updates.
[silc.git] / includes / bitmove.h
index aca83a4abdaf5cf650b2f660e0414ed504387d44..5ada690b3728de6819add7b436382c14809de56e 100644 (file)
@@ -1,16 +1,15 @@
 /*
 
-  bitmove.h
+  bitmove.h 
 
-  Author: Pekka Riikonen <priikone@poseidon.pspt.fi>
+  Author: Pekka Riikonen <priikone@silcnet.org>
 
-  Copyright (C) 1997 - 2000 Pekka Riikonen
+  Copyright (C) 1997 - 2001 Pekka Riikonen
 
   This program is free software; you can redistribute it and/or modify
   it under the terms of the GNU General Public License as published by
-  the Free Software Foundation; either version 2 of the License, or
-  (at your option) any later version.
-  
+  the Free Software Foundation; version 2 of the License.
+
   This program is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 #ifndef BITMOVE_H
 #define BITMOVE_H
 
+#define GET_WORD(cp) ((uint32)(uint8)(cp)[0]) << 24    \
+                   | ((uint32)(uint8)(cp)[1] << 16)    \
+                   | ((uint32)(uint8)(cp)[2] << 8)     \
+                   | ((uint32)(uint8)(cp)[3])
+
+/* Returns eight 8-bit bytes, most significant bytes first. */
+#define SILC_GET64_MSB(l, cp)                  \
+       (l) = ((((uint64)GET_WORD((cp))) << 32) |       \
+             ((uint64)GET_WORD((cp) + 4)))
+#define SILC_PUT64_MSB(l, cp)                          \
+do {                                                   \
+  SILC_PUT32_MSB((uint32)((uint64)(l) >> 32), (cp));   \
+  SILC_PUT32_MSB((uint32)(l), (cp) + 4);               \
+} while(0)
+
+
 /* Returns four 8-bit bytes, most significant bytes first. */
-#define SILC_GET32_MSB(l, cp) \
-       (l) = ((unsigned long)(unsigned char)(cp)[0]) << 24 \
-           | ((unsigned long)(unsigned char)(cp)[1] << 16) \
-           | ((unsigned long)(unsigned char)(cp)[2] << 8) \
-           | ((unsigned long)(unsigned char)(cp)[3])
-#define SILC_PUT32_MSB(l, cp) \
-       (cp)[0] = l >> 24; \
-       (cp)[1] = l >> 16; \
-       (cp)[2] = l >> 8; \
+#define SILC_GET32_MSB(l, cp)                  \
+       (l) = ((uint32)(uint8)(cp)[0]) << 24    \
+           | ((uint32)(uint8)(cp)[1] << 16)    \
+           | ((uint32)(uint8)(cp)[2] << 8)     \
+           | ((uint32)(uint8)(cp)[3])
+#define SILC_PUT32_MSB(l, cp)                  \
+       (cp)[0] = l >> 24;                      \
+       (cp)[1] = l >> 16;                      \
+       (cp)[2] = l >> 8;                       \
        (cp)[3] = l;
 
 
 /* Returns four 8-bit bytes, less significant bytes first. */
-#define SILC_GET32_LSB(l, cp) \
-       (l) = ((unsigned long)(unsigned char)(cp)[0]) \
-           | ((unsigned long)(unsigned char)(cp)[1] << 8) \
-           | ((unsigned long)(unsigned char)(cp)[2] << 16) \
-           | ((unsigned long)(unsigned char)(cp)[3] << 24)
+#define SILC_GET32_LSB(l, cp)                  \
+       (l) = ((uint32)(uint8)(cp)[0])          \
+           | ((uint32)(uint8)(cp)[1] << 8)     \
+           | ((uint32)(uint8)(cp)[2] << 16)    \
+           | ((uint32)(uint8)(cp)[3] << 24)
 /* same as upper but XOR the result always */
-#define SILC_GET32_X_LSB(l, cp) \
-       (l) ^= ((unsigned long)(unsigned char)(cp)[0]) \
-           | ((unsigned long)(unsigned char)(cp)[1] << 8) \
-           | ((unsigned long)(unsigned char)(cp)[2] << 16) \
-           | ((unsigned long)(unsigned char)(cp)[3] << 24)
-#define SILC_PUT32_LSB(l, cp) \
-       (cp)[0] = l; \
-       (cp)[1] = l >> 8; \
-       (cp)[2] = l >> 16; \
+#define SILC_GET32_X_LSB(l, cp)                        \
+       (l) ^= ((uint32)(uint8)(cp)[0])         \
+           | ((uint32)(uint8)(cp)[1] << 8)     \
+           | ((uint32)(uint8)(cp)[2] << 16)    \
+           | ((uint32)(uint8)(cp)[3] << 24)
+#define SILC_PUT32_LSB(l, cp)                  \
+       (cp)[0] = l;                            \
+       (cp)[1] = l >> 8;                       \
+       (cp)[2] = l >> 16;                      \
        (cp)[3] = l >> 24;
 
 
 /* Returns two 8-bit bytes, most significant bytes first. */
-#define SILC_GET16_MSB(l, cp) \
-       (l) = ((unsigned long)(unsigned char)(cp)[0] << 8) \
-           | ((unsigned long)(unsigned char)(cp)[1])
-#define SILC_PUT16_MSB(l, cp) \
-       (cp)[0] = l >> 8; \
+#define SILC_GET16_MSB(l, cp)                  \
+       (l) = ((uint32)(uint8)(cp)[0] << 8)     \
+           | ((uint32)(uint8)(cp)[1])
+#define SILC_PUT16_MSB(l, cp)                  \
+       (cp)[0] = l >> 8;                       \
        (cp)[1] = l;
 
 /* Returns two 8-bit bytes, less significant bytes first. */
-#define SILC_GET16_LSB(l, cp) \
-       (l) = ((unsigned long)(unsigned char)(cp)[0]) \
-           | ((unsigned long)(unsigned char)(cp)[1] << 8)
-#define SILC_PUT16_LSB(l, cp) \
-       (cp)[0] = l; \
+#define SILC_GET16_LSB(l, cp)                  \
+       (l) = ((uint32)(uint8)(cp)[0])          \
+           | ((uint32)(uint8)(cp)[1] << 8)
+#define SILC_PUT16_LSB(l, cp)                  \
+       (cp)[0] = l;                            \
        (cp)[1] = l >> 8;
 
 #endif