1 | /* $Id: clsid.cpp,v 1.13 2000-04-25 22:57:00 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 | hr = UuidCreate(pguid);
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40 |
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41 | return hr;
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42 | }
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43 |
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44 | // ----------------------------------------------------------------------
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45 | // CLSIDFromProgID16()
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46 | // ----------------------------------------------------------------------
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47 | HRESULT WIN32API CLSIDFromProgID16(
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48 | LPCOLESTR16 lpszProgID, // [in] - UNICODE program id as found in registry
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49 | LPCLSID pclsid) // [out] - CLSID
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50 | {
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51 | // dprintf(("OLE32: CLSIDFromProgID16"));
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52 |
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53 | LONG lDataLen = 80;
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54 | oStringA szKey(lpszProgID);
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55 | oStringA szCLSID(lDataLen, 1);
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56 | HKEY hKey;
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57 | HRESULT rc;
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58 |
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59 | // Create the registry lookup string...
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60 | szKey += "\\CLSID";
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61 |
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62 | // Try to open the key in the registry...
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63 | rc = RegOpenKeyA(HKEY_CLASSES_ROOT, szKey, &hKey);
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64 | if (rc != 0)
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65 | return OLE_ERROR_GENERIC;
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66 |
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67 | // Now get the data from the _default_ entry on this key...
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68 | rc = RegQueryValueA(hKey, NULL, szCLSID, &lDataLen);
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69 | RegCloseKey(hKey);
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70 | if (rc != 0)
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71 | return OLE_ERROR_GENERIC;
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72 |
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73 | // Now convert from a string to a UUID
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74 | return CLSIDFromString16(szCLSID, pclsid);
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75 | }
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76 |
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77 | // ----------------------------------------------------------------------
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78 | // CLSIDFromProgID()
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79 | // ----------------------------------------------------------------------
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80 | HRESULT WIN32API CLSIDFromProgID(
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81 | LPCOLESTR lpszProgID, // [in] - UNICODE program id as found in registry
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82 | LPCLSID pclsid) // [out] - CLSID
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83 | {
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84 | // dprintf(("OLE32: CLSIDFromProgID"));
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85 |
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86 | LONG lDataLen = 80;
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87 | oStringW szKey(lpszProgID);
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88 | oStringW szCLSID(lDataLen, 1);
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89 | HKEY hKey;
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90 | HRESULT rc;
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91 |
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92 | // Create the registry lookup string...
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93 | szKey += L"\\CLSID";
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94 |
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95 | // Try to open the key in the registry...
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96 | rc = RegOpenKeyW(HKEY_CLASSES_ROOT, szKey, &hKey);
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97 | if (rc != 0)
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98 | return OLE_ERROR_GENERIC;
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99 |
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100 | // Now get the data from the _default_ entry on this key...
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101 | rc = RegQueryValueW(hKey, NULL, szCLSID, &lDataLen);
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102 | RegCloseKey(hKey);
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103 | if (rc != 0)
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104 | return OLE_ERROR_GENERIC;
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105 |
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106 | // Now convert from a string to a UUID
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107 | return CLSIDFromString(szCLSID, pclsid);
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108 | }
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109 |
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110 | // ----------------------------------------------------------------------
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111 | // IIDFromString
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112 | // ----------------------------------------------------------------------
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113 | HRESULT WIN32API IIDFromString(LPSTR lpsz, LPIID lpiid)
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114 | {
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115 | // dprintf(("OLE32: IIDFromString"));
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116 | return CLSIDFromString((LPCOLESTR)lpsz, (LPCLSID)lpiid);
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117 | }
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118 |
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119 |
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120 | // ----------------------------------------------------------------------
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121 | // CLSIDFromStringA()
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122 | // @@@PH: this is not a WINE API, but a replacement for CLSIDFromString16
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123 | // which used to accept ASCII strings instead of OLE strings
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124 | // ----------------------------------------------------------------------
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125 |
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126 | HRESULT WIN32API CLSIDFromStringA(
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127 | LPCSTR lpsz, // [in] - ASCII string CLSID
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128 | LPCLSID pclsid) // [out] - Binary CLSID
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129 | {
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130 | return CLSIDFromString16(lpsz, pclsid);
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131 | }
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132 |
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133 |
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134 | // ----------------------------------------------------------------------
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135 | // CLSIDFromString16()
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136 | // ----------------------------------------------------------------------
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137 | HRESULT WIN32API CLSIDFromString16(
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138 | LPCOLESTR16 lpsz, // [in] - Unicode string CLSID
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139 | LPCLSID pclsid) // [out] - Binary CLSID
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140 | {
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141 | // dprintf(("OLE32: CLSIDFromString16"));
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142 |
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143 | // Convert to binary CLSID
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144 | char *s = (char *) lpsz;
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145 | char *p;
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146 | int i;
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147 | char table[256];
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148 |
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149 | /* quick lookup table */
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150 | memset(table, 0, 256);
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151 |
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152 | for (i = 0; i < 10; i++)
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153 | {
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154 | table['0' + i] = i;
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155 | }
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156 | for (i = 0; i < 6; i++)
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157 | {
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158 | table['A' + i] = i+10;
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159 | table['a' + i] = i+10;
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160 | }
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161 |
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162 | /* in form {XXXXXXXX-XXXX-XXXX-XXXX-XXXXXXXXXXXX} */
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163 |
