#include "ruby/ruby.h"#include <stdio.h>#include <string.h>

Go to the source code of this file.
Data Structures | |
| struct | st_table_entry |
Defines | |
| #define | ST_DEFAULT_MAX_DENSITY 5 |
| #define | ST_DEFAULT_INIT_TABLE_SIZE 11 |
| #define | numberof(array) (int)(sizeof(array) / sizeof((array)[0])) |
| #define | alloc(type) (type*)malloc((size_t)sizeof(type)) |
| #define | Calloc(n, s) (char*)calloc((n),(s)) |
| #define | EQUAL(table, x, y) ((x)==(y) || (*table->type->compare)((x),(y)) == 0) |
| #define | do_hash(key, table) (unsigned int)(st_index_t)(*(table)->type->hash)((key)) |
| #define | do_hash_bin(key, table) (do_hash(key, table)%(table)->num_bins) |
| #define | MINSIZE 8 |
| #define | MAX_PACKED_NUMHASH (ST_DEFAULT_INIT_TABLE_SIZE/2) |
| #define | PTR_NOT_EQUAL(table, ptr, hash_val, key) ((ptr) != 0 && (ptr->hash != (hash_val) || !EQUAL((table), (key), (ptr)->key))) |
| #define | COLLISION |
| #define | FOUND_ENTRY |
| #define | FIND_ENTRY(table, ptr, hash_val, bin_pos) |
| #define | collision_check 0 |
| #define | collision_check 1 |
| #define | MORE_PACKABLE_P(table) |
| #define | ADD_DIRECT(table, key, value, hash_val, bin_pos) |
| #define | REMOVE_ENTRY(table, ptr) |
| #define | FNV1_32A_INIT 0x811c9dc5 |
| #define | FNV_32_PRIME 0x01000193 |
| #define | UNALIGNED_WORD_ACCESS 0 |
| #define | MURMUR 2 |
| #define | MurmurMagic 0x5bd1e995 |
| #define | murmur_step(h, k) murmur(h, k, 16) |
| #define | murmur1(h) murmur_step(h, 24) |
| #define | data_at(n) (st_index_t)((unsigned char)data[n]) |
| #define | UNALIGNED_ADD_4 UNALIGNED_ADD(2); UNALIGNED_ADD(1); UNALIGNED_ADD(0) |
| #define | UNALIGNED_ADD_ALL UNALIGNED_ADD_4 |
| #define | UNALIGNED_ADD(n) |
| #define | UNALIGNED_ADD(n) |
| #define | UNALIGNED_ADD(n) |
Typedefs | |
| typedef struct st_table_entry | st_table_entry |
Functions | |
| static st_index_t | strhash (st_data_t) |
| static st_index_t | strcasehash (st_data_t) |
| static void | rehash (st_table *) |
| static st_index_t | new_size (st_index_t size) |
| st_table * | st_init_table_with_size (const struct st_hash_type *type, st_index_t size) |
| st_table * | st_init_table (const struct st_hash_type *type) |
| st_table * | st_init_numtable (void) |
| st_table * | st_init_numtable_with_size (st_index_t size) |
| st_table * | st_init_strtable (void) |
| st_table * | st_init_strtable_with_size (st_index_t size) |
| st_table * | st_init_strcasetable (void) |
| st_table * | st_init_strcasetable_with_size (st_index_t size) |
| void | st_clear (st_table *table) |
| void | st_free_table (st_table *table) |
| size_t | st_memsize (const st_table *table) |
| int | st_lookup (st_table *table, register st_data_t key, st_data_t *value) |
| int | st_get_key (st_table *table, register st_data_t key, st_data_t *result) |
| static void | unpack_entries (register st_table *table) |
| int | st_insert (register st_table *table, register st_data_t key, st_data_t value) |
| int | st_insert2 (register st_table *table, register st_data_t key, st_data_t value, st_data_t(*func)(st_data_t)) |
| void | st_add_direct (st_table *table, st_data_t key, st_data_t value) |
| static void | rehash (register st_table *table) |
| st_table * | st_copy (st_table *old_table) |
| int | st_delete (register st_table *table, register st_data_t *key, st_data_t *value) |
