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
|
.TH "MEMCACHED_GENERATE_HASH" "3" "May 22, 2012" "1.0.8" "libmemcached"
.SH NAME
memcached_generate_hash \- Generating hash values directly
.
.nr rst2man-indent-level 0
.
.de1 rstReportMargin
\\$1 \\n[an-margin]
level \\n[rst2man-indent-level]
level margin: \\n[rst2man-indent\\n[rst2man-indent-level]]
-
\\n[rst2man-indent0]
\\n[rst2man-indent1]
\\n[rst2man-indent2]
..
.de1 INDENT
.\" .rstReportMargin pre:
. RS \\$1
. nr rst2man-indent\\n[rst2man-indent-level] \\n[an-margin]
. nr rst2man-indent-level +1
.\" .rstReportMargin post:
..
.de UNINDENT
. RE
.\" indent \\n[an-margin]
.\" old: \\n[rst2man-indent\\n[rst2man-indent-level]]
.nr rst2man-indent-level -1
.\" new: \\n[rst2man-indent\\n[rst2man-indent-level]]
.in \\n[rst2man-indent\\n[rst2man-indent-level]]u
..
.\" Man page generated from reStructeredText.
.
.sp
Hash a key value
.SH SYNOPSIS
.sp
#include <libmemcached/memcached.h>
.INDENT 0.0
.TP
.B memcached_hash_t
.UNINDENT
.INDENT 0.0
.TP
.B uint32_t memcached_generate_hash_value(const char\fI\ *key\fP, size_t\fI\ key_length\fP, \fI\%memcached_hash_t\fP\fI\ hash_algorithm\fP)
.UNINDENT
.INDENT 0.0
.TP
.B uint32_t memcached_generate_hash(memcached_st\fI\ *ptr\fP, const char\fI\ *key\fP, size_t\fI\ key_length\fP)
.UNINDENT
.INDENT 0.0
.TP
.B MEMCACHED_HASH_DEFAULT
.UNINDENT
.INDENT 0.0
.TP
.B MEMCACHED_HASH_MD5
.UNINDENT
.INDENT 0.0
.TP
.B MEMCACHED_HASH_CRC
.UNINDENT
.INDENT 0.0
.TP
.B MEMCACHED_HASH_FNV1_64
.UNINDENT
.INDENT 0.0
.TP
.B MEMCACHED_HASH_FNV1A_64
.UNINDENT
.INDENT 0.0
.TP
.B MEMCACHED_HASH_FNV1_32
.UNINDENT
.INDENT 0.0
.TP
.B MEMCACHED_HASH_FNV1A_32
.UNINDENT
.INDENT 0.0
.TP
.B MEMCACHED_HASH_JENKINS
.UNINDENT
.INDENT 0.0
.TP
.B MEMCACHED_HASH_MURMUR
.UNINDENT
.INDENT 0.0
.TP
.B MEMCACHED_HASH_HSIEH
.UNINDENT
.sp
Compile and link with \-lmemcachedutil \-lmemcached
.SH DESCRIPTION
.sp
\fI\%memcached_generate_hash_value()\fP allows you to hash a key using one of
the hash functions defined in the library. This method is provided for
the convenience of higher\-level language bindings and is not necessary
for normal memcache operations.
.sp
The allowed hash algorithm constants are listed in the manpage for
\fBmemcached_behavior_set()\fP.
.sp
\fI\%memcached_generate_hash()\fP takes a \fBmemcached_st\fP struture
and produces the hash value that would have been generated based on the
defaults of \fBmemcached_st\fP.
.sp
As of version 0.36 all hash methods have been placed into the library
libhashkit(3) which is linked with libmemcached(3). For more information please see its documentation.
.SH RETURN
.sp
A 32\-bit integer which is the result of hashing the given key.
For 64\-bit hash algorithms, only the least\-significant 32 bits are
returned.
.SH HOME
.sp
To find out more information please check:
\fI\%http://libmemcached.org/\fP
.SH AUTHOR
.sp
Brian Aker, <\fI\%brian@tangent.org\fP>
.SH SEE ALSO
.sp
\fImemcached(1)\fP \fIlibmemcached(3)\fP \fImemcached_strerror(3)\fP
.SH AUTHOR
Brian Aker
.SH COPYRIGHT
2011, Brian Aker DataDifferential, http://datadifferential.com/
.\" Generated by docutils manpage writer.
.\"
.
|
