Don't crash on close from window manager.
[wine.git] / dlls / oleaut32 / hash.c
blob30da81591cb2405db98f4fcc1a0dea37ba8b8efe
1 /*
2 * Oleaut32 hash functions
4 * Copyright 1999 Corel Corporation
5 * 2001 Jon Griffiths
7 * FIXME: Not all locales are supported yet.
8 */
9 #include "windef.h"
10 #include "winbase.h"
11 #include "wingdi.h"
12 #include "winuser.h"
13 #include "debugtools.h"
14 #include "ole2.h"
15 #include "olectl.h"
16 #include "heap.h"
18 DEFAULT_DEBUG_CHANNEL(ole);
20 static const unsigned char Lookup405[128 * 3] = {
21 /* Common */
22 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0A, 0x0B, 0x0C,
23 0x0D, 0x0E, 0x0F, 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, 0x18, 0x19,
24 0x1A, 0x1B, 0x1C, 0x1D, 0x1E, 0x1F, 0x20, 0x21, 0x22, 0x23, 0x24, 0x25, 0x26,
25 0x27, 0x28, 0x29, 0x2A, 0x2B, 0x2C, 0x2D, 0x2E, 0x00, 0x30, 0x31, 0x32, 0x33,
26 0x34, 0x35, 0x36, 0x37, 0x38, 0x39, 0x3A, 0x3B, 0x3C, 0x3D, 0x3E, 0x3F, 0x40,
27 0x41, 0x42, 0x43, 0x44, 0x45, 0x46, 0x47, 0x48, 0x49, 0x4A, 0x4B, 0x4C, 0x4D,
28 0x4E, 0x4F, 0x50, 0x51, 0x52, 0x53, 0x54, 0x55, 0x56, 0x57, 0x58, 0x59, 0x5A,
29 0x5B, 0x5C, 0x5D, 0x5E, 0x5F, 0x60, 0x41, 0x42, 0x43, 0x44, 0x45, 0x46, 0x47,
30 0x48, 0x49, 0x4A, 0x4B, 0x4C, 0x4D, 0x4E, 0x4F, 0x50, 0x51, 0x52, 0x53, 0x54,
31 0x55, 0x56, 0x57, 0x58, 0x59, 0x5A, 0x7B, 0x7C, 0x7D, 0x7E, 0x7F,
33 /* Windows */
34 0x7F, 0x7F, 0x82, 0x7F, 0x84, 0x85, 0x86, 0x87, 0x7F, 0x89, 0x53, 0x8B, 0x53,
35 0x54, 0x5A, 0x5A, 0x7F, 0x91, 0x92, 0x93, 0x94, 0x95, 0x96, 0x96, 0x7F, 0x99,
36 0x53, 0x9B, 0x53, 0x54, 0x5A, 0x5A, 0xA0, 0x7F, 0xA2, 0x4C, 0xA4, 0x41, 0xA6,
37 0xA7, 0xA8, 0xA9, 0x53, 0xAB, 0xAC, 0x96, 0xAE, 0x5A, 0xB0, 0xB1, 0xB2, 0x4C,
38 0xB4, 0xB5, 0xB6, 0xB7, 0xB8, 0x41, 0x53, 0xBB, 0x4C, 0xBD, 0x4C, 0x5A, 0x52,
39 0x41, 0x41, 0x41, 0x41, 0x4C, 0x43, 0x43, 0x43, 0x45, 0x45, 0x45, 0x45, 0x49,
40 0x49, 0x44, 0xD0, 0x4E, 0x4E, 0x4F, 0x4F, 0x4F, 0x4F, 0xD7, 0x52, 0x55, 0x55,
41 0x55, 0x55, 0x59, 0x54, 0xDF, 0x52, 0x41, 0x41, 0x41, 0x41, 0x4C, 0x43, 0x43,
42 0x43, 0x45, 0x45, 0x45, 0x45, 0x49, 0x49, 0x44, 0xD0, 0x4E, 0x4E, 0x4F, 0x4F,
