From 89ccd65a2415c2d718a8ca72b0f89e991fe0627d Mon Sep 17 00:00:00 2001
From: "Richard M. Stallman" <rms@gnu.org>
Date: Wed, 26 May 1993 20:38:52 +0000
Subject: [PATCH] (r_alloc_sbrk): Declare already_available as long, not SIZE.

---
 src/ralloc.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/src/ralloc.c b/src/ralloc.c
index a8ab0754268..b33e329753d 100644
--- a/src/ralloc.c
+++ b/src/ralloc.c
@@ -351,7 +351,10 @@ r_alloc_sbrk (size)
   /* This is the first address not currently available for the heap.  */
   POINTER top;
   /* Amount of empty space below that.  */
-  SIZE already_available;
+  /* It is not correct to use SIZE here, because that is usually unsigned.
+     ptrdiff_t would be okay, but is not always available.
+     `long' will work in all cases, in practice.  */
+  long already_available;
   POINTER ptr;
 
   if (! use_relocatable_buffers)