-      return val;
-    }
+  bool is_returning = sys_setjmp (c->jmp);
+  Lisp_Object val = is_returning ? handlerlist->val : bfun (nargs, args);
+
+  clobbered_eassert (handlerlist == c);
+  handlerlist = handlerlist->next;
+  return is_returning ? hfun (val, nargs, args) : val;
 }
 
 struct handler *