diff options
Diffstat (limited to 'win32/vdir.h')
| -rw-r--r-- | win32/vdir.h | 212 |
1 files changed, 196 insertions, 16 deletions
diff --git a/win32/vdir.h b/win32/vdir.h index 50822a7aa4..df9a10b130 100644 --- a/win32/vdir.h +++ b/win32/vdir.h @@ -25,14 +25,6 @@ public: WCHAR* MapPathW(const WCHAR *pInName); int SetCurrentDirectoryA(char *lpBuffer); int SetCurrentDirectoryW(WCHAR *lpBuffer); - inline const char *GetDirA(int index) - { - return dirTableA[index]; - }; - inline const WCHAR *GetDirW(int index) - { - return dirTableW[index]; - }; inline int GetDefault(void) { return nDefault; }; inline char* GetCurrentDirectoryA(int dwBufSize, char *lpBuffer) @@ -84,6 +76,32 @@ protected: SetDirW(pPath, index); nDefault = index; }; + inline const char *GetDirA(int index) + { + char *ptr = dirTableA[index]; + if (!ptr) { + /* simulate the existance of this drive */ + ptr = szLocalBufferA; + ptr[0] = 'A' + index; + ptr[1] = ':'; + ptr[2] = '\\'; + ptr[3] = 0; + } + return ptr; + }; + inline const WCHAR *GetDirW(int index) + { + WCHAR *ptr = dirTableW[index]; + if (!ptr) { + /* simulate the existance of this drive */ + ptr = szLocalBufferW; + ptr[0] = 'A' + index; + ptr[1] = ':'; + ptr[2] = '\\'; + ptr[3] = 0; + } + return ptr; + }; inline int DriveIndex(char chr) { @@ -265,6 +283,82 @@ inline void DoGetFullPathNameA(char* lpBuffer, DWORD dwSize, char* Dest) GetFullPathNameA(lpBuffer, dwSize, Dest, &pPtr); } +inline bool IsSpecialFileName(const char* pName) +{ + /* specical file names are devices that the system can open + * these include AUX, CON, NUL, PRN, COMx, LPTx, CLOCK$, CONIN$, CONOUT$ + * (x is a single digit, and names are case-insensitive) + */ + char ch = (pName[0] & ~0x20); + switch (ch) + { + case 'A': /* AUX */ + if (((pName[1] & ~0x20) == 'U') + && ((pName[2] & ~0x20) == 'X') + && !pName[3]) + return true; + break; + case 'C': /* CLOCK$, COMx, CON, CONIN$ CONOUT$ */ + ch = (pName[1] & ~0x20); + switch (ch) + { + case 'L': /* CLOCK$ */ + if (((pName[2] & ~0x20) == 'O') + && ((pName[3] & ~0x20) == 'C') + && ((pName[4] & ~0x20) == 'K') + && (pName[5] == '$') + && !pName[6]) + return true; + break; + case 'O': /* COMx, CON, CONIN$ CONOUT$ */ + if ((pName[2] & ~0x20) == 'M') { + if ((pName[3] >= '1') && (pName[3] <= '9') + && !pName[4]) + return true; + } + else if ((pName[2] & ~0x20) == 'N') { + if (!pName[3]) + return true; + else if ((pName[3] & ~0x20) == 'I') { + if (((pName[4] & ~0x20) == 'N') + && (pName[5] == '$') + && !pName[6]) + return true; + } + else if ((pName[3] & ~0x20) == 'O') { + if (((pName[4] & ~0x20) == 'U') + && ((pName[5] & ~0x20) == 'T') + && (pName[6] == '$') + && !pName[7]) + return true; + } + } + break; + } + break; + case 'L': /* LPTx */ + if (((pName[1] & ~0x20) == 'U') + && ((pName[2] & ~0x20) == 'X') + && (pName[3] >= '1') && (pName[3] <= '9') + && !pName[4]) + return true; + break; + case 'N': /* NUL */ + if (((pName[1] & ~0x20) == 'U') + && ((pName[2] & ~0x20) == 'L') + && !pName[3]) + return true; + break; + case 'P': /* PRN */ + if (((pName[1] & ~0x20) == 'R') + && ((pName[2] & ~0x20) == 'N') + && !pName[3]) + return true; + break; + } + return false; +} + char *VDir::MapPathA(const char *pInName) { /* * possiblities -- relative path or absolute path with or without drive letter @@ -317,11 +411,16 @@ char *VDir::MapPathA(const char *pInName) } else { /* relative path */ - strcat(szBuffer, pInName); - if (strlen(szBuffer) > MAX_PATH) - szBuffer[MAX_PATH] = '\0'; + if (IsSpecialFileName(pInName)) { + return (char*)pInName; + } + else { + strcat(szBuffer, pInName); + if (strlen(szBuffer) > MAX_PATH) + szBuffer[MAX_PATH] = '\0'; - DoGetFullPathNameA(szBuffer, sizeof(szLocalBufferA), szLocalBufferA); + DoGetFullPathNameA(szBuffer, sizeof(szLocalBufferA), szLocalBufferA); + } } } } @@ -408,6 +507,82 @@ inline void DoGetFullPathNameW(WCHAR* lpBuffer, DWORD dwSize, WCHAR* Dest) GetFullPathNameW(lpBuffer, dwSize, Dest, &pPtr); } +inline bool IsSpecialFileName(const WCHAR* pName) +{ + /* specical file names are devices that the system can open + * these include AUX, CON, NUL, PRN, COMx, LPTx, CLOCK$, CONIN$, CONOUT$ + * (x is a single digit, and names are case-insensitive) + */ + WCHAR ch = (pName[0] & ~0x20); + switch (ch) + { + case 'A': /* AUX */ + if (((pName[1] & ~0x20) == 'U') + && ((pName[2] & ~0x20) == 'X') + && !pName[3]) + return true; + break; + case 'C': /* CLOCK$, COMx, CON, CONIN$ CONOUT$ */ + ch = (pName[1] & ~0x20); + switch (ch) + { + case 'L': /* CLOCK$ */ + if (((pName[2] & ~0x20) == 'O') + && ((pName[3] & ~0x20) == 'C') + && ((pName[4] & ~0x20) == 'K') + && (pName[5] == '$') + && !pName[6]) + return true; + break; + case 'O': /* COMx, CON, CONIN$ CONOUT$ */ + if ((pName[2] & ~0x20) == 'M') { + if ((pName[3] >= '1') && (pName[3] <= '9') + && !pName[4]) + return true; + } + else if ((pName[2] & ~0x20) == 'N') { + if (!pName[3]) + return true; + else if ((pName[3] & ~0x20) == 'I') { + if (((pName[4] & ~0x20) == 'N') + && (pName[5] == '$') + && !pName[6]) + return true; + } + else if ((pName[3] & ~0x20) == 'O') { + if (((pName[4] & ~0x20) == 'U') + && ((pName[5] & ~0x20) == 'T') + && (pName[6] == '$') + && !pName[7]) + return true; + } + } + break; + } + break; + case 'L': /* LPTx */ + if (((pName[1] & ~0x20) == 'U') + && ((pName[2] & ~0x20) == 'X') + && (pName[3] >= '1') && (pName[3] <= '9') + && !pName[4]) + return true; + break; + case 'N': /* NUL */ + if (((pName[1] & ~0x20) == 'U') + && ((pName[2] & ~0x20) == 'L') + && !pName[3]) + return true; + break; + case 'P': /* PRN */ + if (((pName[1] & ~0x20) == 'R') + && ((pName[2] & ~0x20) == 'N') + && !pName[3]) + return true; + break; + } + return false; +} + WCHAR* VDir::MapPathW(const WCHAR *pInName) { /* * possiblities -- relative path or absolute path with or without drive letter @@ -460,11 +635,16 @@ WCHAR* VDir::MapPathW(const WCHAR *pInName) } else { /* relative path */ - wcscat(szBuffer, pInName); - if (wcslen(szBuffer) > MAX_PATH) - szBuffer[MAX_PATH] = '\0'; + if (IsSpecialFileName(pInName)) { + return (WCHAR*)pInName; + } + else { + wcscat(szBuffer, pInName); + if (wcslen(szBuffer) > MAX_PATH) + szBuffer[MAX_PATH] = '\0'; - DoGetFullPathNameW(szBuffer, (sizeof(szLocalBufferW)/sizeof(WCHAR)), szLocalBufferW); + DoGetFullPathNameW(szBuffer, (sizeof(szLocalBufferW)/sizeof(WCHAR)), szLocalBufferW); + } } } } |