| int | st_delete_safe (register st_table *table, register st_data_t *key, st_data_t *value, st_data_t never) |
| void | st_cleanup_safe (st_table *table, st_data_t never) |
| int | st_foreach (st_table *table, int(*func)(ANYARGS), st_data_t arg) |
| static st_index_t | murmur (st_index_t h, st_index_t k, int r) |
| static st_index_t | murmur_finish (st_index_t h) |
| st_index_t | st_hash (const void *ptr, size_t len, st_index_t h) |
| st_index_t | st_hash_uint32 (st_index_t h, uint32_t i) |
| st_index_t | st_hash_uint (st_index_t h, st_index_t i) |
| st_index_t | st_hash_end (st_index_t h) |
| st_index_t | st_hash_start (st_index_t h) |
| int | st_strcasecmp (const char *s1, const char *s2) |
| int | st_strncasecmp (const char *s1, const char *s2, size_t n) |
| int | st_numcmp (st_data_t x, st_data_t y) |
| st_index_t | st_numhash (st_data_t n) |
Variables | |
| static struct st_hash_type | type_numhash |
| static struct st_hash_type | type_strhash |
| static struct st_hash_type | type_strcasehash |
| static const unsigned int | primes [] |
| #define ADD_DIRECT | ( | table, | |||
| key, | |||||
| value, | |||||
| hash_val, | |||||
| bin_pos | ) |
Value:
do {\ st_table_entry *entry;\ if (table->num_entries > ST_DEFAULT_MAX_DENSITY * table->num_bins) {\ rehash(table);\ bin_pos = hash_val % table->num_bins;\ }\ \ entry = alloc(st_table_entry);\ \ entry->hash = hash_val;\ entry->key = key;\ entry->record = value;\ entry->next = table->bins[bin_pos];\ if (table->head != 0) {\ entry->fore = 0;\ (entry->back = table->tail)->fore = entry;\ table->tail = entry;\ }\ else {\ table->head = table->tail = entry;\ entry->fore = entry->back = 0;\ }\ table->bins[bin_pos] = entry;\ table->num_entries++;\ } while (0)
Definition at line 389 of file st.c.
Referenced by st_add_direct(), st_insert(), and st_insert2().
Definition at line 69 of file st.c.
Referenced by get_special_folder(), name_add(), onig_reg_init(), scan_env_add_mem_entry(), st_copy(), and st_init_table_with_size().
| #define Calloc | ( | n, | |||
| s | ) | (char*)calloc((n),(s)) |
| #define data_at | ( | n | ) | (st_index_t)((unsigned char)data[n]) |
| #define do_hash | ( | key, | |||
| table | ) | (unsigned int)(st_index_t)(*(table)->type->hash)((key)) |
Definition at line 75 of file st.c.
Referenced by st_add_direct(), st_get_key(), st_insert(), st_insert2(), and st_lookup().
| #define do_hash_bin | ( | key, | |||
| table | ) | (do_hash(key, table)%(table)->num_bins) |
| #define EQUAL | ( | table, | |||
| x, | |||||
| y | ) | ((x)==(y) || (*table->type->compare)((x),(y)) == 0) |
| #define FIND_ENTRY | ( | table, | |||
| ptr, | |||||
| hash_val, | |||||
| bin_pos | ) |
Value:
do {\ bin_pos = hash_val%(table)->num_bins;\ ptr = (table)->bins[bin_pos];\ FOUND_ENTRY;\ if (PTR_NOT_EQUAL(table, ptr, hash_val, key)) {\ COLLISION;\ while (PTR_NOT_EQUAL(table, ptr->next, hash_val, key)) {\ ptr = ptr->next;\ }\ ptr = ptr->next;\ }\ } while (0)
Definition at line 309 of file st.c.
Referenced by st_get_key(), st_insert(), st_insert2(), and st_lookup().
| #define FNV1_32A_INIT 0x811c9dc5 |
| #define FNV_32_PRIME 0x01000193 |
| #define MAX_PACKED_NUMHASH (ST_DEFAULT_INIT_TABLE_SIZE/2) |
| #define MINSIZE 8 |
| #define MORE_PACKABLE_P | ( | table | ) |
Value:
((st_index_t)((table)->num_entries+1) * 2 <= (table)->num_bins && \ (table)->num_entries+1 <= MAX_PACKED_NUMHASH)
Definition at line 385 of file st.c.
