forked from ruby/ruby
/
st.h
77 lines (61 loc) · 2.14 KB
/
st.h
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/* This is a public domain general purpose hash table package written by Peter Moore @ UCB. */
/* @(#) st.h 5.1 89/12/14 */
#ifndef ST_INCLUDED
#define ST_INCLUDED
typedef unsigned long st_data_t;
#define ST_DATA_T_DEFINED
typedef struct st_table st_table;
struct st_hash_type {
int (*compare)();
int (*hash)();
int (*key_free)();
st_data_t (*key_clone)();
};
struct st_table {
struct st_hash_type *type;
int num_bins;
int num_entries;
struct st_table_entry **bins;
};
typedef struct {
unsigned char* s;
unsigned char* end;
} st_strend_key;
#define st_is_member(table,key) st_lookup(table,key,(st_data_t *)0)
enum st_retval {ST_CONTINUE, ST_STOP, ST_DELETE, ST_CHECK};
#ifndef _
# define _(args) args
#endif
#ifndef ANYARGS
# ifdef __cplusplus
# define ANYARGS ...
# else
# define ANYARGS
# endif
#endif
st_table *st_init_table _((struct st_hash_type *));
st_table *st_init_table_with_size _((struct st_hash_type *, int));
st_table *st_init_numtable _((void));
st_table *st_init_numtable_with_size _((int));
st_table *st_init_strtable _((void));
st_table *st_init_strtable_with_size _((int));
st_table *st_init_strend_table_with_size _((int));
int st_delete _((st_table *, st_data_t *, st_data_t *));
int st_delete_safe _((st_table *, st_data_t *, st_data_t *, st_data_t));
int st_insert _((st_table *, st_data_t, st_data_t));
int st_insert_strend _((st_table *, unsigned char*, unsigned char*, st_data_t));
int st_lookup _((st_table *, st_data_t, st_data_t *));
int st_lookup_strend _((st_table *, unsigned char*, unsigned char*, st_data_t*));
void st_foreach _((st_table *, int (*)(ANYARGS), st_data_t));
void st_add_direct _((st_table *, st_data_t, st_data_t));
void st_add_direct_strend _((st_table *, unsigned char*, unsigned char*, st_data_t));
void st_free_table _((st_table *));
void st_cleanup_safe _((st_table *, st_data_t));
st_table *st_copy _((st_table *));
extern st_data_t st_nothing_key_clone _((st_data_t key));
extern int st_nothing_key_free _((st_data_t key));
#define ST_NUMCMP ((int (*)()) 0)
#define ST_NUMHASH ((int (*)()) -2)
#define st_numcmp ST_NUMCMP
#define st_numhash ST_NUMHASH
#endif /* ST_INCLUDED */