mirror of
https://github.com/ZDoom/Raze.git
synced 2024-11-15 17:01:28 +00:00
Move hash table stuff out of engine.c and into hash.c/h.
git-svn-id: https://svn.eduke32.com/eduke32@5788 1a8010ca-5511-0410-912e-c29ae57300e0
This commit is contained in:
terminx
parent
aca0807a81
commit
cdcc983a22
9 changed files with 444 additions and 415 deletions
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@ -43,6 +43,7 @@ ENGINE_OBJS = \
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crc32 \
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defs \
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engine \
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hash \
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polymost \
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texcache \
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dxtfilter \
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@ -137,6 +137,7 @@ ENGINE_OBJS= \
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$(ENGINE_OBJ)\defs.$o \
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$(ENGINE_OBJ)\colmatch.$o \
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$(ENGINE_OBJ)\engine.$o \
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$(ENGINE_OBJ)\hash.$o \
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$(ENGINE_OBJ)\glbuild.$o \
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$(ENGINE_OBJ)\texcache.$o \
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$(ENGINE_OBJ)\kplib.$o \
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@ -10,6 +10,7 @@ $(ENGINE_OBJ)/config.$o: $(ENGINE_SRC)/config.c $(ENGINE_INC)/compat.h $(ENGINE_
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$(ENGINE_OBJ)/crc32.$o: $(ENGINE_SRC)/crc32.c $(ENGINE_INC)/crc32.h
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$(ENGINE_OBJ)/defs.$o: $(ENGINE_SRC)/defs.c $(ENGINE_INC)/build.h $(ENGINE_INC)/buildtypes.h $(ENGINE_INC)/baselayer.h $(ENGINE_INC)/scriptfile.h $(ENGINE_INC)/compat.h
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$(ENGINE_OBJ)/engine.$o: $(ENGINE_SRC)/engine.c $(ENGINE_INC)/compat.h $(ENGINE_INC)/build.h $(ENGINE_INC)/buildtypes.h $(ENGINE_INC)/pragmas.h $(ENGINE_INC)/cache1d.h $(ENGINE_INC)/a.h $(ENGINE_INC)/osd.h $(ENGINE_INC)/baselayer.h $(ENGINE_SRC)/engine_priv.h $(ENGINE_SRC)/engine_oldmap.h $(ENGINE_INC)/polymost.h $(ENGINE_INC)/hightile.h $(ENGINE_INC)/mdsprite.h $(ENGINE_INC)/polymer.h
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$(ENGINE_OBJ)/hash.$o: $(ENGINE_SRC)/hash.c $(ENGINE_INC)/hash.h
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$(ENGINE_OBJ)/polymost.$o: $(ENGINE_SRC)/polymost.c $(ENGINE_INC)/lz4.h $(ENGINE_INC)/compat.h $(ENGINE_INC)/build.h $(ENGINE_INC)/buildtypes.h $(ENGINE_SRC)/engine_priv.h $(ENGINE_INC)/polymost.h $(ENGINE_INC)/hightile.h $(ENGINE_INC)/mdsprite.h $(ENGINE_INC)/texcache.h
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$(ENGINE_OBJ)/texcache.$o: $(ENGINE_SRC)/texcache.c $(ENGINE_INC)/texcache.h $(ENGINE_INC)/polymost.h $(ENGINE_INC)/dxtfilter.h $(ENGINE_INC)/kplib.h
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$(ENGINE_OBJ)/dxtfilter.$o: $(ENGINE_SRC)/dxtfilter.c $(ENGINE_INC)/dxtfilter.h $(ENGINE_INC)/texcache.h
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@ -1405,56 +1405,7 @@ int32_t loaddefinitionsfile(const char *fn);
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// -2, board is dodgy
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int32_t loadoldboard(const char *filename, char fromwhere, vec3_t *dapos, int16_t *daang, int16_t *dacursectnum);
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// Hash functions
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typedef struct hashitem_ // size is 12/24 bytes.
