hash.{h,c} from ratbox3, let's work around them! xD
This commit is contained in:
Valery Yatsko
parent
fd1e24eccb
commit
85958381ad
2 changed files with 885 additions and 834 deletions
216
include/hash.h
216
include/hash.h
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/*
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* ircd-ratbox: A slightly useful ircd.
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* hash.h: A header for the ircd hashtable code.
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*
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* Copyright (C) 1990 Jarkko Oikarinen and University of Oulu, Co Center
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* Copyright (C) 1996-2002 Hybrid Development Team
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* Copyright (C) 2002-2004 ircd-ratbox development team
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
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* USA
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*
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* $Id: hash.h 3177 2007-02-01 00:19:14Z jilles $
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*/
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#ifndef INCLUDED_hash_h
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#define INCLUDED_hash_h
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struct Dictionary;
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extern rb_dlink_list *clientTable;
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extern rb_dlink_list *channelTable;
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extern rb_dlink_list *idTable;
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extern rb_dlink_list *resvTable;
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extern rb_dlink_list *hostTable;
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extern rb_dlink_list *helpTable;
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extern struct Dictionary *nd_dict;
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/* Magic value for FNV hash functions */
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#define FNV1_32_INIT 0x811c9dc5UL
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/* Client hash table size, used in hash.c/s_debug.c */
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#define U_MAX_BITS 17
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#define U_MAX 131072 /* 2^17 */
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/* Channel hash table size, hash.c/s_debug.c */
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#define CH_MAX_BITS 16
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#define CH_MAX 65536 /* 2^16 */
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/* hostname hash table size */
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#define HOST_MAX_BITS 17
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#define HOST_MAX 131072 /* 2^17 */
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/* RESV/XLINE hash table size, used in hash.c */
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#define R_MAX_BITS 10
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#define R_MAX 1024 /* 2^10 */
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#define HASH_WALK(i, max, ptr, table) for (i = 0; i < max; i++) { RB_DLINK_FOREACH(ptr, table[i].head)
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#define HASH_WALK_SAFE(i, max, ptr, nptr, table) for (i = 0; i < max; i++) { RB_DLINK_FOREACH_SAFE(ptr, nptr, table[i].head)
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#define HASH_WALK_END }
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struct Client;
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struct Channel;
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struct ConfItem;
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struct cachefile;
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struct nd_entry;
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extern u_int32_t fnv_hash_upper(const unsigned char *s, int bits);
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extern u_int32_t fnv_hash(const unsigned char *s, int bits);
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extern u_int32_t fnv_hash_len(const unsigned char *s, int bits, int len);
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extern u_int32_t fnv_hash_upper_len(const unsigned char *s, int bits, int len);
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extern void init_hash(void);
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extern void add_to_client_hash(const char *name, struct Client *client);
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extern void del_from_client_hash(const char *name, struct Client *client);
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extern struct Client *find_client(const char *name);
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extern struct Client *find_named_client(const char *name);
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extern struct Client *find_server(struct Client *source_p, const char *name);
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extern void add_to_id_hash(const char *, struct Client *);
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extern void del_from_id_hash(const char *name, struct Client *client);
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extern struct Client *find_id(const char *name);
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extern struct Channel *get_or_create_channel(struct Client *client_p, const char *chname, int *isnew);
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extern void del_from_channel_hash(const char *name, struct Channel *chan);
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extern struct Channel *find_channel(const char *name);
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extern void add_to_hostname_hash(const char *, struct Client *);
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extern void del_from_hostname_hash(const char *, struct Client *);
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extern rb_dlink_node *find_hostname(const char *);
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extern void add_to_resv_hash(const char *name, struct ConfItem *aconf);
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extern void del_from_resv_hash(const char *name, struct ConfItem *aconf);
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extern struct ConfItem *hash_find_resv(const char *name);
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extern void clear_resv_hash(void);
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extern void hash_stats(struct Client *);
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#endif /* INCLUDED_hash_h */
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/*
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* ircd-ratbox: A slightly useful ircd.
