// Copyright (C) 2001 Moonlight Enterprises, All Rights Reserved
// Copyright (C) 2002 Ximian, Inc. (http://www.ximian.com)
// Copyright (C) 2003 Ben Maurer
+// Copyright 2011 Xamarin Inc (http://www.xamarin.com).
//
// Author: Jim Richardson, develop@wtfo-guru.com
// Dan Lewis (dihlewis@yahoo.co.uk)
if (l >= 2 && DirectorySeparatorChar == '\\' && ret [l - 1] == VolumeSeparatorChar)
return ret + DirectorySeparatorChar;
+ else if (l == 1 && DirectorySeparatorChar == '\\' && path.Length >= 2 && path [nLast] == VolumeSeparatorChar)
+ return ret + VolumeSeparatorChar;
else {
//
// Important: do not use CanonicalizePath here, use
return fullpath;
}
+ // http://msdn.microsoft.com/en-us/library/windows/desktop/aa364963%28v=vs.85%29.aspx
+ [DllImport("Kernel32.dll", SetLastError = true, CharSet = CharSet.Unicode)]
+ private static extern int GetFullPathName(string path, int numBufferChars, StringBuilder buffer, ref IntPtr lpFilePartOrNull);
+
+ internal static string GetFullPathName(string path)
+ {
+ const int MAX_PATH = 260;
+ StringBuilder buffer = new StringBuilder(MAX_PATH);
+ IntPtr ptr = IntPtr.Zero;
+ int length = GetFullPathName(path, MAX_PATH, buffer, ref ptr);
+ if (length == 0)
+ {
+ int error = Marshal.GetLastWin32Error();
+ throw new IOException("Windows API call to GetFullPathName failed, Windows error code: " + error);
+ }
+ else if (length > MAX_PATH)
+ {
+ buffer = new StringBuilder(length);
+ GetFullPathName(path, length, buffer, ref ptr);
+ }
+ return buffer.ToString();
+ }
+
internal static string WindowsDriveAdjustment (string path)
{
// two special cases to consider when a drive is specified
if ((path [1] != ':') || !Char.IsLetter (path [0]))
return path;
- string current = Directory.GetCurrentDirectory ();
+ string current = Directory.InsecureGetCurrentDirectory ();
// first, only the drive is specified
if (path.Length == 2) {
// then if the current directory is on the same drive
if (current [0] == path [0])
path = current; // we return it
else
- path += '\\';
+ path = GetFullPathName(path); // we have to use the GetFullPathName Windows API
} else if ((path [2] != Path.DirectorySeparatorChar) && (path [2] != Path.AltDirectorySeparatorChar)) {
// second, the drive + a directory is specified *without* a separator between them (e.g. C:dir).
// If the current directory is on the specified drive...
