[ULONGMAX]: Define it.

[LONGMAX]: Define in terms of ULONGMAX instead of as a 32-bit constant.

1 files changed, 5 insertions, 1 deletions

diff --git a/src/tr.c b/src/tr.c
index 8b02dd50f..b6b62e4f5 100644
--- a/src/tr.c
+++ b/src/tr.c
@@ -31,8 +31,12 @@
 #include "system.h"
 #include "version.h"
 
+#ifndef ULONG_MAX
+#define ULONG_MAX ((unsigned long) ~(unsigned long) 0)
+#endif
+
 #ifndef LONG_MAX
-#define LONG_MAX 0x7FFFFFFF
+#define LONG_MAX ((long int) (ULONG_MAX >> 1))
 #endif
 
 #ifndef UCHAR_MAX