diff options
Diffstat (limited to 'ecp/src/htable/hashtable_itr.c')
-rwxr-xr-x | ecp/src/htable/hashtable_itr.c | 42 |
1 files changed, 28 insertions, 14 deletions
diff --git a/ecp/src/htable/hashtable_itr.c b/ecp/src/htable/hashtable_itr.c index 3ee8fe2..51ce0d2 100755 --- a/ecp/src/htable/hashtable_itr.c +++ b/ecp/src/htable/hashtable_itr.c @@ -34,6 +34,7 @@ hashtable_iterator(struct hashtable_itr *itr, struct hashtable *h) /*****************************************************************************/ /* key - return the key of the (key,value) pair at the current position */ /* value - return the value of the (key,value) pair at the current position */ +/* entry - return the hash table entry at the current position */ void * hashtable_iterator_key(struct hashtable_itr *i) @@ -43,6 +44,10 @@ void * hashtable_iterator_value(struct hashtable_itr *i) { return i->e->v; } +struct entry * +hashtable_iterator_entry(struct hashtable_itr *i) +{ return i->e; } + /*****************************************************************************/ /* advance - advance the iterator to the next element * returns zero if advanced to end of table */ @@ -90,11 +95,24 @@ hashtable_iterator_advance(struct hashtable_itr *itr) * element. * If you want the value, read it before you remove: * beware memory leaks if you don't. - * Returns zero if end of iteration. --- modified by majstor */ + * Returns zero if end of iteration. */ int hashtable_iterator_remove(struct hashtable_itr *itr) { + struct entry *e; + int ret; + + e = hashtable_iterator_entry(itr); + ret = hashtable_iterator_remove_static(itr); + freekey(e->k); + free(e); + return ret; +} + +int +hashtable_iterator_remove_static(struct hashtable_itr *itr) +{ struct entry *remember_e, *remember_parent; int ret; @@ -110,14 +128,11 @@ hashtable_iterator_remove(struct hashtable_itr *itr) /* itr->e is now outside the hashtable */ remember_e = itr->e; itr->h->entrycount--; - if (itr->h->fn_free_k) itr->h->fn_free_k(remember_e->k); - if (itr->h->fn_free_v) itr->h->fn_free_v(remember_e->v); /* Advance the iterator, correcting the parent */ remember_parent = itr->parent; ret = hashtable_iterator_advance(itr); if (itr->parent == remember_e) { itr->parent = remember_parent; } - itr->h->fn_free(remember_e); return ret; } @@ -128,7 +143,7 @@ hashtable_iterator_search(struct hashtable_itr *itr, void *k) struct entry *e, *parent; unsigned int hashvalue, index; struct hashtable *h = itr->h; - + hashvalue = hashtable_hash(h,k); index = indexFor(h->tablelength,hashvalue); @@ -137,7 +152,7 @@ hashtable_iterator_search(struct hashtable_itr *itr, void *k) while (NULL != e) { /* Check hash value to short circuit heavier comparison */ - if ((hashvalue == e->h) && (h->fn_eq(k, e->k))) + if ((hashvalue == e->h) && (h->eqfn(k, e->k))) { itr->index = index; itr->e = e; @@ -151,7 +166,6 @@ hashtable_iterator_search(struct hashtable_itr *itr, void *k) return 0; } - /*****************************************************************************/ int /* returns zero if not found */ hashtable_iterator_search_next(struct hashtable_itr *itr, void *k) @@ -167,7 +181,7 @@ hashtable_iterator_search_next(struct hashtable_itr *itr, void *k) while (NULL != e) { /* Check hash value to short circuit heavier comparison */ - if ((hashvalue == e->h) && (h->fn_eq(k, e->k))) + if ((hashvalue == e->h) && (h->eqfn(k, e->k))) { itr->parent = parent; itr->e = e; @@ -183,23 +197,23 @@ hashtable_iterator_search_next(struct hashtable_itr *itr, void *k) /* * 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 |