1 | /* vdir.h |
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2 | * |
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3 | * (c) 1999 Microsoft Corporation. All rights reserved. |
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4 | * Portions (c) 1999 ActiveState Tool Corp, http://www.ActiveState.com/ |
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5 | * |
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6 | * You may distribute under the terms of either the GNU General Public |
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7 | * License or the Artistic License, as specified in the README file. |
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8 | */ |
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9 | |
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10 | #ifndef ___VDir_H___ |
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11 | #define ___VDir_H___ |
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12 | |
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13 | const int driveCount = 30; |
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14 | |
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15 | class VDir |
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16 | { |
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17 | public: |
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18 | VDir(int bManageDir = 1); |
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19 | ~VDir() {}; |
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20 | |
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21 | void Init(VDir* pDir, VMem *pMem); |
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22 | void SetDefaultA(char const *pDefault); |
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23 | void SetDefaultW(WCHAR const *pDefault); |
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24 | char* MapPathA(const char *pInName); |
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25 | WCHAR* MapPathW(const WCHAR *pInName); |
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26 | int SetCurrentDirectoryA(char *lpBuffer); |
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27 | int SetCurrentDirectoryW(WCHAR *lpBuffer); |
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28 | inline int GetDefault(void) { return nDefault; }; |
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29 | |
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30 | inline char* GetCurrentDirectoryA(int dwBufSize, char *lpBuffer) |
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31 | { |
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32 | char* ptr = dirTableA[nDefault]; |
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33 | while (dwBufSize--) |
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34 | { |
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35 | if ((*lpBuffer++ = *ptr++) == '\0') |
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36 | break; |
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37 | } |
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38 | return lpBuffer; |
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39 | }; |
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40 | inline WCHAR* GetCurrentDirectoryW(int dwBufSize, WCHAR *lpBuffer) |
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41 | { |
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42 | WCHAR* ptr = dirTableW[nDefault]; |
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43 | while (dwBufSize--) |
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44 | { |
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45 | if ((*lpBuffer++ = *ptr++) == '\0') |
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46 | break; |
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47 | } |
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48 | return lpBuffer; |
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49 | }; |
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50 | |
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51 | |
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52 | DWORD CalculateEnvironmentSpace(void); |
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53 | LPSTR BuildEnvironmentSpace(LPSTR lpStr); |
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54 | |
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55 | protected: |
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56 | int SetDirA(char const *pPath, int index); |
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57 | void FromEnvA(char *pEnv, int index); |
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58 | inline const char *GetDefaultDirA(void) |
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59 | { |
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60 | return dirTableA[nDefault]; |
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61 | }; |
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62 | |
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63 | inline void SetDefaultDirA(char const *pPath, int index) |
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64 | { |
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65 | SetDirA(pPath, index); |
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66 | nDefault = index; |
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67 | }; |
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68 | int SetDirW(WCHAR const *pPath, int index); |
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69 | inline const WCHAR *GetDefaultDirW(void) |
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70 | { |
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71 | return dirTableW[nDefault]; |
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72 | }; |
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73 | |
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74 | inline void SetDefaultDirW(WCHAR const *pPath, int index) |
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75 | { |
