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util: move 'unused_fn' macro to from rb.h to util.h

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This commit is contained in:
Bert Belder 2017-12-08 19:14:00 +01:00
parent 1ad34ec3f3
commit 2b57c726c8
2 changed files with 13 additions and 11 deletions
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18
src/rb.h
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@ -23,6 +23,11 @@
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef WEPOLL_RB_H_
#define WEPOLL_RB_H_
#include "util.h"
/*
* A red-black tree is a binary search tree with the node color as an
* extra attribute. It fulfills a set of conditions:
@ -35,15 +40,6 @@
* The maximum height of a red-black tree is 2lg (n+1).
*/
#ifndef WEPOLL_RB_H_
#define WEPOLL_RB_H_
#ifdef __clang__
#define RB_UNUSED __attribute__((__unused__))
#else
#define RB_UNUSED /* empty */
#endif
/* clang-format off */
/* Macros that define a red-black tree */
@ -123,7 +119,7 @@ struct { \
#define RB_PROTOTYPE(name, type, field, cmp) \
RB_PROTOTYPE_INTERNAL(name, type, field, cmp,)
#define RB_PROTOTYPE_STATIC(name, type, field, cmp) \
RB_PROTOTYPE_INTERNAL(name, type, field, cmp, static RB_UNUSED)
RB_PROTOTYPE_INTERNAL(name, type, field, cmp, static unused_fn)
#define RB_PROTOTYPE_INTERNAL(name, type, field, cmp, attr) \
attr void name##_RB_INSERT_COLOR(struct name *, struct type *); \
attr void name##_RB_REMOVE_COLOR(struct name *, struct type *, struct type *);\
@ -142,7 +138,7 @@ attr struct type *name##_RB_MINMAX(struct name *, int); \
#define RB_GENERATE(name, type, field, cmp) \
RB_GENERATE_INTERNAL(name, type, field, cmp,)
#define RB_GENERATE_STATIC(name, type, field, cmp) \
RB_GENERATE_INTERNAL(name, type, field, cmp, static RB_UNUSED)
RB_GENERATE_INTERNAL(name, type, field, cmp, static unused_fn)
#define RB_GENERATE_INTERNAL(name, type, field, cmp, attr) \
attr void \
name##_RB_INSERT_COLOR(struct name *head, struct type *elm) \

6
src/util.h
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@ -20,6 +20,12 @@ typedef intptr_t ssize_t;
#define unused_var(v) ((void) (v))
#ifdef __clang__
#define unused_fn __attribute__((__unused__))
#else
#define unused_fn /* nothing */
#endif
#if defined(_MSC_VER) && _MSC_VER < 1900
/* Polyfill `inline` for msvc 12 (Visual Studio 2013) */
#define inline __inline