defs.h File Reference

spa/utils/defs.h More...

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Data Structures
struct	spa_rectangle
struct	spa_point
struct	spa_region
struct	spa_fraction

Macros
#define	SPA_STATIC_ASSERT_IMPL(expr, ...)    ((void)sizeof(struct { int spa_static_assertion_failed : 2 * !!(expr) - 1; }))
#define	SPA_STATIC_ASSERT(expr, ...)   SPA_STATIC_ASSERT_IMPL(expr, ## __VA_ARGS__, "`" #expr "` evaluated to false")
#define	SPA_FALLTHROUGH   /* FALLTHROUGH */
	SPA_FALLTHROUGH is an annotation to suppress compiler warnings about switch cases that fall through without a break or return statement.
#define	SPA_FLAG_MASK(field, mask, flag)   (((field) & (mask)) == (flag))
#define	SPA_FLAG_IS_SET(field, flag)   SPA_FLAG_MASK(field, flag, flag)
#define	SPA_FLAG_SET(field, flag)   ((field) |= (flag))
#define	SPA_FLAG_CLEAR(field, flag)
#define	SPA_FLAG_UPDATE(field, flag, val)   ((val) ? SPA_FLAG_SET((field),(flag)) : SPA_FLAG_CLEAR((field),(flag)))
#define	SPA_DIRECTION_REVERSE(d)   ((d) ^ 1)
#define	SPA_RECTANGLE(width, height)   ((struct spa_rectangle){ (width), (height) })
#define	SPA_POINT(x, y)   ((struct spa_point){ (x), (y) })
#define	SPA_REGION(x, y, width, height)   ((struct spa_region){ SPA_POINT(x,y), SPA_RECTANGLE(width,height) })
#define	SPA_FRACTION(num, denom)   ((struct spa_fraction){ (num), (denom) })
#define	SPA_N_ELEMENTS(arr)   (sizeof(arr) / sizeof((arr)[0]))
#define	SPA_FOR_EACH_ELEMENT(arr, ptr)    for ((ptr) = arr; (void*)(ptr) < SPA_PTROFF(arr, sizeof(arr), void); (ptr)++)
	Array iterator macro.
#define	SPA_FOR_EACH_ELEMENT_VAR(arr, var)    for (__typeof__((arr)[0])* var = arr; (void*)(var) < SPA_PTROFF(arr, sizeof(arr), void); (var)++)
#define	SPA_ABS(a)
#define	SPA_MIN(a, b)
#define	SPA_MAX(a, b)
#define	SPA_CLAMP(v, low, high)
#define	SPA_CLAMPF(v, low, high)
#define	SPA_CLAMPD(v, low, high)
#define	SPA_SWAP(a, b)
#define	SPA_TYPECHECK(type, x)
#define	SPA_PTROFF(ptr_, offset_, type_)   ((type_*)((uintptr_t)(ptr_) + (ptrdiff_t)(offset_)))
	Return the address (buffer + offset) as pointer of type.
#define	SPA_PTROFF_ALIGN(ptr_, offset_, alignment_, type_)    SPA_PTR_ALIGN(SPA_PTROFF(ptr_,offset_,type_),alignment_,type_)
#define	SPA_MEMBER(b, o, t)   SPA_PTROFF(b,o,t)
	Deprecated, use SPA_PTROFF and SPA_PTROFF_ALIGN instead.
#define	SPA_MEMBER_ALIGN(b, o, a, t)   SPA_PTROFF_ALIGN(b,o,a,t)
#define	SPA_CONTAINER_OF(p, t, m)   ((t*)((uintptr_t)(p) - offsetof(t,m)))
#define	SPA_PTRDIFF(p1, p2)   ((intptr_t)(p1) - (intptr_t)(p2))
#define	SPA_PTR_TO_INT(p)   ((int) ((intptr_t) (p)))
#define	SPA_INT_TO_PTR(u)   ((void*) ((intptr_t) (u)))
#define	SPA_PTR_TO_UINT32(p)   ((uint32_t) ((uintptr_t) (p)))
