119 lines
3.5 KiB
C
119 lines
3.5 KiB
C
/*
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* $Id: macros.h,v 1.37 2006-10-24 04:30:13 bacon Exp $
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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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#if defined(_WIN32) && defined(ASE_CHAR_IS_WCHAR) && !defined(__LCC__)
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#define ase_main wmain
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#elif defined(ASE_CHAR_IS_MCHAR)
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#define ase_main main
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#endif
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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_NUM_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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/* obsolete */
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#define ASE_MQUOTE_I(val) #val
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#define ASE_MQUOTE(val) ASE_MQUOTE_I(val)
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#define ASE_MCHAR(ch) ((ase_mchar_t)ch)
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#define ASE_MTEXT(txt) ((const ase_mchar_t*)txt)
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/* new short form */
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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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/* TODO: if the compiler doesn't have the built-in wchar_t support
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* ASE_WCHAR & ASE_WTEXT must be defined differently.
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#define ASE_WCHAR(ch) ((ase_wchar_t)ch)
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#define ASE_WTEXT(txt) don't know yet... may have to call a function?
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*/
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/* obsolete */
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#define ASE_WQUOTE_I(val) (L###val)
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#define ASE_WQUOTE(val) ASE_WQUOTE_I(val)
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#define ASE_WCHAR(ch) ((ase_wchar_t)L##ch)
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#define ASE_WTEXT(txt) ((const ase_wchar_t*)L##txt)
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/* new short form */
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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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/* obsolete */
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#define ASE_CHAR(ch) ASE_MCHAR(ch)
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#define ASE_TEXT(txt) ASE_MTEXT(txt)
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#define ASE_QUOTE(val) ASE_MQUOTE(val)
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/* new short form */
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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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#define ASE_Q(val) ASE_MQ(val)
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#else
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/* obsolete */
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#define ASE_CHAR(ch) ASE_WCHAR(ch)
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#define ASE_TEXT(txt) ASE_WTEXT(txt)
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#define ASE_QUOTE(val) ASE_WQUOTE(val)
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/* new short form */
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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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#define ASE_Q(val) ASE_WQ(val)
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#endif
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#endif
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