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76 | SetDirW(pPath, index); |
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77 | nDefault = index; |
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78 | }; |
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79 | inline const char *GetDirA(int index) |
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80 | { |
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81 | char *ptr = dirTableA[index]; |
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82 | if (!ptr) { |
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83 | /* simulate the existance of this drive */ |
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84 | ptr = szLocalBufferA; |
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85 | ptr[0] = 'A' + index; |
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86 | ptr[1] = ':'; |
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87 | ptr[2] = '\\'; |
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88 | ptr[3] = 0; |
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89 | } |
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90 | return ptr; |
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91 | }; |
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92 | inline const WCHAR *GetDirW(int index) |
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93 | { |
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94 | WCHAR *ptr = dirTableW[index]; |
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95 | if (!ptr) { |
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96 | /* simulate the existance of this drive */ |
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97 | ptr = szLocalBufferW; |
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98 | ptr[0] = 'A' + index; |
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99 | ptr[1] = ':'; |
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100 | ptr[2] = '\\'; |
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101 | ptr[3] = 0; |
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102 | } |
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103 | return ptr; |
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104 | }; |
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105 | |
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106 | inline int DriveIndex(char chr) |
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107 | { |
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108 | return (chr | 0x20)-'a'; |
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109 | }; |
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110 | |
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111 | VMem *pMem; |
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112 | int nDefault, bManageDirectory; |
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113 | char *dirTableA[driveCount]; |
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114 | char szLocalBufferA[MAX_PATH+1]; |
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115 | WCHAR *dirTableW[driveCount]; |
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116 | WCHAR szLocalBufferW[MAX_PATH+1]; |
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117 | }; |
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118 | |
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119 | |
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120 | VDir::VDir(int bManageDir /* = 1 */) |
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121 | { |
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122 | nDefault = 0; |
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123 | bManageDirectory = bManageDir; |
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124 | memset(dirTableA, 0, sizeof(dirTableA)); |
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125 | memset(dirTableW, 0, sizeof(dirTableW)); |
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126 | } |
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127 | |
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128 | void VDir::Init(VDir* pDir, VMem *p) |
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129 | { |
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130 | int index; |
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131 | DWORD driveBits; |
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132 | int nSave; |
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133 | char szBuffer[MAX_PATH*driveCount]; |
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134 | |
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135 | pMem = p; |
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136 | if (pDir) { |
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137 | for (index = 0; index < driveCount; ++index) { |
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138 | SetDirW(pDir->GetDirW(index), index); |
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139 | } |
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140 | nDefault = pDir->GetDefault(); |
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141 | } |
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142 | else { |
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143 | nSave = bManageDirectory; |
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144 | bManageDirectory = 0; |
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145 | driveBits = GetLogicalDrives(); |
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146 | if (GetLogicalDriveStrings(sizeof(szBuffer), szBuffer)) { |
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147 | char* pEnv = GetEnvironmentStrings(); |
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148 | char* ptr = szBuffer; |
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149 | for (index = 0; index < driveCount; ++index) { |
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150 | if (driveBits & (1<<index)) { |
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151 | ptr += SetDirA(ptr, index) + 1; |
