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blender-archive/source/blender/blenlib/BLI_utildefines.h
Sergey Sharybin ae475e3554 Fix release build after recent fix for debug one
It's becoming annoying to have public API dependent on build type
and everything. Let's just always have API defined and do stubs
in the function implementation instead.
2016-08-16 15:06:16 +02:00

691 lines
29 KiB
C++

/*
* ***** BEGIN GPL LICENSE BLOCK *****
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software Foundation,
* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
* The Original Code is Copyright (C) 2001-2002 by NaN Holding BV.
* All rights reserved.
*
* The Original Code is: all of this file.
*
* Contributor(s): none yet.
*
* ***** END GPL LICENSE BLOCK *****
*/
#ifndef __BLI_UTILDEFINES_H__
#define __BLI_UTILDEFINES_H__
/** \file BLI_utildefines.h
* \ingroup bli
*/
#ifdef __cplusplus
extern "C" {
#endif
/* avoid many includes for now */
#include "BLI_sys_types.h"
#include "BLI_compiler_compat.h"
#ifndef NDEBUG /* for BLI_assert */
#include <stdio.h>
#endif
/* varargs macros (keep first so others can use) */
/* --- internal helpers --- */
#define _VA_NARGS_GLUE(x, y) x y
#define _VA_NARGS_RETURN_COUNT(\
_1_, _2_, _3_, _4_, _5_, _6_, _7_, _8_, _9_, _10_, _11_, _12_, _13_, _14_, _15_, _16_, \
_17_, _18_, _19_, _20_, _21_, _22_, _23_, _24_, _25_, _26_, _27_, _28_, _29_, _30_, _31_, _32_, \
_33_, _34_, _35_, _36_, _37_, _38_, _39_, _40_, _41_, _42_, _43_, _44_, _45_, _46_, _47_, _48_, \
_49_, _50_, _51_, _52_, _53_, _54_, _55_, _56_, _57_, _58_, _59_, _60_, _61_, _62_, _63_, _64_, \
count, ...) count
#define _VA_NARGS_EXPAND(args) _VA_NARGS_RETURN_COUNT args
/* 64 args max */
#define _VA_NARGS_COUNT(...) _VA_NARGS_EXPAND((__VA_ARGS__, \
64, 63, 62, 61, 60, 59, 58, 57, 56, 55, 54, 53, 52, 51, 50, 49, \
48, 47, 46, 45, 44, 43, 42, 41, 40, 39, 38, 37, 36, 35, 34, 33, \
32, 31, 30, 29, 28, 27, 26, 25, 24, 23, 22, 21, 20, 19, 18, 17, \
16, 15, 14, 13, 12, 11, 10, 9, 8, 7, 6, 5, 4, 3, 2, 1, 0))
#define _VA_NARGS_OVERLOAD_MACRO2(name, count) name##count
#define _VA_NARGS_OVERLOAD_MACRO1(name, count) _VA_NARGS_OVERLOAD_MACRO2(name, count)
#define _VA_NARGS_OVERLOAD_MACRO(name, count) _VA_NARGS_OVERLOAD_MACRO1(name, count)
/* --- expose for re-use --- */
#define VA_NARGS_CALL_OVERLOAD(name, ...) \
_VA_NARGS_GLUE(_VA_NARGS_OVERLOAD_MACRO(name, _VA_NARGS_COUNT(__VA_ARGS__)), (__VA_ARGS__))
/* useful for finding bad use of min/max */
#if 0
/* gcc only */
# define _TYPECHECK(a, b) ((void)(((typeof(a) *)0) == ((typeof(b) *)0)))
# define MIN2(x, y) (_TYPECHECK(x, y), (((x) < (y) ? (x) : (y))))
# define MAX2(x, y) (_TYPECHECK(x, y), (((x) > (y) ? (x) : (y))))
#endif
/* include after _VA_NARGS macro */
#include "BLI_compiler_typecheck.h"
/* min/max */