43 0x4F, 0x4F, 0xF7, 0x52, 0x55, 0x55, 0x55, 0x55, 0x59, 0x54, 0xFF,
45 /* Mac */
46 0x41, 0x41, 0x41, 0x45, 0x41, 0x4F, 0x55, 0x41, 0x41, 0x43, 0x41, 0x43, 0x43,
47 0x43, 0x45, 0x5A, 0x5A, 0x44, 0x49, 0x44, 0x45, 0x45, 0x45, 0x4F, 0x45, 0x4F,
48 0x4F, 0x4F, 0x55, 0x45, 0x45, 0x55, 0xA0, 0xA1, 0x45, 0xA3, 0xA4, 0xA5, 0xA6,
49 0xA7, 0xA8, 0xA9, 0xAA, 0x45, 0xAC, 0xAD, 0x47, 0x49, 0x49, 0x49, 0xB2, 0xB3,
50 0x49, 0x4B, 0xB6, 0xB7, 0x4C, 0x4C, 0x4C, 0x4C, 0x4C, 0x4C, 0x4C, 0x4E, 0x4E,
51 0x4E, 0xC2, 0xC3, 0x4E, 0x4E, 0xC6, 0xC7, 0xC8, 0xC9, 0xCA, 0x4E, 0x4F, 0x4F,
52 0x4F, 0x4F, 0xD0, 0xD0, 0xD2, 0xD3, 0xD4, 0xD5, 0xD6, 0xD7, 0x4F, 0x52, 0x52,
53 0x52, 0xDC, 0xDD, 0x52, 0x52, 0x52, 0x53, 0xE2, 0xE3, 0x53, 0x53, 0x53, 0x41,
54 0x54, 0x54, 0x49, 0x5A, 0x5A, 0x55, 0x4F, 0x4F, 0x55, 0x55, 0x55, 0x55, 0x55,
55 0x55, 0x55, 0x55, 0x59, 0x59, 0x4B, 0x5A, 0x4C, 0x4C, 0x47, 0xFF
58 static const unsigned char Lookup409[128 * 3] = {
59 /* Common */
60 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0A, 0x0B, 0x0C,
61 0x0D, 0x0E, 0x0F, 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, 0x18, 0x19,
62 0x1A, 0x1B, 0x1C, 0x1D, 0x1E, 0x1F, 0x20, 0x21, 0x22, 0x23, 0x24, 0x25, 0x26,
63 0x27, 0x28, 0x29, 0x2A, 0x2B, 0x2C, 0x2D, 0x2E, 0x00, 0x30, 0x31, 0x32, 0x33,
64 0x34, 0x35, 0x36, 0x37, 0x38, 0x39, 0x3A, 0x3B, 0x3C, 0x3D, 0x3E, 0x3F, 0x40,
65 0x41, 0x42, 0x43, 0x44, 0x45, 0x46, 0x47, 0x48, 0x49, 0x4A, 0x4B, 0x4C, 0x4D,
66 0x4E, 0x4F, 0x50, 0x51, 0x52, 0x53, 0x54, 0x55, 0x56, 0x56, 0x58, 0x55, 0x5A,
67 0x5B, 0x5C, 0x5D, 0x5E, 0x5F, 0x60, 0x41, 0x42, 0x43, 0x44, 0x45, 0x46, 0x47,
68 0x48, 0x49, 0x4A, 0x4B, 0x4C, 0x4D, 0x4E, 0x4F, 0x50, 0x51, 0x52, 0x53, 0x54,
69 0x55, 0x56, 0x56, 0x58, 0x55, 0x5A, 0x7B, 0x7C, 0x7D, 0x7E, 0x7F,
71 /* Windows */
72 0x7F, 0x7F, 0x82, 0x46, 0x84, 0x85, 0x86, 0x87, 0x7F, 0x89, 0x53, 0x8B, 0x8C,
73 0x7F, 0x7F, 0x7F, 0x7F, 0x91, 0x92, 0x93, 0x94, 0x95, 0x96, 0x96, 0x98, 0x99,
74 0x53, 0x9B, 0x8C, 0x7F, 0x7F, 0x55, 0xA0, 0xA1, 0xA2, 0xA3, 0xA4, 0xA5, 0xA6,
