From: Gerd Moellmann <gerd@gnu.org>
Date: Mon, 23 Oct 2000 15:03:55 +0000 (+0000)
Subject: (emacs_blocked_free) [GC_MALLOC_CHECK]: Handle freeing
X-Git-Tag: emacs-pretest-21.0.90~661
X-Git-Url: http://git.eshelyaron.com/gitweb/?a=commitdiff_plain;h=a83fee2c5629b8c4c73f18043df72d2a4edd5ccd;p=emacs.git

(emacs_blocked_free) [GC_MALLOC_CHECK]: Handle freeing
null.
---

diff --git a/src/ChangeLog b/src/ChangeLog
index 3cb5ce46d45..8286648aca1 100644
--- a/src/ChangeLog
+++ b/src/ChangeLog
@@ -1,3 +1,10 @@
+2000-10-23  Gerd Moellmann  <gerd@gnu.org>
+
+	* xterm.c (x_connection_closed): Reset handling_signal.
+
+	* alloc.c (emacs_blocked_free) [GC_MALLOC_CHECK]: Handle freeing
+	null.
+
 2000-10-23  Miles Bader  <miles@gnu.org>
 
 	* window.c (window_scroll_pixel_based, window_scroll_line_based):
@@ -11,7 +18,7 @@
 	that when a font can't be exactly centered, it errs up rather than
 	down.
 
-2000-10-22 15:07:47  ShengHuo ZHU  <zsh@cs.rochester.edu>
+2000-10-22  ShengHuo ZHU  <zsh@cs.rochester.edu>
 
 	* fns.c (Fbase64_decode_string): The decoded result should be
 	unibyte.
@@ -21,7 +28,7 @@
 	* dispextern.h [macintosh]: Include macgui.h instead of macterm.h.
 
 	* dispnew.c [macintosh]: Include macterm.h.
-	(init_display) [macintosh]: initialization for window system.
+	(init_display) [macintosh]: Initialization for window system.
 
 	* emacs.c (main) [macintosh]: Call syms_of_textprop,
 	syms_of_macfns, syms_of_ccl, syms_of_fontset, syms_of_xterm,
diff --git a/src/alloc.c b/src/alloc.c
index 54c4b447fde..625dc14720f 100644
--- a/src/alloc.c
+++ b/src/alloc.c
@@ -655,22 +655,23 @@ emacs_blocked_free (ptr)
   BLOCK_INPUT;
 
 #ifdef GC_MALLOC_CHECK
-  {
-    struct mem_node *m;
+  if (ptr)
+    {
+      struct mem_node *m;
   
-    m = mem_find (ptr);
-    if (m == MEM_NIL || m->start != ptr)
-      {
-	fprintf (stderr,
-		 "Freeing `%p' which wasn't allocated with malloc\n", ptr);
-	abort ();
-      }
-    else
-      {
-	/* fprintf (stderr, "free %p...%p (%p)\n", m->start, m->end, ptr); */
-	mem_delete (m);
-      }
-  }
+      m = mem_find (ptr);
+      if (m == MEM_NIL || m->start != ptr)
+	{
+	  fprintf (stderr,
+		   "Freeing `%p' which wasn't allocated with malloc\n", ptr);
+	  abort ();
+	}
+      else
+	{
+	  /* fprintf (stderr, "free %p...%p (%p)\n", m->start, m->end, ptr); */
+	  mem_delete (m);
+	}
+    }
 #endif /* GC_MALLOC_CHECK */
   
   __free_hook = old_free_hook;