#if defined(__GNUC__) || defined(__clang__)
#define MIN2(a, b) __extension__ ({ \
typeof(a) a_ = (a); typeof(b) b_ = (b); \
((a_) < (b_) ? (a_) : (b_)); })
#define MAX2(a, b) __extension__ ({ \
typeof(a) a_ = (a); typeof(b) b_ = (b); \
((a_) > (b_) ? (a_) : (b_)); })
#define MIN3(a, b, c) __extension__ ({ \
typeof(a) a_ = (a); typeof(b) b_ = (b); typeof(c) c_ = (c); \
((a_ < b_) ? ((a_ < c_) ? a_ : c_) : ((b_ < c_) ? b_ : c_)); })
#define MAX3(a, b, c) __extension__ ({ \
typeof(a) a_ = (a); typeof(b) b_ = (b); typeof(c) c_ = (c); \
((a_ > b_) ? ((a_ > c_) ? a_ : c_) : ((b_ > c_) ? b_ : c_)); })
#define MIN4(a, b, c, d) __extension__ ({ \
typeof(a) a_ = (a); typeof(b) b_ = (b); typeof(c) c_ = (c); typeof(d) d_ = (d); \
((a_ < b_) ? ((a_ < c_) ? ((a_ < d_) ? a_ : d_) : ((c_ < d_) ? c_ : d_)) : \
((b_ < c_) ? ((b_ < d_) ? b_ : d_) : ((c_ < d_) ? c_ : d_))); })
#define MAX4(a, b, c, d) __extension__ ({ \
typeof(a) a_ = (a); typeof(b) b_ = (b); typeof(c) c_ = (c); typeof(d) d_ = (d); \
((a_ > b_) ? ((a_ > c_) ? ((a_ > d_) ? a_ : d_) : ((c_ > d_) ? c_ : d_)) : \
((b_ > c_) ? ((b_ > d_) ? b_ : d_) : ((c_ > d_) ? c_ : d_))); })
#else
#define MIN2(a, b) ((a) < (b) ? (a) : (b))
#define MAX2(a, b) ((a) > (b) ? (a) : (b))
#define MIN3(a, b, c) (MIN2(MIN2((a), (b)), (c)))
#define MIN4(a, b, c, d) (MIN2(MIN2((a), (b)), MIN2((c), (d))))
#define MAX3(a, b, c) (MAX2(MAX2((a), (b)), (c)))
#define MAX4(a, b, c, d) (MAX2(MAX2((a), (b)), MAX2((c), (d))))
#endif
/* min/max that return a value of our choice */
#define MAX3_PAIR(cmp_a, cmp_b, cmp_c, ret_a, ret_b, ret_c) \
((cmp_a > cmp_b) ? ((cmp_a > cmp_c) ? ret_a : ret_c) : \
((cmp_b > cmp_c) ? ret_b : ret_c))
#define MIN3_PAIR(cmp_a, cmp_b, cmp_c, ret_a, ret_b, ret_c) \
((cmp_a < cmp_b) ? ((cmp_a < cmp_c) ? ret_a : ret_c) : \
((cmp_b < cmp_c) ? ret_b : ret_c))
#define INIT_MINMAX(min, max) { \
(min)[0] = (min)[1] = (min)[2] = 1.0e30f; \
(max)[0] = (max)[1] = (max)[2] = -1.0e30f; \
} (void)0
#define INIT_MINMAX2(min, max) { \
(min)[0] = (min)[1] = 1.0e30f; \
(max)[0] = (max)[1] = -1.0e30f; \
} (void)0
#define DO_MIN(vec, min) { \
if ((min)[0] > (vec)[0]) (min)[0] = (vec)[0]; \
if ((min)[1] > (vec)[1]) (min)[1] = (vec)[1]; \
if ((min)[2] > (vec)[2]) (min)[2] = (vec)[2]; \
} (void)0
#define DO_MAX(vec, max) { \
if ((max)[0] < (vec)[0]) (max)[0] = (vec)[0]; \
if ((max)[1] < (vec)[1]) (max)[1] = (vec)[1]; \
if ((max)[2] < (vec)[2]) (max)[2] = (vec)[2]; \
} (void)0
#define DO_MINMAX(vec, min, max) { \
if ((min)[0] > (vec)[0] ) (min)[0] = (vec)[0]; \
if ((min)[1] > (vec)[1] ) (min)[1] = (vec)[1]; \
if ((min)[2] > (vec)[2] ) (min)[2] = (vec)[2]; \
if ((max)[0] < (vec)[0] ) (max)[0] = (vec)[0]; \
if ((max)[1] < (vec)[1] ) (max)[1] = (vec)[1]; \
if ((max)[2] < (vec)[2] ) (max)[2] = (vec)[2]; \
} (void)0
#define DO_MINMAX2(vec, min, max) { \
