src/data_integer.c

   1 #include "first.h"
   2
   3 #include "array.h"
   4
   5 #include <stdio.h>
   6 #include <stdlib.h>
   7 #include <string.h>
   8
   9 static data_unset *data_integer_copy(const data_unset *s) {
  10         data_integer *src = (data_integer *)s;
  11         data_integer *ds = data_integer_init();
  12
  13         buffer_copy_buffer(ds->key, src->key);
  14         ds->is_index_key = src->is_index_key;
  15         ds->value = src->value;
  16         return (data_unset *)ds;
  17 }
  18
  19 static void data_integer_free(data_unset *d) {
  20         data_integer *ds = (data_integer *)d;
  21
  22         buffer_free(ds->key);
  23
  24         free(d);
  25 }
  26
  27 static void data_integer_reset(data_unset *d) {
  28         data_integer *ds = (data_integer *)d;
  29
  30         /* reused integer elements */
  31         buffer_reset(ds->key);
  32         ds->value = 0;
  33 }
  34
  35 static int data_integer_insert_dup(data_unset *dst, data_unset *src) {
  36         UNUSED(dst);
  37
  38         src->free(src);
  39
  40         return 0;
  41 }
  42
  43 static void data_integer_print(const data_unset *d, int depth) {
  44         data_integer *ds = (data_integer *)d;
  45         UNUSED(depth);
  46
  47         fprintf(stdout, "%d", ds->value);
  48 }
  49
  50
  51 data_integer *data_integer_init(void) {
  52         data_integer *ds;
  53
  54         ds = calloc(1, sizeof(*ds));
  55         force_assert(NULL != ds);
  56
  57         ds->key = buffer_init();
  58         ds->value = 0;
  59
  60         ds->copy = data_integer_copy;
  61         ds->free = data_integer_free;
  62         ds->reset = data_integer_reset;
  63         ds->insert_dup = data_integer_insert_dup;
  64         ds->print = data_integer_print;
  65         ds->type = TYPE_INTEGER;
  66
  67         return ds;
  68 }