Changeset 38719 in vbox for trunk/include

Timestamp:

Sep 13, 2011 6:19:00 AM (13 years ago)

Author:

vboxsync

Message:

version.h: add VBOX_SHORT_VERSION which fits in 16bits

File:

• trunk/include/VBox/version.h (modified) (1 diff)

trunk/include/VBox/version.h

@@ -67 +67 @@
 # define VBOX_FULL_VERSION_GET_BUILD(uFullVer)  ( ((uFullVer)      ) & 0xffffU )
 
+/**
+ * Make a short version number for use in 16 bit version fields.
+ *
+ * The returned number can be used in normal integer comparsions and will yield
+ * the expected results.
+ *
+ * @param   uMajor      The major version number.
+ * @param   uMinor      The minor version number.
+ * @returns Short version number.
+ */
+# define VBOX_SHORT_VERSION_MAKE(uMajor, uMinor) \
+    (  (uint16_t)((uMajor) &   0xff) << 8 \
+     | (uint16_t)((uMinor) &   0xff)      \
+    )
+
+/** Combined short version number. */
+# define VBOX_SHORT_VERSION               \
+    VBOX_SHORT_VERSION_MAKE(VBOX_VERSION_MAJOR, VBOX_VERSION_MINOR)
+/** Get the major version number from a VBOX_SHORT_VERSION style number. */
+# define VBOX_SHORT_VERSION_GET_MAJOR(uShortVer)  ( ((uShortVer) >> 8) &   0xffU )
+/** Get the minor version number from a VBOX_SHORT_VERSION style number. */
+# define VBOX_SHORT_VERSION_GET_MINOR(uShortVer)  ( (uShortVer) &   0xffU )
+
 #endif /* !RC_INVOKED */