LCOV - app.info - modules/libjar/zipwriter/src/StreamFunctions.cpp

LCOV - code coverage report
| Current view: | directory - modules/libjar/zipwriter/src - StreamFunctions.cpp (source / functions) |  | Found | Hit | Coverage |
| Test: | app.info | Lines: | 18 | 16 | 88.9 %
| Date: | 2012-06-02 | Functions: | 2 | 2 | 100.0 %

           1                 : /* ***** BEGIN LICENSE BLOCK *****
           2                 :  * Version: MPL 1.1/GPL 2.0/LGPL 2.1
           3                 :  *
           4                 :  * The contents of this file are subject to the Mozilla Public License Version
           5                 :  * 1.1 (the "License"); you may not use this file except in compliance with
           6                 :  * the License. You may obtain a copy of the License at
           7                 :  * http://www.mozilla.org/MPL/
           8                 :  *
           9                 :  * Software distributed under the License is distributed on an "AS IS" basis,
          10                 :  * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
          11                 :  * for the specific language governing rights and limitations under the
          12                 :  * License.
          13                 :  *
          14                 :  * The Original Code is Zip Writer Component.
          15                 :  *
          16                 :  * The Initial Developer of the Original Code is
          17                 :  * Dave Townsend <dtownsend@oxymoronical.com>.
          18                 :  *
          19                 :  * Portions created by the Initial Developer are Copyright (C) 2007
          20                 :  * the Initial Developer. All Rights Reserved.
          21                 :  *
          22                 :  * Contributor(s):
          23                 :  *      Mook <mook.moz+random.code@gmail.com>
          24                 :  *
          25                 :  * Alternatively, the contents of this file may be used under the terms of
          26                 :  * either the GNU General Public License Version 2 or later (the "GPL"), or
          27                 :  * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
          28                 :  * in which case the provisions of the GPL or the LGPL are applicable instead
          29                 :  * of those above. If you wish to allow use of your version of this file only
          30                 :  * under the terms of either the GPL or the LGPL, and not to allow others to
          31                 :  * use your version of this file under the terms of the MPL, indicate your
          32                 :  * decision by deleting the provisions above and replace them with the notice
          33                 :  * and other provisions required by the GPL or the LGPL. If you do not delete
          34                 :  * the provisions above, a recipient may use your version of this file under
          35                 :  * the terms of any one of the MPL, the GPL or the LGPL.
          36                 :  *
          37                 :  * ***** END LICENSE BLOCK *****
          38                 :  */
          39                 :
          40                 : #include "nscore.h"
          41                 : #include "nsIInputStream.h"
          42                 : #include "nsIOutputStream.h"
          43                 :
          44                 : /*
          45                 :  * Fully reads the required amount of data. Keeps reading until all the
          46                 :  * data is retrieved or an error is hit.
          47                 :  */
          48          161755 : NS_HIDDEN_(nsresult) ZW_ReadData(nsIInputStream *aStream, char *aBuffer, PRUint32 aCount)
          49                 : {
          50          485265 :     while (aCount > 0) {
          51                 :         PRUint32 read;
          52          161755 :         nsresult rv = aStream->Read(aBuffer, aCount, &read);
          53          161755 :         NS_ENSURE_SUCCESS(rv, rv);
          54          161755 :         aCount -= read;
          55          161755 :         aBuffer += read;
          56                 :         // If we hit EOF before reading the data we need then throw.
          57          161755 :         if (read == 0 && aCount > 0)
          58               0 :             return NS_ERROR_FAILURE;
          59                 :     }
          60                 :
          61          161755 :     return NS_OK;
          62                 : }
          63                 :
          64                 : /*
          65                 :  * Fully writes the required amount of data. Keeps writing until all the
          66                 :  * data is written or an error is hit.
          67                 :  */
          68           59219 : NS_HIDDEN_(nsresult) ZW_WriteData(nsIOutputStream *aStream, const char *aBuffer,
          69                 :                                   PRUint32 aCount)
          70                 : {
          71          171590 :     while (aCount > 0) {
          72                 :         PRUint32 written;
          73           53152 :         nsresult rv = aStream->Write(aBuffer, aCount, &written);
          74           53152 :         NS_ENSURE_SUCCESS(rv, rv);
          75           53152 :         if (written <= 0)
          76               0 :             return NS_ERROR_FAILURE;
          77           53152 :         aCount -= written;
          78           53152 :         aBuffer += written;
          79                 :     }
          80                 :
          81           59219 :     return NS_OK;
          82                 : }

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