Referenced by st_add_direct(), st_insert(), and st_insert2().
| #define murmur1 | ( | h | ) | murmur_step(h, 24) |
| #define murmur_step | ( | h, | |||
| k | ) | murmur(h, k, 16) |
| #define MurmurMagic 0x5bd1e995 |
| #define numberof | ( | array | ) | (int)(sizeof(array) / sizeof((array)[0])) |
| #define PTR_NOT_EQUAL | ( | table, | |||
| ptr, | |||||
| hash_val, | |||||
| key | ) | ((ptr) != 0 && (ptr->hash != (hash_val) || !EQUAL((table), (key), (ptr)->key))) |
| #define REMOVE_ENTRY | ( | table, | |||
| ptr | ) |
Value:
do \ { \ if (ptr->fore == 0 && ptr->back == 0) { \ table->head = 0; \ table->tail = 0; \ } \ else { \ st_table_entry *fore = ptr->fore, *back = ptr->back; \ if (fore) fore->back = back; \ if (back) back->fore = fore; \ if (ptr == table->head) table->head = fore; \ if (ptr == table->tail) table->tail = back; \ } \ table->num_entries--; \ } while (0)
Definition at line 607 of file st.c.
Referenced by st_delete(), st_delete_safe(), and st_foreach().
| #define UNALIGNED_ADD | ( | n | ) |
Value:
case SIZEOF_ST_INDEX_T - (n) - 1: \ t |= data_at(n) << CHAR_BIT*(n)
| #define UNALIGNED_ADD_4 UNALIGNED_ADD(2); UNALIGNED_ADD(1); UNALIGNED_ADD(0) |
| #define UNALIGNED_ADD_ALL UNALIGNED_ADD_4 |
Referenced by st_hash().
| typedef struct st_table_entry st_table_entry |
| static st_index_t murmur | ( | st_index_t | h, | |
| st_index_t | k, | |||
| int | r | |||
| ) | [inline, static] |
| static st_index_t murmur_finish | ( | st_index_t | h | ) | [inline, static] |
Definition at line 1036 of file st.c.
References murmur(), and MurmurMagic.
Referenced by st_hash().
| static st_index_t new_size | ( | st_index_t | size | ) | [static] |
Definition at line 120 of file st.c.
References MINSIZE, numberof, primes, rb_eRuntimeError, and rb_raise().
Referenced by onigenc_property_list_add_property(), rehash(), and st_init_table_with_size().
| static void rehash | ( | register st_table * | table | ) | [static] |
Definition at line 536 of file st.c.
References st_table::bins, st_table_entry::fore, st_table_entry::hash, st_table::head, new_size(), st_table_entry::next, st_table::num_bins, and xrealloc.
| static void rehash | ( | st_table * | ) | [static] |
Definition at line 513 of file st.c.
References ADD_DIRECT, st_table::bins, do_hash, st_table::entries_packed, MORE_PACKABLE_P, st_table::num_bins, st_table::num_entries, and unpack_entries().
Definition at line 699 of file st.c.
References st_table::bins, st_table::entries_packed, free, st_table_entry::key, last, st_table_entry::next, st_table::num_bins, and st_table::num_entries.
| void st_clear | ( | st_table * | table | ) |
Definition at line 241 of file st.c.
References st_table::bins, st_table::entries_packed, free, st_table::head, st_table_entry::next, st_table::num_bins, st_table::num_entries, and st_table::tail.
Referenced by rb_hash_clear(), rb_thread_atfork_internal(), and st_free_table().
Definition at line 558 of file st.c.
References alloc, st_table_entry::back, st_table::bins, Calloc, st_table::entries_packed, st_table_entry::fore, free, st_table_entry::hash, st_table::head, st_table_entry::next, st_table::num_bins, st_free_table, and st_table::tail.
Definition at line 624 of file st.c.
References st_table::bins, do_hash_bin, st_table::entries_packed, EQUAL, free, st_table_entry::key, memmove(), st_table_entry::next, st_table::num_entries, st_table_entry::record, and REMOVE_ENTRY.
| int st_delete_safe | ( | register st_table * | table, | |
| register st_data_t * | key, | |||
| st_data_t * | value, | |||
| st_data_t | never | |||
| ) |
Definition at line 663 of file st.c.
References st_table::bins, do_hash_bin, st_table::entries_packed, EQUAL, st_table_entry::key, st_table_entry::next, st_table::num_entries, st_table_entry::record, and REMOVE_ENTRY.
Definition at line 735 of file st.c.