75 0xA7, 0xA8, 0xA9, 0x41, 0xAB, 0xAC, 0x96, 0xAE, 0xAF, 0xB0, 0xB1, 0x32, 0x33,
76 0xB4, 0xB5, 0xB6, 0xB7, 0xB8, 0x31, 0x4F, 0xBB, 0xBC, 0xBD, 0xBE, 0xBF, 0x41,
77 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x43, 0x45, 0x45, 0x45, 0x45, 0x49, 0x49,
78 0x49, 0x49, 0x44, 0x4E, 0x4F, 0x4F, 0x4F, 0x4F, 0x4F, 0xD7, 0x4F, 0x55, 0x55,
79 0x55, 0x55, 0x55, 0xDE, 0xDF, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x43,
80 0x45, 0x45, 0x45, 0x45, 0x49, 0x49, 0x49, 0x49, 0x44, 0x4E, 0x4F, 0x4F, 0x4F,
81 0x4F, 0x4F, 0xF7, 0x4F, 0x55, 0x55, 0x55, 0x55, 0x55, 0xDE, 0x55,
83 /* Mac */
84 0x41, 0x41, 0x43, 0x45, 0x4E, 0x4F, 0x55, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41,
85 0x43, 0x45, 0x45, 0x45, 0x45, 0x49, 0x49, 0x49, 0x49, 0x4E, 0x4F, 0x4F, 0x4F,
86 0x4F, 0x4F, 0x55, 0x55, 0x55, 0x55, 0xA0, 0xA1, 0xA2, 0xA3, 0xA4, 0xA5, 0xA6,
87 0xA7, 0xA8, 0xA9, 0xAA, 0xAB, 0xAC, 0xAD, 0x41, 0x4F, 0xB0, 0xB1, 0xB2, 0xB3,
88 0xB4, 0xB5, 0xB6, 0xB7, 0xB8, 0xB9, 0xBA, 0x41, 0x4F, 0xBD, 0x41, 0x4F, 0xC0,
89 0xC1, 0xC2, 0xC3, 0x46, 0xC5, 0xC6, 0xC7, 0xC8, 0xC9, 0xCA, 0x41, 0x41, 0x4F,
90 0xCE, 0xCE, 0xD0, 0xD0, 0xD2, 0xD3, 0xD4, 0xD5, 0xD6, 0xD7, 0x55, 0x55, 0xDA,
91 0xDB, 0xDC, 0xDD, 0x3F, 0x3F, 0xE0, 0xE1, 0xE2, 0xE3, 0xE4, 0x41, 0x45, 0x41,
92 0x45, 0x45, 0x49, 0x49, 0x49, 0x49, 0x4F, 0x4F, 0x3F, 0x4F, 0x55, 0x55, 0x55,
93 0x49, 0x7F, 0xF7, 0x7F, 0xF9, 0xFA, 0xFB, 0x3F, 0xFD, 0xFE, 0x7F
96 static const unsigned char Lookup419[128 * 3] = {
97 /* Common */
98 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0A, 0x0B, 0x0C,
99 0x0D, 0x0E, 0x0F, 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, 0x18, 0x19,
100 0x1A, 0x1B, 0x1C, 0x1D, 0x1E, 0x1F, 0x20, 0x21, 0x22, 0x23, 0x24, 0x25, 0x26,
101 0x27, 0x28, 0x29, 0x2A, 0x2B, 0x2C, 0x2D, 0x2E, 0x00, 0x30, 0x31, 0x32, 0x33,
102 0x34, 0x35, 0x36, 0x37, 0x38, 0x39, 0x3A, 0x3B, 0x3C, 0x3D, 0x3E, 0x3F, 0x40,
103 0x41, 0x42, 0x43, 0x44, 0x45, 0x46, 0x47, 0x48, 0x49, 0x4A, 0x4B, 0x4C, 0x4D,
104 0x4E, 0x4F, 0x50, 0x51, 0x52, 0x53, 0x54, 0x55, 0x56, 0x57, 0x58, 0x59, 0x5A,
