mirror of
https://github.com/rn10950/RetroZilla.git
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143 lines
3.6 KiB
C++
143 lines
3.6 KiB
C++
/* ***** BEGIN LICENSE BLOCK *****
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* Version: MPL 1.1/GPL 2.0/LGPL 2.1
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*
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* The contents of this file are subject to the Mozilla Public License Version
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* 1.1 (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* License.
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*
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* The Original Code is Mozilla.
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*
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* The Initial Developer of the Original Code is IBM Corporation.
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* Portions created by IBM Corporation are Copyright (C) 2004
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* IBM Corporation. All Rights Reserved.
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*
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* Contributor(s):
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* Darin Fisher <darin@meer.net>
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*
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* Alternatively, the contents of this file may be used under the terms of
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* either the GNU General Public License Version 2 or later (the "GPL"), or
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* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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* in which case the provisions of the GPL or the LGPL are applicable instead
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* of those above. If you wish to allow use of your version of this file only
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* under the terms of either the GPL or the LGPL, and not to allow others to
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* use your version of this file under the terms of the MPL, indicate your
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* decision by deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL or the LGPL. If you do not delete
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* the provisions above, a recipient may use your version of this file under
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* the terms of any one of the MPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK ***** */
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#include <stdlib.h>
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#include "nsIStorageStream.h"
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#include "nsIInputStream.h"
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#include "nsIOutputStream.h"
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#include "nsCOMPtr.h"
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int main()
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{
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char kData[4096];
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memset(kData, 0, sizeof(kData));
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nsresult rv;
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nsCOMPtr<nsIStorageStream> stor;
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rv = NS_NewStorageStream(4096, PR_UINT32_MAX, getter_AddRefs(stor));
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if (NS_FAILED(rv))
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return -1;
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nsCOMPtr<nsIOutputStream> out;
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rv = stor->GetOutputStream(0, getter_AddRefs(out));
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if (NS_FAILED(rv))
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return -1;
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PRUint32 n;
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rv = out->Write(kData, sizeof(kData), &n);
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if (NS_FAILED(rv))
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return -1;
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rv = out->Write(kData, sizeof(kData), &n);
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if (NS_FAILED(rv))
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return -1;
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rv = out->Close();
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if (NS_FAILED(rv))
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return -1;
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out = nsnull;
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nsCOMPtr<nsIInputStream> in;
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rv = stor->NewInputStream(0, getter_AddRefs(in));
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if (NS_FAILED(rv))
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return -1;
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char buf[4096];
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// consume contents of input stream
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do {
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rv = in->Read(buf, sizeof(buf), &n);
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if (NS_FAILED(rv))
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return -1;
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} while (n != 0);
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rv = in->Close();
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if (NS_FAILED(rv))
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return -1;
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in = nsnull;
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// now, write 3 more full 4k segments + 11 bytes, starting at 8192
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// total written equals 20491 bytes
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rv = stor->GetOutputStream(8192, getter_AddRefs(out));
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if (NS_FAILED(rv))
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return -1;
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rv = out->Write(kData, sizeof(kData), &n);
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if (NS_FAILED(rv))
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return -1;
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rv = out->Write(kData, sizeof(kData), &n);
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if (NS_FAILED(rv))
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return -1;
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rv = out->Write(kData, sizeof(kData), &n);
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if (NS_FAILED(rv))
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return -1;
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rv = out->Write(kData, 11, &n);
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if (NS_FAILED(rv))
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return -1;
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rv = out->Close();
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if (NS_FAILED(rv))
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return -1;
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out = nsnull;
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// now, read all
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rv = stor->NewInputStream(0, getter_AddRefs(in));
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if (NS_FAILED(rv))
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return -1;
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// consume contents of input stream
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do {
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rv = in->Read(buf, sizeof(buf), &n);
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if (NS_FAILED(rv))
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return -1;
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} while (n != 0);
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rv = in->Close();
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if (NS_FAILED(rv))
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return -1;
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in = nsnull;
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return 0;
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}
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