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{
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char *string;
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intptr_t key;
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struct hashitem_ *next;
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} hashitem_t;
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typedef struct
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{
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int32_t size;
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hashitem_t **items;
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} hashtable_t;
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void hash_init(hashtable_t *t);
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void hash_loop(hashtable_t *t, void (*func)(const char *, intptr_t));
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void hash_free(hashtable_t *t);
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intptr_t hash_findcase(hashtable_t const * const t, char const * const s);
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intptr_t hash_find(hashtable_t const * const t, char const * const s);
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void hash_add(hashtable_t *t, const char *s, intptr_t key, int32_t replace);
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void hash_delete(hashtable_t *t, const char *s);
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// Hash functions
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// modified for raw binary keys and one big allocation, and maximum find() performance
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typedef struct inthashitem_
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{
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intptr_t key;
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intptr_t value;
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struct inthashitem_ *collision; // use NULL to signify empty and pointer identity to signify end of linked list
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} inthashitem_t;
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typedef struct
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{
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inthashitem_t * items;
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uint32_t count;
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} inthashtable_t;
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void inthash_init(inthashtable_t *t);
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void inthash_loop(inthashtable_t const *t, void (*func)(intptr_t, intptr_t));
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void inthash_free(inthashtable_t *t);
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intptr_t inthash_find(inthashtable_t const *t, intptr_t key);
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void inthash_add(inthashtable_t *t, intptr_t key, intptr_t value, int32_t replace);
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void inthash_delete(inthashtable_t *t, intptr_t key);
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// keep the load factor below 0.75 and make sure the size is odd
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// ideally we would find the next largest prime number
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#define INTHASH_SIZE(size) ((size * 4u / 3u) | 1u)
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#include "hash.h"
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#ifdef POLYMER
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# include "polymer.h"
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65
polymer/eduke32/build/include/hash.h
Normal file
65
polymer/eduke32/build/include/hash.h
Normal file
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@ -0,0 +1,65 @@
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#pragma once
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#ifndef hash_h_
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#define hash_h_
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#ifdef __cplusplus
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extern "C" {
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#endif
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// Hash functions
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typedef struct hashitem_ // size is 12/24 bytes.
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{
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char *string;
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intptr_t key;
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struct hashitem_ *next;
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} hashitem_t;
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typedef struct
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{
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int32_t size;
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hashitem_t **items;
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} hashtable_t;
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void hash_init(hashtable_t *t);
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void hash_loop(hashtable_t *t, void(*func)(const char *, intptr_t));
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void hash_free(hashtable_t *t);
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intptr_t hash_findcase(hashtable_t const * const t, char const * const s);
