1 | /* This is a public domain general purpose hash table package written by Peter Moore @ UCB. */
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2 |
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3 | /* @(#) st.h 5.1 89/12/14 */
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4 |
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5 | #ifndef ST_INCLUDED
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6 |
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7 | #define ST_INCLUDED
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8 |
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9 | typedef uintptr_t st_data_t;
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10 | #define ST_DATA_T_DEFINED
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11 |
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12 | typedef struct st_table st_table;
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13 | typedef int st_index_t;
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14 |
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15 | struct st_hash_type {
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16 | int (*compare)();
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17 | int (*hash)();
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18 | };
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19 |
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20 | struct st_table {
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21 | struct st_hash_type *type;
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22 | int num_bins;
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23 | int num_entries;
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24 | struct st_table_entry **bins;
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25 | };
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26 |
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27 | #define st_is_member(table,key) st_lookup(table,key,(st_data_t *)0)
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28 |
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29 | enum st_retval {ST_CONTINUE, ST_STOP, ST_DELETE, ST_CHECK};
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30 |
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31 | #ifndef _
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32 | # define _(args) args
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33 | #endif
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34 | #ifndef ANYARGS
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35 | # ifdef __cplusplus
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36 | # define ANYARGS ...
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37 | # else
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38 | # define ANYARGS
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39 | # endif
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40 | #endif
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41 |
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42 | st_table *st_init_table _((struct st_hash_type *));
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43 | st_table *st_init_table_with_size _((struct st_hash_type *, int));
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44 | st_table *st_init_numtable _((void));
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45 | st_table *st_init_numtable_with_size _((int));
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46 | st_table *st_init_strtable _((void));
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47 | st_table *st_init_strtable_with_size _((int));
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48 | int st_delete _((st_table *, st_data_t *, st_data_t *));
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49 | int st_delete_safe _((st_table *, st_data_t *, st_data_t *, st_data_t));
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50 | int st_insert _((st_table *, st_data_t, st_data_t));
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51 | int st_lookup _((st_table *, st_data_t, st_data_t *));
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52 | int st_foreach _((st_table *, int (*)(ANYARGS), st_data_t));
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53 | void st_add_direct _((st_table *, st_data_t, st_data_t));
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54 | void st_free_table _((st_table *));
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55 | void st_cleanup_safe _((st_table *, st_data_t));
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56 | st_table *st_copy _((st_table *));
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57 |
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58 | #define ST_NUMCMP ((int (*)()) 0)
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59 | #define ST_NUMHASH ((int (*)()) -2)
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60 |
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61 | #define st_numcmp ST_NUMCMP
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62 | #define st_numhash ST_NUMHASH
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63 |
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64 | #endif /* ST_INCLUDED */
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