if ((min)[0] > (vec)[0] ) (min)[0] = (vec)[0]; \
if ((min)[1] > (vec)[1] ) (min)[1] = (vec)[1]; \
if ((max)[0] < (vec)[0] ) (max)[0] = (vec)[0]; \
if ((max)[1] < (vec)[1] ) (max)[1] = (vec)[1]; \
} (void)0
/* some math and copy defines */
#define SWAP(type, a, b) { \
type sw_ap; \
CHECK_TYPE(a, type); \
CHECK_TYPE(b, type); \
sw_ap = (a); \
(a) = (b); \
(b) = sw_ap; \
} (void)0
/* swap with a temp value */
#define SWAP_TVAL(tval, a, b) { \
CHECK_TYPE_PAIR(tval, a); \
CHECK_TYPE_PAIR(tval, b); \
(tval) = (a); \
(a) = (b); \
(b) = (tval); \
} (void)0
/* ELEM#(v, ...): is the first arg equal any others? */
/* internal helpers*/
#define _VA_ELEM2(v, a) \
((v) == (a))
#define _VA_ELEM3(v, a, b) \
(_VA_ELEM2(v, a) || ((v) == (b)))
#define _VA_ELEM4(v, a, b, c) \
(_VA_ELEM3(v, a, b) || ((v) == (c)))
#define _VA_ELEM5(v, a, b, c, d) \
(_VA_ELEM4(v, a, b, c) || ((v) == (d)))
#define _VA_ELEM6(v, a, b, c, d, e) \
(_VA_ELEM5(v, a, b, c, d) || ((v) == (e)))
#define _VA_ELEM7(v, a, b, c, d, e, f) \
(_VA_ELEM6(v, a, b, c, d, e) || ((v) == (f)))
#define _VA_ELEM8(v, a, b, c, d, e, f, g) \
(_VA_ELEM7(v, a, b, c, d, e, f) || ((v) == (g)))
#define _VA_ELEM9(v, a, b, c, d, e, f, g, h) \
(_VA_ELEM8(v, a, b, c, d, e, f, g) || ((v) == (h)))
#define _VA_ELEM10(v, a, b, c, d, e, f, g, h, i) \
(_VA_ELEM9(v, a, b, c, d, e, f, g, h) || ((v) == (i)))
#define _VA_ELEM11(v, a, b, c, d, e, f, g, h, i, j) \
(_VA_ELEM10(v, a, b, c, d, e, f, g, h, i) || ((v) == (j)))
#define _VA_ELEM12(v, a, b, c, d, e, f, g, h, i, j, k) \
(_VA_ELEM11(v, a, b, c, d, e, f, g, h, i, j) || ((v) == (k)))
#define _VA_ELEM13(v, a, b, c, d, e, f, g, h, i, j, k, l) \
(_VA_ELEM12(v, a, b, c, d, e, f, g, h, i, j, k) || ((v) == (l)))
#define _VA_ELEM14(v, a, b, c, d, e, f, g, h, i, j, k, l, m) \
(_VA_ELEM13(v, a, b, c, d, e, f, g, h, i, j, k, l) || ((v) == (m)))
#define _VA_ELEM15(v, a, b, c, d, e, f, g, h, i, j, k, l, m, n) \
(_VA_ELEM14(v, a, b, c, d, e, f, g, h, i, j, k, l, m) || ((v) == (n)))
#define _VA_ELEM16(v, a, b, c, d, e, f, g, h, i, j, k, l, m, n, o) \
(_VA_ELEM15(v, a, b, c, d, e, f, g, h, i, j, k, l, m, n) || ((v) == (o)))
#define _VA_ELEM17(v, a, b, c, d, e, f, g, h, i, j, k, l, m, n, o, p) \
(_VA_ELEM16(v, a, b, c, d, e, f, g, h, i, j, k, l, m, n, o) || ((v) == (p)))
/* reusable ELEM macro */
#define ELEM(...) VA_NARGS_CALL_OVERLOAD(_VA_ELEM, __VA_ARGS__)
/* no-op for expressions we don't want to instansiate, but must remian valid */
#define EXPR_NOP(expr) (void)(0 ? ((void)(expr), 1) : 0)
/* shift around elements */
#define SHIFT3(type, a, b, c) { \
type tmp; \
CHECK_TYPE(a, type); \
CHECK_TYPE(b, type); \
CHECK_TYPE(c, type); \
tmp = a; \
a = c; \
c = b; \
b = tmp; \
} (void)0
#define SHIFT4(type, a, b, c, d) { \
type tmp; \
CHECK_TYPE(a, type); \
CHECK_TYPE(b, type); \
