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redefined HCL_ALIGNOF() and added HCL_SFN()
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hyung-hwan 2024-04-28 13:40:56 +09:00
parent 06a135f852
commit c801556603
1 changed files with 12 additions and 0 deletions
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12
lib/hcl-cmn.h
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@ -720,8 +720,16 @@ struct hcl_ntime_t
* The HCL_ALIGNOF() macro returns the alignment size of a structure.
* Note that this macro may not work reliably depending on the type given.
*/
#if defined(__STDC_VERSION__) && (__STDC_VERSION__ >= 202311L) /* C23 */
#define HCL_ALIGNOF(type) alignof(type)
#elif defined(__STDC_VERSION__) && (__STDC_VERSION__ >= 201112L) /* C11 */
#define HCL_ALIGNOF(type) _Alignof(type)
#elif defined(__cplusplus) && (__cplusplus >= 201103L) /* C++11 */
#define HCL_ALIGNOF(type) alignof(type)
#else
#define HCL_ALIGNOF(type) HCL_OFFSETOF(struct { hcl_uint8_t d1; type d2; }, d2)
/*(sizeof(struct { hcl_uint8_t d1; type d2; }) - sizeof(type))*/
#endif
#if defined(__cplusplus)
# if (__cplusplus >= 201103L) /* C++11 */
@ -960,9 +968,13 @@ typedef struct hcl_t hcl_t;
#define HCL_IS_ALIGNED_POW2(x,y) (!HCL_IS_UNALIGNED_POW2(x,y))
#if defined(__cplusplus) || (defined(__STDC_VERSION__) && (__STDC_VERSION__>=199901L))
/* array index */
#define HCL_AID(x) [x]=
/* struct field name */
#define HCL_SFN(x) .x=
#else
#define HCL_AID(x)
#define HCL_SFN(x)
#endif
/* =========================================================================