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152 | FromEnvA(pEnv, index); |
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153 | } |
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154 | } |
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155 | FreeEnvironmentStrings(pEnv); |
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156 | } |
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157 | SetDefaultA("."); |
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158 | bManageDirectory = nSave; |
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159 | } |
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160 | } |
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161 | |
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162 | int VDir::SetDirA(char const *pPath, int index) |
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163 | { |
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164 | char chr, *ptr; |
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165 | int length = 0; |
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166 | WCHAR wBuffer[MAX_PATH+1]; |
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167 | if (index < driveCount && pPath != NULL) { |
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168 | length = strlen(pPath); |
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169 | pMem->Free(dirTableA[index]); |
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170 | ptr = dirTableA[index] = (char*)pMem->Malloc(length+2); |
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171 | if (ptr != NULL) { |
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172 | strcpy(ptr, pPath); |
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173 | ptr += length-1; |
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174 | chr = *ptr++; |
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175 | if (chr != '\\' && chr != '/') { |
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176 | *ptr++ = '\\'; |
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177 | *ptr = '\0'; |
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178 | } |
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179 | MultiByteToWideChar(CP_ACP, 0, dirTableA[index], -1, |
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180 | wBuffer, (sizeof(wBuffer)/sizeof(WCHAR))); |
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181 | length = wcslen(wBuffer); |
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182 | pMem->Free(dirTableW[index]); |
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183 | dirTableW[index] = (WCHAR*)pMem->Malloc((length+1)*2); |
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184 | if (dirTableW[index] != NULL) { |
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185 | wcscpy(dirTableW[index], wBuffer); |
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186 | } |
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187 | } |
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188 | } |
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189 | |
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190 | if(bManageDirectory) |
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191 | ::SetCurrentDirectoryA(pPath); |
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192 | |
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193 | return length; |
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194 | } |
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195 | |
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196 | void VDir::FromEnvA(char *pEnv, int index) |
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197 | { /* gets the directory for index from the environment variable. */ |
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198 | while (*pEnv != '\0') { |
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199 | if ((pEnv[0] == '=') && (DriveIndex(pEnv[1]) == index)) { |
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200 | SetDirA(&pEnv[4], index); |
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201 | break; |
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202 | } |
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203 | else |
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204 | pEnv += strlen(pEnv)+1; |
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205 | } |
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206 | } |
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207 | |
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208 | void VDir::SetDefaultA(char const *pDefault) |
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209 | { |
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210 | char szBuffer[MAX_PATH+1]; |
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211 | char *pPtr; |
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212 | |
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213 | if (GetFullPathNameA(pDefault, sizeof(szBuffer), szBuffer, &pPtr)) { |
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214 | if (*pDefault != '.' && pPtr != NULL) |
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215 | *pPtr = '\0'; |
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216 | |
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217 | SetDefaultDirA(szBuffer, DriveIndex(szBuffer[0])); |
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218 | } |
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219 | } |
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220 | |
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221 | int VDir::SetDirW(WCHAR const *pPath, int index) |
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222 | { |
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223 | WCHAR chr, *ptr; |
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224 | char szBuffer[MAX_PATH+1]; |
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225 | int length = 0; |
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226 | if (index < driveCount && pPath != NULL) { |
