blob: 3d7ba0fcba755fe35c7ba28da6cca87d7b2638da (
plain)
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
|
/*
* Copyright (C) 2007-2013 Xagasoft, All rights reserved.
*
* This file is part of the libbu++ library and is released under the
* terms of the license contained in the file LICENSE.
*/
#include "bu/hash.h"
namespace Bu { subExceptionDef( HashException ) }
template<>
uint32_t Bu::__calcHashCode<const char *>( const char * const &k )
{
if (k == NULL)
{
return 0;
}
unsigned long int nPos = 0;
for( const char *s = k; *s; s++ )
{
nPos = *s + (nPos << 6) + (nPos << 16) - nPos;
}
return nPos;
}
template<> bool Bu::__cmpHashKeys<const char *>( const char * const &a, const char * const &b )
{
if( a == b )
return true;
for(int j=0; a[j] == b[j]; j++ )
if( a[j] == '\0' )
return true;
return false;
}
template<>
uint32_t Bu::__calcHashCode<char *>( char * const &k )
{
if (k == NULL)
{
return 0;
}
unsigned long int nPos = 0;
for( const char *s = k; *s; s++ )
{
nPos = *s + (nPos << 6) + (nPos << 16) - nPos;
}
return nPos;
}
template<> bool Bu::__cmpHashKeys<char *>( char * const &a, char * const &b )
{
if( a == b )
return true;
for(int j=0; a[j] == b[j]; j++ )
if( a[j] == '\0' )
return true;
return false;
}
|
