1 /*-----------------------------------------------------------------
2 SDCChast.h - contains support routines for hashtables/sets .
4 Written By - Sandeep Dutta . sandeep.dutta@usa.net (1998)
6 This program is free software; you can redistribute it and/or modify it
7 under the terms of the GNU General Public License as published by the
8 Free Software Foundation; either version 2, or (at your option) any
11 This program is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 GNU General Public License for more details.
16 You should have received a copy of the GNU General Public License
17 along with this program; if not, write to the Free Software
18 Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
20 In other words, you are welcome to use, share and improve this program.
21 You are forbidden to forbid anyone else to use, share and improve
22 what you give them. Help stamp out software-hoarding!
23 -------------------------------------------------------------------------*/
32 #define GC_malloc malloc
34 #define GC_realloc realloc
35 #define GC_malloc_atomic malloc
45 #define ALLOC(x,sz) if (!(x = GC_malloc(sz))) \
47 fprintf(stderr,"out of virtual memory %s , %d",__FILE__,__LINE__);\
51 #define ALLOC_ATOMIC(x,sz) if (!(x = GC_malloc_atomic(sz))) \
53 fprintf(stderr,"out of virtual memory %s , %d",__FILE__,__LINE__);\
63 typedef struct hashtItem
67 struct hashtItem *next ;
73 int size ; /* max number of items */
74 int minKey; /* minimum key value */
75 int maxKey ; /* maximum key value */
76 hashtItem **table ; /* the actual table */
77 int currKey ; /* used for iteration */
78 hashtItem *currItem ; /* current item within the list */
89 /*-----------------------------------------------------------------*/
90 /* Forward definition for functions */
91 /*-----------------------------------------------------------------*/
93 /* hashtable related functions */
94 hTab *newHashTable (int);
95 void hTabAddItem (hTab **, int , void * );
96 void hTabDeleteItem (hTab **, int ,
98 int (*compareFunc)(void *,void *));
99 int hTabIsInTable (hTab *, int , void * ,
100 int (*compareFunc)(void *,void *));
101 void *hTabFirstItem (hTab *, int *);
102 void *hTabNextItem (hTab *, int *);
103 hTab *hTabFromTable (hTab *);
104 int isHtabsEqual (hTab *,hTab *, int (*compareFunc)(void *,void *));
105 hashtItem *hTabSearch (hTab *, int );
106 void *hTabItemWithKey(hTab *,int );
107 void hTabAddItemIfNotP(hTab **,int, void *);
108 void hTabDeleteAll(hTab *);
109 void *hTabFirstItemWK (hTab *htab, int wk);
110 void *hTabNextItemWK (hTab *htab );
111 void hTabClearAll (hTab *htab);