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intptr_t hash_find(hashtable_t const * const t, char const * const s);
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void hash_add(hashtable_t *t, const char *s, intptr_t key, int32_t replace);
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void hash_delete(hashtable_t *t, const char *s);
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// Hash functions
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// modified for raw binary keys and one big allocation, and maximum find() performance
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typedef struct inthashitem_
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{
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intptr_t key;
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intptr_t value;
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struct inthashitem_ *collision; // use NULL to signify empty and pointer identity to signify end of linked list
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} inthashitem_t;
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typedef struct
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{
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inthashitem_t * items;
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uint32_t count;
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} inthashtable_t;
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void inthash_init(inthashtable_t *t);
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void inthash_loop(inthashtable_t const *t, void(*func)(intptr_t, intptr_t));
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void inthash_free(inthashtable_t *t);
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intptr_t inthash_find(inthashtable_t const *t, intptr_t key);
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void inthash_add(inthashtable_t *t, intptr_t key, intptr_t value, int32_t replace);
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void inthash_delete(inthashtable_t *t, intptr_t key);
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// keep the load factor below 0.75 and make sure the size is odd
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// ideally we would find the next largest prime number
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#define INTHASH_SIZE(size) ((size * 4u / 3u) | 1u)
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#ifdef __cplusplus
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}
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#endif
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#endif
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@ -18373,371 +18373,6 @@ void setpolymost2dview(void)
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#endif
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}
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void hash_init(hashtable_t *t)
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{
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hash_free(t);
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t->items=(hashitem_t **)Xcalloc(1, t->size * sizeof(hashitem_t));
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}
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void hash_loop(hashtable_t *t, void (*func)(const char *, intptr_t))
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{
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if (t->items == NULL)
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return;
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for (int32_t i=0; i < t->size; i++)
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for (hashitem_t *item=t->items[i]; item != NULL; item = item->next)
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func(item->string, item->key);
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}
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void hash_free(hashtable_t *t)
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{
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if (t->items == NULL)
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return;
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int remaining = t->size - 1;
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do
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{
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hashitem_t *cur = t->items[remaining];
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int num = 0;
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while (cur)
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{
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hashitem_t * const tmp = cur;
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cur = cur->next;
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Bfree(tmp->string);
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Bfree(tmp);
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num++;
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}
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} while (--remaining >= 0);
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DO_FREE_AND_NULL(t->items);
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}
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// djb3 algorithm
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static inline uint32_t hash_getcode(const char *s)
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{
