1 | /* $Id: clsid.cpp,v 1.12 2000-04-02 22:07:34 davidr Exp $ */
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2 | /*
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3 | *
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4 | * Project Odin Software License can be found in LICENSE.TXT
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5 | *
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6 | */
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7 | /*
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8 | * ClassID Manipulation.
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9 | *
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10 | * 1/7/99
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11 | *
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12 | * Copyright 2000 David J. Raison
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13 | *
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14 | * Some portions from Wine Implementation
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15 | *
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16 | * Copyright 1995 Martin von Loewis
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17 | * 1998 Justin Bradford
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18 | * 1999 Francis Beaudet
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19 | * 1999 Sylvain St-Germain
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20 | */
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21 |
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22 | #include "ole32.h"
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23 | #include "rpcdce.h"
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24 |
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25 | #include "oString.h"
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26 |
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27 |
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28 | // ----------------------------------------------------------------------
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29 | // CoCreateGuid [OLE32.6]
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30 | //
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31 | // Creates a 128bit GUID.
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32 | // ----------------------------------------------------------------------
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33 | HRESULT WINAPI CoCreateGuid(
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34 | GUID * pguid) /* [out] points to the GUID to initialize */
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35 | {
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36 | HRESULT hr;
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37 |
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38 | dprintf(("OLE32: CoCreateGuid"));
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39 |
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40 | hr = UuidCreate(pguid);
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41 |
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42 | #if defined(DEBUG)
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43 | oStringA tGUID(pguid);
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44 | dprintf((" guid = %s", (char *)tGUID));
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45 | #endif
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46 | return hr;
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47 | }
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48 |
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49 | // ----------------------------------------------------------------------
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50 | // CLSIDFromProgID16()
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51 | // ----------------------------------------------------------------------
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52 | HRESULT WIN32API CLSIDFromProgID16(
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53 | LPCOLESTR16 lpszProgID, // [in] - UNICODE program id as found in registry
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54 | LPCLSID pclsid) // [out] - CLSID
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55 | {
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56 | dprintf(("OLE32: CLSIDFromProgID16"));
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57 |
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58 | LONG lDataLen = 80;
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59 | oStringA szKey(lpszProgID);
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60 | oStringA szCLSID(lDataLen, 1);
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61 | HKEY hKey;
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62 | HRESULT rc;
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63 |
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64 | // Create the registry lookup string...
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65 | szKey += "\\CLSID";
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66 |
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67 | // Try to open the key in the registry...
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68 | rc = RegOpenKeyA(HKEY_CLASSES_ROOT, szKey, &hKey);
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69 | if (rc != 0)
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70 | return OLE_ERROR_GENERIC;
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71 |
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72 | // Now get the data from the _default_ entry on this key...
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73 | rc = RegQueryValueA(hKey, NULL, szCLSID, &lDataLen);
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74 | RegCloseKey(hKey);
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75 | if (rc != 0)
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76 | return OLE_ERROR_GENERIC;
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77 |
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78 | // Now convert from a string to a UUID
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79 | return CLSIDFromString16(szCLSID, pclsid);
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80 | }
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81 |
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82 | // ----------------------------------------------------------------------
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83 | // CLSIDFromProgID()
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84 | // ----------------------------------------------------------------------
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85 | HRESULT WIN32API CLSIDFromProgID(
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86 | LPCOLESTR lpszProgID, // [in] - UNICODE program id as found in registry
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87 | LPCLSID pclsid) // [out] - CLSID
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88 | {
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89 | dprintf(("OLE32: CLSIDFromProgID"));
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90 |
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91 | LONG lDataLen = 80;
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92 | oStringW szKey(lpszProgID);
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93 | oStringW szCLSID(lDataLen, 1);
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94 | HKEY hKey;
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95 | HRESULT rc;
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96 |
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97 | // Create the registry lookup string...
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98 | szKey += L"\\CLSID";
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99 |
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100 | // Try to open the key in the registry...
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101 | rc = RegOpenKeyW(HKEY_CLASSES_ROOT, szKey, &hKey);
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102 | if (rc != 0)
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103 | return OLE_ERROR_GENERIC;
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104 |
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105 | // Now get the data from the _default_ entry on this key...
