X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?a=blobdiff_plain;f=win32%2Fvdir.h;h=db7ec8417fef425597e9c36e18dc88b288beeb09;hb=0100440d3c83cbbd0295cecf65f71318c7bebf25;hp=37cb4a580e6293bdbe652c675e750f4ec0661586;hpb=22d4bb9ccb8701e68f9243547d7e3a3c55f70908;p=p5sagit%2Fp5-mst-13.2.git

diff --git a/win32/vdir.h b/win32/vdir.h
index 37cb4a5..db7ec84 100644
--- a/win32/vdir.h
+++ b/win32/vdir.h
@@ -34,47 +34,48 @@ public:
     inline char* GetCurrentDirectoryA(int dwBufSize, char *lpBuffer)
     {
 	char* ptr = dirTableA[nDefault];
-	while (dwBufSize--)
+	while (--dwBufSize)
 	{
 	    if ((*lpBuffer++ = *ptr++) == '\0')
 		break;
 	}
-	return lpBuffer;
+        *lpBuffer = '\0';
+	return /* unused */ NULL;
     };
     inline WCHAR* GetCurrentDirectoryW(int dwBufSize, WCHAR *lpBuffer)
     {
 	WCHAR* ptr = dirTableW[nDefault];
-	while (dwBufSize--)
+	while (--dwBufSize)
 	{
 	    if ((*lpBuffer++ = *ptr++) == '\0')
 		break;
 	}
-	return lpBuffer;
+        *lpBuffer = '\0';
+	return /* unused */ NULL;
     };
 
-
     DWORD CalculateEnvironmentSpace(void);
     LPSTR BuildEnvironmentSpace(LPSTR lpStr);
 
 protected:
     int SetDirA(char const *pPath, int index);
+    int SetDirW(WCHAR const *pPath, int index);
     void FromEnvA(char *pEnv, int index);
+    void FromEnvW(WCHAR *pEnv, int index);
+
     inline const char *GetDefaultDirA(void)
     {
 	return dirTableA[nDefault];
     };
-
     inline void SetDefaultDirA(char const *pPath, int index)
     {
 	SetDirA(pPath, index);
 	nDefault = index;
     };
-    int SetDirW(WCHAR const *pPath, int index);
     inline const WCHAR *GetDefaultDirW(void)
     {
 	return dirTableW[nDefault];
     };
-
     inline void SetDefaultDirW(WCHAR const *pPath, int index)
     {
 	SetDirW(pPath, index);
@@ -134,9 +135,6 @@ VDir::VDir(int bManageDir /* = 1 */)
 void VDir::Init(VDir* pDir, VMem *p)
 {
     int index;
-    DWORD driveBits;
-    int nSave;
-    char szBuffer[MAX_PATH*driveCount];
 
     pMem = p;
     if (pDir) {
@@ -146,23 +144,47 @@ void VDir::Init(VDir* pDir, VMem *p)
 	nDefault = pDir->GetDefault();
     }
     else {
-	nSave = bManageDirectory;
+	int bSave = bManageDirectory;
+	DWORD driveBits = GetLogicalDrives();
+        OSVERSIONINFO osver;
+
+        memset(&osver, 0, sizeof(osver));
+        osver.dwOSVersionInfoSize = sizeof(osver);
+        GetVersionEx(&osver);
+
 	bManageDirectory = 0;
-	driveBits = GetLogicalDrives();
-	if (GetLogicalDriveStrings(sizeof(szBuffer), szBuffer)) {
-	    char* pEnv = GetEnvironmentStrings();
-	    char* ptr = szBuffer;
-	    for (index = 0; index < driveCount; ++index) {
-		if (driveBits & (1<<index)) {
-		    ptr += SetDirA(ptr, index) + 1;
-		    FromEnvA(pEnv, index);
-		}
-	    }
-	    FreeEnvironmentStrings(pEnv);
-	}
-	SetDefaultA(".");
-	bManageDirectory = nSave;
-    }
+        if (osver.dwMajorVersion < 5) {
+            char szBuffer[MAX_PATH*driveCount];
+            if (GetLogicalDriveStringsA(sizeof(szBuffer), szBuffer)) {
+                char* pEnv = (char*)GetEnvironmentStringsA();
+                char* ptr = szBuffer;
+                for (index = 0; index < driveCount; ++index) {
+                    if (driveBits & (1<<index)) {
+                        ptr += SetDirA(ptr, index) + 1;
+                        FromEnvA(pEnv, index);
+                    }
+                }
+                FreeEnvironmentStringsA(pEnv);
+            }
+            SetDefaultA(".");
+        }
+        else { /* Windows 2000 or later */
+            WCHAR szBuffer[MAX_PATH*driveCount];
+            if (GetLogicalDriveStringsW(sizeof(szBuffer), szBuffer)) {
+                WCHAR* pEnv = GetEnvironmentStringsW();
+                WCHAR* ptr = szBuffer;
+                for (index = 0; index < driveCount; ++index) {
+                    if (driveBits & (1<<index)) {
+                        ptr += SetDirW(ptr, index) + 1;
+                        FromEnvW(pEnv, index);
+                    }
+                }
+                FreeEnvironmentStringsW(pEnv);
+            }
+            SetDefaultW(L".");
+        }
+	bManageDirectory = bSave;
+  }
 }
 