// then specified directory is appended to the current drive directory
path = Path.Combine (current, path.Substring (2, path.Length - 2));
} else {
- // if not, then just pretend there was a separator (Path.Combine won't work in this case)
- path = String.Concat (path.Substring (0, 2), DirectorySeparatorStr, path.Substring (2, path.Length - 2));
+ // we have to use the GetFullPathName Windows API
+ path = GetFullPathName(path);
}
}
return path;
if (!IsPathRooted (path)) {
// avoid calling expensive CanonicalizePath when possible
- var start = 0;
- while ((start = path.IndexOf ('.', start)) != -1) {
- if (++start == path.Length || path [start] == DirectorySeparatorChar || path [start] == AltDirectorySeparatorChar)
- break;
+ if (!Environment.IsRunningOnWindows) {
+ var start = 0;
+ while ((start = path.IndexOf ('.', start)) != -1) {
+ if (++start == path.Length || path [start] == DirectorySeparatorChar || path [start] == AltDirectorySeparatorChar)
+ break;
+ }
+ canonicalize = start > 0;
}
- canonicalize = start > 0;
-
- path = Directory.GetCurrentDirectory () + DirectorySeparatorStr + path;
+
+ path = Directory.InsecureGetCurrentDirectory() + DirectorySeparatorStr + path;
} else if (DirectorySeparatorChar == '\\' &&
path.Length >= 2 &&
IsDsc (path [0]) &&
!IsDsc (path [1])) { // like `\abc\def'
- string current = Directory.GetCurrentDirectory ();
+ string current = Directory.InsecureGetCurrentDirectory();
if (current [1] == VolumeSeparatorChar)
path = current.Substring (0, 2) + path;
else
- path = current.Substring (0, current.IndexOf ('\\', current.IndexOf ("\\\\") + 1));
+ path = current.Substring (0, current.IndexOf ('\\', current.IndexOfOrdinalUnchecked ("\\\\") + 1));
}
}
string path;
Random rnd;
int num = 0;
+ int count = 0;
SecurityManager.EnsureElevatedPermissions (); // this is a no-op outside moonlight
f = new FileStream (path, FileMode.CreateNew, FileAccess.ReadWrite, FileShare.Read,
8192, false, (FileOptions) 1);
}
- catch (SecurityException) {
- // avoid an endless loop
- throw;
- }
- catch (UnauthorizedAccessException) {
- // This can happen if we don't have write permission to /tmp
- throw;
- }
- catch (DirectoryNotFoundException) {
- // This happens when TMPDIR does not exist
- throw;
+ catch (IOException ex){
+ if (ex.hresult != MonoIO.FileAlreadyExistsHResult || count ++ > 65536)
+ throw;
}
- catch {
+ catch (UnauthorizedAccessException ex) {
+ if (count ++ > 65536)
+ throw new IOException (ex.Message, ex);
}
} while (f == null);
else
return current + ret;
}
+ } else {
+ if (root != "" && ret.Length > 0 && ret [0] != '/')
+ ret = root + ret;
}
return ret;
}
return String.Compare (subset, slast, path, slast, subset.Length - slast) == 0;
}
-#if NET_4_0 || MOONLIGHT || MOBILE
+#if NET_4_0
public
#else
internal
var ret = new StringBuilder ();
int pathsLen = paths.Length;
int slen;
+ need_sep = false;
+
foreach (var s in paths) {
- need_sep = false;
if (s == null)
throw new ArgumentNullException ("One of the paths contains a null value", "paths");
+ if (s.Length == 0)
+ continue;
if (s.IndexOfAny (InvalidPathChars) != -1)
throw new ArgumentException ("Illegal characters in path.");
-
+
+ if (need_sep) {
+ need_sep = false;
+ ret.Append (DirectorySeparatorStr);
+ }
+
pathsLen--;
if (IsPathRooted (s))
ret.Length = 0;
if (p1end != DirectorySeparatorChar && p1end != AltDirectorySeparatorChar && p1end != VolumeSeparatorChar)
need_sep = true;
}
-
- if (need_sep)
- ret.Append (DirectorySeparatorStr);
}
return ret.ToString ();
}
-#if NET_4_0 || MOONLIGHT || MOBILE
+#if NET_4_0
public
#else
internal
return Combine (new string [] { path1, path2, path3 });
}
-#if NET_4_0 || MOONLIGHT || MOBILE
+#if NET_4_0
public
#else
internal
throw new ArgumentException (Locale.GetText ("Path is empty"));
if (path.IndexOfAny (Path.InvalidPathChars) != -1)
throw new ArgumentException (Locale.GetText ("Path contains invalid chars"));
-#if MOONLIGHT
- // On Moonlight (SL4+) there are some limitations in "Elevated Trust"
- if (SecurityManager.HasElevatedPermissions) {
+ if (Environment.IsRunningOnWindows) {
+ int idx = path.IndexOf (':');
+ if (idx >= 0 && idx != 1)
+ throw new ArgumentException (parameterName);
}
-#endif
}
}
}
projects / mono.git / blobdiff