git.m6w6.name Git - m6w6/libmemcached/blob - libmemcached/array.c

   1 /*  vim:expandtab:shiftwidth=2:tabstop=2:smarttab:
   2  *
   3  *  LibMemcached
   4  *
   5  *  Copyright (C) 2011 Data Differential, http://datadifferential.com/
   6  *  All rights reserved.
   7  *
   8  *  Redistribution and use in source and binary forms, with or without
   9  *  modification, are permitted provided that the following conditions are
  10  *  met:
  11  *
  12  *      * Redistributions of source code must retain the above copyright
  13  *  notice, this list of conditions and the following disclaimer.
  14  *
  15  *      * Redistributions in binary form must reproduce the above
  16  *  copyright notice, this list of conditions and the following disclaimer
  17  *  in the documentation and/or other materials provided with the
  18  *  distribution.
  19  *
  20  *      * The names of its contributors may not be used to endorse or
  21  *  promote products derived from this software without specific prior
  22  *  written permission.
  23  *
  24  *  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  25  *  "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  26  *  LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
  27  *  A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  28  *  OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  29  *  SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  30  *  LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  31  *  DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  32  *  THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  33  *  (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  34  *  OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  35  *
  36  */
  37
  38 #include "libmemcached/common.h"
  39
  40 struct memcached_array_st
  41 {
  42   memcached_st *root;
  43   size_t size;
  44   char c_str[];
  45 };
  46
  47 memcached_array_st *memcached_array_clone(memcached_st *memc, const memcached_array_st *original)
  48 {
  49   if (! original)
  50     return NULL;
  51
  52   return memcached_strcpy(memc, original->c_str, original->size);
  53 }
  54
  55 memcached_array_st *memcached_strcpy(memcached_st *memc, const char *str, size_t str_length)
  56 {
  57   memcached_array_st *array= (struct memcached_array_st *)libmemcached_malloc(memc, sizeof(struct memcached_array_st) +str_length +1);
  58
  59   if (! array)
  60     return NULL;
  61
  62   array->root= memc;
  63   array->size= str_length -1; // We don't count the NULL ending
  64   memcpy(array->c_str, str, str_length);
  65   array->c_str[str_length +1]= 0;
  66
  67   return array;
  68 }
  69
  70 void memcached_array_free(memcached_array_st *array)
  71 {
  72   if (! array)
  73     return;
  74
  75   WATCHPOINT_ASSERT(array->root);
  76   if (array && array->root)
  77   {
  78     libmemcached_free(array->root, array);
  79   }
  80   else if (array)
  81   {
  82     free(array);
  83   }
  84 }
  85
  86 size_t memcached_array_size(memcached_array_st *array)
  87 {
  88   if (! array)
  89     return 0;
  90
  91   return array->size;
  92 }
  93
  94 const char *memcached_array_string(memcached_array_st *array)
  95 {
  96   if (! array)
  97     return NULL;
  98
  99   return array->c_str;
 100 }