git.m6w6.name Git - m6w6/libmemcached/blob - libmemcached/memcached_result.c

   1 /*
   2   memcached_result_st are used to internally represent the return values from
   3   memcached. We use a structure so that long term as identifiers are added
   4   to memcached we will be able to absorb new attributes without having
   5   to addjust the entire API.
   6 */
   7 #include "common.h"
   8
   9 memcached_result_st *memcached_result_create(memcached_st *memc,
  10                                              memcached_result_st *ptr)
  11 {
  12   WATCHPOINT_ASSERT(memc && memc->options.is_initialized);
  13
  14   /* Saving malloc calls :) */
  15   if (ptr)
  16   {
  17     memset(ptr, 0, sizeof(memcached_result_st));
  18   }
  19   else
  20   {
  21     ptr= memc->call_malloc(memc, sizeof(memcached_result_st));
  22
  23     if (ptr == NULL)
  24       return NULL;
  25     ptr->options.is_allocated= true;
  26   }
  27
  28   ptr->options.is_initialized= true;
  29
  30   ptr->root= memc;
  31   memcached_string_create(memc, &ptr->value, 0);
  32   WATCHPOINT_ASSERT_INITIALIZED(&ptr->value);
  33   WATCHPOINT_ASSERT(ptr->value.string == NULL);
  34
  35   return ptr;
  36 }
  37
  38 void memcached_result_reset(memcached_result_st *ptr)
  39 {
  40   ptr->key_length= 0;
  41   memcached_string_reset(&ptr->value);
  42   ptr->flags= 0;
  43   ptr->cas= 0;
  44   ptr->expiration= 0;
  45 }
  46
  47 /*
  48   NOTE turn into macro
  49 */
  50 memcached_return_t memcached_result_set_value(memcached_result_st *ptr, const char *value, size_t length)
  51 {
  52   return memcached_string_append(&ptr->value, value, length);
  53 }
  54
  55 void memcached_result_free(memcached_result_st *ptr)
  56 {
  57   if (ptr == NULL)
  58     return;
  59
  60   memcached_string_free(&ptr->value);
  61
  62   if (memcached_is_allocated(ptr))
  63   {
  64     free(ptr);
  65   }
  66   else
  67   {
  68     ptr->options.is_initialized= false;
  69   }
  70 }