diff -dur original/ancient-0.8.0/mmalloc/mmalloc.h new/ancient-0.8.0/mmalloc/mmalloc.h
--- original/ancient-0.8.0/mmalloc/mmalloc.h	2006-10-06 08:27:52.000000000 -0400
+++ new/ancient-0.8.0/mmalloc/mmalloc.h	2007-04-27 16:32:12.000000000 -0400
@@ -57,6 +57,6 @@
 
 extern int mmtrace PARAMS ((void));
 
-extern PTR mmalloc_findbase PARAMS ((int));
+extern PTR mmalloc_findbase PARAMS ((size_t));
 
 #endif  /* MMALLOC_H */
diff -dur original/ancient-0.8.0/mmalloc/mmap-sup.c new/ancient-0.8.0/mmalloc/mmap-sup.c
--- original/ancient-0.8.0/mmalloc/mmap-sup.c	2006-10-06 08:27:52.000000000 -0400
+++ new/ancient-0.8.0/mmalloc/mmap-sup.c	2007-04-27 16:32:12.000000000 -0400
@@ -64,7 +64,7 @@
 PTR
 __mmalloc_mmap_morecore (mdp, size)
   struct mdesc *mdp;
-  int size;
+  size_t size;
 {
   PTR result = NULL;
   off_t foffset;	/* File offset at which new mapping will start */
@@ -169,7 +169,7 @@
 
 PTR
 mmalloc_findbase (size)
-  int size;
+  size_t size;
 {
   int fd;
   int flags;
@@ -205,7 +205,8 @@
 	 to signal an error return, and besides, it is useful to
 	 catch NULL pointers if it is unmapped.  Instead start
 	 at the next page boundary. */
-      base = (caddr_t) getpagesize ();
+      size_t tmp_pagesize = getpagesize ();
+      base = (caddr_t) tmp_pagesize;
     }
   else if (base == (caddr_t) -1)
     {
diff -dur original/ancient-0.8.0/mmalloc/mmprivate.h new/ancient-0.8.0/mmalloc/mmprivate.h
--- original/ancient-0.8.0/mmalloc/mmprivate.h	2006-10-13 05:42:30.000000000 -0400
+++ new/ancient-0.8.0/mmalloc/mmprivate.h	2007-04-27 16:32:12.000000000 -0400
@@ -53,7 +53,7 @@
 
 #define INT_BIT		(CHAR_BIT * sizeof(int))
 #define BLOCKLOG	(INT_BIT > 16 ? 12 : 9)
-#define BLOCKSIZE	((unsigned int) 1 << BLOCKLOG)
+#define BLOCKSIZE	((size_t) 1L << BLOCKLOG)
 #define BLOCKIFY(SIZE)	(((SIZE) + BLOCKSIZE - 1) / BLOCKSIZE)
 
 /* The difference between two pointers is a signed int.  On machines where
@@ -63,8 +63,8 @@
    sign of the result is machine dependent for negative values, so force
    it to be treated as an unsigned int. */
 
-#define ADDR2UINT(addr)	((unsigned int) ((char *) (addr) - (char *) NULL))
-#define RESIDUAL(addr,bsize) ((unsigned int) (ADDR2UINT (addr) % (bsize)))
+#define ADDR2UINT(addr)	((size_t) ((char *) (addr) - (char *) NULL))
+#define RESIDUAL(addr,bsize) ((size_t) (ADDR2UINT (addr) % (bsize)))
 
 /* Determine the amount of memory spanned by the initial heap table
    (not an absolute limit).  */
@@ -191,7 +191,7 @@
      FIXME:  For mapped regions shared by more than one process, this
      needs to be maintained on a per-process basis. */
 
-  PTR (*morecore) PARAMS ((struct mdesc *, int));
+  PTR (*morecore) PARAMS ((struct mdesc *, size_t));
      
   /* Pointer to the function that causes an abort when the memory checking
      features are activated.  By default this is set to abort(), but can
@@ -319,7 +319,7 @@
 
 #if defined(HAVE_MMAP)
 
-extern PTR __mmalloc_mmap_morecore PARAMS ((struct mdesc *, int));
+extern PTR __mmalloc_mmap_morecore PARAMS ((struct mdesc *, size_t));
 
 #endif
 
Only in new/ancient-0.8.0/mmalloc: mmprivate.h~
diff -dur original/ancient-0.8.0/mmalloc/sbrk-sup.c new/ancient-0.8.0/mmalloc/sbrk-sup.c
--- original/ancient-0.8.0/mmalloc/sbrk-sup.c	2006-10-06 08:27:52.000000000 -0400
+++ new/ancient-0.8.0/mmalloc/sbrk-sup.c	2007-04-27 16:32:12.000000000 -0400
@@ -26,9 +26,9 @@
 
 #include "mmprivate.h"
 
-static PTR sbrk_morecore PARAMS ((struct mdesc *, int));
+static PTR sbrk_morecore PARAMS ((struct mdesc *, size_t));
 #if NEED_DECLARATION_SBRK
-extern PTR sbrk PARAMS ((int));
+extern PTR sbrk PARAMS ((size_t));
 #endif
 
 /* The mmalloc() package can use a single implicit malloc descriptor
@@ -44,7 +44,7 @@
 static PTR
 sbrk_morecore (mdp, size)
   struct mdesc *mdp;
-  int size;
+  size_t size;
 {
   PTR result;