Version abc50729

1 files changed, 119 insertions, 0 deletions

diff --git a/src/misc/st/stmm.h b/src/misc/st/stmm.h
new file mode 100644
index 00000000..1fe3dfd2
--- /dev/null
+++ b/src/misc/st/stmm.h
@@ -0,0 +1,119 @@
+/*
+ * Revision Control Information
+ *
+ * /projects/hsis/CVS/utilities/st/st.h,v
+ * serdar
+ * 1.1
+ * 1993/07/29 01:00:21
+ *
+ */
+/* LINTLIBRARY */
+
+/* /projects/hsis/CVS/utilities/st/st.h,v 1.1 1993/07/29 01:00:21 serdar Exp */
+
+#ifndef STMM_INCLUDED
+#define STMM_INCLUDED
+
+#include "extra.h"
+
+typedef struct stmm_table_entry stmm_table_entry;
+typedef struct stmm_table stmm_table;
+typedef struct stmm_generator stmm_generator;
+
+struct stmm_table_entry
+{
+    char *key;
+    char *record;
+    stmm_table_entry *next;
+};
+
+struct stmm_table
+{
+    int (*compare) ();
+    int (*hash) ();
+    int num_bins;
+    int num_entries;
+    int max_density;
+    int reorder_flag;
+    double grow_factor;
+    stmm_table_entry **bins;
+    // memory manager to improve runtime and prevent memory fragmentation
+    // added by alanmi - January 16, 2003
+    Extra_MmFixed_t *pMemMan;
+};
+
+struct stmm_generator
+{
+    stmm_table *table;
+    stmm_table_entry *entry;
+    int index;
+};
+
+#define stmm_is_member(table,key) stmm_lookup(table,key,(char **) 0)
+#define stmm_count(table) ((table)->num_entries)
+
+enum stmm_retval
+{ STMM_CONTINUE, STMM_STOP, STMM_DELETE };
+
+typedef enum stmm_retval (*STMM_PFSR) ();
+typedef int (*STMM_PFI) ();
+
+EXTERN stmm_table *stmm_init_table_with_params
+ARGS ((STMM_PFI, STMM_PFI, int, int, double, int));
+EXTERN stmm_table *stmm_init_table ARGS ((STMM_PFI, STMM_PFI));
+EXTERN void stmm_free_table ARGS ((stmm_table *));
+EXTERN int stmm_lookup ARGS ((stmm_table *, char *, char **));
+EXTERN int stmm_lookup_int ARGS ((stmm_table *, char *, int *));
+EXTERN int stmm_insert ARGS ((stmm_table *, char *, char *));
+EXTERN int stmm_add_direct ARGS ((stmm_table *, char *, char *));
+EXTERN int stmm_find_or_add ARGS ((stmm_table *, char *, char ***));
+EXTERN int stmm_find ARGS ((stmm_table *, char *, char ***));
+EXTERN stmm_table *stmm_copy ARGS ((stmm_table *));
+EXTERN int stmm_delete ARGS ((stmm_table *, char **, char **));
+EXTERN int stmm_delete_int ARGS ((stmm_table *, long *, char **));
+EXTERN int stmm_foreach ARGS ((stmm_table *, STMM_PFSR, char *));
+EXTERN int stmm_strhash ARGS ((char *, int));
+EXTERN int stmm_numhash ARGS ((char *, int));
+EXTERN int stmm_ptrhash ARGS ((char *, int));
+EXTERN int stmm_numcmp ARGS ((char *, char *));
+EXTERN int stmm_ptrcmp ARGS ((char *, char *));
+EXTERN stmm_generator *stmm_init_gen ARGS ((stmm_table *));
+EXTERN int stmm_gen ARGS ((stmm_generator *, char **, char **));
+EXTERN int stmm_gen_int ARGS ((stmm_generator *, char **, long *));
+EXTERN void stmm_free_gen ARGS ((stmm_generator *));
+// additional functions
+EXTERN void stmm_clean ARGS ((stmm_table *));
+
+
+
+#define STMM_DEFAULT_MAX_DENSITY        5
+#define STMM_DEFAULT_INIT_TABLE_SIZE   11
+#define STMM_DEFAULT_GROW_FACTOR      2.0
+#define STMM_DEFAULT_REORDER_FLAG       0
+
+// added by Zhihong: no need for memory allocation
+#define stmm_foreach_item2(tb, /* stmm_generator */gen, key, value) \
+    for(gen.table=(tb), gen.entry=NIL(stmm_table_entry), gen.index=0; \
+        stmm_gen(&(gen),key,value);)
+
+#define stmm_foreach_item(table, gen, key, value) \
+    for(gen=stmm_init_gen(table); stmm_gen(gen,key,value) || (stmm_free_gen(gen),0);)
+
+#define stmm_foreach_item_int(table, gen, key, value) \
+    for(gen=stmm_init_gen(table); stmm_gen_int(gen,key,value) || (stmm_free_gen(gen),0);)
+
+#define STMM_OUT_OF_MEM -10000
+
+/*
+
+// consider adding these other other similar definitions
+#define st_table       stmm_table
+#define st_insert      stmm_insert
+#define st_delete      stmm_delete
+#define st_lookup      stmm_lookup
+#define st_init_table  stmm_init_table
+#define st_free_table  stmm_free_table
+
+*/
+
+#endif /* STMM_INCLUDED */