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227 | length = wcslen(pPath); |
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228 | pMem->Free(dirTableW[index]); |
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229 | ptr = dirTableW[index] = (WCHAR*)pMem->Malloc((length+2)*2); |
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230 | if (ptr != NULL) { |
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231 | wcscpy(ptr, pPath); |
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232 | ptr += length-1; |
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233 | chr = *ptr++; |
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234 | if (chr != '\\' && chr != '/') { |
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235 | *ptr++ = '\\'; |
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236 | *ptr = '\0'; |
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237 | } |
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238 | WideCharToMultiByte(CP_ACP, 0, dirTableW[index], -1, szBuffer, sizeof(szBuffer), NULL, NULL); |
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239 | length = strlen(szBuffer); |
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240 | pMem->Free(dirTableA[index]); |
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241 | dirTableA[index] = (char*)pMem->Malloc(length+1); |
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242 | if (dirTableA[index] != NULL) { |
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243 | strcpy(dirTableA[index], szBuffer); |
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244 | } |
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245 | } |
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246 | } |
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247 | |
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248 | if(bManageDirectory) |
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249 | ::SetCurrentDirectoryW(pPath); |
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250 | |
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251 | return length; |
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252 | } |
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253 | |
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254 | void VDir::SetDefaultW(WCHAR const *pDefault) |
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255 | { |
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256 | WCHAR szBuffer[MAX_PATH+1]; |
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257 | WCHAR *pPtr; |
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258 | |
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259 | if (GetFullPathNameW(pDefault, (sizeof(szBuffer)/sizeof(WCHAR)), szBuffer, &pPtr)) { |
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260 | if (*pDefault != '.' && pPtr != NULL) |
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261 | *pPtr = '\0'; |
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262 | |
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263 | SetDefaultDirW(szBuffer, DriveIndex((char)szBuffer[0])); |
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264 | } |
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265 | } |
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266 | |
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267 | inline BOOL IsPathSep(char ch) |
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268 | { |
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269 | return (ch == '\\' || ch == '/'); |
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270 | } |
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271 | |
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272 | inline void DoGetFullPathNameA(char* lpBuffer, DWORD dwSize, char* Dest) |
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273 | { |
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274 | char *pPtr; |
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275 | |
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276 | /* |
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277 | * On WinNT GetFullPathName does not fail, (or at least always |
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278 | * succeeds when the drive is valid) WinNT does set *Dest to Nullch |
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279 | * On Win98 GetFullPathName will set last error if it fails, but |
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280 | * does not touch *Dest |
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281 | */ |
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282 | *Dest = '\0'; |
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283 | GetFullPathNameA(lpBuffer, dwSize, Dest, &pPtr); |
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284 | } |
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285 | |
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286 | inline bool IsSpecialFileName(const char* pName) |
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287 | { |
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288 | /* specical file names are devices that the system can open |
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289 | * these include AUX, CON, NUL, PRN, COMx, LPTx, CLOCK$, CONIN$, CONOUT$ |
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290 | * (x is a single digit, and names are case-insensitive) |
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291 | */ |
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292 | char ch = (pName[0] & ~0x20); |
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293 | switch (ch) |
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294 | { |
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295 | case 'A': /* AUX */ |
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296 | if (((pName[1] & ~0x20) == 'U') |
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297 | && ((pName[2] & ~0x20) == 'X') |
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298 | && !pName[3]) |
