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

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   2  *
   3  *  LibMemcached
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   5  *  Copyright (C) 2011 Data Differential, http://datadifferential.com/
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  37
  38 #include <libmemcached/common.h>
  39 #include <assert.h>
  40 #include <iso646.h>
  41
  42 struct memcached_array_st
  43 {
  44   struct memcached_st *root;
  45   size_t size;
  46   char c_str[];
  47 };
  48
  49
  50 memcached_array_st *memcached_array_clone(struct memcached_st *memc, const memcached_array_st *original)
  51 {
  52   if (not original)
  53     return NULL;
  54
  55   return memcached_strcpy(memc, original->c_str, original->size);
  56 }
  57
  58 memcached_array_st *memcached_strcpy(struct memcached_st *memc, const char *str, size_t str_length)
  59 {
  60   assert(memc);
  61   assert(str);
  62   assert(str_length);
  63
  64   memcached_array_st *array= (struct memcached_array_st *)libmemcached_malloc(memc, sizeof(struct memcached_array_st) +str_length +1);
  65
  66   if (not array)
  67     return NULL;
  68
  69   array->root= memc;
  70   array->size= str_length; // We don't count the NULL ending
  71   memcpy(array->c_str, str, str_length);
  72   array->c_str[str_length]= 0;
  73
  74   return array;
  75 }
  76
  77 bool memcached_array_is_null(memcached_array_st *array)
  78 {
  79   assert(array);
  80   assert(array->root);
  81
  82   if (not array)
  83     return false;
  84
  85   if (array->size and array->c_str)
  86     return false;
  87
  88   assert(not array->size and not array->c_str);
  89
  90   return true;
  91 }
  92
  93 memcached_string_t memcached_array_to_string(memcached_array_st *array)
  94 {
  95   assert(array);
  96   assert(array->c_str);
  97   assert(array->size);
  98   memcached_string_t tmp;
  99   tmp.c_str= array->c_str;
 100   tmp.size= array->size;
 101
 102   return tmp;
 103 }
 104
 105 void memcached_array_free(memcached_array_st *array)
 106 {
 107   if (not array)
 108     return;
 109
 110   WATCHPOINT_ASSERT(array->root);
 111   libmemcached_free(array->root, array);
 112 }
 113
 114 size_t memcached_array_size(memcached_array_st *array)
 115 {
 116   if (not array)
 117     return 0;
 118
 119   return array->size;
 120 }
 121
 122 const char *memcached_array_string(memcached_array_st *array)
 123 {
 124   if (not array)
 125     return NULL;
 126
 127   return array->c_str;
 128 }