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60918275 LP |
1 | /*-*- Mode: C; c-basic-offset: 8 -*-*/ |
2 | ||
3 | #ifndef foomacrohfoo | |
4 | #define foomacrohfoo | |
5 | ||
6 | #include <assert.h> | |
7 | #include <sys/types.h> | |
8 | ||
9 | #define __printf_attr(a,b) __attribute__ ((format (printf, a, b))) | |
10 | #define __sentinel __attribute__ ((sentinel)) | |
11 | #define __noreturn __attribute__((noreturn)) | |
12 | #define __unused __attribute__ ((unused)) | |
13 | #define __destructor __attribute__ ((destructor)) | |
14 | #define __pure __attribute__ ((pure)) | |
15 | #define __const __attribute__ ((const)) | |
16 | #define __deprecated __attribute__ ((deprecated)) | |
17 | #define __packed __attribute__ ((packed)) | |
18 | #define __malloc __attribute__ ((malloc)) | |
19 | ||
20 | /* Rounds up */ | |
21 | static inline size_t ALIGN(size_t l) { | |
22 | return ((l + sizeof(void*) - 1) & ~(sizeof(void*) - 1)); | |
23 | } | |
24 | ||
25 | #define ELEMENTSOF(x) (sizeof(x)/sizeof((x)[0])) | |
26 | ||
27 | #define MAX(a,b) \ | |
28 | __extension__ ({ \ | |
29 | typeof(a) _a = (a); \ | |
30 | typeof(b) _b = (b); \ | |
31 | _a > _b ? _a : _b; \ | |
32 | }) | |
33 | ||
34 | #define MIN(a,b) \ | |
35 | __extension__ ({ \ | |
36 | typeof(a) _a = (a); \ | |
37 | typeof(b) _b = (b); \ | |
38 | _a < _b ? _a : _b; \ | |
39 | }) | |
40 | ||
41 | #define CLAMP(x, low, high) \ | |
42 | __extension__ ({ \ | |
43 | typeof(x) _x = (x); \ | |
44 | typeof(low) _low = (low); \ | |
45 | typeof(high) _high = (high); \ | |
46 | ((_x > _high) ? _high : ((_x < _low) ? _low : _x)); \ | |
47 | }) | |
48 | ||
49 | ||
50 | ||
51 | #define assert_not_reached(t) assert(!(t)) | |
52 | ||
53 | #define assert_se(x) assert(x) | |
54 | ||
55 | #define assert_cc(expr) \ | |
56 | do { \ | |
57 | switch (0) { \ | |
58 | case 0: \ | |
59 | case !!(expr): \ | |
60 | ; \ | |
61 | } \ | |
62 | } while (false) | |
63 | ||
64 | #define PTR_TO_UINT(p) ((unsigned int) ((uintptr_t) (p))) | |
65 | #define UINT_TO_PTR(u) ((void*) ((uintptr_t) (u))) | |
66 | ||
67 | #define PTR_TO_UINT32(p) ((uint32_t) ((uintptr_t) (p))) | |
68 | #define UINT32_TO_PTR(u) ((void*) ((uintptr_t) (u))) | |
69 | ||
70 | #define PTR_TO_INT(p) ((int) ((intptr_t) (p))) | |
71 | #define INT_TO_PTR(u) ((void*) ((intptr_t) (u))) | |
72 | ||
73 | #define TO_INT32(p) ((int32_t) ((intptr_t) (p))) | |
74 | #define INT32_TO_PTR(u) ((void*) ((intptr_t) (u))) | |
75 | ||
76 | #endif |