CHECK_TYPE(c, type); \
CHECK_TYPE(d, type); \
tmp = a; \
a = d; \
d = c; \
c = b; \
b = tmp; \
} (void)0
#define FTOCHAR(val) ((CHECK_TYPE_INLINE(val, float)), \
(char)(((val) <= 0.0f) ? 0 : (((val) > (1.0f - 0.5f / 255.0f)) ? 255 : ((255.0f * (val)) + 0.5f))))
#define FTOUSHORT(val) ((CHECK_TYPE_INLINE(val, float)), \
(unsigned short)((val >= 1.0f - 0.5f / 65535) ? 65535 : (val <= 0.0f) ? 0 : (val * 65535.0f + 0.5f)))
#define USHORTTOUCHAR(val) ((unsigned char)(((val) >= 65535 - 128) ? 255 : ((val) + 128) >> 8))
#define F3TOCHAR3(v2, v1) { \
(v1)[0] = FTOCHAR((v2[0])); \
(v1)[1] = FTOCHAR((v2[1])); \
(v1)[2] = FTOCHAR((v2[2])); \
} (void)0
#define F3TOCHAR4(v2, v1) { \
(v1)[0] = FTOCHAR((v2[0])); \
(v1)[1] = FTOCHAR((v2[1])); \
(v1)[2] = FTOCHAR((v2[2])); \
(v1)[3] = 255; \
} (void)0
#define F4TOCHAR4(v2, v1) { \
(v1)[0] = FTOCHAR((v2[0])); \
(v1)[1] = FTOCHAR((v2[1])); \
(v1)[2] = FTOCHAR((v2[2])); \
(v1)[3] = FTOCHAR((v2[3])); \
} (void)0
#define VECCOPY(v1, v2) { \
*(v1) = *(v2); \
*(v1 + 1) = *(v2 + 1); \
*(v1 + 2) = *(v2 + 2); \
} (void)0
#define VECCOPY2D(v1, v2) { \
*(v1) = *(v2); \
*(v1 + 1) = *(v2 + 1); \
} (void)0
#define VECADD(v1, v2, v3) { \
*(v1) = *(v2) + *(v3); \
*(v1 + 1) = *(v2 + 1) + *(v3 + 1); \
*(v1 + 2) = *(v2 + 2) + *(v3 + 2); \
} (void)0
#define VECSUB(v1, v2, v3) { \
*(v1) = *(v2) - *(v3); \
*(v1 + 1) = *(v2 + 1) - *(v3 + 1); \
*(v1 + 2) = *(v2 + 2) - *(v3 + 2); \
} (void)0
#define VECSUB2D(v1, v2, v3) { \
*(v1) = *(v2) - *(v3); \
*(v1 + 1) = *(v2 + 1) - *(v3 + 1); \
} (void)0
#define VECADDFAC(v1, v2, v3, fac) { \
*(v1) = *(v2) + *(v3) * (fac); \
*(v1 + 1) = *(v2 + 1) + *(v3 + 1) * (fac); \
*(v1 + 2) = *(v2 + 2) + *(v3 + 2) * (fac); \
} (void)0
#define VECMADD(v1, v2, v3, v4) { \
*(v1) = *(v2) + *(v3) * (*(v4)); \
*(v1 + 1) = *(v2 + 1) + *(v3 + 1) * (*(v4 + 1)); \
*(v1 + 2) = *(v2 + 2) + *(v3 + 2) * (*(v4 + 2)); \
} (void)0
#define VECSUBFAC(v1, v2, v3, fac) { \
*(v1) = *(v2) - *(v3) * (fac); \
*(v1 + 1) = *(v2 + 1) - *(v3 + 1) * (fac); \
*(v1 + 2) = *(v2 + 2) - *(v3 + 2) * (fac); \
} (void)0
/* some misc stuff.... */
/* avoid multiple access for supported compilers */
#if defined(__GNUC__) || defined(__clang__)
#define ABS(a) ({ \
typeof(a) a_ = (a); \
((a_) < 0 ? (-(a_)) : (a_)); })
#define SQUARE(a) ({ \
typeof(a) a_ = (a); \
((a_) * (a_)); })
#else
#define ABS(a) ((a) < 0 ? (-(a)) : (a))
#define SQUARE(a) ((a) * (a))
#endif
#define CLAMPIS(a, b, c) ((a) < (b) ? (b) : (a) > (c) ? (c) : (a))
#define CLAMP(a, b, c) { \
if ((a) < (b)) (a) = (b); \
else if ((a) > (c)) (a) = (c); \
} (void)0
#define CLAMP_MAX(a, c) { \
if ((a) > (c)) (a) = (c); \
} (void)0
#define CLAMP_MIN(a, b) { \
if ((a) < (b)) (a) = (b); \
} (void)0
#define CLAMP2(vec, b, c) { \
CLAMP((vec)[0], b, c); \
CLAMP((vec)[1], b, c); \
} (void)0
#define CLAMP2_MIN(vec, b) { \
