1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
|
// file : odb/pgsql/traits.cxx
// copyright : Copyright (c) 2005-2015 Code Synthesis Tools CC
// license : GNU GPL v2; see accompanying LICENSE file
#include <odb/pgsql/traits.hxx>
using namespace std;
namespace odb
{
namespace pgsql
{
using details::buffer;
//
// default_value_traits<std::string, id_string>
//
void default_value_traits<std::string, id_string>::
set_image (buffer& b,
size_t& n,
bool& is_null,
const string& v)
{
is_null = false;
n = v.size ();
if (n > b.capacity ())
b.capacity (n);
if (n != 0)
memcpy (b.data (), v.c_str (), n);
}
//
// c_string_value_traits
//
void c_string_value_traits::
set_image (buffer& b,
size_t& n,
bool& is_null,
const char* v)
{
is_null = false;
n = strlen (v);
if (n > b.capacity ())
b.capacity (n);
if (n != 0)
memcpy (b.data (), v, n);
}
//
// c_array_value_traits_base
//
void c_array_value_traits_base::
set_value (char* const& v,
const details::buffer& b,
size_t n,
bool is_null,
size_t N)
{
if (!is_null)
{
n = n < N ? n : N;
if (n != 0)
memcpy (v, b.data (), n);
}
else
n = 0;
if (n != N) // Append '\0' if there is space.
v[n] = '\0';
}
void c_array_value_traits_base::
set_image (details::buffer& b,
size_t& n,
bool& is_null,
const char* v,
size_t N)
{
is_null = false;
// Figure out the length. We cannot use strlen since it may
// not be 0-terminated (strnlen is not standard).
//
for (n = 0; n != N && v[n] != '\0'; ++n) ;
if (n > b.capacity ())
b.capacity (n);
if (n != 0)
memcpy (b.data (), v, n);
}
//
// default_value_traits<vector<char>, id_bytea>
//
// std::vector has to be qualified for Sun CC.
//
void default_value_traits<std::vector<char>, id_bytea>::
set_image (details::buffer& b,
size_t& n,
bool& is_null,
const value_type& v)
{
is_null = false;
n = v.size ();
if (n > b.capacity ())
b.capacity (n);
// std::vector::data() may not be available in older compilers.
//
if (n != 0)
memcpy (b.data (), &v.front (), n);
}
//
// default_value_traits<vector<unsigned char>, id_bytea>
//
// std::vector has to be qualified for Sun CC.
//
void default_value_traits<std::vector<unsigned char>, id_bytea>::
set_image (details::buffer& b,
size_t& n,
bool& is_null,
const value_type& v)
{
is_null = false;
n = v.size ();
if (n > b.capacity ())
b.capacity (n);
// std::vector::data() may not be available in older compilers.
//
if (n != 0)
memcpy (b.data (), &v.front (), n);
}
}
}
|
