Changes in uspace/lib/c/include/macros.h [36795edf:4805495] in mainline

File:

• uspace/lib/c/include/macros.h (modified) (1 diff)

uspace/lib/c/include/macros.h

@@ -55 +55 @@
             | ((((uint64_t) (up)) & 0xffffffff) << 32))
 
+#define member_to_inst(ptr_member, type, member_identif) \
+        ((type *) (((void *) (ptr_member)) - \
+            ((void *) &(((type *) 0)->member_identif))))
+
 #define _paddname(line)     PADD_ ## line ## __
 #define _padd(width, line, n)  uint ## width ## _t _paddname(line) [n]