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| author | Kimplul <kimi.h.kuparinen@gmail.com> | 2024-10-27 21:57:02 +0200 |
|---|---|---|
| committer | Kimplul <kimi.h.kuparinen@gmail.com> | 2024-10-27 21:57:02 +0200 |
| commit | 1f57645d9550e486a5bc209a0652bfad7fb8872a (patch) | |
| tree | 2ff0fca8539c0fe147b463dca9e4d0e308336b95 /include/conts/conts.h | |
| parent | 5940254d9363ed8de9ba79a65cb074ec5aa4e69f (diff) | |
| download | conts-1f57645d9550e486a5bc209a0652bfad7fb8872a.tar.gz conts-1f57645d9550e486a5bc209a0652bfad7fb8872a.zip | |
add map
Diffstat (limited to 'include/conts/conts.h')
| -rw-r--r-- | include/conts/conts.h | 26 |
1 files changed, 6 insertions, 20 deletions
diff --git a/include/conts/conts.h b/include/conts/conts.h index d965aeb..862bd31 100644 --- a/include/conts/conts.h +++ b/include/conts/conts.h @@ -4,25 +4,11 @@ #define CONTS_JOIN2(a, b) a##_##b #define CONTS_JOIN(a, b) CONTS_JOIN2(a, b) -static inline unsigned long conts_strhash(const char *str) -{ - /* http://www.cse.yorku.ca/%7Eoz/hash.html, djb2 */ - unsigned long hash = 5381; - int c; - - while (c = *str++) - hash = ((hash << 5) + hash) + c; - - return hash; -} - -static inline unsigned long conts_inthash(unsigned long x) -{ - /* https://xorshift.di.unimi.it/splitmix64.c */ - x = (x ^ (x >> 30)) * 0xbf58476d1ce4e5b9ULL; - x = (x ^ (x >> 27)) * 0x94d049bb133111ebULL; - x = (x ^ (x >> 31)); - return x; -} +#define CONTAINER_OF(ptr, type, member) \ + (type *)((char *)(ptr) - offsetof(type, member)) +#define foreach(name, i, s)\ + for (auto i = CONTS_JOIN(name, begin)(s);\ + !CONTS_JOIN(name, end)(s, i);\ + i = CONTS_JOIN(name, next)(i)) #endif /* CONTS_H */ |