CLAMP_MIN((vec)[0], b); \
CLAMP_MIN((vec)[1], b); \
} (void)0
#define CLAMP2_MAX(vec, b) { \
CLAMP_MAX((vec)[0], b); \
CLAMP_MAX((vec)[1], b); \
} (void)0
#define CLAMP3(vec, b, c) { \
CLAMP((vec)[0], b, c); \
CLAMP((vec)[1], b, c); \
CLAMP((vec)[2], b, c); \
} (void)0
#define CLAMP3_MIN(vec, b) { \
CLAMP_MIN((vec)[0], b); \
CLAMP_MIN((vec)[1], b); \
CLAMP_MIN((vec)[2], b); \
} (void)0
#define CLAMP3_MAX(vec, b) { \
CLAMP_MAX((vec)[0], b); \
CLAMP_MAX((vec)[1], b); \
CLAMP_MAX((vec)[2], b); \
} (void)0
#define CLAMP4(vec, b, c) { \
CLAMP((vec)[0], b, c); \
CLAMP((vec)[1], b, c); \
CLAMP((vec)[2], b, c); \
CLAMP((vec)[3], b, c); \
} (void)0
#define CLAMP4_MIN(vec, b) { \
CLAMP_MIN((vec)[0], b); \
CLAMP_MIN((vec)[1], b); \
CLAMP_MIN((vec)[2], b); \
CLAMP_MIN((vec)[3], b); \
} (void)0
#define CLAMP4_MAX(vec, b) { \
CLAMP_MAX((vec)[0], b); \
CLAMP_MAX((vec)[1], b); \
CLAMP_MAX((vec)[2], b); \
CLAMP_MAX((vec)[3], b); \
} (void)0
#define IS_EQ(a, b) ( \
CHECK_TYPE_INLINE(a, double), CHECK_TYPE_INLINE(b, double), \
((fabs((double)((a) - (b))) >= (double) FLT_EPSILON) ? false : true))
#define IS_EQF(a, b) ( \
CHECK_TYPE_INLINE(a, float), CHECK_TYPE_INLINE(b, float), \
((fabsf((float)((a) - (b))) >= (float) FLT_EPSILON) ? false : true))
#define IS_EQT(a, b, c) (((a) > (b)) ? ((((a) - (b)) <= (c))) : (((((b) - (a)) <= (c)))))
#define IN_RANGE(a, b, c) (((b) < (c)) ? (((b) < (a) && (a) < (c))) : (((c) < (a) && (a) < (b))))
#define IN_RANGE_INCL(a, b, c) (((b) < (c)) ? (((b) <= (a) && (a) <= (c))) : (((c) <= (a) && (a) <= (b))))
/* unpack vector for args */
#define UNPACK2(a) ((a)[0]), ((a)[1])
#define UNPACK3(a) UNPACK2(a), ((a)[2])
#define UNPACK4(a) UNPACK3(a), ((a)[3])
/* pre may be '&', '*' or func, post may be '->member' */
#define UNPACK2_EX(pre, a, post) (pre((a)[0])post), (pre((a)[1])post)
#define UNPACK3_EX(pre, a, post) UNPACK2_EX(pre, a, post), (pre((a)[2])post)
#define UNPACK4_EX(pre, a, post) UNPACK3_EX(pre, a, post), (pre((a)[3])post)
/* array helpers */
#define ARRAY_LAST_ITEM(arr_start, arr_dtype, tot) \
(arr_dtype *)((char *)(arr_start) + (sizeof(*((arr_dtype *)NULL)) * (size_t)(tot - 1)))
#define ARRAY_HAS_ITEM(arr_item, arr_start, tot) ( \
CHECK_TYPE_PAIR_INLINE(arr_start, arr_item), \
((unsigned int)((arr_item) - (arr_start)) < (unsigned int)(tot)))
#define ARRAY_DELETE(arr, index, tot_delete, tot) { \
BLI_assert(index + tot_delete <= tot); \
memmove(&(arr)[(index)], \
&(arr)[(index) + (tot_delete)], \
(((tot) - (index)) - (tot_delete)) * sizeof(*(arr))); \
} (void)0
/* assuming a static array */
#if defined(__GNUC__) && !defined(__cplusplus) && !defined(__clang__)
# define ARRAY_SIZE(arr) \
((sizeof(struct {int isnt_array : ((const void *)&(arr) == &(arr)[0]);}) * 0) + \
(sizeof(arr) / sizeof(*(arr))))
#else
