lunaix-os/includes/lunaix/ds/hstr.h

   1 #ifndef __LUNAIX_HSTR_H
   2 #define __LUNAIX_HSTR_H
   3
   4 #include <lib/hash.h>
   5
   6 #define HSTR_FULL_HASH 32
   7
   8 struct hstr
   9 {
  10     unsigned int hash;
  11     unsigned int len;
  12     char* value;
  13 };
  14
  15 #define HSTR(str, length)                                                      \
  16     (struct hstr)                                                              \
  17     {                                                                          \
  18         .len = (length), .value = (str)                                        \
  19     }
  20
  21 #define HSTR_EQ(str1, str2) ((str1)->hash == (str2)->hash)
  22
  23 inline void
  24 hstr_rehash(struct hstr* hash_str, unsigned int truncate_to)
  25 {
  26     hash_str->hash = strhash_32(hash_str->value, truncate_to);
  27 }
  28
  29 #endif /* __LUNAIX_HSTR_H */