git.m6w6.name Git - awesomized/libmemcached/blob - lib/memcached.c

   1 /*
   2   Memcached library
   3 */
   4 #include "common.h"
   5
   6 memcached_st *memcached_create(memcached_st *ptr)
   7 {
   8   memcached_string_st *string_ptr;
   9   if (!ptr)
  10   {
  11     ptr= (memcached_st *)malloc(sizeof(memcached_st));
  12
  13     if (!ptr)
  14       return NULL; /*  MEMCACHED_MEMORY_ALLOCATION_FAILURE */
  15
  16     memset(ptr, 0, sizeof(memcached_st));
  17     ptr->is_allocated= MEMCACHED_ALLOCATED;
  18   }
  19   else
  20   {
  21     memset(ptr, 0, sizeof(memcached_st));
  22   }
  23   string_ptr= memcached_string_create(ptr, &ptr->result_buffer, 0);
  24   WATCHPOINT_ASSERT(string_ptr);
  25   ptr->poll_timeout= -1;
  26   ptr->distribution= MEMCACHED_DISTRIBUTION_MODULUS;
  27
  28   return ptr;
  29 }
  30
  31 void memcached_free(memcached_st *ptr)
  32 {
  33   if (ptr->hosts)
  34   {
  35     memcached_quit(ptr);
  36     memcached_server_list_free(ptr->hosts);
  37     ptr->hosts= NULL;
  38   }
  39
  40   memcached_string_free(&ptr->result_buffer);
  41
  42   if (ptr->is_allocated == MEMCACHED_ALLOCATED)
  43     free(ptr);
  44   else
  45     ptr->is_allocated= MEMCACHED_USED;
  46 }
  47
  48 /*
  49   clone is the destination, while ptr is the structure to clone.
  50   If ptr is NULL the call is the same as if a memcached_create() was
  51   called.
  52 */
  53 memcached_st *memcached_clone(memcached_st *clone, memcached_st *ptr)
  54 {
  55   memcached_return rc;
  56   memcached_st *new_clone;
  57
  58   if (ptr == NULL)
  59     return memcached_create(clone);
  60
  61   new_clone= memcached_create(clone);
  62
  63
  64   rc= memcached_server_push(new_clone, ptr->hosts);
  65
  66   if (rc != MEMCACHED_SUCCESS)
  67   {
  68     memcached_free(new_clone);
  69
  70     return NULL;
  71   }
  72
  73
  74   new_clone->flags= ptr->flags;
  75   new_clone->number_of_hosts= ptr->number_of_hosts;
  76   new_clone->send_size= ptr->send_size;
  77   new_clone->recv_size= ptr->recv_size;
  78   new_clone->poll_timeout= ptr->poll_timeout;
  79   new_clone->distribution= ptr->distribution;
  80
  81   return new_clone;
  82 }