# define ARRAY_SIZE(arr) (sizeof(arr) / sizeof(*(arr)))
#endif
/* ARRAY_SET_ITEMS#(v, ...): set indices of array 'v' */
/* internal helpers */
#define _VA_ARRAY_SET_ITEMS2(v, a) \
((v)[0] = (a))
#define _VA_ARRAY_SET_ITEMS3(v, a, b) \
_VA_ARRAY_SET_ITEMS2(v, a); ((v)[1] = (b))
#define _VA_ARRAY_SET_ITEMS4(v, a, b, c) \
_VA_ARRAY_SET_ITEMS3(v, a, b); ((v)[2] = (c))
#define _VA_ARRAY_SET_ITEMS5(v, a, b, c, d) \
_VA_ARRAY_SET_ITEMS4(v, a, b, c); ((v)[3] = (d))
#define _VA_ARRAY_SET_ITEMS6(v, a, b, c, d, e) \
_VA_ARRAY_SET_ITEMS5(v, a, b, c, d); ((v)[4] = (e))
#define _VA_ARRAY_SET_ITEMS7(v, a, b, c, d, e, f) \
_VA_ARRAY_SET_ITEMS6(v, a, b, c, d, e); ((v)[5] = (f))
#define _VA_ARRAY_SET_ITEMS8(v, a, b, c, d, e, f, g) \
_VA_ARRAY_SET_ITEMS7(v, a, b, c, d, e, f); ((v)[6] = (g))
#define _VA_ARRAY_SET_ITEMS9(v, a, b, c, d, e, f, g, h) \
_VA_ARRAY_SET_ITEMS8(v, a, b, c, d, e, f, g); ((v)[7] = (h))
#define _VA_ARRAY_SET_ITEMS10(v, a, b, c, d, e, f, g, h, i) \
_VA_ARRAY_SET_ITEMS9(v, a, b, c, d, e, f, g, h); ((v)[8] = (i))
#define _VA_ARRAY_SET_ITEMS11(v, a, b, c, d, e, f, g, h, i, j) \
_VA_ARRAY_SET_ITEMS10(v, a, b, c, d, e, f, g, h, i); ((v)[9] = (j))
#define _VA_ARRAY_SET_ITEMS12(v, a, b, c, d, e, f, g, h, i, j, k) \
_VA_ARRAY_SET_ITEMS11(v, a, b, c, d, e, f, g, h, i, j); ((v)[10] = (k))
#define _VA_ARRAY_SET_ITEMS13(v, a, b, c, d, e, f, g, h, i, j, k, l) \
_VA_ARRAY_SET_ITEMS12(v, a, b, c, d, e, f, g, h, i, j, k); ((v)[11] = (l))
#define _VA_ARRAY_SET_ITEMS14(v, a, b, c, d, e, f, g, h, i, j, k, l, m) \
_VA_ARRAY_SET_ITEMS13(v, a, b, c, d, e, f, g, h, i, j, k, l); ((v)[12] = (m))
#define _VA_ARRAY_SET_ITEMS15(v, a, b, c, d, e, f, g, h, i, j, k, l, m, n) \
_VA_ARRAY_SET_ITEMS14(v, a, b, c, d, e, f, g, h, i, j, k, l, m); ((v)[13] = (n))
#define _VA_ARRAY_SET_ITEMS16(v, a, b, c, d, e, f, g, h, i, j, k, l, m, n, o) \
_VA_ARRAY_SET_ITEMS15(v, a, b, c, d, e, f, g, h, i, j, k, l, m, n); ((v)[14] = (o))
#define _VA_ARRAY_SET_ITEMS17(v, a, b, c, d, e, f, g, h, i, j, k, l, m, n, o, p) \
_VA_ARRAY_SET_ITEMS16(v, a, b, c, d, e, f, g, h, i, j, k, l, m, n, o); ((v)[15] = (p))
/* reusable ARRAY_SET_ITEMS macro */
#define ARRAY_SET_ITEMS(...) { VA_NARGS_CALL_OVERLOAD(_VA_ARRAY_SET_ITEMS, __VA_ARGS__); } (void)0
#if defined(__GNUC__) || defined(__clang__)
#define POINTER_OFFSET(v, ofs) \
((typeof(v))((char *)(v) + (ofs)))
#else
#define POINTER_OFFSET(v, ofs) \
((void *)((char *)(v) + (ofs)))
#endif
/* Like offsetof(typeof(), member), for non-gcc compilers */
#define OFFSETOF_STRUCT(_struct, _member) \
((((char *)&((_struct)->_member)) - ((char *)(_struct))) + sizeof((_struct)->_member))
/**
* memcpy helper, skipping the first part of a struct,
* ensures 'struct_dst' isn't const and the offset can be computed at compile time.
* This isn't inclusive, the value of \a member isn't copied.
