Written by Fred Fish <fnf@cygnus.com>
Rewritten by Jim Blandy <jimb@cygnus.com>
- Copyright (C) 1999-2019 Free Software Foundation, Inc.
+ Copyright (C) 1999-2020 Free Software Foundation, Inc.
This file is part of GDB.
*/
-struct bstring;
+namespace gdb {
-/* The hash functions */
-extern unsigned long hash (const void *addr, int length);
-extern unsigned long hash_continue (const void *addr, int length,
- unsigned long h);
+struct bstring;
struct bcache
{
/* Allocate a bcache. HASH_FN and COMPARE_FN can be used to pass in
custom hash, and compare functions to be used by this bcache. If
- HASH_FUNCTION is NULL hash() is used and if COMPARE_FUNCTION is
+ HASH_FUNCTION is NULL fast_hash() is used and if COMPARE_FUNCTION is
NULL memcmp() is used. */
explicit bcache (unsigned long (*hash_fn)(const void *,
int length) = nullptr,
int (*compare_fn)(const void *, const void *,
int length) = nullptr)
- : m_hash_function (hash_fn == nullptr ? hash : hash_fn),
+ : m_hash_function (hash_fn == nullptr ? default_hash : hash_fn),
m_compare_function (compare_fn == nullptr ? compare : compare_fn)
{
}
/* Default compare function. */
static int compare (const void *addr1, const void *addr2, int length);
+ /* Default hash function. */
+ static unsigned long default_hash (const void *ptr, int length)
+ {
+ return fast_hash (ptr, length, 0);
+ }
+
/* Expand the hash table. */
void expand_hash_table ();
};
+} /* namespace gdb */
+
#endif /* BCACHE_H */