105 0x5B, 0x5C, 0x5D, 0x5E, 0x5F, 0x60, 0x41, 0x42, 0x43, 0x44, 0x45, 0x46, 0x47,
106 0x48, 0x49, 0x4A, 0x4B, 0x4C, 0x4D, 0x4E, 0x4F, 0x50, 0x51, 0x52, 0x53, 0x54,
107 0x55, 0x56, 0x57, 0x58, 0x59, 0x5A, 0x7B, 0x7C, 0x7D, 0x7E, 0x7F,
109 /* Windows */
110 0x7F, 0x7F, 0x82, 0x46, 0x84, 0x85, 0x86, 0x87, 0x7F, 0x89, 0x53, 0x8B, 0x8C,
111 0x7F, 0x7F, 0x7F, 0x7F, 0x91, 0x92, 0x93, 0x94, 0x95, 0x96, 0x96, 0x98, 0x99,
112 0x53, 0x9B, 0x8C, 0x7F, 0x7F, 0x59, 0xA0, 0xA1, 0xA2, 0xA3, 0xA4, 0xA5, 0xA6,
113 0xA7, 0xA8, 0xA9, 0x41, 0xAB, 0xAC, 0x96, 0xAE, 0xAF, 0xB0, 0xB1, 0x32, 0x33,
114 0xB4, 0xB5, 0xB6, 0xB7, 0xB8, 0x31, 0x4F, 0xBB, 0xBC, 0xBD, 0xBE, 0xBF, 0x41,
115 0x41, 0x41, 0x41, 0x41, 0x41, 0xC6, 0x43, 0x45, 0x45, 0x45, 0x45, 0x49, 0x49,
116 0x49, 0x49, 0xD0, 0x4E, 0x4F, 0x4F, 0x4F, 0x4F, 0x4F, 0xD7, 0x4F, 0x55, 0x55,
117 0x55, 0x55, 0x59, 0xDE, 0xDF, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0xC6, 0x43,
118 0x45, 0x45, 0x45, 0x45, 0x49, 0x49, 0x49, 0x49, 0xD0, 0x4E, 0x4F, 0x4F, 0x4F,
119 0x4F, 0x4F, 0xF7, 0x4F, 0x55, 0x55, 0x55, 0x55, 0x59, 0xDE, 0x59,
121 /* Mac */
122 0x80, 0x81, 0x82, 0x83, 0x84, 0x85, 0x86, 0x87, 0x88, 0x89, 0x8A, 0x8B, 0x8C,
123 0x8D, 0x8E, 0x8F, 0x90, 0x91, 0x92, 0x93, 0x94, 0x95, 0x96, 0x97, 0x98, 0x99,
124 0x9A, 0x9B, 0x9C, 0x9D, 0x9E, 0x9F, 0xA0, 0xA1, 0xA2, 0xA3, 0xA4, 0xA5, 0xA6,
125 0xA7, 0xA8, 0xA9, 0xAA, 0xAB, 0xAB, 0xAD, 0xAE, 0xAE, 0xB0, 0xB1, 0xB2, 0xB3,
126 0xA7, 0xB5, 0xB6, 0xB7, 0xB8, 0xB8, 0xBA, 0xBA, 0xBC, 0xBC, 0xBE, 0xBE, 0xB7,
127 0xC1, 0xC2, 0xC3, 0x46, 0xC5, 0xC6, 0xC7, 0xC8, 0xC9, 0xCA, 0xCB, 0xCB, 0xCD,
128 0xCD, 0xC1, 0xD0, 0xD0, 0xD2, 0xD3, 0xD4, 0xD5, 0xD6, 0xD7, 0xD8, 0xD8, 0xDA,
129 0xDA, 0xDC, 0xDD, 0xDD, 0x9F, 0x80, 0x81, 0x82, 0x83, 0x84, 0x85, 0x86, 0x87,
130 0x88, 0x89, 0x8A, 0x8B, 0x8C, 0x8D, 0x8E, 0x8F, 0x90, 0x91, 0x92, 0x93, 0x94,
131 0x95, 0x96, 0x97, 0x98, 0x99, 0x9A, 0x9B, 0x9C, 0x9D, 0x9E, 0x9F
134 static const unsigned char Lookup814[128 * 3] = {
135 /* Common */
136 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0A, 0x0B, 0x0C,
