81 lines
2.4 KiB
C
81 lines
2.4 KiB
C
/*
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* $Id: macros.h,v 1.45 2007-02-03 10:52:36 bacon Exp $
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*
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* {License}
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*/
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#ifndef _ASE_MACROS_H_
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#define _ASE_MACROS_H_
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#include <ase/types.h>
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#ifdef __cplusplus
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/*#define ASE_NULL ((ase_uint_t)0)*/
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#define ASE_NULL (0)
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#else
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#define ASE_NULL ((void*)0)
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#endif
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#define ASE_CHAR_EOF ((ase_cint_t)-1)
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#define ASE_SIZEOF(n) (sizeof(n))
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#define ASE_COUNTOF(n) (sizeof(n)/sizeof(n[0]))
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#define ASE_OFFSETOF(type,member) ((ase_size_t)&((type*)0)->member)
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#define ASE_TYPE_IS_SIGNED(type) (((type)0) > ((type)-1))
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#define ASE_TYPE_IS_UNSIGNED(type) (((type)0) < ((type)-1))
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#define ASE_TYPE_MAX(type) \
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((ASE_TYPE_IS_SIGNED(type)? (type)~((type)1 << (ASE_SIZEOF(type) * 8 - 1)): (type)(~(type)0)))
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#define ASE_TYPE_MIN(type) \
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((ASE_TYPE_IS_SIGNED(type)? (type)((type)1 << (ASE_SIZEOF(type) * 8 - 1)): (type)0))
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#define ASE_IS_POWOF2(x) (((x) & ((x) - 1)) == 0)
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#define ASE_SWAP(x,y,original_type,casting_type) \
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do { \
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x = (original_type)((casting_type)(x) ^ (casting_type)(y)); \
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y = (original_type)((casting_type)(y) ^ (casting_type)(x)); \
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x = (original_type)((casting_type)(x) ^ (casting_type)(y)); \
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} while (0)
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#define ASE_ABS(x) ((x) < 0? -(x): (x))
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#define ASE_LOOP_CONTINUE(id) goto __loop_ ## id ## _begin__;
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#define ASE_LOOP_BREAK(id) goto __loop_ ## id ## _end__;
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#define ASE_LOOP_BEGIN(id) __loop_ ## id ## _begin__: {
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#define ASE_LOOP_END(id) ASE_LOOP_CONTINUE(id) } __loop_ ## id ## _end__:;
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#define ASE_REPEAT(n,blk) \
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do { \
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ase_size_t __ase_repeat_x1 = (ase_size_t)(n); \
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ase_size_t __ase_repeat_x2 = __ase_repeat_x1 >> 4; \
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__ase_repeat_x1 &= 15; \
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while (__ase_repeat_x1-- > 0) { blk; } \
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while (__ase_repeat_x2-- > 0) { \
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blk; blk; blk; blk; blk; blk; blk; blk; \
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blk; blk; blk; blk; blk; blk; blk; blk; \
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} \
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} while (0);
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#define ASE_MQ_I(val) #val
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#define ASE_MQ(val) ASE_MQ_I(val)
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#define ASE_MC(ch) ((ase_mchar_t)ch)
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#define ASE_MS(str) ((const ase_mchar_t*)str)
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#define ASE_MT(txt) (txt)
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#define ASE_WQ_I(val) (L ## #val)
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#define ASE_WQ(val) ASE_WQ_I(val)
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#define ASE_WC(ch) ((ase_wchar_t)L ## ch)
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#define ASE_WS(str) ((const ase_wchar_t*)L ## str)
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#define ASE_WT(txt) (L ## txt)
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#if defined(ASE_CHAR_IS_MCHAR)
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#define ASE_C(ch) ASE_MC(ch)
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#define ASE_S(str) ASE_MS(str)
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#define ASE_T(txt) ASE_MT(txt)
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#else
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#define ASE_C(ch) ASE_WC(ch)
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#define ASE_S(str) ASE_WS(str)
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#define ASE_T(txt) ASE_WT(txt)
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#endif
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#endif
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