Fix GC_MALLOC_CHECK debugging output on 64-bit hosts.

* alloc.c (emacs_blocked_malloc) [GC_MALLOC_CHECK]:
Do not assume ptrdiff_t is the same width as 'int'.

diff --git a/src/ChangeLog b/src/ChangeLog
index fb7498b..a1220ae 100644 (file)
--- a/src/ChangeLog
+++ b/src/ChangeLog
@@ -1,5 +1,9 @@
 2012-04-22  Paul Eggert  <eggert@cs.ucla.edu>
 
+       Fix GC_MALLOC_CHECK debugging output on 64-bit hosts.
+       * alloc.c (emacs_blocked_malloc) [GC_MALLOC_CHECK]:
+       Do not assume ptrdiff_t is the same width as 'int'.
+
        * alloc.c: Handle unusual debugging option combinations.
        (GC_CHECK_MARKED_OBJECTS): Undef if ! GC_MARK_STACK,
        since the two debugging options are incompatible.

diff --git a/src/alloc.c b/src/alloc.c
index b029343..6c9af7b 100644 (file)
--- a/src/alloc.c
+++ b/src/alloc.c
@@ -1314,7 +1314,7 @@ emacs_blocked_malloc (size_t size, const void *ptr)
       {
        fprintf (stderr, "Malloc returned %p which is already in use\n",
                 value);
-       fprintf (stderr, "Region in use is %p...%p, %u bytes, type %d\n",
+       fprintf (stderr, "Region in use is %p...%p, %td bytes, type %d\n",
                 m->start, m->end, (char *) m->end - (char *) m->start,
                 m->type);
        abort ();