 int VDir::SetDirA(char const *pPath, int index)
@@ -211,6 +233,18 @@ void VDir::FromEnvA(char *pEnv, int index)
     }
 }
 
+void VDir::FromEnvW(WCHAR *pEnv, int index)
+{   /* gets the directory for index from the environment variable. */
+    while (*pEnv != '\0') {
+	if ((pEnv[0] == '=') && (DriveIndex((char)pEnv[1]) == index)) {
+	    SetDirW(&pEnv[4], index);
+	    break;
+	}
+	else
+	    pEnv += wcslen(pEnv)+1;
+    }
+}
+
 void VDir::SetDefaultA(char const *pDefault)
 {
     char szBuffer[MAX_PATH+1];
@@ -227,13 +261,13 @@ void VDir::SetDefaultA(char const *pDefault)
 int VDir::SetDirW(WCHAR const *pPath, int index)
 {
     WCHAR chr, *ptr;
-    char szBuffer[MAX_PATH+1];
     int length = 0;
     if (index < driveCount && pPath != NULL) {
 	length = wcslen(pPath);
 	pMem->Free(dirTableW[index]);
 	ptr = dirTableW[index] = (WCHAR*)pMem->Malloc((length+2)*2);
 	if (ptr != NULL) {
+            char *ansi;
 	    wcscpy(ptr, pPath);
 	    ptr += length-1;
 	    chr = *ptr++;
@@ -241,13 +275,14 @@ int VDir::SetDirW(WCHAR const *pPath, int index)
 		*ptr++ = '\\';
 		*ptr = '\0';
 	    }
-	    WideCharToMultiByte(CP_ACP, 0, dirTableW[index], -1, szBuffer, sizeof(szBuffer), NULL, NULL);
-	    length = strlen(szBuffer);
+            ansi = win32_ansipath(dirTableW[index]);
+	    length = strlen(ansi);
 	    pMem->Free(dirTableA[index]);
 	    dirTableA[index] = (char*)pMem->Malloc(length+1);
 	    if (dirTableA[index] != NULL) {
-		strcpy(dirTableA[index], szBuffer);
+		strcpy(dirTableA[index], ansi);
 	    }
+            win32_free(ansi);
 	}
     }
 
@@ -281,7 +316,7 @@ inline void DoGetFullPathNameA(char* lpBuffer, DWORD dwSize, char* Dest)
 
