[ViewVC] Diff of: cvs/rxvt-unicode/src/rxvtutil.h

Comparing rxvt-unicode/src/rxvtutil.h (file contents):
Revision 1.34 by root, Sun Dec 2 22:37:14 2007 UTC vs.
Revision 1.37 by root, Mon Jul 21 16:51:31 2008 UTC

 #define HAVE_GCC_BUILTINS (__GNUC__ >= 4 || (__GNUC__ == 3 && __GNUC_MINOR__ == 4))
 #if __GNUC__ >= 4
 # define rxvt_attribute(x) __attribute__(x)
+# define expect(expr,value)         __builtin_expect ((expr),(value))
 #else
 # define rxvt_attribute(x)
+# define expect(expr,value)         (expr)
 #endif
+// put into ifs if you are very sure that the expression
+// is mostly true or mosty false. note that these return
+// booleans, not the expression.
+#define expect_false(expr) expect ((expr) != 0, 0)
+#define expect_true(expr)  expect ((expr) != 0, 1)
 #define NORETURN rxvt_attribute ((noreturn))
 #define UNUSED   rxvt_attribute ((unused))
 #define CONST    rxvt_attribute ((const))
   ((unsigned int)(val) - (unsigned int)(beg) <= (unsigned int)(end) - (unsigned int)(beg))
 // in range excluding end
 #define IN_RANGE_EXC(val,beg,end) \
   ((unsigned int)(val) - (unsigned int)(beg) <  (unsigned int)(end) - (unsigned int)(beg))
+// for m >= -n, ensure remainder lies between 0..n-1
+#define MOD(m,n) (((m) + (n)) % (n))
 // makes dynamically allocated objects zero-initialised
 struct zero_initialized {
   void *operator new (size_t s);
   void operator delete (void *p, size_t s);
 }
 template<typename T>
 struct vector : simplevec<T>
-{ };
+{
+};
 struct stringvec : simplevec<char *>
 {
   ~stringvec ()
   {

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