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uint32_t h = 5381;
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int32_t ch;
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while ((ch = *s++) != '\0')
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h = ((h << 5) + h) ^ ch;
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return h;
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}
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void hash_add(hashtable_t *t, const char *s, intptr_t key, int32_t replace)
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{
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#ifdef DEBUGGINGAIDS
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Bassert(t->items != NULL);
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#else
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if (EDUKE32_PREDICT_FALSE(t->items == NULL))
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{
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initprintf("hash_add(): table not initialized!\n");
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return;
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}
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#endif
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uint32_t code = hash_getcode(s) % t->size;
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hashitem_t *cur = t->items[code];
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if (!cur)
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{
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cur = (hashitem_t *)Xcalloc(1,sizeof(hashitem_t));
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cur->string = Xstrdup(s);
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cur->key = key;
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cur->next = NULL;
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t->items[code] = cur;
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return;
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}
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hashitem_t *prev = NULL;
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do
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{
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if (Bstrcmp(s,cur->string) == 0)
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{
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if (replace) cur->key = key;
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return;
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}
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prev = cur;
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}
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while ((cur = cur->next));
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cur = (hashitem_t *)Xcalloc(1,sizeof(hashitem_t));
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cur->string = Xstrdup(s);
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cur->key = key;
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cur->next = NULL;
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prev->next = cur;
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}
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// delete at most once
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void hash_delete(hashtable_t *t, const char *s)
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{
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#ifdef DEBUGGINGAIDS
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Bassert(t->items != NULL);
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#else
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if (t->items == NULL)
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{
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initprintf("hash_delete(): table not initialized!\n");
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return;
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}
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#endif
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uint32_t code = hash_getcode(s) % t->size;
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hashitem_t *cur = t->items[code];
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if (!cur)
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return;
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hashitem_t *prev = NULL;
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do
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{
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if (Bstrcmp(s, cur->string) == 0)
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{
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Bfree(cur->string);
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if (!prev)
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t->items[code] = cur->next;
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else
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prev->next = cur->next;
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Bfree(cur);
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break;
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}
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prev = cur;
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}
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while ((cur = cur->next));
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}
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intptr_t hash_find(const hashtable_t * const t, char const * const s)