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299 | return true; |
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300 | break; |
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301 | case 'C': /* CLOCK$, COMx, CON, CONIN$ CONOUT$ */ |
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302 | ch = (pName[1] & ~0x20); |
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303 | switch (ch) |
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304 | { |
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305 | case 'L': /* CLOCK$ */ |
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306 | if (((pName[2] & ~0x20) == 'O') |
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307 | && ((pName[3] & ~0x20) == 'C') |
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308 | && ((pName[4] & ~0x20) == 'K') |
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309 | && (pName[5] == '$') |
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310 | && !pName[6]) |
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311 | return true; |
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312 | break; |
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313 | case 'O': /* COMx, CON, CONIN$ CONOUT$ */ |
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314 | if ((pName[2] & ~0x20) == 'M') { |
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315 | if ((pName[3] >= '1') && (pName[3] <= '9') |
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316 | && !pName[4]) |
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317 | return true; |
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318 | } |
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319 | else if ((pName[2] & ~0x20) == 'N') { |
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320 | if (!pName[3]) |
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321 | return true; |
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322 | else if ((pName[3] & ~0x20) == 'I') { |
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323 | if (((pName[4] & ~0x20) == 'N') |
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324 | && (pName[5] == '$') |
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325 | && !pName[6]) |
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326 | return true; |
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327 | } |
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328 | else if ((pName[3] & ~0x20) == 'O') { |
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329 | if (((pName[4] & ~0x20) == 'U') |
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330 | && ((pName[5] & ~0x20) == 'T') |
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331 | && (pName[6] == '$') |
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332 | && !pName[7]) |
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333 | return true; |
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334 | } |
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335 | } |
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336 | break; |
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337 | } |
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338 | break; |
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339 | case 'L': /* LPTx */ |
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340 | if (((pName[1] & ~0x20) == 'U') |
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341 | && ((pName[2] & ~0x20) == 'X') |
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342 | && (pName[3] >= '1') && (pName[3] <= '9') |
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343 | && !pName[4]) |
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344 | return true; |
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345 | break; |
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346 | case 'N': /* NUL */ |
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347 | if (((pName[1] & ~0x20) == 'U') |
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348 | && ((pName[2] & ~0x20) == 'L') |
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349 | && !pName[3]) |
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350 | return true; |
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351 | break; |
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352 | case 'P': /* PRN */ |
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353 | if (((pName[1] & ~0x20) == 'R') |
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354 | && ((pName[2] & ~0x20) == 'N') |
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355 | && !pName[3]) |
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356 | return true; |
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357 | break; |
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358 | } |
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359 | return false; |
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360 | } |
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361 | |
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362 | char *VDir::MapPathA(const char *pInName) |
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363 | { /* |
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364 | * possiblities -- relative path or absolute path with or without drive letter |
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365 | * OR UNC name |
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366 | */ |
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367 | char szBuffer[(MAX_PATH+1)*2]; |
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368 | char szlBuf[MAX_PATH+1]; |
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369 | |
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370 | if (strlen(pInName) > MAX_PATH) { |
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371 | strncpy(szlBuf, pInName, MAX_PATH); |
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372 | if (IsPathSep(pInName[0]) && !IsPathSep(pInName[1])) { |
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373 | /* absolute path - reduce length by 2 for drive specifier */ |