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164 | if (lstrlenA(lpsz) != 38)
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165 | return OLE_ERROR_OBJECT;
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166 |
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167 | p = (char *) pclsid;
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168 |
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169 | s++; /* skip leading brace */
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170 | for (i = 0; i < 4; i++)
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171 | {
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172 | p[3 - i] = table[*s]<<4 | table[*(s+1)];
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173 | s += 2;
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174 | }
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175 | p += 4;
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176 | s++; /* skip - */
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177 |
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178 | for (i = 0; i < 2; i++)
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179 | {
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180 | p[1-i] = table[*s]<<4 | table[*(s+1)];
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181 | s += 2;
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182 | }
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183 | p += 2;
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184 | s++; /* skip - */
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185 |
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186 | for (i = 0; i < 2; i++)
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187 | {
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188 | p[1-i] = table[*s]<<4 | table[*(s+1)];
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189 | s += 2;
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190 | }
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191 | p += 2;
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192 | s++; /* skip - */
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193 |
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194 | /* these are just sequential bytes */
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195 | for (i = 0; i < 2; i++)
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196 | {
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197 | *p++ = table[*s]<<4 | table[*(s+1)];
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198 | s += 2;
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199 | }
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200 | s++; /* skip - */
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201 |
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202 | for (i = 0; i < 6; i++)
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203 | {
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204 | *p++ = table[*s]<<4 | table[*(s+1)];
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205 | s += 2;
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206 | }
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207 |
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208 | return S_OK;
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209 | }
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210 |
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211 | // ----------------------------------------------------------------------
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212 | // CLSIDFromString()
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213 | // ----------------------------------------------------------------------
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214 | HRESULT WIN32API CLSIDFromString(
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215 | LPCOLESTR lpsz, // [in] - Unicode string CLSID
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216 | LPCLSID pclsid) // [out] - Binary CLSID
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217 | {
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218 | // dprintf(("OLE32: CLSIDFromString"));
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219 |
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220 | oStringA tClsId(lpsz);
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221 |
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222 | return CLSIDFromString16(tClsId, pclsid);
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223 | }
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224 |
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225 | // ----------------------------------------------------------------------
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226 | // WINE_StringFromCLSID
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227 | // ----------------------------------------------------------------------
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228 | HRESULT WIN32API WINE_StringFromCLSID(const CLSID *rclsid, LPSTR idstr)
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229 | {
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230 | // dprintf(("OLE32: WINE_StringFromCLSID"));
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231 |
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232 | if (rclsid == NULL)
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233 | {
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234 | dprintf((" clsid: (NULL)"));
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235 | *idstr = 0;
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236 | return E_FAIL;
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237 | }
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238 |
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239 | // Setup new string...
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240 | sprintf(idstr, "{%08X-%04X-%04X-%02X%02X-%02X%02X%02X%02X%02X%02X}",
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241 | rclsid->Data1,
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242 | rclsid->Data2,
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243 | rclsid->Data3,
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244 | rclsid->Data4[0],
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245 | rclsid->Data4[1],
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246 | rclsid->Data4[2],
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247 | rclsid->Data4[3],
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248 | rclsid->Data4[4],
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249 | rclsid->Data4[5],
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250 | rclsid->Data4[6],
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251 | rclsid->Data4[7]);
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252 |
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253 | // dprintf((" clsid: %s", idstr));
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254 |
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255 | return OLE_OK;
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256 | }
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257 |
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258 | // ----------------------------------------------------------------------
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259 | // StringFromCLSID
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260 | // Memory allocated here on behalf of application should be freed using CoTaskMemFree()
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261 | // ----------------------------------------------------------------------
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262 | HRESULT WIN32API StringFromCLSID(REFCLSID rclsid, LPOLESTR *ppsz)
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263 | {
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264 | char tmp[50];
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265 | LPWSTR szclsid;
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266 | size_t strLen;
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267 |
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268 | // dprintf(("OLE32: StringFromCLSID"));
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269 |
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270 | // Setup new string...
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271 | WINE_StringFromCLSID(rclsid, tmp);
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272 |
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273 | strLen = strlen(tmp);
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274 |
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275 | // Grab buffer for string...
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276 | szclsid = (LPWSTR)CoTaskMemAlloc((strLen + 1) * sizeof(WCHAR));
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277 |
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278 | AsciiToUnicode(tmp, szclsid);
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279 |
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280 | *ppsz = (LPOLESTR)szclsid;
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281 |
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282 | return S_OK;
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283 | }
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284 |
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285 | // ----------------------------------------------------------------------
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286 | // StringFromIID
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287 | // Memory allocated here on behalf of application should be freed using CoTaskMemFree()
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288 | // ----------------------------------------------------------------------
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289 | HRESULT WIN32API StringFromIID(REFIID riid, LPOLESTR *ppsz)
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290 | {
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291 | char tmp[50];
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292 | LPWSTR sziid;
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293 | size_t strLen;
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294 |
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295 | // dprintf(("OLE32: StringFromIID"));
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296 |
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297 | // Setup new string...
