mhl/strhash.h

   1 #ifndef __MHL_STRHASH_H
   2 #define __MHL_STRHASH_H
   3
   4 #include <hash.h>
   5 #include <mhl/memory.h>
   6
   7 static void __mhl_strhash_free_key(void* ptr)
   8 {
   9     mhl_mem_free(ptr);
  10 }
  11
  12 static void __mhl_strhash_free_dummy(void* ptr)
  13 {
  14 }
  15
  16 typedef hash    MHL_STRHASH;
  17
  18 #define MHL_STRHASH_DECLARE(n)          MHL_STRHASH n;
  19
  20 #define MHL_STRHASH_INIT(h)                     \
  21         hash_initialise(h, 997U,                \
  22                 hash_hash_string,               \
  23                 hash_compare_string,            \
  24                 hash_copy_string,               \
  25                 __mhl_strhash_free_key,         \
  26                 __mhl_strhash_free_dummy)
  27
  28 #define MHL_STRHASH_DECLARE_INIT(n)             \
  29         MHL_STRHASH_DECLARE(n);                 \
  30         MHL_STRHASH_INIT(&n);
  31
  32 #define MHL_STRHASH_DEINIT(ht)                  \
  33         hash_deinitialise(ht)
  34
  35 static inline void mhl_strhash_addkey(MHL_STRHASH* ht, const char* key, void* value)
  36 {
  37     hash_insert(ht, (char*)key, value);
  38 }
  39
  40 static inline void* mhl_strhash_lookup(MHL_STRHASH* ht, const char* key)
  41 {
  42     void* retptr;
  43     if (hash_retrieve(ht, (char*)key, &retptr))
  44         return retptr;
  45     else
  46         return NULL;
  47 }
  48
  49 #endif