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{
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#ifdef DEBUGGINGAIDS
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Bassert(t->items != NULL);
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#else
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if (t->items == NULL)
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{
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initprintf("hash_find(): table not initialized!\n");
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return -1;
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}
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#endif
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hashitem_t *cur = t->items[hash_getcode(s) % t->size];
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if (!cur)
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return -1;
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do
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if (Bstrcmp(s, cur->string) == 0)
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return cur->key;
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while ((cur = cur->next));
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return -1;
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}
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intptr_t hash_findcase(const hashtable_t * const t, char const * const s)
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{
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#ifdef DEBUGGINGAIDS
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Bassert(t->items != NULL);
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#else
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if (t->items == NULL)
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{
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initprintf("hash_findcase(): table not initialized!\n");
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return -1;
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}
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#endif
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hashitem_t *cur = t->items[hash_getcode(s) % t->size];
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if (!cur)
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return -1;
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do
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if (Bstrcasecmp(s, cur->string) == 0)
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return cur->key;
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while ((cur = cur->next));
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return -1;
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}
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void inthash_init(inthashtable_t *t)
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{
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if (EDUKE32_PREDICT_FALSE(!t->count))
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{
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initputs("inthash_add(): count is zero!\n");
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return;
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}
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inthash_free(t);
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t->items = (inthashitem_t *)Xcalloc(t->count, sizeof(inthashitem_t));
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}
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void inthash_loop(inthashtable_t const *t, void (*func)(intptr_t, intptr_t))
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{
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#ifdef DEBUGGINGAIDS
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Bassert(t->items != NULL);
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#else
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if (EDUKE32_PREDICT_FALSE(t->items == NULL))
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{
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initputs("inthash_loop(): table not initialized!\n");
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return;
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}
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#endif
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for (inthashitem_t const * item = t->items, * const items_end = t->items + t->count; item < items_end; ++item)
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func(item->key, item->value);
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}
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void inthash_free(inthashtable_t *t)
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{
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DO_FREE_AND_NULL(t->items);
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}
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// djb3 algorithm
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static inline uint32_t inthash_getcode(intptr_t key)
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{
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uint32_t h = 5381;
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for (uint8_t const * keybuf = (uint8_t *)&key, * const keybuf_end = keybuf + sizeof(intptr_t); keybuf < keybuf_end; ++keybuf)
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h = ((h << 5) + h) ^ (uint32_t)*keybuf;
