X-Git-Url: https://git.distorted.org.uk/u/mdw/putty/blobdiff_plain/aca589d972c5c12706d57322e89f9dec2b2a3a00..51e9d3c00a3471f284e89ec1f59f38ca25f10c5f:/misc.h

diff --git a/misc.h b/misc.h
index fe5056c6..73467793 100644
--- a/misc.h
+++ b/misc.h
@@ -5,7 +5,7 @@
 
 #include <stdio.h>		       /* for FILE * */
 #include <stdarg.h>		       /* for va_list */
-#include <time.h>                      /* for struct_tm */
+#include <time.h>                      /* for struct tm */
 
 #ifndef FALSE
 #define FALSE 0
@@ -52,7 +52,7 @@ struct tm ltime(void);
  * debug(()) (note the double brackets) is like printf().
  *
  * dmemdump() and dmemdumpl() both do memory dumps.  The difference
- * is that dmemdumpl() is more suited for when where the memory is is
+ * is that dmemdumpl() is more suited for when the memory address is
  * important (say because you'll be recording pointer values later
  * on).  dmemdump() is more concise.
  */
@@ -80,4 +80,48 @@ void debug_memdump(void *buf, int len, int L);
 #define max(x,y) ( (x) > (y) ? (x) : (y) )
 #endif
 
+#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 PUT_32BIT_LSB_FIRST(cp, value) ( \
+  (cp)[0] = (unsigned char)(value), \
+  (cp)[1] = (unsigned char)((value) >> 8), \
+  (cp)[2] = (unsigned char)((value) >> 16), \
+  (cp)[3] = (unsigned char)((value) >> 24) )
+
+#define GET_16BIT_LSB_FIRST(cp) \
+  (((unsigned long)(unsigned char)(cp)[0]) | \
+  ((unsigned long)(unsigned char)(cp)[1] << 8))
+
+#define PUT_16BIT_LSB_FIRST(cp, value) ( \
+  (cp)[0] = (unsigned char)(value), \
+  (cp)[1] = (unsigned char)((value) >> 8) )
+
+#define GET_32BIT_MSB_FIRST(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_32BIT(cp) GET_32BIT_MSB_FIRST(cp)
+
+#define PUT_32BIT_MSB_FIRST(cp, value) ( \
+  (cp)[0] = (unsigned char)((value) >> 24), \
+  (cp)[1] = (unsigned char)((value) >> 16), \
+  (cp)[2] = (unsigned char)((value) >> 8), \
+  (cp)[3] = (unsigned char)(value) )
+
+#define PUT_32BIT(cp, value) PUT_32BIT_MSB_FIRST(cp, value)
+
+#define GET_16BIT_MSB_FIRST(cp) \
+  (((unsigned long)(unsigned char)(cp)[0] << 8) | \
+  ((unsigned long)(unsigned char)(cp)[1]))
+
+#define PUT_16BIT_MSB_FIRST(cp, value) ( \
+  (cp)[0] = (unsigned char)((value) >> 8), \
+  (cp)[1] = (unsigned char)(value) )
+
 #endif