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106 | rc = RegQueryValueW(hKey, NULL, szCLSID, &lDataLen);
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107 | RegCloseKey(hKey);
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108 | if (rc != 0)
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109 | return OLE_ERROR_GENERIC;
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110 |
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111 | // Now convert from a string to a UUID
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112 | return CLSIDFromString(szCLSID, pclsid);
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113 | }
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114 |
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115 | // ----------------------------------------------------------------------
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116 | // IIDFromString
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117 | // ----------------------------------------------------------------------
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118 | HRESULT WIN32API IIDFromString(LPSTR lpsz, LPIID lpiid)
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119 | {
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120 | dprintf(("OLE32: IIDFromString"));
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121 | return CLSIDFromString((LPCOLESTR)lpsz, (LPCLSID)lpiid);
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122 | }
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123 |
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124 |
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125 | // ----------------------------------------------------------------------
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126 | // CLSIDFromStringA()
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127 | // @@@PH: this is not a WINE API, but a replacement for CLSIDFromString16
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128 | // which used to accept ASCII strings instead of OLE strings
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129 | // ----------------------------------------------------------------------
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130 |
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131 | HRESULT WIN32API CLSIDFromStringA(
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132 | LPCSTR lpsz, // [in] - ASCII string CLSID
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133 | LPCLSID pclsid) // [out] - Binary CLSID
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134 | {
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135 | return CLSIDFromString16(lpsz, pclsid);
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136 | }
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137 |
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138 |
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139 | // ----------------------------------------------------------------------
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140 | // CLSIDFromString16()
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141 | // ----------------------------------------------------------------------
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142 | HRESULT WIN32API CLSIDFromString16(
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143 | LPCOLESTR16 lpsz, // [in] - Unicode string CLSID
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144 | LPCLSID pclsid) // [out] - Binary CLSID
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145 | {
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146 | dprintf(("OLE32: CLSIDFromString16"));
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147 |
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148 | // Convert to binary CLSID
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149 | char *s = (char *) lpsz;
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150 | char *p;
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151 | int i;
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152 | char table[256];
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153 |
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154 | /* quick lookup table */
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155 | memset(table, 0, 256);
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156 |
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157 | for (i = 0; i < 10; i++)
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158 | {
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159 | table['0' + i] = i;
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160 | }
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161 | for (i = 0; i < 6; i++)
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162 | {
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163 | table['A' + i] = i+10;
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164 | table['a' + i] = i+10;
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165 | }
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166 |
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167 | /* in form {XXXXXXXX-XXXX-XXXX-XXXX-XXXXXXXXXXXX} */
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168 |
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169 | if (lstrlenA(lpsz) != 38)
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170 | return OLE_ERROR_OBJECT;
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171 |
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172 | p = (char *) pclsid;
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173 |
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174 | s++; /* skip leading brace */
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175 | for (i = 0; i < 4; i++)
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176 | {
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177 | p[3 - i] = table[*s]<<4 | table[*(s+1)];
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178 | s += 2;
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179 | }
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180 | p += 4;
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181 | s++; /* skip - */
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182 |
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183 | for (i = 0; i < 2; i++)
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184 | {
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185 | p[1-i] = table[*s]<<4 | table[*(s+1)];
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186 | s += 2;
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187 | }
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188 | p += 2;
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189 | s++; /* skip - */
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190 |
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191 | for (i = 0; i < 2; i++)
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192 | {
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193 | p[1-i] = table[*s]<<4 | table[*(s+1)];
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194 | s += 2;
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195 | }
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196 | p += 2;
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197 | s++; /* skip - */
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198 |
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199 | /* these are just sequential bytes */
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200 | for (i = 0; i < 2; i++)
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201 | {
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202 | *p++ = table[*s]<<4 | table[*(s+1)];
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203 | s += 2;
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204 | }
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205 | s++; /* skip - */
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206 |
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207 | for (i = 0; i < 6; i++)
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208 | {
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209 | *p++ = table[*s]<<4 | table[*(s+1)];
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210 | s += 2;
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211 | }
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212 |
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213 | return S_OK;
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214 | }
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215 |
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216 | // ----------------------------------------------------------------------
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217 | // CLSIDFromString()
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218 | // ----------------------------------------------------------------------
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219 | HRESULT WIN32API CLSIDFromString(
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220 | LPCOLESTR lpsz, // [in] - Unicode string CLSID
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221 | LPCLSID pclsid) // [out] - Binary CLSID
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222 | {
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223 | dprintf(("OLE32: CLSIDFromString"));
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224 |
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225 | oStringA tClsId(lpsz);
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226 |
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227 | return CLSIDFromString16(tClsId, pclsid);
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228 | }
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229 |
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230 | // ----------------------------------------------------------------------
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231 | // WINE_StringFromCLSID
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232 | // ----------------------------------------------------------------------
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233 | HRESULT WIN32API WINE_StringFromCLSID(const CLSID *rclsid, LPSTR idstr)
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234 | {
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235 | dprintf(("OLE32: WINE_StringFromCLSID"));
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236 |
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237 | if (rclsid == NULL)
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238 | {
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239 | dprintf((" clsid: (NULL)"));
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240 | *idstr = 0;
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241 | return E_FAIL;
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242 | }
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243 |
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244 | // Setup new string...
