Changes in uspace/lib/c/include/macros.h [9d58539:34b9299] in mainline

File:

• uspace/lib/c/include/macros.h (modified) (2 diffs)

uspace/lib/c/include/macros.h

@@ -38 +38 @@
 #define min(a, b)  ((a) < (b) ? (a) : (b))
 #define max(a, b)  ((a) > (b) ? (a) : (b))
+#define abs(a)     ((a) >= 0 ? (a) : (-a))
+
 
 #define KiB2SIZE(kb)  ((kb) << 10)
@@ -52 +54 @@
             | ((((uint64_t) (up)) & 0xffffffff) << 32))
 
+#ifndef member_to_inst
+#define member_to_inst(ptr_member, type, member_identif) \
+        ((type*) (((void*)(ptr_member)) - ((void*)&(((type*)0)->member_identif))))
+#endif
+
+
 #endif