References st_table::bins, st_table::entries_packed, st_table_entry::fore, free, st_table_entry::hash, st_table::head, st_table_entry::key, last, memmove(), st_table_entry::next, st_table::num_bins, st_table::num_entries, st_table_entry::record, REMOVE_ENTRY, ST_CHECK, ST_CONTINUE, ST_DELETE, and ST_STOP.
| void st_free_table | ( | st_table * | table | ) |
Definition at line 354 of file st.c.
References st_table::bins, do_hash, st_table::entries_packed, FIND_ENTRY, st_table_entry::key, and st_table::num_entries.
| st_index_t st_hash | ( | const void * | ptr, | |
| size_t | len, | |||
| st_index_t | h | |||
| ) |
Definition at line 1058 of file st.c.
References CHAR_BIT, murmur_finish(), murmur_step, MurmurMagic, SIZEOF_ST_INDEX_T, and UNALIGNED_ADD_ALL.
Referenced by rb_memhash(), and strhash().
| st_index_t st_hash_end | ( | st_index_t | h | ) |
| st_index_t st_hash_start | ( | st_index_t | h | ) |
| st_index_t st_hash_uint | ( | st_index_t | h, | |
| st_index_t | i | |||
| ) |
| st_index_t st_hash_uint32 | ( | st_index_t | h, | |
| uint32_t | i | |||
| ) |
| st_table* st_init_numtable | ( | void | ) |
| st_table* st_init_numtable_with_size | ( | st_index_t | size | ) |
| st_table* st_init_strcasetable | ( | void | ) |
Definition at line 229 of file st.c.
References st_init_table.
Referenced by Init_transcode(), make_transcoder_entry(), rb_enc_init(), transcode_search_path(), and w_encoding().
| st_table* st_init_strcasetable_with_size | ( | st_index_t | size | ) |
| st_table* st_init_strtable | ( | void | ) |
| st_table* st_init_strtable_with_size | ( | st_index_t | size | ) |
| st_table* st_init_table | ( | const struct st_hash_type * | type | ) |
| st_table* st_init_table_with_size | ( | const struct st_hash_type * | type, | |
| st_index_t | size | |||
| ) |
Definition at line 167 of file st.c.
References alloc, st_table::bins, Calloc, st_table::entries_packed, getenv(), st_table::head, MAX_PACKED_NUMHASH, new_size(), st_table::num_bins, st_table::num_entries, st_table::tail, and st_table::type.
Definition at line 435 of file st.c.
References ADD_DIRECT, st_table::bins, do_hash, st_table::entries_packed, FIND_ENTRY, MORE_PACKABLE_P, st_table::num_entries, st_table_entry::record, and unpack_entries().
| int st_insert2 | ( | register st_table * | table, | |
| register st_data_t | key, | |||
| st_data_t | value, | |||
| st_data_t(*)(st_data_t) | func | |||
| ) |
Definition at line 473 of file st.c.
References ADD_DIRECT, st_table::bins, do_hash, st_table::entries_packed, FIND_ENTRY, MORE_PACKABLE_P, st_table::num_entries, st_table_entry::record, and unpack_entries().
Definition at line 325 of file st.c.
References st_table::bins, do_hash, st_table::entries_packed, FIND_ENTRY, st_table::num_entries, and st_table_entry::record.
| size_t st_memsize | ( | const st_table * | table | ) |
Definition at line 274 of file st.c.
References st_table::entries_packed, st_table::num_bins, and st_table::num_entries.
Referenced by autoload_memsize(), fiber_memsize(), memsize_of(), rb_generic_ivar_memsize(), thread_memsize(), and vm_memsize().
| st_index_t st_numhash | ( | st_data_t | n | ) |
| int st_strncasecmp | ( | const char * | s1, | |
| const char * | s2, | |||
| size_t | n | |||
| ) |
| static st_index_t strcasehash | ( | st_data_t | arg | ) | [static] |
| static st_index_t strhash | ( | st_data_t | arg | ) | [static] |
| static void unpack_entries | ( | register st_table * | table | ) | [static] |
Definition at line 417 of file st.c.
References st_table::bins, st_table::entries_packed, MAX_PACKED_NUMHASH, st_table::num_bins, st_table::num_entries, and st_insert.
Referenced by st_add_direct(), st_insert(), and st_insert2().
const unsigned int primes[] [static] |
struct st_hash_type type_numhash [static] |
struct st_hash_type type_strcasehash [static] |
struct st_hash_type type_strhash [static] |