git.m6w6.name Git - m6w6/libmemcached/blob - libmemcached/memory.h

   1 /*  vim:expandtab:shiftwidth=2:tabstop=2:smarttab:
   2  *
   3  *  Libmemcached library
   4  *
   5  *  Copyright (C) 2011 Data Differential, http://datadifferential.com/
   6  *
   7  *  Redistribution and use in source and binary forms, with or without
   8  *  modification, are permitted provided that the following conditions are
   9  *  met:
  10  *
  11  *      * Redistributions of source code must retain the above copyright
  12  *  notice, this list of conditions and the following disclaimer.
  13  *
  14  *      * Redistributions in binary form must reproduce the above
  15  *  copyright notice, this list of conditions and the following disclaimer
  16  *  in the documentation and/or other materials provided with the
  17  *  distribution.
  18  *
  19  *      * The names of its contributors may not be used to endorse or
  20  *  promote products derived from this software without specific prior
  21  *  written permission.
  22  *
  23  *  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  24  *  "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  25  *  LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
  26  *  A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  27  *  OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  28  *  SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  29  *  LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  30  *  DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  31  *  THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  32  *  (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  33  *  OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  34  *
  35  */
  36
  37 #pragma once
  38
  39 static inline void libmemcached_free(const memcached_st *self, void *mem)
  40 {
  41   if (self)
  42   {
  43     self->allocators.free(self, mem, self->allocators.context);
  44   }
  45   else if (mem)
  46   {
  47     free(mem);
  48   }
  49 }
  50
  51 static inline void *libmemcached_malloc(const memcached_st *self, const size_t size)
  52 {
  53   if (self)
  54   {
  55     return self->allocators.malloc(self, size, self->allocators.context);
  56   }
  57
  58   return malloc(size);
  59 }
  60 #define libmemcached_xmalloc(__memcachd_st, __type) ((__type *)libmemcached_malloc((__memcachd_st), sizeof(__type)))
  61
  62 static inline void *libmemcached_realloc(const memcached_st *self, void *mem, size_t nmemb,  const size_t size)
  63 {
  64   if (self)
  65   {
  66     return self->allocators.realloc(self, mem, nmemb * size, self->allocators.context);
  67   }
  68
  69   return realloc(mem, size);
  70 }
  71 #define libmemcached_xrealloc(__memcachd_st, __mem, __nelem, __type) ((__type *)libmemcached_realloc((__memcachd_st), (__mem), (__nelem), sizeof(__type)))
  72 #define libmemcached_xvalloc(__memcachd_st, __nelem, __type) ((__type *)libmemcached_realloc((__memcachd_st), NULL, (__nelem), sizeof(__type)))
  73
  74 static inline void *libmemcached_calloc(const memcached_st *self, size_t nelem, size_t size)
  75 {
  76   if (self)
  77   {
  78     return self->allocators.calloc(self, nelem, size, self->allocators.context);
  79   }
  80
  81   return calloc(nelem, size);
  82 }
  83 #define libmemcached_xcalloc(__memcachd_st, __nelem, __type) ((__type *)libmemcached_calloc((__memcachd_st), (__nelem), sizeof(__type)))