1 files changed, 64 insertions, 0 deletions
diff --git a/getput.h b/getput.h
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+++ b/getput.h
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+/*
+
+getput.h
+
+Author: Tatu Ylonen <ylo@cs.hut.fi>
+
+Copyright (c) 1995 Tatu Ylonen <ylo@cs.hut.fi>, Espoo, Finland
+                   All rights reserved
+
+Created: Wed Jun 28 22:36:30 1995 ylo
+
+Macros for storing and retrieving data in msb first and lsb first order.
+
+*/
+
+/* RCSID("$Id: getput.h,v 1.1 1999/10/27 03:42:44 damien Exp $"); */
+
+#ifndef GETPUT_H
+#define GETPUT_H
+
+/*------------ macros for storing/extracting msb first words -------------*/
+
+#define GET_32BIT(cp) (((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 GET_16BIT(cp) (((unsigned long)(unsigned char)(cp)[0] << 8) | \
+		       ((unsigned long)(unsigned char)(cp)[1]))
+
+#define PUT_32BIT(cp, value) do { \
+  (cp)[0] = (value) >> 24; \
+  (cp)[1] = (value) >> 16; \
+  (cp)[2] = (value) >> 8; \
+  (cp)[3] = (value); } while (0)
+
+#define PUT_16BIT(cp, value) do { \
+  (cp)[0] = (value) >> 8; \
+  (cp)[1] = (value); } while (0)
+
+/*------------ macros for storing/extracting lsb first words -------------*/
+
+#define GET_32BIT_LSB_FIRST(cp) \
+  (((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 GET_16BIT_LSB_FIRST(cp) \
+  (((unsigned long)(unsigned char)(cp)[0]) | \
+  ((unsigned long)(unsigned char)(cp)[1] << 8))
+
+#define PUT_32BIT_LSB_FIRST(cp, value) do { \
+  (cp)[0] = (value); \
+  (cp)[1] = (value) >> 8; \
+  (cp)[2] = (value) >> 16; \
+  (cp)[3] = (value) >> 24; } while (0)
+
+#define PUT_16BIT_LSB_FIRST(cp, value) do { \
+  (cp)[0] = (value); \
+  (cp)[1] = (value) >> 8; } while (0)
+
+#endif /* GETPUT_H */
+