mirror of
https://github.com/reactos/ccache.git
synced 2024-12-12 13:45:48 +00:00
123 lines
4.2 KiB
C
123 lines
4.2 KiB
C
/* Copyright (C) 2002, 2004 Christopher Clark <firstname.lastname@cl.cam.ac.uk> */
|
|
|
|
#ifndef __HASHTABLE_ITR_CWC22__
|
|
#define __HASHTABLE_ITR_CWC22__
|
|
#include "hashtable.h"
|
|
#include "hashtable_private.h" /* needed to enable inlining */
|
|
|
|
/*****************************************************************************/
|
|
/* This struct is only concrete here to allow the inlining of two of the
|
|
* accessor functions. */
|
|
struct hashtable_itr
|
|
{
|
|
struct hashtable *h;
|
|
struct entry *e;
|
|
struct entry *parent;
|
|
unsigned int index;
|
|
};
|
|
|
|
|
|
/*****************************************************************************/
|
|
/* hashtable_iterator
|
|
*/
|
|
|
|
struct hashtable_itr *
|
|
hashtable_iterator(struct hashtable *h);
|
|
|
|
/*****************************************************************************/
|
|
/* hashtable_iterator_key
|
|
* - return the value of the (key,value) pair at the current position */
|
|
|
|
#ifdef HAVE_EXTERN_INLINE
|
|
extern inline void *
|
|
hashtable_iterator_key(struct hashtable_itr *i)
|
|
{
|
|
return i->e->k;
|
|
}
|
|
#else
|
|
void *
|
|
hashtable_iterator_key(struct hashtable_itr *i);
|
|
#endif
|
|
|
|
/*****************************************************************************/
|
|
/* value - return the value of the (key,value) pair at the current position */
|
|
|
|
#ifdef HAVE_EXTERN_INLINE
|
|
extern inline void *
|
|
hashtable_iterator_value(struct hashtable_itr *i)
|
|
{
|
|
return i->e->v;
|
|
}
|
|
#else
|
|
void *
|
|
hashtable_iterator_value(struct hashtable_itr *i);
|
|
#endif
|
|
|
|
/*****************************************************************************/
|
|
/* advance - advance the iterator to the next element
|
|
* returns zero if advanced to end of table */
|
|
|
|
int
|
|
hashtable_iterator_advance(struct hashtable_itr *itr);
|
|
|
|
/*****************************************************************************/
|
|
/* remove - remove current element and advance the iterator to the next element
|
|
* NB: if you need the value to free it, read it before
|
|
* removing. ie: beware memory leaks!
|
|
* returns zero if advanced to end of table */
|
|
|
|
int
|
|
hashtable_iterator_remove(struct hashtable_itr *itr);
|
|
|
|
/*****************************************************************************/
|
|
/* search - overwrite the supplied iterator, to point to the entry
|
|
* matching the supplied key.
|
|
h points to the hashtable to be searched.
|
|
* returns zero if not found. */
|
|
int
|
|
hashtable_iterator_search(struct hashtable_itr *itr,
|
|
struct hashtable *h, void *k);
|
|
|
|
#define DEFINE_HASHTABLE_ITERATOR_SEARCH(fnname, keytype) \
|
|
int fnname (struct hashtable_itr *i, struct hashtable *h, keytype *k) \
|
|
{ \
|
|
return (hashtable_iterator_search(i,h,k)); \
|
|
}
|
|
|
|
|
|
|
|
#endif /* __HASHTABLE_ITR_CWC22__*/
|
|
|
|
/*
|
|
* Copyright (c) 2002, 2004, Christopher Clark
|
|
* All rights reserved.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
*
|
|
* * Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
*
|
|
* * Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in the
|
|
* documentation and/or other materials provided with the distribution.
|
|
*
|
|
* * Neither the name of the original author; nor the names of any contributors
|
|
* may be used to endorse or promote products derived from this software
|
|
* without specific prior written permission.
|
|
*
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
|
|
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
|
|
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
|
|
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER
|
|
* OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
|
|
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
|
|
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
|
|
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
|
|
* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
|
|
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
|
|
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
|
*/
|