Remove mass calloc() on memcached_st creation.
[m6w6/libmemcached] / libmemcached / string.h
1 /* LibMemcached
2 * Copyright (C) 2006-2009 Brian Aker
3 * All rights reserved.
4 *
5 * Use and distribution licensed under the BSD license. See
6 * the COPYING file in the parent directory for full text.
7 *
8 * Summary: String structure used for libmemcached.
9 *
10 */
11
12 #ifndef __MEMCACHED_STRING_H__
13 #define __MEMCACHED_STRING_H__
14
15 #ifdef __cplusplus
16 extern "C" {
17 #endif
18
19 /**
20 Strings are always under our control so we make some assumptions
21 about them.
22
23 1) is_initialized is always valid.
24 2) A string once intialized will always be, until free where we
25 unset this flag.
26 3) A string always has a root.
27 */
28
29 struct memcached_string_st {
30 char *end;
31 char *string;
32 size_t current_size;
33 const memcached_st *root;
34 struct {
35 bool is_allocated:1;
36 bool is_initialized:1;
37 } options;
38 };
39
40 #define memcached_string_length(A) (size_t)((A)->end - (A)->string)
41 #define memcached_string_set_length(A, B) (A)->end= (A)->string + B
42 #define memcached_string_size(A) (A)->current_size
43 #define memcached_string_value(A) (A)->string
44
45 LIBMEMCACHED_LOCAL
46 memcached_string_st *memcached_string_create(memcached_st *ptr,
47 memcached_string_st *string,
48 size_t initial_size);
49 LIBMEMCACHED_LOCAL
50 memcached_return_t memcached_string_check(memcached_string_st *string, size_t need);
51
52 LIBMEMCACHED_LOCAL
53 char *memcached_string_c_copy(memcached_string_st *string);
54
55 LIBMEMCACHED_LOCAL
56 memcached_return_t memcached_string_append_character(memcached_string_st *string,
57 char character);
58 LIBMEMCACHED_LOCAL
59 memcached_return_t memcached_string_append(memcached_string_st *string,
60 const char *value, size_t length);
61 LIBMEMCACHED_LOCAL
62 memcached_return_t memcached_string_reset(memcached_string_st *string);
63
64 LIBMEMCACHED_LOCAL
65 void memcached_string_free(memcached_string_st *string);
66
67 #ifdef __cplusplus
68 }
69 #endif
70
71 #endif /* __MEMCACHED_STRING_H__ */