sapi_types.h

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#ifndef SAFEAPI_COMMON_TYPES_H
#define SAFEAPI_COMMON_TYPES_H
 
#include <stdbool.h>
#include <stddef.h>
#include <stdint.h>
 
#ifdef __cplusplus
extern "C" {
#endif

typedef uint32_t sapi_duration_ms_t;

typedef uint64_t sapi_timestamp_ms_t;

#define SAFEAPI_STORAGE_ALIGN 8U
 
/* Portable alignment specifier: prefer C11 _Alignas, fall back to compiler
 * builtins so the headers remain usable from strict C99 toolchains. */
#if defined(__STDC_VERSION__) && (__STDC_VERSION__ >= 201112L)
#include <stdalign.h>
#define SAFEAPI_ALIGNED_(n) _Alignas(n)
#elif defined(_MSC_VER)
#define SAFEAPI_ALIGNED_(n) __declspec(align(n))
#elif defined(__GNUC__) || defined(__clang__)
#define SAFEAPI_ALIGNED_(n) __attribute__((aligned(n)))
#else
#define SAFEAPI_ALIGNED_(n) /* no portable alignment available */
#endif

#define SAFEAPI_DECLARE_STORAGE(type_name, byte_size)                   \
    typedef struct                                                      \
    {                                                                    \
        SAFEAPI_ALIGNED_(SAFEAPI_STORAGE_ALIGN)                          \
        unsigned char reserved_[(byte_size)];                           \
    } type_name
 
#ifdef __cplusplus
}
#endif
 
#endif /* SAFEAPI_COMMON_TYPES_H */
 /* TYPES */