     /*
      * On WinNT GetFullPathName does not fail, (or at least always
-     * succeeds when the drive is valid) WinNT does set *Dest to Nullch
+     * succeeds when the drive is valid) WinNT does set *Dest to NULL
      * On Win98 GetFullPathName will set last error if it fails, but
      * does not touch *Dest
      */
@@ -393,7 +428,7 @@ char *VDir::MapPathA(const char *pInName)
 	/* has drive letter */
 	if (IsPathSep(pInName[2])) {
 	    /* absolute with drive letter */
-	    strcpy(szLocalBufferA, pInName);
+	    DoGetFullPathNameA((char*)pInName, sizeof(szLocalBufferA), szLocalBufferA);
 	}
 	else {
 	    /* relative path with drive letter */
@@ -409,15 +444,14 @@ char *VDir::MapPathA(const char *pInName)
 	/* no drive letter */
 	if (IsPathSep(pInName[1]) && IsPathSep(pInName[0])) {
 	    /* UNC name */
-	    strcpy(szLocalBufferA, pInName);
+	    DoGetFullPathNameA((char*)pInName, sizeof(szLocalBufferA), szLocalBufferA);
 	}
 	else {
 	    strcpy(szBuffer, GetDefaultDirA());
 	    if (IsPathSep(pInName[0])) {
 		/* absolute path */
-		szLocalBufferA[0] = szBuffer[0];
-		szLocalBufferA[1] = szBuffer[1];
-		strcpy(&szLocalBufferA[2], pInName);
+		strcpy(&szBuffer[2], pInName);
+		DoGetFullPathNameA(szBuffer, sizeof(szLocalBufferA), szLocalBufferA);
 	    }
 	    else {
 		/* relative path */
@@ -453,7 +487,9 @@ int VDir::SetCurrentDirectoryA(char *lpBuffer)
     DWORD r = GetFileAttributesA(pPtr);
     if ((r != 0xffffffff) && (r & FILE_ATTRIBUTE_DIRECTORY))
     {
-	SetDefaultDirA(pPtr, DriveIndex(pPtr[0]));
+	char szBuffer[(MAX_PATH+1)*2];
+	DoGetFullPathNameA(pPtr, sizeof(szBuffer), szBuffer);
+	SetDefaultDirA(szBuffer, DriveIndex(szBuffer[0]));
 	nRet = 0;
     }
 
@@ -508,7 +544,7 @@ inline void DoGetFullPathNameW(WCHAR* lpBuffer, DWORD dwSize, WCHAR* Dest)
 
     /*
      * On WinNT GetFullPathName does not fail, (or at least always
-     * succeeds when the drive is valid) WinNT does set *Dest to Nullch
+     * succeeds when the drive is valid) WinNT does set *Dest to NULL
      * On Win98 GetFullPathName will set last error if it fails, but
      * does not touch *Dest
      */
@@ -620,7 +656,7 @@ WCHAR* VDir::MapPathW(const WCHAR *pInName)
 	/* has drive letter */
 	if (IsPathSep(pInName[2])) {
 	    /* absolute with drive letter */
-	    wcscpy(szLocalBufferW, pInName);
+	    DoGetFullPathNameW((WCHAR*)pInName, (sizeof(szLocalBufferW)/sizeof(WCHAR)), szLocalBufferW);
 	}
 	else {
 	    /* relative path with drive letter */
@@ -636,15 +672,14 @@ WCHAR* VDir::MapPathW(const WCHAR *pInName)
 	/* no drive letter */
 	if (IsPathSep(pInName[1]) && IsPathSep(pInName[0])) {
 	    /* UNC name */
-	    wcscpy(szLocalBufferW, pInName);
+	    DoGetFullPathNameW((WCHAR*)pInName, (sizeof(szLocalBufferW)/sizeof(WCHAR)), szLocalBufferW);
 	}
 	else {
 	    wcscpy(szBuffer, GetDefaultDirW());
 	    if (IsPathSep(pInName[0])) {
 		/* absolute path */
-		szLocalBufferW[0] = szBuffer[0];
-		szLocalBufferW[1] = szBuffer[1];
-		wcscpy(&szLocalBufferW[2], pInName);
+		wcscpy(&szBuffer[2], pInName);
+		DoGetFullPathNameW(szBuffer, (sizeof(szLocalBufferW)/sizeof(WCHAR)), szLocalBufferW);
 	    }
 	    else {
 		/* relative path */
@@ -679,7 +714,9 @@ int VDir::SetCurrentDirectoryW(WCHAR *lpBuffer)
     DWORD r = GetFileAttributesW(pPtr);
     if ((r != 0xffffffff) && (r & FILE_ATTRIBUTE_DIRECTORY))
     {
-	SetDefaultDirW(pPtr, DriveIndex((char)pPtr[0]));
+	WCHAR wBuffer[(MAX_PATH+1)*2];
+	DoGetFullPathNameW(pPtr, (sizeof(wBuffer)/sizeof(WCHAR)), wBuffer);
+	SetDefaultDirW(wBuffer, DriveIndex((char)wBuffer[0]));
 	nRet = 0;
     }