NetBSD/gnu/dist/postfix/util/htable.h

58 lines
1.4 KiB
C

#ifndef _HTABLE_H_INCLUDED_
#define _HTABLE_H_INCLUDED_
/*++
/* NAME
/* htable 3h
/* SUMMARY
/* hash table manager
/* SYNOPSIS
/* #include <htable.h>
/* DESCRIPTION
/* .nf
/* Structure of one hash table entry. */
typedef struct HTABLE_INFO {
char *key; /* lookup key */
char *value; /* associated value */
struct HTABLE_INFO *next; /* colliding entry */
struct HTABLE_INFO *prev; /* colliding entry */
} HTABLE_INFO;
/* Structure of one hash table. */
typedef struct HTABLE {
int size; /* length of entries array */
int used; /* number of entries in table */
HTABLE_INFO **data; /* entries array, auto-resized */
} HTABLE;
extern HTABLE *htable_create(int);
extern HTABLE_INFO *htable_enter(HTABLE *, const char *, char *);
extern HTABLE_INFO *htable_locate(HTABLE *, const char *);
extern char *htable_find(HTABLE *, const char *);
extern void htable_delete(HTABLE *, const char *, void (*) (char *));
extern void htable_free(HTABLE *, void (*) (char *));
extern void htable_walk(HTABLE *, void (*) (HTABLE_INFO *, char *), char *);
extern HTABLE_INFO **htable_list(HTABLE *);
/* LICENSE
/* .ad
/* .fi
/* The Secure Mailer license must be distributed with this software.
/* AUTHOR(S)
/* Wietse Venema
/* IBM T.J. Watson Research
/* P.O. Box 704
/* Yorktown Heights, NY 10598, USA
/* CREATION DATE
/* Fri Feb 14 13:43:19 EST 1997
/* LAST MODIFICATION
/* %E% %U%
/* VERSION/RELEASE
/* %I%
/*--*/
#endif