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
  27   return ptr;
  28 }
  29
  30 void memcached_free(memcached_st *ptr)
  31 {
  32   if (ptr->hosts)
  33   {
  34     memcached_quit(ptr);
  35     memcached_server_list_free(ptr->hosts);
  36     ptr->hosts= NULL;
  37   }
  38
  39   memcached_string_free(&ptr->result_buffer);
  40
  41   if (ptr->is_allocated == MEMCACHED_ALLOCATED)
  42     free(ptr);
  43   else
  44     ptr->is_allocated= MEMCACHED_USED;
  45 }
  46
  47 /*
  48   clone is the destination, while ptr is the structure to clone.
  49   If ptr is NULL the call is the same as if a memcached_create() was
  50   called.
  51 */
  52 memcached_st *memcached_clone(memcached_st *clone, memcached_st *ptr)
  53 {
  54   memcached_return rc;
  55   memcached_st *new_clone;
  56
  57   if (ptr == NULL)
  58     return memcached_create(clone);
  59
  60   new_clone= memcached_create(clone);
  61
  62
  63   rc= memcached_server_push(new_clone, ptr->hosts);
  64
  65   if (rc != MEMCACHED_SUCCESS)
  66   {
  67     memcached_free(new_clone);
  68
  69     return NULL;
  70   }
  71
  72
  73   new_clone->flags= ptr->flags;
  74   new_clone->number_of_hosts= ptr->number_of_hosts;
  75   new_clone->send_size= ptr->send_size;
  76   new_clone->recv_size= ptr->recv_size;
  77   new_clone->poll_timeout= ptr->poll_timeout;
  78
  79   return new_clone;
  80 }