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[openssl.git] / crypto / bf / blowfish.h

diff --git a/crypto/bf/blowfish.h b/crypto/bf/blowfish.h
index a18dfee1a4b2f35e83ba4d52352ade8f5dcfcd56..02f73b2f309f427a0014018aa7e84fbe633c6b34 100644 (file)
--- a/crypto/bf/blowfish.h
+++ b/crypto/bf/blowfish.h
@@ -70,8 +70,25 @@ extern "C" {
 #define BF_ENCRYPT     1
 #define BF_DECRYPT     0
 
-#ifdef WIN16
+/*
+ * !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
+ * ! BF_LONG has to be at least 32 bits wide. If it's wider, then !
+ * ! BF_LONG_LOG2 has to be defined along.                        !
+ * !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
+ */
+
+#if defined(WIN16) || defined(__LP32__)
 #define BF_LONG unsigned long
+#elif defined(_CRAY) || defined(__ILP64__)
+#define BF_LONG unsigned long
+#define BF_LONG_LOG2 3
+/*
+ * _CRAY note. I could declare short, but I have no idea what impact
+ * does it have on performance on none-T3E machines. I could declare
+ * int, but at least on C90 sizeof(int) can be chosen at compile time.
+ * So I've chosen long...
+ *                                     <appro@fy.chalmers.se>
+ */
 #else
 #define BF_LONG unsigned int
 #endif