60 lines
2.0 KiB
C
60 lines
2.0 KiB
C
#ifndef _HASH_H
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#define _HASH_H
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struct hashlist {
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char *name;
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void *ptr;
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struct hashlist *next;
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};
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struct hashdict {
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int hashsize;
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int hashfirstindex;
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struct hashlist *hashfirstptr;
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struct hashlist **hashtab;
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};
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extern void InitializeHashTable(struct hashdict *dict, int size);
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extern int RecurseHashTable(struct hashdict *dict,
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int (*func)(struct hashlist *elem));
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extern int RecurseHashTableValue(struct hashdict *dict,
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int (*func)(struct hashlist *elem, int), int);
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extern struct nlist *RecurseHashTablePointer(struct hashdict *dict,
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struct nlist *(*func)(struct hashlist *elem, void *),
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void *pointer);
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extern void HashDelete(char *name, struct hashdict *dict);
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extern void HashIntDelete(char *name, int value, struct hashdict *dict);
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extern void HashKill(struct hashdict *dict);
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extern int CountHashTableEntries(struct hashlist *p);
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extern int CountHashTableBinsUsed(struct hashlist *p);
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/* these functions return a pointer to a hash list element */
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extern struct hashlist *HashInstall(char *name, struct hashdict *dict);
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extern struct hashlist *HashPtrInstall(char *name, void *ptr,
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struct hashdict *dict);
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extern struct hashlist *HashIntPtrInstall(char *name, int value, void *ptr,
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struct hashdict *dict);
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extern struct hashlist *HashInt2PtrInstall(char *name, int c, void *ptr,
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struct hashdict *dict);
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/* these functions return the ->ptr field of a struct hashlist */
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extern void *HashLookup(char *s, struct hashdict *dict);
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extern void *HashIntLookup(char *s, int i, struct hashdict *dict);
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extern void *HashInt2Lookup(char *s, int c, struct hashdict *dict);
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extern void *HashFirst(struct hashdict *dict);
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extern void *HashNext(struct hashdict *dict);
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extern unsigned long hashnocase(char *s, int hashsize);
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extern unsigned long hashcase(char *s, int hashsize);
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extern int (*matchfunc)(char *, char *);
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/* matchintfunc() compares based on the name and the first */
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/* entry of the pointer value, which is cast as an integer */
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extern int (*matchintfunc)(char *, char *, int, int);
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extern unsigned long (*hashfunc)(char *, int);
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#endif /* _HASH_H */
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