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
  26   return ptr;
  27 }
  28
  29 void memcached_free(memcached_st *ptr)
  30 {
  31   if (ptr->hosts)
  32   {
  33     memcached_quit(ptr);
  34     memcached_server_list_free(ptr->hosts);
  35     ptr->hosts= NULL;
  36   }
  37
  38   memcached_string_free(&ptr->result_buffer);
  39
  40   if (ptr->is_allocated == MEMCACHED_ALLOCATED)
  41     free(ptr);
  42   else
  43     memset(ptr, 0, sizeof(memcached_st));
  44 }
  45
  46 /*
  47   clone is the destination, while ptr is the structure to clone.
  48   If ptr is NULL the call is the same as if a memcached_create() was
  49   called.
  50 */
  51 memcached_st *memcached_clone(memcached_st *clone, memcached_st *ptr)
  52 {
  53   memcached_return rc;
  54   memcached_st *new_clone;
  55
  56   if (ptr == NULL)
  57     return memcached_create(clone);
  58
  59   new_clone= memcached_create(clone);
  60
  61
  62   rc= memcached_server_push(new_clone, ptr->hosts);
  63
  64   if (rc != MEMCACHED_SUCCESS)
  65   {
  66     memcached_free(new_clone);
  67
  68     return NULL;
  69   }
  70
  71
  72   new_clone->flags= ptr->flags;
  73   new_clone->number_of_hosts= ptr->number_of_hosts;
  74   new_clone->send_size= ptr->send_size;
  75   new_clone->recv_size= ptr->recv_size;
  76
  77   return new_clone;
  78 }