25 #ifndef SPA_UTILS_DEFS_H 26 #define SPA_UTILS_DEFS_H 62 #if defined(__clang__) && __cplusplus >= 201103L 64 # define SPA_FALLTHROUGH [[clang::fallthrough]]; 65 #elif __GNUC__ >= 7 || __clang_major__ >= 10 66 # define SPA_FALLTHROUGH __attribute__ ((fallthrough)); 68 # define SPA_FALLTHROUGH 71 #define SPA_FLAG_MASK(field,mask,flag) (((field) & (mask)) == (flag)) 72 #define SPA_FLAG_IS_SET(field,flag) SPA_FLAG_MASK(field,flag,flag) 73 #define SPA_FLAG_SET(field,flag) ((field) |= (flag)) 74 #define SPA_FLAG_CLEAR(field,flag) ((field) &= ~(flag)) 75 #define SPA_FLAG_UPDATE(field,flag,val) ((val) ? SPA_FLAG_SET(field,flag) : SPA_FLAG_CLEAR(field,flag)) 82 #define SPA_DIRECTION_REVERSE(d) ((d) ^ 1) 84 #define SPA_RECTANGLE(width,height) (struct spa_rectangle){ width, height } 90 #define SPA_POINT(x,y) (struct spa_point){ x, y } 96 #define SPA_REGION(x,y,width,height) (struct spa_region){ SPA_POINT(x,y), SPA_RECTANGLE(width,height) } 102 #define SPA_FRACTION(num,denom) (struct spa_fraction){ num, denom } 108 #define SPA_N_ELEMENTS(arr) (sizeof(arr) / sizeof((arr)[0])) 119 #define SPA_FOR_EACH_ELEMENT(arr, ptr) \ 120 for (ptr = arr; (void*)ptr < SPA_PTROFF(arr, sizeof(arr), void); ptr++) 122 #define SPA_MIN(a,b) \ 124 __typeof__(a) _min_a = (a); \ 125 __typeof__(b) _min_b = (b); \ 126 SPA_LIKELY(_min_a < _min_b) ? _min_a : _min_b; \ 128 #define SPA_MAX(a,b) \ 130 __typeof__(a) _max_a = (a); \ 131 __typeof__(b) _max_b = (b); \ 132 SPA_LIKELY(_max_a > _max_b) ? _max_a : _max_b; \ 134 #define SPA_CLAMP(v,low,high) \ 136 __typeof__(v) _v = (v); \ 137 __typeof__(low) _low = (low); \ 138 __typeof__(high) _high = (high); \ 139 SPA_MIN(SPA_MAX(_v, _low), _high); \ 142 #define SPA_SWAP(a,b) \ 144 __typeof__(a) _t = (a); \ 148 #define SPA_TYPECHECK(type,x) \ 151 (void)(&_dummy == &_dummy2); \ 158 #define SPA_PTROFF(ptr_,offset_,type_) ((type_*)((uint8_t*)(ptr_) + (int)(offset_))) 159 #define SPA_PTROFF_ALIGN(ptr_,offset_,alignment_,type_) \ 160 SPA_PTR_ALIGN(SPA_PTROFF(ptr_,offset_,type_),alignment_,type_) 166 #define SPA_MEMBER(b,o,t) SPA_PTROFF(b,o,t) 167 #define SPA_MEMBER_ALIGN(b,o,a,t) SPA_PTROFF_ALIGN(b,o,a,t) 169 #define SPA_CONTAINER_OF(p,t,m) (t*)((uint8_t*)p - offsetof (t,m)) 171 #define SPA_PTRDIFF(p1,p2) ((uint8_t*)(p1) - (uint8_t*)(p2)) 173 #define SPA_PTR_TO_INT(p) ((int) ((intptr_t) (p))) 174 #define SPA_INT_TO_PTR(u) ((void*) ((intptr_t) (u))) 176 #define SPA_PTR_TO_UINT32(p) ((uint32_t) ((uintptr_t) (p))) 177 #define SPA_UINT32_TO_PTR(u) ((void*) ((uintptr_t) (u))) 179 #define SPA_TIME_INVALID ((int64_t)INT64_MIN) 180 #define SPA_IDX_INVALID ((unsigned int)-1) 181 #define SPA_ID_INVALID ((uint32_t)0xffffffff) 183 #define SPA_NSEC_PER_SEC (1000000000ll) 184 #define SPA_NSEC_PER_MSEC (1000000ll) 185 #define SPA_NSEC_PER_USEC (1000ll) 186 #define SPA_USEC_PER_SEC (1000000ll) 187 #define SPA_USEC_PER_MSEC (1000ll) 188 #define SPA_MSEC_PER_SEC (1000ll) 190 #define SPA_TIMESPEC_TO_NSEC(ts) ((ts)->tv_sec * SPA_NSEC_PER_SEC + (ts)->tv_nsec) 191 #define SPA_TIMESPEC_TO_USEC(ts) ((ts)->tv_sec * SPA_USEC_PER_SEC + (ts)->tv_nsec / SPA_NSEC_PER_USEC) 192 #define SPA_TIMEVAL_TO_NSEC(tv) ((tv)->tv_sec * SPA_NSEC_PER_SEC + (tv)->tv_usec * SPA_NSEC_PER_USEC) 193 #define