Merge remote branch 'origin/patches-2.0'

This commit is contained in:
Nick Mathewson 2011-01-02 00:59:20 -05:00
commit ac6904241b

View File

@ -52,9 +52,13 @@ extern "C" {
/* A good no-op to use in macro definitions. */
#define _EVUTIL_NIL_STMT ((void)0)
/* Suppresses the compiler's "unused variable" warnings for unused assert. */
/* A no-op that tricks the compiler into thinking a condition is used while
* definitely not making any code for it. Used to compile out asserts while
* avoiding "unused variable" warnings. The "!" forces the compiler to
* do the sizeof() on an int, in case "condition" is a bitfield value.
*/
#define _EVUTIL_NIL_CONDITION(condition) do { \
(void)sizeof(condition); \
(void)sizeof(!(condition)); \
} while(0)
/* Internal use only: macros to match patterns of error codes in a