Changeset 78939 in vbox

Timestamp:

Jun 3, 2019 3:03:15 PM (5 years ago)

Author:

vboxsync

Message:

iprt/system.h: Macros for getting the component parts out of a RTSYSTEM_MAKE_NT_VERSION/RTSystemGetNtVersion value.

File:

• trunk/include/iprt/system.h (modified) (1 diff)

trunk/include/iprt/system.h

@@ -274 +274 @@
 # define RTSYSTEM_MAKE_NT_VERSION(a_uMajor, a_uMinor, a_uBuild) \
     ( ((uint64_t)(a_uMajor) << 52) | ((uint64_t)((a_uMinor) & 0xfffU) << 40) | ((uint32_t)(a_uBuild)) )
+/** Extracts the major version number from a RTSYSTEM_MAKE_NT_VERSION value. */
+# define RTSYSTEM_NT_VERSION_GET_MAJOR(a_uNtVersion) ((uint32_t)((a_uNtVersion) >> 52))
+/** Extracts the minor version number from a RTSYSTEM_MAKE_NT_VERSION value. */
+# define RTSYSTEM_NT_VERSION_GET_MINOR(a_uNtVersion) ((uint32_t)((a_uNtVersion) >> 40) & UINT32_C(0xfff))
+/** Extracts the build number from a RTSYSTEM_MAKE_NT_VERSION value. */
+# define RTSYSTEM_NT_VERSION_GET_BUILD(a_uNtVersion) ((uint32_t)(a_uNtVersion))
 
 /**