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374 | szlBuf[MAX_PATH-2] = '\0'; |
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375 | } |
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376 | else |
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377 | szlBuf[MAX_PATH] = '\0'; |
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378 | pInName = szlBuf; |
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379 | } |
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380 | /* strlen(pInName) is now <= MAX_PATH */ |
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381 | |
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382 | if (pInName[1] == ':') { |
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383 | /* has drive letter */ |
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384 | if (IsPathSep(pInName[2])) { |
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385 | /* absolute with drive letter */ |
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386 | strcpy(szLocalBufferA, pInName); |
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387 | } |
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388 | else { |
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389 | /* relative path with drive letter */ |
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390 | strcpy(szBuffer, GetDirA(DriveIndex(*pInName))); |
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391 | strcat(szBuffer, &pInName[2]); |
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392 | if(strlen(szBuffer) > MAX_PATH) |
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393 | szBuffer[MAX_PATH] = '\0'; |
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394 | |
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395 | DoGetFullPathNameA(szBuffer, sizeof(szLocalBufferA), szLocalBufferA); |
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396 | } |
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397 | } |
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398 | else { |
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399 | /* no drive letter */ |
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400 | if (IsPathSep(pInName[1]) && IsPathSep(pInName[0])) { |
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401 | /* UNC name */ |
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402 | strcpy(szLocalBufferA, pInName); |
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403 | } |
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404 | else { |
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405 | strcpy(szBuffer, GetDefaultDirA()); |
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406 | if (IsPathSep(pInName[0])) { |
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407 | /* absolute path */ |
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408 | szLocalBufferA[0] = szBuffer[0]; |
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409 | szLocalBufferA[1] = szBuffer[1]; |
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410 | strcpy(&szLocalBufferA[2], pInName); |
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411 | } |
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412 | else { |
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413 | /* relative path */ |
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414 | if (IsSpecialFileName(pInName)) { |
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415 | return (char*)pInName; |
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416 | } |
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417 | else { |
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418 | strcat(szBuffer, pInName); |
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419 | if (strlen(szBuffer) > MAX_PATH) |
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420 | szBuffer[MAX_PATH] = '\0'; |
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421 | |
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422 | DoGetFullPathNameA(szBuffer, sizeof(szLocalBufferA), szLocalBufferA); |
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423 | } |
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424 | } |
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425 | } |
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426 | } |
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427 | |
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428 | return szLocalBufferA; |
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429 | } |
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430 | |
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431 | int VDir::SetCurrentDirectoryA(char *lpBuffer) |
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432 | { |
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433 | HANDLE hHandle; |
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434 | WIN32_FIND_DATA win32FD; |
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435 | char szBuffer[MAX_PATH+1], *pPtr; |
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436 | int length, nRet = -1; |
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437 | |
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438 | GetFullPathNameA(MapPathA(lpBuffer), sizeof(szBuffer), szBuffer, &pPtr); |
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439 | /* if the last char is a '\\' or a '/' then add |
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440 | * an '*' before calling FindFirstFile |
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441 | */ |
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442 | length = strlen(szBuffer); |
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443 | if(length > 0 && IsPathSep(szBuffer[length-1])) { |
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444 | szBuffer[length] = '*'; |
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445 | szBuffer[length+1] = '\0'; |
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446 | } |