SPA_TIMEVAL_TO_USEC(tv) ((tv)->tv_sec * SPA_USEC_PER_SEC + (tv)->tv_usec) 196 #define SPA_PRINTF_FUNC(fmt, arg1) __attribute__((format(printf, fmt, arg1))) 197 #define SPA_ALIGNED(align) __attribute__((aligned(align))) 198 #define SPA_DEPRECATED __attribute__ ((deprecated)) 199 #define SPA_EXPORT __attribute__((visibility("default"))) 200 #define SPA_SENTINEL __attribute__((__sentinel__)) 201 #define SPA_UNUSED __attribute__ ((unused)) 203 #define SPA_PRINTF_FUNC(fmt, arg1) 204 #define SPA_ALIGNED(align) 205 #define SPA_DEPRECATED 211 #if defined(__STDC_VERSION__) && __STDC_VERSION__ >= 199901L 212 #define SPA_RESTRICT restrict 213 #elif defined(__GNUC__) && __GNUC__ >= 4 214 #define SPA_RESTRICT __restrict__ 219 #define SPA_ROUND_DOWN_N(num,align) ((num) & ~((align) - 1)) 220 #define SPA_ROUND_UP_N(num,align) SPA_ROUND_DOWN_N((num) + ((align) - 1),align) 222 #define SPA_PTR_ALIGNMENT(p,align) ((intptr_t)(p) & ((align)-1)) 223 #define SPA_IS_ALIGNED(p,align) (SPA_PTR_ALIGNMENT(p,align) == 0) 224 #define SPA_PTR_ALIGN(p,align,type) (type*)SPA_ROUND_UP_N((intptr_t)(p), (intptr_t)(align)) 228 #define SPA_LIKELY(x) (__builtin_expect(!!(x),1)) 229 #define SPA_UNLIKELY(x) (__builtin_expect(!!(x),0)) 231 #define SPA_LIKELY(x) (x) 232 #define SPA_UNLIKELY(x) (x) 236 #define SPA_STRINGIFY_1(...) #__VA_ARGS__ 237 #define SPA_STRINGIFY(...) SPA_STRINGIFY_1(__VA_ARGS__) 239 #define spa_return_if_fail(expr) \ 241 if (SPA_UNLIKELY(!(expr))) { \ 242 fprintf(stderr, "'%s' failed at %s:%u %s()\n", \ 243 #expr , __FILE__, __LINE__, __func__); \ 248 #define spa_return_val_if_fail(expr, val) \ 250 if (SPA_UNLIKELY(!(expr))) { \ 251 fprintf(stderr, "'%s' failed at %s:%u %s()\n", \ 252 #expr , __FILE__, __LINE__, __func__); \ 259 #define spa_assert_se(expr) \ 261 if (SPA_UNLIKELY(!(expr))) { \ 262 fprintf(stderr, "'%s' failed at %s:%u %s()\n", \ 263 #expr , __FILE__, __LINE__, __func__); \ 268 #define spa_assert(expr) \ 270 if (SPA_UNLIKELY(!(expr))) { \ 271 fprintf(stderr, "'%s' failed at %s:%u %s()\n", \ 272 #expr , __FILE__, __LINE__, __func__); \ 277 #define spa_assert_not_reached() \ 279 fprintf(stderr, "Code should not be reached at %s:%u %s()\n", \ 280 __FILE__, __LINE__, __func__); \ 285 #define spa_nop() do {} while (false) 287 #define spa_memzero(x,l) (memset((x), 0, (l))) 288 #define spa_zero(x) (spa_memzero(&(x), sizeof(x))) 290 #ifdef SPA_DEBUG_MEMCPY 291 #define spa_memcpy(d,s,n) \ 293 fprintf(stderr, "%s:%u %s() memcpy(%p, %p, %zd)\n", \ 294 __FILE__, __LINE__, __func__, (d), (s), (size_t)(n)); \ 297 #define spa_memmove(d,s,n) \ 299 fprintf(stderr, "%s:%u %s() memmove(%p, %p, %zd)\n", \ 300 __FILE__, __LINE__, __func__, (d), (s), (size_t)(n)); \ 304 #define spa_memcpy(d,s,n) memcpy(d,s,n) 305 #define spa_memmove(d,s,n) memmove(d,s,n) 308 #define spa_aprintf(_fmt, ...) \ 311 if (asprintf(&(_strp), (_fmt), ## __VA_ARGS__ ) == -1) \ int32_t x
Definition: defs.h:92
uint32_t num
Definition: defs.h:104
uint32_t denom
Definition: defs.h:105
spa_direction
Definition: defs.h:77
uint32_t height
Definition: defs.h:87
struct spa_rectangle size
Definition: defs.h:99
uint32_t width
Definition: defs.h:86
int32_t y
Definition: defs.h:93
struct spa_point position
Definition: defs.h:98