X-Git-Url: https://code.delx.au/gnu-emacs/blobdiff_plain/0d9f702fd085bc8ad560a3e1f08d5e93054a5d33..da35c2b26f55a329329792f21a297aa8ad08fb95:/src/vm-limit.c

diff --git a/src/vm-limit.c b/src/vm-limit.c
index 4b16f0ee90..ca7ac4f657 100644
--- a/src/vm-limit.c
+++ b/src/vm-limit.c
@@ -1,6 +1,5 @@
 /* Functions for memory limit warnings.
-   Copyright (C) 1990, 1992, 2001, 2002, 2003, 2004, 2005, 2006, 2007,
-                 2008, 2009, 2010, 2011  Free Software Foundation, Inc.
+   Copyright (C) 1990, 1992, 2001-2013 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
@@ -18,7 +17,7 @@ You should have received a copy of the GNU General Public License
 along with GNU Emacs.  If not, see <http://www.gnu.org/licenses/>.  */
 
 #include <config.h>
-#include <setjmp.h>
+#include <unistd.h> /* for 'environ', on AIX */
 #include "lisp.h"
 #include "mem-limits.h"
 
@@ -32,7 +31,7 @@ along with GNU Emacs.  If not, see <http://www.gnu.org/licenses/>.  */
 enum warnlevel { not_warned, warned_75, warned_85, warned_95 };
 static enum warnlevel warnlevel;
 
-typedef POINTER_TYPE *POINTER;
+typedef void *POINTER;
 
 /* Function to call to issue a warning;
    0 means don't issue them.  */
@@ -42,7 +41,7 @@ static void (*warn_function) (const char *);
 static POINTER data_space_start;
 
 /* Number of bytes of writable memory we can expect to be able to get.  */
-static unsigned long lim_data;
+static size_t lim_data;
 
 
 #if defined (HAVE_GETRLIMIT) && defined (RLIMIT_AS)
@@ -86,10 +85,12 @@ get_lim_data (void)
 #else /* not USG */
 #ifdef WINDOWSNT
 
+#include "w32heap.h"
+
 static void
 get_lim_data (void)
 {
-  extern unsigned long reserved_heap_size;
+  extern size_t reserved_heap_size;
   lim_data = reserved_heap_size;
 }
 
@@ -167,13 +168,13 @@ static void
 check_memory_limits (void)
 {
 #ifdef REL_ALLOC
-  extern POINTER (*real_morecore) (SIZE);
+  extern POINTER (*real_morecore) (ptrdiff_t);
 #endif
-  extern POINTER (*__morecore) (SIZE);
+  extern POINTER (*__morecore) (ptrdiff_t);
 
   register POINTER cp;
-  unsigned long five_percent;
-  unsigned long data_size;
+  size_t five_percent;
+  size_t data_size;
   enum warnlevel new_warnlevel;
 
   if (lim_data == 0)
@@ -238,7 +239,7 @@ check_memory_limits (void)
     (*warn_function) ("Warning: memory in use exceeds lisp pointer size");
 }
 
-#if !defined(CANNOT_DUMP) || !defined(SYSTEM_MALLOC)
+#if !defined (CANNOT_DUMP) || !defined (SYSTEM_MALLOC)
 /* Some systems that cannot dump also cannot implement these.  */
 
 /*
@@ -269,7 +270,6 @@ start_of_data (void)
    * is known to live at or near the start of the system crt0.c, and
    * we don't sweat the handful of bytes that might lose.
    */
-  extern char **environ;
   return ((POINTER) &environ);
 #else
   extern int data_start;
@@ -298,4 +298,3 @@ memory_warnings (POINTER start, void (*warnfun) (const char *))
   /* Force data limit to be recalculated on each run.  */
   lim_data = 0;
 }
-