git.m6w6.name Git - awesomized/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   /* Saving malloc calls :) */
  13   if (ptr)
  14   {
  15     memset(ptr, 0, sizeof(memcached_result_st));
  16     ptr->is_allocated= MEMCACHED_NOT_ALLOCATED;
  17   }
  18   else
  19   {
  20     if (memc->call_malloc)
  21       ptr= (memcached_result_st *)memc->call_malloc(memc, sizeof(memcached_result_st));
  22     else
  23       ptr= (memcached_result_st *)malloc(sizeof(memcached_result_st));
  24
  25     if (ptr == NULL)
  26       return NULL;
  27     memset(ptr, 0, sizeof(memcached_result_st));
  28     ptr->is_allocated= MEMCACHED_ALLOCATED;
  29   }
  30
  31   ptr->root= memc;
  32   memcached_string_create(memc, &ptr->value, 0);
  33   WATCHPOINT_ASSERT(ptr->value.string == NULL);
  34   WATCHPOINT_ASSERT(ptr->value.is_allocated == MEMCACHED_NOT_ALLOCATED);
  35
  36   return ptr;
  37 }
  38
  39 void memcached_result_reset(memcached_result_st *ptr)
  40 {
  41   ptr->key_length= 0;
  42   memcached_string_reset(&ptr->value);
  43   ptr->flags= 0;
  44   ptr->cas= 0;
  45   ptr->expiration= 0;
  46 }
  47
  48 /*
  49   NOTE turn into macro
  50 */
  51 memcached_return memcached_result_set_value(memcached_result_st *ptr, char *value, size_t length)
  52 {
  53   return memcached_string_append(&ptr->value, value, length);
  54 }
  55
  56 void memcached_result_free(memcached_result_st *ptr)
  57 {
  58   if (ptr == NULL)
  59     return;
  60
  61   memcached_string_free(&ptr->value);
  62
  63   if (ptr->is_allocated == MEMCACHED_ALLOCATED)
  64     free(ptr);
  65   else
  66     ptr->is_allocated= MEMCACHED_USED;
  67 }