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author | Jeongho Hwang <jbera.hwang@samsung.com> | 2012-09-19 13:15:55 +0900 |
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committer | Jeongho Hwang <jbera.hwang@samsung.com> | 2012-09-19 13:15:55 +0900 |
commit | c8b261d409e1cfebcc26539c58530479c531732f (patch) | |
tree | bd3365fbecb87b018ceca8bc8ef24b5db63e2ae6 /hashtable_itr.h | |
parent | 3c73bcec3308588a22bf7596adaa990942215db4 (diff) | |
download | ccache-c8b261d409e1cfebcc26539c58530479c531732f.tar.gz ccache-c8b261d409e1cfebcc26539c58530479c531732f.tar.bz2 ccache-c8b261d409e1cfebcc26539c58530479c531732f.zip |
Tizen 2.0 AlphaHEADtizen_2.3.1_releasesubmit/tizen_2.3.1/20150915.0950272.0_alphatizen_2.3.1master2.0alpha
Signed-off-by: Jeongho Hwang <jbera.hwang@samsung.com>
Diffstat (limited to 'hashtable_itr.h')
-rw-r--r-- | hashtable_itr.h | 122 |
1 files changed, 122 insertions, 0 deletions
diff --git a/hashtable_itr.h b/hashtable_itr.h new file mode 100644 index 0000000..9523b14 --- /dev/null +++ b/hashtable_itr.h @@ -0,0 +1,122 @@ +/* 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. +*/ |