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return h;
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}
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void inthash_add(inthashtable_t *t, intptr_t key, intptr_t value, int32_t replace)
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{
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#ifdef DEBUGGINGAIDS
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Bassert(t->items != NULL);
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#else
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if (EDUKE32_PREDICT_FALSE(t->items == NULL))
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{
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initputs("inthash_add(): table not initialized!\n");
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return;
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}
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#endif
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inthashitem_t * seeker = t->items + inthash_getcode(key) % t->count;
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if (seeker->collision == NULL)
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{
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seeker->key = key;
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seeker->value = value;
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seeker->collision = seeker;
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return;
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}
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if (seeker->key == key)
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{
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if (replace)
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seeker->value = value;
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return;
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}
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while (seeker != seeker->collision)
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{
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seeker = seeker->collision;
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if (seeker->key == key)
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{
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if (replace)
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seeker->value = value;
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return;
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}
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}
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inthashitem_t *tail = seeker;
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do
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tail = t->items + (tail - t->items + 1) % t->count;
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while (tail->collision != NULL && tail != seeker);
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if (EDUKE32_PREDICT_FALSE(tail == seeker))
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{
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initputs("inthash_add(): table full!\n");
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return;
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}
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tail->key = key;
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tail->value = value;
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tail->collision = seeker->collision = tail;
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}
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// delete at most once
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void inthash_delete(inthashtable_t *t, intptr_t key)
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{
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#ifdef DEBUGGINGAIDS
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Bassert(t->items != NULL);
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#else
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if (EDUKE32_PREDICT_FALSE(t->items == NULL))
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{
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initputs("inthash_delete(): table not initialized!\n");
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return;
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}
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#endif
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inthashitem_t * seeker = t->items + inthash_getcode(key) % t->count;
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if (seeker->collision == NULL)
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return;
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if (seeker->key == key)
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{
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seeker->collision = NULL;
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return;
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}
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while (seeker != seeker->collision)
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{
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inthashitem_t * const prev = seeker;
|
||||
seeker = seeker->collision;
|
||||
|
||||
if (seeker->key == key)
|
||||
{
|
||||
prev->collision = seeker == seeker->collision ? prev : seeker->collision;
|
||||
seeker->collision = NULL;
|
||||