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298 | WINE_StringFromCLSID(riid, tmp);
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299 |
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300 | strLen = strlen(tmp);
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301 |
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302 | // Grab buffer for string...
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303 | sziid = (LPWSTR)CoTaskMemAlloc((strLen + 1) * sizeof(WCHAR));
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304 |
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305 | AsciiToUnicode(tmp, sziid);
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306 |
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307 | *ppsz = (LPOLESTR)sziid;
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308 |
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309 | return S_OK;
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310 | }
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311 |
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312 | // ----------------------------------------------------------------------
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313 | // StringFromGUID2
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314 | // ----------------------------------------------------------------------
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315 | int WIN32API StringFromGUID2(REFGUID rguid, LPOLESTR lpsz, int cbMax)
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316 | {
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317 | // NB cbMax is a CHARACTER count not a BYTE count... :-)
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318 | char tmp[50];
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319 | size_t strLen;
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320 |
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321 | // Setup new string...
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322 | WINE_StringFromCLSID(rguid, tmp);
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323 |
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324 | strLen = (strlen(tmp) + 1);
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325 | if (strLen > cbMax)
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326 | strLen = cbMax;
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327 |
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328 | AsciiToUnicodeN(tmp, lpsz, strLen);
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329 |
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330 | return strLen; // Num CHARACTERS including 0 terminator
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331 | }
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332 |
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333 | // ----------------------------------------------------------------------
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334 | // CONCRETE_IsEqualGUID
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335 | // ----------------------------------------------------------------------
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336 | int WIN32API CONCRETE_IsEqualGUID(REFGUID rguid1, REFGUID rguid2)
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337 | {
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338 | return IsEqualGUID(rguid1, rguid2);
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339 | }
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340 |
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341 | // ----------------------------------------------------------------------
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342 | // ReadClassStm
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343 | // ----------------------------------------------------------------------
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344 | HRESULT WIN32API ReadClassStm(IStream *pStm, CLSID *rclsid)
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345 | {
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346 | ULONG nbByte;
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347 | HRESULT res;
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348 |
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349 | dprintf(("OLE32: ReadClassStm"));
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350 |
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351 | if (rclsid == NULL)
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352 | return E_INVALIDARG;
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353 |
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354 | res = IStream_Read(pStm,(void*)rclsid,sizeof(CLSID),&nbByte);
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355 |
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356 | if (FAILED(res))
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357 | return res;
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358 |
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359 | if (nbByte != sizeof(CLSID))
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360 | return S_FALSE;
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361 |
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362 | return S_OK;
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363 | }
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364 |
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365 | // ----------------------------------------------------------------------
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366 | // WriteClassStm
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367 | // ----------------------------------------------------------------------
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368 | HRESULT WIN32API WriteClassStm(IStream *pStm, REFCLSID rclsid)
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369 | {
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370 | dprintf(("OLE32: WriteClassStm"));
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371 |
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372 | if (rclsid == NULL)
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373 | return E_INVALIDARG;
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374 |
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375 | return IStream_Write(pStm, rclsid, sizeof(CLSID), NULL);
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376 | }
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377 |
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378 | // ----------------------------------------------------------------------
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379 | // ProgIDFromCLSID
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380 | // ----------------------------------------------------------------------
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381 | HRESULT WIN32API ProgIDFromCLSID(REFCLSID clsid, LPOLESTR *lplpszProgID)
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382 | {
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383 | oStringA tClsId(clsid);
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384 | oStringA szKey("CLSID\\");
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385 | LONG lDataLen = 255;
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386 | oStringA szProgID(lDataLen, 1);
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387 | HKEY hKey;
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388 | HRESULT rc;
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389 | LPOLESTR tmp;
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390 | LPMALLOC pMllc;
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391 |
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392 | // dprintf(("OLE32: ProgIDFromCLSID"));
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393 | // dprintf((" clsid = %s", (char *)tClsId));
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394 |
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395 | szKey += tClsId + "\\ProgID";
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396 |
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397 | // Open key...
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398 | if (RegOpenKeyA(HKEY_CLASSES_ROOT, szKey, &hKey))
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399 | return REGDB_E_CLASSNOTREG;
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400 |
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401 | // Get default string from the key...
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402 | rc = RegQueryValueA(hKey, NULL, szProgID, &lDataLen);
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403 | RegCloseKey(hKey);
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404 | if (rc != 0)
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405 | return REGDB_E_CLASSNOTREG;
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406 |
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407 | if (CoGetMalloc(0, &pMllc)) // Singleton instance, no need to release
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408 | return E_OUTOFMEMORY;
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409 |
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410 | tmp = (LPOLESTR)IMalloc_Alloc(pMllc, (strlen(szProgID) + 1) * 2);
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411 | if (tmp == NULL)
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412 | return E_OUTOFMEMORY;
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413 |
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414 | AsciiToUnicode(szProgID, tmp);
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415 | *lplpszProgID = tmp;
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416 |
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417 | return S_OK;
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418 | }
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