Fix for 64-bit check

diff --git a/write7x.c b/write7x.c
index e1a0257a380a5683905907187e489db29a38107d..f642b4e4480aeb3a29ec8bdfceaedd6b852e5b47 100644 (file)
--- a/write7x.c
+++ b/write7x.c
@@ -50,7 +50,7 @@ void write781_to_byte_array (unsigned char *dest, unsigned long val, int little_
         dest[2] = (val >> 16) & 0xFF;
         dest[3] = (val >> 24) & 0xFF;
         
-#if     ULONG_MAX > 4294967295UL
+#if     ((ULONG_MAX >> 16) >> 16) == 0xffffffff
         
         dest[4] = (val >> 32) & 0xFF;
         dest[5] = (val >> 40) & 0xFF;
@@ -73,7 +73,7 @@ void write781_to_byte_array (unsigned char *dest, unsigned long val, int little_
         dest[5] = (val >> 16) & 0xFF;
         dest[4] = (val >> 24) & 0xFF;
         
-#if     ULONG_MAX > 4294967295UL
+#if     ((ULONG_MAX >> 16) >> 16) == 0xffffffff
         
         dest[3] = (val >> 32) & 0xFF;
         dest[2] = (val >> 40) & 0xFF;