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447 | |
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448 | hHandle = FindFirstFileA(szBuffer, &win32FD); |
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449 | if (hHandle != INVALID_HANDLE_VALUE) { |
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450 | FindClose(hHandle); |
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451 | |
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452 | /* if an '*' was added remove it */ |
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453 | if(szBuffer[length] == '*') |
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454 | szBuffer[length] = '\0'; |
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455 | |
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456 | SetDefaultDirA(szBuffer, DriveIndex(szBuffer[0])); |
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457 | nRet = 0; |
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458 | } |
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459 | return nRet; |
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460 | } |
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461 | |
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462 | DWORD VDir::CalculateEnvironmentSpace(void) |
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463 | { /* the current directory environment strings are stored as '=d=d:\path' */ |
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464 | int index; |
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465 | DWORD dwSize = 0; |
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466 | for (index = 0; index < driveCount; ++index) { |
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467 | if (dirTableA[index] != NULL) { |
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468 | dwSize += strlen(dirTableA[index]) + 4; /* add 1 for trailing NULL and 3 for '=d=' */ |
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469 | } |
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470 | } |
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471 | return dwSize; |
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472 | } |
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473 | |
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474 | LPSTR VDir::BuildEnvironmentSpace(LPSTR lpStr) |
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475 | { /* store the current directory environment strings as '=d=d:\path' */ |
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476 | int index; |
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477 | LPSTR lpDirStr; |
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478 | for (index = 0; index < driveCount; ++index) { |
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479 | lpDirStr = dirTableA[index]; |
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480 | if (lpDirStr != NULL) { |
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481 | lpStr[0] = '='; |
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482 | lpStr[1] = lpDirStr[0]; |
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483 | lpStr[2] = '='; |
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484 | strcpy(&lpStr[3], lpDirStr); |
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485 | lpStr += strlen(lpDirStr) + 4; /* add 1 for trailing NULL and 3 for '=d=' */ |
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486 | } |
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487 | } |
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488 | return lpStr; |
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489 | } |
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490 | |
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491 | inline BOOL IsPathSep(WCHAR ch) |
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492 | { |
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493 | return (ch == '\\' || ch == '/'); |
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494 | } |
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495 | |
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496 | inline void DoGetFullPathNameW(WCHAR* lpBuffer, DWORD dwSize, WCHAR* Dest) |
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497 | { |
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498 | WCHAR *pPtr; |
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499 | |
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500 | /* |
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501 | * On WinNT GetFullPathName does not fail, (or at least always |
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502 | * succeeds when the drive is valid) WinNT does set *Dest to Nullch |
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503 | * On Win98 GetFullPathName will set last error if it fails, but |
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504 | * does not touch *Dest |
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505 | */ |
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506 | *Dest = '\0'; |
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507 | GetFullPathNameW(lpBuffer, dwSize, Dest, &pPtr); |
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508 | } |
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509 | |
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510 | inline bool IsSpecialFileName(const WCHAR* pName) |
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511 | { |
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512 | /* specical file names are devices that the system can open |
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513 | * these include AUX, CON, NUL, PRN, COMx, LPTx, CLOCK$, CONIN$, CONOUT$ |
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514 | * (x is a single digit, and names are case-insensitive) |
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515 | */ |
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516 | WCHAR ch = (pName[0] & ~0x20); |
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517 | switch (ch) |
