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hashlib: simplify loopback. NFC

This commit is contained in:
Emil J. Tywoniak 2025-01-20 16:15:48 +01:00
parent 901935fbce
commit aa01ef3312
1 changed files with 4 additions and 16 deletions
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20
kernel/hashlib.h
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@ -142,7 +142,7 @@ using Hasher = HasherDJB32;
#define HASH_TOP_LOOP_FST [[nodiscard]] static inline Hasher hash #define HASH_TOP_LOOP_FST [[nodiscard]] static inline Hasher hash
#define HASH_TOP_LOOP_SND { \ #define HASH_TOP_LOOP_SND { \
Hasher h; \ Hasher h; \
h.eat(a); \ h = hash_into(a, h); \
return h; \ return h; \
} }
@ -239,11 +239,7 @@ struct hash_cstr_ops {
h.hash32(*(a++)); h.hash32(*(a++));
return h; return h;
} }
[[nodiscard]] static inline Hasher hash(const char *a) { HASH_TOP_LOOP_FST (const char *a) HASH_TOP_LOOP_SND
Hasher h;
h = hash_cstr_ops::hash_into(a, h);
return h;
}
}; };
template <> struct hash_ops<char*> : hash_cstr_ops {}; template <> struct hash_ops<char*> : hash_cstr_ops {};
@ -255,11 +251,7 @@ struct hash_ptr_ops {
[[nodiscard]] static inline Hasher hash_into(const void *a, Hasher h) { [[nodiscard]] static inline Hasher hash_into(const void *a, Hasher h) {
return hash_ops<uintptr_t>::hash_into((uintptr_t)a, h); return hash_ops<uintptr_t>::hash_into((uintptr_t)a, h);
} }
[[nodiscard]] static inline Hasher hash(const void *a) { HASH_TOP_LOOP_FST (const void *a) HASH_TOP_LOOP_SND
Hasher h;
h = hash_ptr_ops::hash_into(a, h);
return h;
}
}; };
struct hash_obj_ops { struct hash_obj_ops {
@ -275,11 +267,7 @@ struct hash_obj_ops {
return h; return h;
} }
template<typename T> template<typename T>
[[nodiscard]] static inline Hasher hash(const T *a) { HASH_TOP_LOOP_FST (const T *a) HASH_TOP_LOOP_SND
Hasher h;
h = hash_obj_ops::hash_into(a, h);
return h;
}
}; };
/** /**
* If you find yourself using this function, think hard * If you find yourself using this function, think hard