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Data Structures | Macros | Enumerations
defs.h File Reference
SPA » Utilities » Miscellaneous

`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")