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245 | sprintf(idstr, "{%08X-%04X-%04X-%02X%02X-%02X%02X%02X%02X%02X%02X}",
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246 | rclsid->Data1,
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247 | rclsid->Data2,
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248 | rclsid->Data3,
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249 | rclsid->Data4[0],
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250 | rclsid->Data4[1],
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251 | rclsid->Data4[2],
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252 | rclsid->Data4[3],
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253 | rclsid->Data4[4],
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254 | rclsid->Data4[5],
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255 | rclsid->Data4[6],
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256 | rclsid->Data4[7]);
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257 |
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258 | dprintf((" clsid: %s", idstr));
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259 |
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260 | return OLE_OK;
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261 | }
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262 |
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263 | // ----------------------------------------------------------------------
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264 | // StringFromCLSID
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265 | // Memory allocated here on behalf of application should be freed using CoTaskMemFree()
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266 | // ----------------------------------------------------------------------
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267 | HRESULT WIN32API StringFromCLSID(REFCLSID rclsid, LPOLESTR *ppsz)
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268 | {
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269 | char tmp[50];
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270 | LPWSTR szclsid;
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271 | size_t strLen;
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272 |
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273 | dprintf(("OLE32: StringFromCLSID"));
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274 |
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275 | // Setup new string...
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276 | WINE_StringFromCLSID(rclsid, tmp);
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277 |
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278 | strLen = strlen(tmp);
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279 |
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280 | // Grab buffer for string...
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281 | szclsid = (LPWSTR)CoTaskMemAlloc((strLen + 1) * sizeof(WCHAR));
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282 |
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283 | AsciiToUnicode(tmp, szclsid);
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284 |
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285 | *ppsz = (LPOLESTR)szclsid;
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286 |
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287 | return S_OK;
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288 | }
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289 |
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290 | // ----------------------------------------------------------------------
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291 | // StringFromIID
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292 | // Memory allocated here on behalf of application should be freed using CoTaskMemFree()
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293 | // ----------------------------------------------------------------------
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294 | HRESULT WIN32API StringFromIID(REFIID riid, LPOLESTR *ppsz)
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295 | {
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296 | char tmp[50];
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297 | LPWSTR sziid;
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298 | size_t strLen;
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299 |
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300 | dprintf(("OLE32: StringFromIID"));
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301 |
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302 | // Setup new string...
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303 | WINE_StringFromCLSID(riid, tmp);
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304 |
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305 | strLen = strlen(tmp);
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306 |
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307 | // Grab buffer for string...
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308 | sziid = (LPWSTR)CoTaskMemAlloc((strLen + 1) * sizeof(WCHAR));
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309 |
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310 | AsciiToUnicode(tmp, sziid);
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311 |
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312 | *ppsz = (LPOLESTR)sziid;
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313 |
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314 | return S_OK;
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315 | }
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316 |
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317 | // ----------------------------------------------------------------------
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318 | // StringFromGUID2
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319 | // ----------------------------------------------------------------------
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320 | int WIN32API StringFromGUID2(REFGUID rguid, LPOLESTR lpsz, int cbMax)
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321 | {
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322 | char tmp[50];
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323 | size_t strLen;
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324 |
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325 | dprintf(("OLE32: StringFromGUID2"));
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326 |
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327 | // Setup new string...