return;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
intptr_t inthash_find(inthashtable_t const *t, intptr_t key)
|
||||
{
|
||||
#ifdef DEBUGGINGAIDS
|
||||
Bassert(t->items != NULL);
|
||||
#else
|
||||
if (EDUKE32_PREDICT_FALSE(t->items == NULL))
|
||||
{
|
||||
initputs("inthash_find(): table not initialized!\n");
|
||||
return -1;
|
||||
}
|
||||
#endif
|
||||
|
||||
inthashitem_t const * seeker = t->items + inthash_getcode(key) % t->count;
|
||||
|
||||
if (seeker->collision == NULL)
|
||||
return -1;
|
||||
|
||||
if (seeker->key == key)
|
||||
return seeker->value;
|
||||
|
||||
while (seeker != seeker->collision)
|
||||
{
|
||||
seeker = seeker->collision;
|
||||
|
||||
if (seeker->key == key)
|
||||
return seeker->value;
|
||||
}
|
||||
|
||||
return -1;
|
||||
}
|
||||
|
||||
/*
|
||||
* vim:ts=8:
|
||||
*/
|
||||
|
|
|
|||
367
polymer/eduke32/build/src/hash.c
Normal file
367
polymer/eduke32/build/src/hash.c
Normal file
|
|
@ -0,0 +1,367 @@
|
|||
|
||||
#include "compat.h"
|
||||
#include "hash.h"
|
||||
#include "baselayer.h"
|
||||
|
||||
void hash_init(hashtable_t *t)
|
||||
{
|
||||
hash_free(t);
|
||||
t->items=(hashitem_t **) Xcalloc(1, t->size * sizeof(hashitem_t));
|
||||
}
|
||||
|
||||
void hash_loop(hashtable_t *t, void(*func)(const char *, intptr_t))
|
||||
{
|
||||
if (t->items == NULL)
|
||||
return;
|
||||
|
||||
for (int32_t i=0; i < t->size; i++)
|
||||
for (hashitem_t *item=t->items[i]; item != NULL; item = item->next)
|
||||
func(item->string, item->key);
|
||||
}
|
||||
|
||||
void hash_free(hashtable_t *t)
|
||||
{
|
||||
if (t->items == NULL)
|
||||
return;
|
||||
|
||||
int remaining = t->size - 1;
|
||||
|
||||
do
|
||||
{
|
||||
hashitem_t *cur = t->items[remaining];
|
||||
|
||||
int num = 0;
|
||||
|
||||
while (cur)
|
||||
{
|
||||
hashitem_t * const tmp = cur;
|
||||
cur = cur->next;
|
||||
|
||||
Bfree(tmp->string);
|
||||
Bfree(tmp);
|
||||
num++;
|
||||
}
|
||||
} while (--remaining >= 0);
|
||||
|
||||
DO_FREE_AND_NULL(t->items);
|
||||
}
|
||||
|
||||
// djb3 algorithm
|
||||
static inline uint32_t hash_getcode(const char *s)
|
||||
{
|
||||
uint32_t h = 5381;
|
||||
int32_t ch;
|
||||
|
||||
while ((ch = *s++) != '\0')
|
||||
h = ((h << 5) + h) ^ ch;
|
||||
|
||||
return h;
|
||||
}
|
||||
|
||||
void hash_add(hashtable_t *t, const char *s, intptr_t key, int32_t replace)
|
||||
{
|
||||
#ifdef DEBUGGINGAIDS
|
||||
Bassert(t->items != NULL);
|
||||
#else
|
||||
if (EDUKE32_PREDICT_FALSE(t->items == NULL))
|
||||
{
|
||||
initprintf("hash_add(): table not initialized!\n");
|
||||
return;
|
||||
}
|
||||
#endif
|
||||
|
||||
uint32_t code = hash_getcode(s) % t->size;
|
||||
hashitem_t *cur = t->items[code];
|
||||
|
||||
if (!cur)
|
||||
{
|
||||
cur = (hashitem_t *) Xcalloc(1, sizeof(hashitem_t));
|
||||
cur->string = Xstrdup(s);
|
||||
cur->key = key;
|
||||
cur->next = NULL;
|
||||
t->items[code] = cur;
|
||||
return;
|
||||
}
|
||||
|
||||
hashitem_t *prev = NULL;
|
||||
|
||||
do
|
||||
{
|
||||
if (Bstrcmp(s, cur->string) == 0)
|
||||
{
|
||||
if (replace) cur->key = key;
|
||||
return;
|
||||
}
|
||||
prev = cur;
|
||||
} while ((cur = cur->next));
|
||||
|
||||
cur = (hashitem_t *) Xcalloc(1, sizeof(hashitem_t));
|
||||
cur->string = Xstrdup(s);
|
||||
cur->key = key;
|
||||
cur->next = NULL;
|
||||
prev->next = cur;
|
||||
}
|
||||
|
||||
// delete at most once
|
||||
void hash_delete(hashtable_t *t, const char *s)
|
||||
{
|
||||
#ifdef DEBUGGINGAIDS
|
||||
Bassert(t->items != NULL);
|
||||
#else
|
||||
if (t->items == NULL)
|
||||
{
|
||||
initprintf("hash_delete(): table not initialized!\n");
|
||||
return;
|
||||
}
|
||||
#endif
|
||||
|
||||
uint32_t code = hash_getcode(s) % t->size;
|
||||
hashitem_t *cur = t->items[code];
|
||||
|
||||
if (!cur)
|
||||
return;
|
||||
|
||||
hashitem_t *prev = NULL;
|
||||
|
||||
do
|
||||
{
|
||||
if (Bstrcmp(s, cur->string) == 0)
|
||||
{
|
||||
Bfree(cur->string);
|
||||
|
||||
if (!prev)
|
||||
t->items[code] = cur->next;
|
||||
else
|
||||
prev->next = cur->next;
|
||||
|
||||
Bfree(cur);
|
||||
|
||||
break;
|
||||
}
|
||||
prev = cur;
|
||||
} while ((cur = cur->next));
|
||||
}
|
||||
|
||||
intptr_t hash_find(const hashtable_t * const t, char const * const s)
|
||||
{
|
||||
#ifdef DEBUGGINGAIDS
|
||||
Bassert(t->items != NULL);
|
||||
#else
|
||||
if (t->items == NULL)
|
||||
{
|
||||
initprintf("hash_find(): table not initialized!\n");
|
||||
return -1;
|
||||
}
|
||||
#endif
|
||||
|
||||
hashitem_t *cur = t->items[hash_getcode(s) % t->size];
|
||||
|
||||
if (!cur)
|
||||
return -1;
|
||||
|
||||
do
|
||||
if (Bstrcmp(s, cur->string) == 0)
|
||||
return cur->key;
|
||||
while ((cur = cur->next));
|
||||
|
||||
return -1;
|
||||
}
|
||||
|
||||
intptr_t hash_findcase(const hashtable_t * const t, char const * const s)
|
||||
{
|
||||
#ifdef DEBUGGINGAIDS
|
||||
Bassert(t->items != NULL);
|
||||
#else
|
||||
if (t->items == NULL)
|
||||
{
|
||||
initprintf("hash_findcase(): table not initialized!\n");
|
||||
return -1;
|
||||
}
|
||||
#endif
|
||||
|
||||
hashitem_t *cur = t->items[hash_getcode(s) % t->size];
|
||||
|
||||
if (!cur)
|
||||
return -1;
|
||||
|
||||
do
|
||||
if (Bstrcasecmp(s, cur->string) == 0)
|
||||
return cur->key;
|
||||
while ((cur = cur->next));
|
||||
|
||||
return -1;
|
||||
}
|
||||
|
||||
|
||||
void inthash_init(inthashtable_t *t)
|
||||
{
|
||||
if (EDUKE32_PREDICT_FALSE(!t->count))
|
||||
{
|
||||
initputs("inthash_add(): count is zero!\n");
|
||||
return;
|
||||
}
|
||||
|
||||
inthash_free(t);
|
||||
|
||||