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* hash.h: A header for the ircd hashtable code.
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*
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* Copyright (C) 1990 Jarkko Oikarinen and University of Oulu, Co Center
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* Copyright (C) 1996-2002 Hybrid Development Team
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* Copyright (C) 2002-2005 ircd-ratbox development team
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301
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* USA
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*
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* $Id: hash.h 24794 2007-12-28 02:36:59Z androsyn $
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*/
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#ifndef INCLUDED_hash_h
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#define INCLUDED_hash_h
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extern rb_dlink_list resvTable[];
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extern rb_dlink_list ndTable[];
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/* Magic value for FNV hash functions */
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#define FNV1_32_INIT 0x811c9dc5UL
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/* Client hash table size, used in hash.c/s_debug.c */
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#define U_MAX_BITS 17
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#define U_MAX (1<<U_MAX_BITS)
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/* Client fd hash table size, used in hash.c */
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#define CLI_FD_MAX 4096
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/* Channel hash table size, hash.c/s_debug.c */
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#define CH_MAX_BITS 16
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#define CH_MAX (1<<CH_MAX_BITS) /* 2^16 */
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/* hostname hash table size */
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#define HOST_MAX_BITS 17
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#define HOST_MAX (1<<HOST_MAX_BITS) /* 2^17 */
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/* RESV/XLINE hash table size, used in hash.c */
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#define R_MAX_BITS 10
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#define R_MAX (1<<R_MAX_BITS) /* 2^10 */
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#define HASH_WALK(i, max, ptr, table) for (i = 0; i < max; i++) { RB_DLINK_FOREACH(ptr, table[i].head)
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#define HASH_WALK_SAFE(i, max, ptr, nptr, table) for (i = 0; i < max; i++) { RB_DLINK_FOREACH_SAFE(ptr, nptr, table[i].head)
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#define HASH_WALK_END }
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typedef enum
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{
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HASH_CLIENT,
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HASH_ID,
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HASH_CHANNEL,
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HASH_HOSTNAME,
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HASH_RESV
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} hash_type;
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struct Client;
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struct Channel;
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struct ConfItem;
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struct cachefile;
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struct nd_entry;
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uint32_t fnv_hash_upper(const unsigned char *s, unsigned int bits, unsigned int unused);
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uint32_t fnv_hash(const unsigned char *s, unsigned int bits, unsigned int unused);
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uint32_t fnv_hash_len(const unsigned char *s, unsigned int bits, unsigned int len);
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uint32_t fnv_hash_upper_len(const unsigned char *s, unsigned int bits, unsigned int len);
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void init_hash(void);
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void add_to_hash(hash_type, const char *, void *);
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void del_from_hash(hash_type, const char *, void *);
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struct Client *find_any_client(const char *name);
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struct Client *find_client(const char *name);
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struct Client *find_named_client(const char *name);
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struct Client *find_server(struct Client *source_p, const char *name);
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struct Client *find_id(const char *name);
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struct Channel *get_or_create_channel(struct Client *client_p, const char *chname, int *isnew);
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struct Channel *find_channel(const char *name);
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rb_dlink_node *find_hostname(const char *);
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struct ConfItem *hash_find_resv(const char *name);
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void clear_resv_hash(void);
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void add_to_help_hash(const char *name, struct cachefile *hptr);
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void clear_help_hash(void);
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struct cachefile *hash_find_help(const char *name, int flags);
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void add_to_nd_hash(const char *name, struct nd_entry *nd);
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struct nd_entry *hash_find_nd(const char *name);
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void add_to_cli_fd_hash(struct Client *client_p);
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void del_from_cli_fd_hash(struct Client *client_p);
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struct Client *find_cli_fd_hash(int fd);
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void hash_stats(struct Client *);
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#endif /* INCLUDED_hash_h */
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1503
src/hash.c
1503
src/hash.c
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