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feature (strings): implemented DJB string hashing function

This commit is contained in:
antifallobst 2023-06-05 17:41:34 +02:00
parent e69065f889
commit 83f5e77d52
2 changed files with 13 additions and 1 deletions
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2
inc/utils/string.h
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@ -57,4 +57,6 @@ bool string_is_char_alpha (char chr);
bool string_is_char_uppercase (char chr); bool string_is_char_uppercase (char chr);
bool string_is_char_lowercase (char chr); bool string_is_char_lowercase (char chr);
uint32_t string_hash_djb (string_t str);
#endif //NOX_STRING_H #endif //NOX_STRING_H

10
src/utils/string.c
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@ -463,3 +463,13 @@ bool string_is_char_lowercase (char chr) {
} }
return false; return false;
} }
uint32_t string_hash_djb(string_t str) {
uint32_t hash = 5381;
while (*(++str) != '\0') {
hash = ((hash << 5) + hash) + (*str);
}
return hash;
}