t->items = (inthashitem_t *) Xcalloc(t->count, sizeof(inthashitem_t));
|
||||
}
|
||||
|
||||
void inthash_loop(inthashtable_t const *t, void(*func)(intptr_t, intptr_t))
|
||||
{
|
||||
#ifdef DEBUGGINGAIDS
|
||||
Bassert(t->items != NULL);
|
||||
#else
|
||||
if (EDUKE32_PREDICT_FALSE(t->items == NULL))
|
||||
{
|
||||
initputs("inthash_loop(): table not initialized!\n");
|
||||
return;
|
||||
}
|
||||
#endif
|
||||
|
||||
for (inthashitem_t const * item = t->items, *const items_end = t->items + t->count; item < items_end; ++item)
|
||||
func(item->key, item->value);
|
||||
}
|
||||
|
||||
void inthash_free(inthashtable_t *t)
|
||||
{
|
||||
DO_FREE_AND_NULL(t->items);
|
||||
}
|
||||
|
||||
// djb3 algorithm
|
||||
static inline uint32_t inthash_getcode(intptr_t key)
|
||||
{
|
||||
uint32_t h = 5381;
|
||||
|
||||
for (uint8_t const * keybuf = (uint8_t *) &key, *const keybuf_end = keybuf + sizeof(intptr_t); keybuf < keybuf_end; ++keybuf)
|
||||
h = ((h << 5) + h) ^ (uint32_t) *keybuf;
|
||||
|
||||
return h;
|
||||
}
|
||||
|
||||
void inthash_add(inthashtable_t *t, intptr_t key, intptr_t value, int32_t replace)
|
||||
{
|
||||
#ifdef DEBUGGINGAIDS
|
||||
Bassert(t->items != NULL);
|
||||
#else
|
||||
if (EDUKE32_PREDICT_FALSE(t->items == NULL))
|
||||
{
|
||||
initputs("inthash_add(): table not initialized!\n");
|
||||
return;
|
||||
}
|
||||
#endif
|
||||
|
||||
inthashitem_t * seeker = t->items + inthash_getcode(key) % t->count;
|
||||
|
||||
if (seeker->collision == NULL)
|
||||
{
|
||||
seeker->key = key;
|
||||
seeker->value = value;
|
||||
seeker->collision = seeker;
|
||||
|
||||
return;
|
||||
}
|
||||
|
||||
if (seeker->key == key)
|
||||
{
|
||||
if (replace)
|
||||
seeker->value = value;
|
||||
return;
|
||||
}
|
||||
|
||||
while (seeker != seeker->collision)
|
||||
{
|
||||
seeker = seeker->collision;
|
||||
|
||||
if (seeker->key == key)
|
||||
{
|
||||
if (replace)
|
||||
seeker->value = value;
|
||||
return;
|
||||
}
|
||||
}
|
||||
|
||||
inthashitem_t *tail = seeker;
|
||||
|
||||
do
|
||||
tail = t->items + (tail - t->items + 1) % t->count;
|
||||
while (tail->collision != NULL && tail != seeker);
|
||||
|
||||
if (EDUKE32_PREDICT_FALSE(tail == seeker))
|
||||
{
|
||||
initputs("inthash_add(): table full!\n");
|
||||
return;
|
||||
}
|
||||
|
||||
tail->key = key;
|
||||
tail->value = value;
|
||||
tail->collision = seeker->collision = tail;
|
||||
}
|
||||
|
||||
// delete at most once
|
||||
void inthash_delete(inthashtable_t *t, intptr_t key)
|
||||
{
|
||||
#ifdef DEBUGGINGAIDS
|
||||
Bassert(t->items != NULL);
|
||||
#else
|
||||
if (EDUKE32_PREDICT_FALSE(t->items == NULL))
|
||||
{
|
||||
initputs("inthash_delete(): table not initialized!\n");
|
||||
return;
|
||||
}
|
||||
#endif
|
||||
|
||||
inthashitem_t * seeker = t->items + inthash_getcode(key) % t->count;
|
||||
|
||||
if (seeker->collision == NULL)
|
||||
return;
|
||||
|
||||
if (seeker->key == key)
|
||||
{
|
||||
seeker->collision = NULL;
|
||||
return;
|
||||
}
|
||||
|
||||
while (seeker != seeker->collision)
|
||||
{
|
||||
inthashitem_t * const prev = seeker;
|
||||
seeker = seeker->collision;
|
||||
|
||||
if (seeker->key == key)
|
||||
{
|
||||
prev->collision = seeker == seeker->collision ? prev : seeker->collision;
|
||||
seeker->collision = NULL;
|
||||
return;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
intptr_t inthash_find(inthashtable_t const *t, intptr_t key)
|
||||
{
|
||||
#ifdef DEBUGGINGAIDS
|
||||
Bassert(t->items != NULL);
|
||||
#else
|
||||
if (EDUKE32_PREDICT_FALSE(t->items == NULL))
|
||||
{
|
||||
initputs("inthash_find(): table not initialized!\n");
|
||||
return -1;
|
||||
}
|
||||
#endif
|
||||
|
||||
inthashitem_t const * seeker = t->items + inthash_getcode(key) % t->count;
|
||||
|
||||
if (seeker->collision == NULL)
|
||||
return -1;
|
||||
|
||||
if (seeker->key == key)
|
||||
return seeker->value;
|
||||
|
||||
while (seeker != seeker->collision)
|
||||
{
|
||||
seeker = seeker->collision;
|
||||
|
||||
if (seeker->key == key)
|
||||
return seeker->value;
|
||||
}
|
||||
|
||||
return -1;
|
||||
}
|
||||
|
|
@ -115,6 +115,7 @@
|
|||
<ClInclude Include="build\include\glbuild.h" />
|
||||
<ClInclude Include="build\include\glext.h" />
|
||||
<ClInclude Include="build\include\gtkbits.h" />
|
||||
<ClInclude Include="build\include\hash.h" />
|
||||
<ClInclude Include="build\include\hightile.h" />
|
||||
<ClInclude Include="build\include\jwzgles.h" />
|
||||
<ClInclude Include="build\include\jwzglesI.h" />
|
||||
|
|
@ -265,6 +266,7 @@
|
|||
<ClCompile Include="build\src\engine.c" />
|
||||
<ClCompile Include="build\src\glbuild.c" />
|
||||
<ClCompile Include="build\src\gtkbits.c" />
|
||||
<ClCompile Include="build\src\hash.c" />
|
||||
<ClCompile Include="build\src\hightile.c" />
|
||||
<ClCompile Include="build\src\jwzgles.c" />
|
||||
<ClCompile Include="build\src\kplib.c" />
|
||||
|
|
|
|||
|
|
@ -528,6 +528,9 @@
|
|||
<ClInclude Include="source\inv.h">
|
||||
<Filter>eduke32\headers</Filter>
|
||||
</ClInclude>
|
||||
<ClInclude Include="build\include\hash.h">
|
||||
<Filter>build\headers</Filter>
|
||||
</ClInclude>
|
||||
</ItemGroup>
|
||||
<ItemGroup>
|
||||
<ClCompile Include="build\src\a-c.c">
|
||||
|
|
@ -926,6 +929,9 @@
|
|||
<ClCompile Include="source\cmdline.c">
|
||||
<Filter>eduke32\source</Filter>
|
||||
</ClCompile>
|
||||
<ClCompile Include="build\src\hash.c">
|
||||
<Filter>build\source</Filter>
|
||||
</ClCompile>
|
||||
</ItemGroup>
|
||||
<ItemGroup>
|
||||
<None Include="Makefile.msvc">
|
||||
|
|
|
|||
Loading…
Reference in a new issue