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author | Hugo Hörnquist <hugo@lysator.liu.se> | 2019-01-22 14:32:27 +0100 |
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committer | Hugo Hörnquist <hugo@lysator.liu.se> | 2019-01-22 14:32:27 +0100 |
commit | aa4fbbfe61da25f430784385e04299065f5d07d3 (patch) | |
tree | 7a5a461909a24bd0379658110b520336b135a9d4 /hash_help.inc | |
parent | Remove superfluous file trie.c. (diff) | |
download | calp-aa4fbbfe61da25f430784385e04299065f5d07d3.tar.gz calp-aa4fbbfe61da25f430784385e04299065f5d07d3.tar.xz |
Rename hash_help.inc => hash.inc.
Diffstat (limited to 'hash_help.inc')
-rw-r--r-- | hash_help.inc | 65 |
1 files changed, 0 insertions, 65 deletions
diff --git a/hash_help.inc b/hash_help.inc deleted file mode 100644 index 34766b54..00000000 --- a/hash_help.inc +++ /dev/null @@ -1,65 +0,0 @@ -#ifndef TYPE -#error "Set TYPE to something before including this header" -#else - -#include "err.h" - -int HASH_PUT(TYPE) ( TABLE(TYPE)* table, TYPE* value) { - // TODO genicify the hash function - unsigned long h = hash(value->key.mem) % table->size; - TYPE* mem = table->values[h]; - - // fprintf(stderr, "INFO: %i: [%s] := [%s]\n", table->item_count, value->key.mem, value->val.mem); - - /* TODO conflict resolution */ - if (mem != NULL) ERR("Hash collision"); - mem = value; - - ++table->item_count; - return 0; -} - -int HASH_INIT(TYPE) ( TABLE(TYPE)* table, int init_size ) { - /* - * TODO parts of table might not get properly initialized to 0 - */ - table->values = calloc(sizeof(table->values), init_size); - table->size = init_size; - table->item_count = 0; - return 0; -} - -TYPE* HASH_GET(TYPE) ( TABLE(TYPE)* table, char* key ) { - unsigned long h = hash(key) % table->size; - TYPE* mem = table->values[h]; - if (mem == NULL) { - fprintf(stderr, "Trying to access %s\n", key); - ERR("Nothing in field"); - return 0; - } else if (strcmp(mem->key.mem, key) == 0) { - return mem; - } else { - /* TODO fix retrival on invalid key */ - ERR("Other error"); - return 0; - } -} - -int HASH_FREE(TYPE) ( TABLE(TYPE)* table ) { - /* - * TODO an early return is possible by checking if all items have - * been found. table->item_count - */ - for (int i = 0; i < table->size; i++) { - TYPE* mem = table->values[i]; - if (mem == NULL) continue; - - free(mem); - } - free(table->values); - return 0; -} - -#endif /* TYPE */ - -// vim: ft=c |