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518 | { |
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519 | case 'A': /* AUX */ |
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520 | if (((pName[1] & ~0x20) == 'U') |
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521 | && ((pName[2] & ~0x20) == 'X') |
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522 | && !pName[3]) |
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523 | return true; |
---|
524 | break; |
---|
525 | case 'C': /* CLOCK$, COMx, CON, CONIN$ CONOUT$ */ |
---|
526 | ch = (pName[1] & ~0x20); |
---|
527 | switch (ch) |
---|
528 | { |
---|
529 | case 'L': /* CLOCK$ */ |
---|
530 | if (((pName[2] & ~0x20) == 'O') |
---|
531 | && ((pName[3] & ~0x20) == 'C') |
---|
532 | && ((pName[4] & ~0x20) == 'K') |
---|
533 | && (pName[5] == '$') |
---|
534 | && !pName[6]) |
---|
535 | return true; |
---|
536 | break; |
---|
537 | case 'O': /* COMx, CON, CONIN$ CONOUT$ */ |
---|
538 | if ((pName[2] & ~0x20) == 'M') { |
---|
539 | if ((pName[3] >= '1') && (pName[3] <= '9') |
---|
540 | && !pName[4]) |
---|
541 | return true; |
---|
542 | } |
---|
543 | else if ((pName[2] & ~0x20) == 'N') { |
---|
544 | if (!pName[3]) |
---|
545 | return true; |
---|
546 | else if ((pName[3] & ~0x20) == 'I') { |
---|
547 | if (((pName[4] & ~0x20) == 'N') |
---|
548 | && (pName[5] == '$') |
---|
549 | && !pName[6]) |
---|
550 | return true; |
---|
551 | } |
---|
552 | else if ((pName[3] & ~0x20) == 'O') { |
---|
553 | if (((pName[4] & ~0x20) == 'U') |
---|
554 | && ((pName[5] & ~0x20) == 'T') |
---|
555 | && (pName[6] == '$') |
---|
556 | && !pName[7]) |
---|
557 | return true; |
---|
558 | } |
---|
559 | } |
---|
560 | break; |
---|
561 | } |
---|
562 | break; |
---|
563 | case 'L': /* LPTx */ |
---|
564 | if (((pName[1] & ~0x20) == 'U') |
---|
565 | && ((pName[2] & ~0x20) == 'X') |
---|
566 | && (pName[3] >= '1') && (pName[3] <= '9') |
---|
567 | && !pName[4]) |
---|
568 | return true; |
---|
569 | break; |
---|
570 | case 'N': /* NUL */ |
---|
571 | if (((pName[1] & ~0x20) == 'U') |
---|
572 | && ((pName[2] & ~0x20) == 'L') |
---|
573 | && !pName[3]) |
---|
574 | return true; |
---|
575 | break; |
---|
576 | case 'P': /* PRN */ |
---|
577 | if (((pName[1] & ~0x20) == 'R') |
---|
578 | && ((pName[2] & ~0x20) == 'N') |
---|
579 | && !pName[3]) |
---|
580 | return true; |
---|
581 | break; |
---|
582 | } |
---|
583 | return false; |
---|
584 | } |
---|
585 | |
---|
586 | WCHAR* VDir::MapPathW(const WCHAR *pInName) |
---|
587 | { /* |
---|
588 | * possiblities -- relative path or absolute path with or without drive letter |
---|
589 | * OR UNC name |
---|
590 | */ |
---|
591 | WCHAR szBuffer[(MAX_PATH+1)*2]; |
---|
592 | WCHAR szlBuf[MAX_PATH+1]; |
---|
593 | |
---|
594 | if (wcslen(pInName) > MAX_PATH) { |
---|
595 | wcsncpy(szlBuf, pInName, MAX_PATH); |
---|
596 | if (IsPathSep(pInName[0]) && !IsPathSep(pInName[1])) { |
---|
597 | /* absolute path - reduce length by 2 for drive specifier */ |
---|
598 | szlBuf[MAX_PATH-2] = '\0'; |
---|
599 | } |
---|
600 | else |
---|
601 | szlBuf[MAX_PATH] = '\0'; |
---|
602 | pInName = szlBuf; |
---|
603 | } |
---|
604 | /* strlen(pInName) is now <= MAX_PATH */ |
---|
605 | |
---|
606 | if (pInName[1] == ':') { |
---|
607 | /* has drive letter */ |
---|
608 | if (IsPathSep(pInName[2])) { |
---|
609 | /* absolute with drive letter */ |
---|
610 | wcscpy(szLocalBufferW, pInName); |
---|
611 | } |
---|
612 | else { |
---|
613 | /* relative path with drive letter */ |
---|
614 | wcscpy(szBuffer, GetDirW(DriveIndex((char)*pInName))); |
---|
615 | wcscat(szBuffer, &pInName[2]); |
---|
616 | if(wcslen(szBuffer) > MAX_PATH) |
---|
617 | szBuffer[MAX_PATH] = '\0'; |
---|
618 | |
---|
619 | DoGetFullPathNameW(szBuffer, (sizeof(szLocalBufferW)/sizeof(WCHAR)), szLocalBufferW); |
---|
620 | } |
---|
621 | } |
---|
622 | else { |
---|
623 | /* no drive letter */ |
---|
624 | if (IsPathSep(pInName[1]) && IsPathSep(pInName[0])) { |
---|
625 | /* UNC name */ |
---|
626 | wcscpy(szLocalBufferW, pInName); |
---|
627 | } |
---|
628 | else { |
---|
629 | wcscpy(szBuffer, GetDefaultDirW()); |
---|
630 | if (IsPathSep(pInName[0])) { |
---|
631 | /* absolute path */ |
---|
632 | szLocalBufferW[0] = szBuffer[0]; |
---|
633 | szLocalBufferW[1] = szBuffer[1]; |
---|
634 | wcscpy(&szLocalBufferW[2], pInName); |
---|
635 | } |
---|
636 | else { |
---|
637 | /* relative path */ |
---|
638 | if (IsSpecialFileName(pInName)) { |
---|
639 | return (WCHAR*)pInName; |
---|
640 | } |
---|
641 | else { |
---|
642 | wcscat(szBuffer, pInName); |
---|
643 | if (wcslen(szBuffer) > MAX_PATH) |
---|
644 | szBuffer[MAX_PATH] = '\0'; |
---|
645 | |
---|
646 | DoGetFullPathNameW(szBuffer, (sizeof(szLocalBufferW)/sizeof(WCHAR)), szLocalBufferW); |
---|
647 | } |
---|
648 | } |
---|
649 | } |
---|
650 | } |
---|
651 | return szLocalBufferW; |
---|
652 | } |
---|
653 | |
---|
654 | int VDir::SetCurrentDirectoryW(WCHAR *lpBuffer) |
---|
655 | { |
---|
656 | HANDLE hHandle; |
---|
657 | WIN32_FIND_DATAW win32FD; |
---|
658 | WCHAR szBuffer[MAX_PATH+1], *pPtr; |
---|
659 | int length, nRet = -1; |
---|
660 | |
---|
661 | GetFullPathNameW(MapPathW(lpBuffer), (sizeof(szBuffer)/sizeof(WCHAR)), szBuffer, &pPtr); |
---|
662 | /* if the last char is a '\\' or a '/' then add |
---|
663 | * an '*' before calling FindFirstFile |
---|
664 | */ |
---|
665 | length = wcslen(szBuffer); |
---|
666 | if(length > 0 && IsPathSep(szBuffer[length-1])) { |
---|
667 | szBuffer[length] = '*'; |
---|
668 | szBuffer[length+1] = '\0'; |
---|
669 | } |
---|
670 | |
---|
671 | hHandle = FindFirstFileW(szBuffer, &win32FD); |
---|
672 | if (hHandle != INVALID_HANDLE_VALUE) { |
---|
673 | FindClose(hHandle); |
---|
674 | |
---|
675 | /* if an '*' was added remove it */ |
---|
676 | if(szBuffer[length] == '*') |
---|
677 | szBuffer[length] = '\0'; |
---|
678 | |
---|
679 | SetDefaultDirW(szBuffer, DriveIndex((char)szBuffer[0])); |
---|
680 | nRet = 0; |
---|
681 | } |
---|
682 | return nRet; |
---|
683 | } |
---|
684 | |
---|
685 | #endif /* ___VDir_H___ */ |
---|