Updating for 1.0.2 release
[awesomized/libmemcached] / libmemcached / array.c
1 /* vim:expandtab:shiftwidth=2:tabstop=2:smarttab:
2 *
3 * LibMemcached
4 *
5 * Copyright (C) 2011 Data Differential, http://datadifferential.com/
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12 * * Redistributions of source code must retain the above copyright
13 * notice, this list of conditions and the following disclaimer.
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15 * * Redistributions in binary form must reproduce the above
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17 * in the documentation and/or other materials provided with the
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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 }