*/
#define MEMCPY_STRUCT_OFS(struct_dst, struct_src, member) { \
CHECK_TYPE_NONCONST(struct_dst); \
((void)(struct_dst == struct_src), \
memcpy((char *)(struct_dst) + OFFSETOF_STRUCT(struct_dst, member), \
(char *)(struct_src) + OFFSETOF_STRUCT(struct_dst, member), \
sizeof(*(struct_dst)) - OFFSETOF_STRUCT(struct_dst, member))); \
} (void)0
#define MEMSET_STRUCT_OFS(struct_var, value, member) { \
CHECK_TYPE_NONCONST(struct_var); \
memset((char *)(struct_var) + OFFSETOF_STRUCT(struct_var, member), \
value, \
sizeof(*(struct_var)) - OFFSETOF_STRUCT(struct_var, member)); \
} (void)0
/* defined
* in memory_utils.c for now. I do not know where we should put it actually... */
#ifndef __BLI_MEMORY_UTILS_H__
extern bool BLI_memory_is_zero(const void *arr, const size_t arr_size);
#endif
#define MEMCMP_STRUCT_OFS_IS_ZERO(struct_var, member) \
(BLI_memory_is_zero( \
(char *)(struct_var) + OFFSETOF_STRUCT(struct_var, member), \
sizeof(*(struct_var)) - OFFSETOF_STRUCT(struct_var, member)))
/* Warning-free macros for storing ints in pointers. Use these _only_
* for storing an int in a pointer, not a pointer in an int (64bit)! */
#define SET_INT_IN_POINTER(i) ((void *)(intptr_t)(i))
#define GET_INT_FROM_POINTER(i) ((void)0, ((int)(intptr_t)(i)))
#define SET_UINT_IN_POINTER(i) ((void *)(uintptr_t)(i))
#define GET_UINT_FROM_POINTER(i) ((void)0, ((unsigned int)(uintptr_t)(i)))
/* Macro to convert a value to string in the preprocessor
* STRINGIFY_ARG: gives the argument as a string
* STRINGIFY_APPEND: appends any argument 'b' onto the string argument 'a',
* used by STRINGIFY because some preprocessors warn about zero arguments
* STRINGIFY: gives the argument's value as a string */
#define STRINGIFY_ARG(x) "" #x
#define STRINGIFY_APPEND(a, b) "" a #b
#define STRINGIFY(x) STRINGIFY_APPEND("", x)
/* generic strcmp macros */
#if defined(_MSC_VER)
# define strcasecmp _stricmp
# define strncasecmp _strnicmp
#endif
#define STREQ(a, b) (strcmp(a, b) == 0)
#define STRCASEEQ(a, b) (strcasecmp(a, b) == 0)
#define STREQLEN(a, b, n) (strncmp(a, b, n) == 0)
#define STRCASEEQLEN(a, b, n) (strncasecmp(a, b, n) == 0)
#define STRPREFIX(a, b) (strncmp((a), (b), strlen(b)) == 0)
/* useful for debugging */
#define AT __FILE__ ":" STRINGIFY(__LINE__)
/* UNUSED macro, for function argument */
#ifdef __GNUC__
# define UNUSED(x) UNUSED_ ## x __attribute__((__unused__))
#else
# define UNUSED(x) UNUSED_ ## x
#endif
#ifdef __GNUC__
# define UNUSED_FUNCTION(x) __attribute__((__unused__)) UNUSED_ ## x
#else
# define UNUSED_FUNCTION(x) UNUSED_ ## x
#endif
/**
* UNUSED_VARS#(a, ...): quiet unused warnings
*
* \code{.py}
* for i in range(16):
* args = [(chr(ord('a') + (c % 26)) + (chr(ord('0') + (c // 26)))) for c in range(i + 1)]
* print("#define _VA_UNUSED_VARS_%d(%s) \\" % (i + 1, ", ".join(args)))
* print("\t((void)(%s)%s)" %
* (args[0], ((", _VA_UNUSED_VARS_" + str(i) + "(%s)") if i else "%s") % ", ".join((args[1:]))))
* \endcode
*/
#define _VA_UNUSED_VARS_1(a0) \
((void)(a0))
#define _VA_UNUSED_VARS_2(a0, b0) \
((void)(a0), _VA_UNUSED_VARS_1(b0))
#define _VA_UNUSED_VARS_3(a0, b0, c0) \
((void)(a0), _VA_UNUSED_VARS_2(b0, c0))
#define _VA_UNUSED_VARS_4(a0, b0, c0, d0) \
((void)(a0), _VA_UNUSED_VARS_3(b0, c0, d0))
#define _VA_UNUSED_VARS_5(a0, b0, c0, d0, e0) \
((void)(a0), _VA_UNUSED_VARS_4(b0, c0, d0, e0))
