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Imported Upstream version 5.20.0.180

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Former-commit-id: ff953ca879339fe1e1211f7220f563e1342e66cb
This commit is contained in:
Xamarin Public Jenkins (auto-signing)
2019-02-04 20:11:37 +00:00
parent 0e2d47d1c8
commit 0510252385
3360 changed files with 83827 additions and 39243 deletions
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104
mcs/class/System/System.IO.Compression/DeflateStream.cs
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@ -32,6 +32,7 @@
using System;
using System.IO;
using System.Runtime.CompilerServices;
using System.Runtime.InteropServices;
using System.Runtime.Remoting.Messaging;
using System.Threading;
@ -504,28 +505,7 @@ namespace System.IO.Compression
throw new IOException (error + " " + where);
}
#if MONOTOUCH || MONODROID
const string LIBNAME = "__Internal";
#else
const string LIBNAME = "MonoPosixHelper";
#endif
#if !ORBIS
[DllImport (LIBNAME, CallingConvention=CallingConvention.Cdecl)]
static extern SafeDeflateStreamHandle CreateZStream (CompressionMode compress, bool gzip, UnmanagedReadOrWrite feeder, IntPtr data);
[DllImport (LIBNAME, CallingConvention=CallingConvention.Cdecl)]
static extern int CloseZStream (IntPtr stream);
[DllImport (LIBNAME, CallingConvention=CallingConvention.Cdecl)]
static extern int Flush (SafeDeflateStreamHandle stream);
[DllImport (LIBNAME, CallingConvention=CallingConvention.Cdecl)]
static extern int ReadZStream (SafeDeflateStreamHandle stream, IntPtr buffer, int length);
[DllImport (LIBNAME, CallingConvention=CallingConvention.Cdecl)]
static extern int WriteZStream (SafeDeflateStreamHandle stream, IntPtr buffer, int length);
#else
#if ORBIS
static SafeDeflateStreamHandle CreateZStream (CompressionMode compress, bool gzip, UnmanagedReadOrWrite feeder, IntPtr data)
{
throw new PlatformNotSupportedException ();
@ -550,6 +530,82 @@ namespace System.IO.Compression
{
throw new PlatformNotSupportedException ();
}
#elif MONOTOUCH || MONODROID
[MethodImplAttribute(MethodImplOptions.InternalCall)]
static extern IntPtr CreateZStream (int compress, bool gzip, IntPtr feeder, IntPtr data);
static SafeDeflateStreamHandle CreateZStream (CompressionMode compress, bool gzip, UnmanagedReadOrWrite feeder, IntPtr data)
{
SafeDeflateStreamHandle res;
try {} finally {
res = new SafeDeflateStreamHandle (CreateZStream ((int) compress, gzip, Marshal.GetFunctionPointerForDelegate<UnmanagedReadOrWrite> (feeder), data));
}
return res;
}
[MethodImplAttribute(MethodImplOptions.InternalCall)]
static extern int CloseZStream (IntPtr stream);
[MethodImplAttribute(MethodImplOptions.InternalCall)]
static extern int Flush (IntPtr stream);
static int Flush (SafeDeflateStreamHandle stream)
{
bool release = false;
try {
stream.DangerousAddRef (ref release);
return Flush (stream.DangerousGetHandle ());
} finally {
if (release)
stream.DangerousRelease ();
}
}
[MethodImplAttribute(MethodImplOptions.InternalCall)]
static extern int ReadZStream (IntPtr stream, IntPtr buffer, int length);
static int ReadZStream (SafeDeflateStreamHandle stream, IntPtr buffer, int length)
{
bool release = false;
try {
stream.DangerousAddRef (ref release);
return ReadZStream (stream.DangerousGetHandle (), buffer, length);
} finally {
if (release)
stream.DangerousRelease ();
}
}
[MethodImplAttribute(MethodImplOptions.InternalCall)]
static extern int WriteZStream (IntPtr stream, IntPtr buffer, int length);
static int WriteZStream (SafeDeflateStreamHandle stream, IntPtr buffer, int length)
{
bool release = false;
try {
stream.DangerousAddRef (ref release);
return WriteZStream (stream.DangerousGetHandle (), buffer, length);
} finally {
if (release)
stream.DangerousRelease ();
}
}
#else
[DllImport ("MonoPosixHelper", CallingConvention=CallingConvention.Cdecl)]
static extern SafeDeflateStreamHandle CreateZStream (CompressionMode compress, bool gzip, UnmanagedReadOrWrite feeder, IntPtr data);
[DllImport ("MonoPosixHelper", CallingConvention=CallingConvention.Cdecl)]
static extern int CloseZStream (IntPtr stream);
[DllImport ("MonoPosixHelper", CallingConvention=CallingConvention.Cdecl)]
static extern int Flush (SafeDeflateStreamHandle stream);
[DllImport ("MonoPosixHelper", CallingConvention=CallingConvention.Cdecl)]
static extern int ReadZStream (SafeDeflateStreamHandle stream, IntPtr buffer, int length);
[DllImport ("MonoPosixHelper", CallingConvention=CallingConvention.Cdecl)]
static extern int WriteZStream (SafeDeflateStreamHandle stream, IntPtr buffer, int length);
#endif
sealed class SafeDeflateStreamHandle : SafeHandle
@ -563,6 +619,10 @@ namespace System.IO.Compression
{
}
internal SafeDeflateStreamHandle(IntPtr handle) : base (handle, true)
{
}
override protected bool ReleaseHandle()
{
DeflateStreamNative.CloseZStream(handle);