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Diffstat (limited to 'src/data/hash.h')
| -rw-r--r-- | src/data/hash.h | 84 |
1 files changed, 84 insertions, 0 deletions
diff --git a/src/data/hash.h b/src/data/hash.h new file mode 100644 index 0000000..8bf0a49 --- /dev/null +++ b/src/data/hash.h @@ -0,0 +1,84 @@ +/*:* + *: File: ./src/data/hash.h + *: A simple Fype interpreter + *: + *: WWW: http://fype.buetow.org + *: AUTHOR: http://paul.buetow.org + *: E-Mail: fype at dev.buetow.org + *: + *: The Fype Language; (c) 2005 - 2010 - Dipl.-Inform. (FH) Paul C. Buetow + *: + *: Redistribution and use in source and binary forms, with or without modi- + *: fication, 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 buetow.org nor the names of its contributors may + *: be used to endorse or promote products derived from this software + *: without specific prior written permission. + *: + *: THIS SOFTWARE IS PROVIDED BY PAUL C. BUETOW AS IS'' AND ANY EXPRESS OR + *: IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED + *: WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE + *: DISCLAIMED. IN NO EVENT SHALL PAUL C. BUETOW BE LIABLE FOR ANY DIRECT, + *: INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES + *: (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR + *: SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + *: HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, + *: STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING + *: IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + *: POSSIBILITY OF SUCH DAMAGE. + *:*/ + +#ifndef HASH_H +#define HASH_H + +#include "../defines.h" +#include "types.h" + +typedef enum HASH_OP_ { + FREE_ADDR, + OCC_ADDR +} HASH_OP; + +typedef struct { + char c_key[HASH_MKEYLEN]; + char flag; + TYPE type; + void *p_val; +} HashElem; + +typedef struct { + HashElem *p_elems; + unsigned i_size; + unsigned i_cur_size; +} Hash; + +Hash*hash_new(unsigned i_size); +void hash_delete(Hash *p_hash); +RETCODE hash_insert(Hash *p_hash, char *c_key, void *p_val); +RETCODE hash_insert_ht(Hash *p_hash, char *c_key, void *p_val, TYPE type); +void* hash_get(Hash *p_hash, char *c_key); +void* hash_get_ht(Hash *p_hash, char *c_key, TYPE *p_type); +void* hash_get_ht_addr(Hash *p_hash, char *c_key, TYPE *p_type, int *p_addr); +void* hash_remove(Hash *p_hash, char *c_key); +void hash_print(Hash *p_hash); +void hash_print_addrval(Hash *p_hash, int i_addr); +RETCODE hash_size(Hash *p_hash, int i_size); + +int hash_getaddr(Hash *p_hash, char *c_key, HASH_OP OP); +RETCODE hash_addrisfree(Hash *p_hash, int i_addr); +RETCODE hash_addrisocc(Hash *p_hash, int i_addr, char *c_key); +int hash_nextaddr(Hash *p_hash, int i_max_tries, + char *c_key, int i_addr, + HASH_OP OP); +void hash_iterate(Hash *p_hash, void (*func)(void *)); +void hash_iterate_key(Hash *p_hash, void (*func)(void *, char *)); +_Bool hash_key_exists(Hash *p_hash, char *c_key); + +#define hash_get_cur_size(hash) hash->i_cur_size +#define hash_get_size(hash) hash->i_size + +#endif |
