* libc/include/stdint.h (SIZE_MIN): Remove.

(SIZE_MAX): Define.
	* testsuite/newlib.stdlib/stdlib.exp: New.
	* testsuite/newlib.stdlib/size_max.c: Likewise.

newlib/ChangeLog

@@ -1,3 +1,10 @@
+2008-04-26  Mark Mitchell  <mark@codesourcery.com>
+
+	* libc/include/stdint.h (SIZE_MIN): Remove.
+	(SIZE_MAX): Define.
+	* testsuite/newlib.stdlib/stdlib.exp: New.
+	* testsuite/newlib.stdlib/size_max.c: Likewise.
+
 2008-04-29  Eric Blake  <ebb9@byu.net>
 
 	Fix 2008-04-14 regression in asprintf(ptr,"").

newlib/libc/include/stdint.h

@@ -348,8 +348,7 @@ typedef unsigned long uintptr_t;
 #endif
 
 /* This must match size_t in stddef.h, currently long unsigned int */
-#define SIZE_MIN (-__STDINT_EXP(LONG_MAX) - 1L)
+#define SIZE_MAX (__STDINT_EXP(LONG_MAX) * 2UL + 1)
-#define SIZE_MAX __STDINT_EXP(LONG_MAX)
 
 /* This must match sig_atomic_t in <signal.h> (currently int) */
 #define SIG_ATOMIC_MIN (-__STDINT_EXP(INT_MAX) - 1)

newlib/testsuite/newlib.stdlib/size_max.c

@@ -0,0 +1,18 @@
+#include <stddef.h>
+#include <stdint.h>
+#include <stdlib.h>
+
+int main () {
+  size_t s;
+
+  s = SIZE_MAX;
+  /* If SIZE_MAX is truncated when assigning to "s", then SIZE_MAX is
+     too big.  */
+  if (s != SIZE_MAX)
+    abort ();
+  /* If SIZE_MAX + 1 is not zero, then SIZE_MAX is not big enough.  */
+  if (++s != 0)
+    abort ();
+
+  return 0;
+}

newlib/testsuite/newlib.stdlib/stdlib.exp

@@ -0,0 +1,10 @@
+# Copyright (C) 2008 by CodeSourcery, Inc.  All rights reserved.
+#
+# Permission to use, copy, modify, and distribute this software
+# is freely granted, provided that this notice is preserved.
+
+load_lib passfail.exp
+
+set exclude_list [list "atexit.c"]
+
+newlib_pass_fail_all -x $exclude_list