#define _VA_UNUSED_VARS_6(a0, b0, c0, d0, e0, f0) \
((void)(a0), _VA_UNUSED_VARS_5(b0, c0, d0, e0, f0))
#define _VA_UNUSED_VARS_7(a0, b0, c0, d0, e0, f0, g0) \
((void)(a0), _VA_UNUSED_VARS_6(b0, c0, d0, e0, f0, g0))
#define _VA_UNUSED_VARS_8(a0, b0, c0, d0, e0, f0, g0, h0) \
((void)(a0), _VA_UNUSED_VARS_7(b0, c0, d0, e0, f0, g0, h0))
#define _VA_UNUSED_VARS_9(a0, b0, c0, d0, e0, f0, g0, h0, i0) \
((void)(a0), _VA_UNUSED_VARS_8(b0, c0, d0, e0, f0, g0, h0, i0))
#define _VA_UNUSED_VARS_10(a0, b0, c0, d0, e0, f0, g0, h0, i0, j0) \
((void)(a0), _VA_UNUSED_VARS_9(b0, c0, d0, e0, f0, g0, h0, i0, j0))
#define _VA_UNUSED_VARS_11(a0, b0, c0, d0, e0, f0, g0, h0, i0, j0, k0) \
((void)(a0), _VA_UNUSED_VARS_10(b0, c0, d0, e0, f0, g0, h0, i0, j0, k0))
#define _VA_UNUSED_VARS_12(a0, b0, c0, d0, e0, f0, g0, h0, i0, j0, k0, l0) \
((void)(a0), _VA_UNUSED_VARS_11(b0, c0, d0, e0, f0, g0, h0, i0, j0, k0, l0))
#define _VA_UNUSED_VARS_13(a0, b0, c0, d0, e0, f0, g0, h0, i0, j0, k0, l0, m0) \
((void)(a0), _VA_UNUSED_VARS_12(b0, c0, d0, e0, f0, g0, h0, i0, j0, k0, l0, m0))
#define _VA_UNUSED_VARS_14(a0, b0, c0, d0, e0, f0, g0, h0, i0, j0, k0, l0, m0, n0) \
((void)(a0), _VA_UNUSED_VARS_13(b0, c0, d0, e0, f0, g0, h0, i0, j0, k0, l0, m0, n0))
#define _VA_UNUSED_VARS_15(a0, b0, c0, d0, e0, f0, g0, h0, i0, j0, k0, l0, m0, n0, o0) \
((void)(a0), _VA_UNUSED_VARS_14(b0, c0, d0, e0, f0, g0, h0, i0, j0, k0, l0, m0, n0, o0))
#define _VA_UNUSED_VARS_16(a0, b0, c0, d0, e0, f0, g0, h0, i0, j0, k0, l0, m0, n0, o0, p0) \
((void)(a0), _VA_UNUSED_VARS_15(b0, c0, d0, e0, f0, g0, h0, i0, j0, k0, l0, m0, n0, o0, p0))
/* reusable ELEM macro */
#define UNUSED_VARS(...) VA_NARGS_CALL_OVERLOAD(_VA_UNUSED_VARS_, __VA_ARGS__)
/* for debug-only variables */
#ifndef NDEBUG
# define UNUSED_VARS_NDEBUG(...)
#else
# define UNUSED_VARS_NDEBUG UNUSED_VARS
#endif
/* BLI_assert(), default only to print
* for aborting need to define WITH_ASSERT_ABORT
*/
#ifndef NDEBUG
# include "BLI_system.h"
# ifdef WITH_ASSERT_ABORT
# define _BLI_DUMMY_ABORT abort
# else
# define _BLI_DUMMY_ABORT() (void)0
# endif
# if defined(__GNUC__) || defined(_MSC_VER) /* check __func__ is available */
# define BLI_assert(a) \
(void)((!(a)) ? ( \
( \
BLI_system_backtrace(stderr), \
fprintf(stderr, \
"BLI_assert failed: %s:%d, %s(), at \'%s\'\n", \
__FILE__, __LINE__, __func__, STRINGIFY(a)), \
_BLI_DUMMY_ABORT(), \
NULL)) : NULL)
# else
# define BLI_assert(a) \
(void)((!(a)) ? ( \
( \
fprintf(stderr, \
"BLI_assert failed: %s:%d, at \'%s\'\n", \
__FILE__, __LINE__, STRINGIFY(a)), \
_BLI_DUMMY_ABORT(), \
NULL)) : NULL)
# endif
#else
# define BLI_assert(a) (void)0
#endif
/* C++ can't use _Static_assert, expects static_assert() but c++0x only,
* Coverity also errors out. */
#if (!defined(__cplusplus)) && \
(!defined(__COVERITY__)) && \
(defined(__GNUC__) && ((__GNUC__ * 100 + __GNUC_MINOR__) >= 406)) /* gcc4.6+ only */
# define BLI_STATIC_ASSERT(a, msg) __extension__ _Static_assert(a, msg);
#else
/* TODO msvc, clang */
# define BLI_STATIC_ASSERT(a, msg)
#endif
/* hints for branch prediction, only use in code that runs a _lot_ where */
#ifdef __GNUC__
# define LIKELY(x) __builtin_expect(!!(x), 1)
# define UNLIKELY(x) __builtin_expect(!!(x), 0)
#else
# define LIKELY(x) (x)
# define UNLIKELY(x) (x)
#endif
#ifdef __cplusplus
}
#endif
#endif /* __BLI_UTILDEFINES_H__ */