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328 | WINE_StringFromCLSID(rguid, tmp);
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329 |
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330 | strLen = strlen(tmp);
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331 |
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332 | if ( (strLen / 2) + 1 > cbMax )
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333 | return 0;
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334 |
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335 | AsciiToUnicode(tmp, lpsz);
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336 |
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337 | return (strLen / 2) + 1; // including 0 terminator
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338 | }
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339 |
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340 | // ----------------------------------------------------------------------
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341 | // CONCRETE_IsEqualGUID
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342 | // ----------------------------------------------------------------------
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343 | int WIN32API CONCRETE_IsEqualGUID(REFGUID rguid1, REFGUID rguid2)
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344 | {
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345 | return IsEqualGUID(rguid1, rguid2);
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346 | }
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347 |
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348 | // ----------------------------------------------------------------------
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349 | // ReadClassStm
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350 | // ----------------------------------------------------------------------
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351 | HRESULT WIN32API ReadClassStm(IStream *pStm, CLSID *rclsid)
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352 | {
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353 | ULONG nbByte;
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354 | HRESULT res;
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355 |
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356 | dprintf(("OLE32: ReadClassStm"));
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357 |
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358 | if (rclsid == NULL)
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359 | return E_INVALIDARG;
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360 |
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361 | res = IStream_Read(pStm,(void*)rclsid,sizeof(CLSID),&nbByte);
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362 |
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363 | if (FAILED(res))
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364 | return res;
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365 |
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366 | if (nbByte != sizeof(CLSID))
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367 | return S_FALSE;
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368 |
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369 | return S_OK;
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370 | }
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371 |
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372 | // ----------------------------------------------------------------------
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373 | // WriteClassStm
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374 | // ----------------------------------------------------------------------
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375 | HRESULT WIN32API WriteClassStm(IStream *pStm, REFCLSID rclsid)
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376 | {
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377 | dprintf(("OLE32: WriteClassStm"));
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378 |
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379 | if (rclsid == NULL)
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380 | return E_INVALIDARG;
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381 |
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382 | return IStream_Write(pStm, rclsid, sizeof(CLSID), NULL);
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383 | }
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384 |
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385 | // ----------------------------------------------------------------------
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386 | // ProgIDFromCLSID
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387 | // ----------------------------------------------------------------------
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388 | HRESULT WIN32API ProgIDFromCLSID(REFCLSID clsid, LPOLESTR *lplpszProgID)
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389 | {
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390 | oStringA tClsId(clsid);
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391 | oStringA szKey("CLSID\\");
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392 | LONG lDataLen = 255;
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393 | oStringA szProgID(lDataLen, 1);
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394 | HKEY hKey;
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395 | HRESULT rc;
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396 | LPOLESTR tmp;
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397 | LPMALLOC pMllc;
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398 |
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399 | dprintf(("OLE32: ProgIDFromCLSID"));
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400 | dprintf((" clsid = %s", (char *)tClsId));
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401 |
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402 | szKey += tClsId + "\\ProgID";
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403 |
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404 | // Open key...
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405 | if (RegOpenKeyA(HKEY_CLASSES_ROOT, szKey, &hKey))
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406 | return REGDB_E_CLASSNOTREG;
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407 |
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408 | // Get default string from the key...
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409 | rc = RegQueryValueA(hKey, NULL, szProgID, &lDataLen);
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410 | RegCloseKey(hKey);
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411 | if (rc != 0)
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412 | return REGDB_E_CLASSNOTREG;
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413 |
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414 | if (CoGetMalloc(0, &pMllc)) // Singleton instance, no need to release
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415 | return E_OUTOFMEMORY;
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416 |
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417 | tmp = (LPOLESTR)IMalloc_Alloc(pMllc, (strlen(szProgID) + 1) * 2);
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418 | if (tmp == NULL)
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419 | return E_OUTOFMEMORY;
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420 |
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421 | AsciiToUnicode(szProgID, tmp);
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422 | *lplpszProgID = tmp;
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423 |
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424 | return S_OK;
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425 | }
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