#define	SPA_UINT32_TO_PTR(u)   ((void*) ((uintptr_t) (u)))
#define	SPA_TIME_INVALID   ((int64_t)INT64_MIN)
#define	SPA_IDX_INVALID   ((unsigned int)-1)
#define	SPA_ID_INVALID   ((uint32_t)0xffffffff)
#define	SPA_NSEC_PER_SEC   (1000000000LL)
#define	SPA_NSEC_PER_MSEC   (1000000ll)
#define	SPA_NSEC_PER_USEC   (1000ll)
#define	SPA_USEC_PER_SEC   (1000000ll)
#define	SPA_USEC_PER_MSEC   (1000ll)
#define	SPA_MSEC_PER_SEC   (1000ll)
#define	SPA_TIMESPEC_TO_NSEC(ts)   ((ts)->tv_sec * SPA_NSEC_PER_SEC + (ts)->tv_nsec)
#define	SPA_TIMESPEC_TO_USEC(ts)   ((ts)->tv_sec * SPA_USEC_PER_SEC + (ts)->tv_nsec / SPA_NSEC_PER_USEC)
#define	SPA_TIMEVAL_TO_NSEC(tv)   ((tv)->tv_sec * SPA_NSEC_PER_SEC + (tv)->tv_usec * SPA_NSEC_PER_USEC)
#define	SPA_TIMEVAL_TO_USEC(tv)   ((tv)->tv_sec * SPA_USEC_PER_SEC + (tv)->tv_usec)
#define	SPA_PRINTF_FUNC(fmt, arg1)
#define	SPA_FORMAT_ARG_FUNC(arg1)
#define	SPA_ALIGNED(align)
#define	SPA_DEPRECATED
#define	SPA_EXPORT
#define	SPA_SENTINEL
#define	SPA_UNUSED
#define	SPA_NORETURN
#define	SPA_WARN_UNUSED_RESULT
#define	SPA_RESTRICT
#define	SPA_ROUND_DOWN(num, value)
#define	SPA_ROUND_UP(num, value)
#define	SPA_ROUND_MASK(num, mask)   ((__typeof__(num))((mask)-1))
#define	SPA_ROUND_DOWN_N(num, align)   ((num) & ~SPA_ROUND_MASK(num, align))
#define	SPA_ROUND_UP_N(num, align)   ((((num)-1) | SPA_ROUND_MASK(num, align))+1)
#define	SPA_SCALE32_UP(val, num, denom)
#define	SPA_PTR_ALIGNMENT(p, align)   ((intptr_t)(p) & ((align)-1))
#define	SPA_IS_ALIGNED(p, align)   (SPA_PTR_ALIGNMENT(p,align) == 0)
#define	SPA_PTR_ALIGN(p, align, type)   ((type*)SPA_ROUND_UP_N((intptr_t)(p), (intptr_t)(align)))
#define	SPA_LIKELY(x)   (x)
#define	SPA_UNLIKELY(x)   (x)
#define	SPA_STRINGIFY_1(...)   #__VA_ARGS__
#define	SPA_STRINGIFY(...)   SPA_STRINGIFY_1(__VA_ARGS__)
#define	spa_return_if_fail(expr)
#define	spa_return_val_if_fail(expr, val)
#define	spa_assert_se(expr)
#define	spa_nop()   do {} while (false)
#define	spa_assert(expr)   spa_assert_se(expr)
#define	spa_assert_not_reached()
#define	spa_memzero(x, l)   (memset((x), 0, (l)))
#define	spa_zero(x)   (spa_memzero(&(x), sizeof(x)))
#define	spa_memcpy(d, s, n)   memcpy(d,s,n)
#define	spa_memmove(d, s, n)   memmove(d,s,n)
#define	spa_aprintf(_fmt, ...)

Enumerations
enum	spa_direction { SPA_DIRECTION_INPUT = 0 , SPA_DIRECTION_OUTPUT = 1 }

Detailed Description

spa/utils/defs.h

Macro Definition Documentation

SPA_STATIC_ASSERT_IMPL

#define SPA_STATIC_ASSERT_IMPL	(		expr,
			...
	)		((void)sizeof(struct { int spa_static_assertion_failed : 2 * !!(expr) - 1; }))

SPA_STATIC_ASSERT

#define SPA_STATIC_ASSERT	(		expr,
			...
	)		SPA_STATIC_ASSERT_IMPL(expr, ## __VA_ARGS__, "`" #expr "` evaluated to false")