137 0x0D, 0x0E, 0x0F, 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, 0x18, 0x19,
138 0x1A, 0x1B, 0x1C, 0x1D, 0x1E, 0x1F, 0x20, 0x21, 0x22, 0x23, 0x24, 0x25, 0x26,
139 0x27, 0x28, 0x29, 0x2A, 0x2B, 0x2C, 0x2D, 0x2E, 0x2F, 0x30, 0x31, 0x32, 0x33,
140 0x34, 0x35, 0x36, 0x37, 0x38, 0x39, 0x3A, 0x3B, 0x3C, 0x3D, 0x3E, 0x3F, 0x40,
141 0x41, 0x42, 0x43, 0x44, 0x45, 0x46, 0x47, 0x48, 0x49, 0x4A, 0x4B, 0x4C, 0x4D,
142 0x4E, 0x4F, 0x50, 0x51, 0x52, 0x53, 0x54, 0x55, 0x56, 0x57, 0x58, 0x59, 0x5A,
143 0x5B, 0x5C, 0x5D, 0x5E, 0x5F, 0x60, 0x41, 0x42, 0x43, 0x44, 0x45, 0x46, 0x47,
144 0x48, 0x49, 0x4A, 0x4B, 0x4C, 0x4D, 0x4E, 0x4F, 0x50, 0x51, 0x52, 0x53, 0x54,
145 0x55, 0x56, 0x57, 0x58, 0x59, 0x5A, 0x7B, 0x7C, 0x7D, 0x7E, 0x00,
147 /* Windows */
148 0x00, 0x00, 0x82, 0x46, 0x84, 0x85, 0x86, 0x87, 0x00, 0x89, 0x53, 0x8B, 0x8C,
149 0x00, 0x00, 0x00, 0x00, 0x91, 0x92, 0x93, 0x94, 0x95, 0x2D, 0x2D, 0x98, 0x99,
150 0x53, 0x9B, 0x8C, 0x00, 0x00, 0x59, 0x09, 0xA1, 0xA2, 0xA3, 0xA4, 0xA5, 0xA6,
151 0xA7, 0xA8, 0xA9, 0x41, 0xAB, 0xAC, 0x2D, 0xAE, 0xAF, 0xB0, 0xB1, 0x32, 0x33,
152 0xB4, 0xB5, 0xB6, 0xB7, 0xB8, 0x31, 0x4F, 0xBB, 0xBC, 0xBD, 0xBE, 0xBF, 0x41,
153 0x41, 0x41, 0x41, 0xC4, 0xC5, 0xC4, 0x43, 0x45, 0x45, 0x45, 0x45, 0x49, 0x49,
154 0x49, 0x49, 0x44, 0x4E, 0x4F, 0x4F, 0x4F, 0x4F, 0xD6, 0xD7, 0xD6, 0x55, 0x55,
155 0x55, 0x59, 0x59, 0xDE, 0xDF, 0x41, 0x41, 0x41, 0x41, 0xC4, 0xC5, 0xC4, 0x43,
156 0x45, 0x45, 0x45, 0x45, 0x49, 0x49, 0x49, 0x49, 0x44, 0x4E, 0x4F, 0x4F, 0x4F,
157 0x4F, 0xD6, 0xF7, 0xD6, 0x55, 0x55, 0x55, 0x59, 0x59, 0xDE, 0x59,
159 /* Mac */
160 0x80, 0x81, 0x43, 0x45, 0x4E, 0x85, 0x59, 0x41, 0x41, 0x41, 0x80, 0x41, 0x81,
161 0x43, 0x45, 0x45, 0x45, 0x45, 0x49, 0x49, 0x49, 0x49, 0x4E, 0x4F, 0x4F, 0x4F,
162 0x85, 0x4F, 0x55, 0x55, 0x55, 0x59, 0xA0, 0xA1, 0xA2, 0xA3, 0xA4, 0xA5, 0xA6,
163 0xA7, 0xA8, 0xA9, 0xAA, 0xAB, 0xAC, 0xAD, 0x80, 0x85, 0xB0, 0xB1, 0xB2, 0xB3,
164 0xB4, 0xB5, 0xB6, 0xB7, 0xB8, 0xB9, 0xBA, 0x41, 0x4F, 0xBD, 0x80, 0x85, 0xC0,
165 0xC1, 0xC2, 0xC3, 0x46, 0xC5, 0xC6, 0xC7, 0xC8, 0xC9, 0x09, 0x41, 0x41, 0x4F,
