From a57d5061ff47d6f84d5eee6b7c869cf1899d9917 Mon Sep 17 00:00:00 2001
From: Jim Meyering <jim@meyering.net>
Date: Tue, 31 Mar 1998 23:11:37 +0000
Subject: (TYPE_MAXIMUM): Cast result to `(t)' so this macro works with
 `unsigned char'. From Greg Wooledge. (SCHAR_MIN, SCHAR_MAX, SHRT_MIN,
 SHRT_MAX, LONG_MAX, ULONG_MAX): Define.

---
 src/system.h | 30 +++++++++++++++++++++++++++++-
 1 file changed, 29 insertions(+), 1 deletion(-)

(limited to 'src')

diff --git a/src/system.h b/src/system.h
index 53cbff081..84ac9cd68 100644
--- a/src/system.h
+++ b/src/system.h
@@ -124,7 +124,27 @@
    It is necessary at least when t == time_t.  */
 #define TYPE_MINIMUM(t) ((t) (TYPE_SIGNED (t) \
 			      ? ~ (t) 0 << (sizeof (t) * CHAR_BIT - 1) : (t) 0))
-#define TYPE_MAXIMUM(t) (~ (t) 0 - TYPE_MINIMUM (t))
+#define TYPE_MAXIMUM(t) ((t) (~ (t) 0 - TYPE_MINIMUM (t)))
+
+#ifndef SCHAR_MIN
+# define SCHAR_MIN TYPE_MINIMUM (char)
+#endif
+
+#ifndef SCHAR_MAX
+# define SCHAR_MAX TYPE_MAXIMUM (char)
+#endif
+
+#ifndef UCHAR_MAX
+# define UCHAR_MAX TYPE_MAXIMUM (unsigned char)
+#endif
+
+#ifndef SHRT_MIN
+# define SHRT_MIN TYPE_MINIMUM (short int)
+#endif
+
+#ifndef SHRT_MAX
+# define SHRT_MAX TYPE_MAXIMUM (short int)
+#endif
 
 #ifndef INT_MAX
 # define INT_MAX TYPE_MAXIMUM (int)
@@ -134,6 +154,14 @@
 # define UINT_MAX TYPE_MAXIMUM (unsigned int)
 #endif
 
+#ifndef LONG_MAX
+# define LONG_MAX TYPE_MAXIMUM (long)
+#endif
+
+#ifndef ULONG_MAX
+# define ULONG_MAX TYPE_MAXIMUM (unsigned long)
+#endif
+
 #include "pathmax.h"
 
 #ifdef TM_IN_SYS_TIME
-- 
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