166 0xCE, 0xCE, 0x2D, 0x2D, 0xD2, 0xD3, 0xD4, 0xD5, 0xD6, 0xD7, 0x59, 0x59, 0xDA,
167 0xDB, 0xDC, 0xDD, 0x3F, 0x3F, 0xE0, 0xE1, 0xE2, 0xE3, 0xE4, 0x41, 0x45, 0x41,
168 0x45, 0x45, 0x49, 0x49, 0x49, 0x49, 0x4F, 0x4F, 0x3F, 0x4F, 0x55, 0x55, 0x55,
169 0x49, 0x00, 0xF7, 0x00, 0xF9, 0xFA, 0xFB, 0x3F, 0xFD, 0xFE, 0x00
172 /***********************************************************************
173 * LHashValOfNameSysA
175 * Produce a two part hash: The high word is based on skind and lcid,
176 * the low word is based on a repeated string hash of skind/str.
178 ULONG WINAPI LHashValOfNameSysA( SYSKIND skind, LCID lcid, LPCSTR lpStr)
180 ULONG nOffset, nMask = skind == SYS_MAC ? 1 : 0;
181 ULONG nHiWord, nLoWord = 0x0deadbee;
182 const unsigned char *str = (const unsigned char *)lpStr, *pnLookup = NULL;
184 if (!str)
185 return 0;
187 switch (lcid)
189 case 0x405:
190 nOffset = 32;
191 pnLookup = Lookup405;
192 break;
193 case 0x409:
194 nOffset = 16;
195 pnLookup = Lookup409;
196 break;
197 case 0x419:
198 nOffset = 48;
199 pnLookup = Lookup419;
200 break;
201 case 0x814:
202 nOffset = 176;
203 pnLookup = Lookup814;
204 break;
205 default:
206 ERR("No hash for LCID %x, returning '0x00424242', please report\n", (unsigned)lcid);
207 return 0x00424242;
210 nHiWord = (nOffset | nMask) << 16;
212 while (*str)
214 ULONG newLoWord = 0, i;
216 /* Cumulative prime multiplication (*37) with modulo 2^32 wrap-around */
217 for (i = 0; i < 37; i++)
218 newLoWord += nLoWord;
220 nLoWord = newLoWord + pnLookup[*str > 0x7f && nMask ? *str + 0x80 : *str];
221 str++;
223 /* Constrain to a prime modulo and sizeof(WORD) */
224 nLoWord = (nLoWord % 65599) & 0xffff;
226 return nHiWord | nLoWord;
229 /***********************************************************************
230 * LHashValOfNameSys
232 ULONG WINAPI LHashValOfNameSys( SYSKIND skind, LCID lcid, LPCOLESTR str)
234 LPSTR strA;
235 ULONG res;
237 if (!str) return 0;
238 strA = HEAP_strdupWtoA(GetProcessHeap(), 0, str);
239 res = LHashValOfNameSysA(skind, lcid, strA);
240 HeapFree(GetProcessHeap(), 0, strA);
241 return res;