LCOV - code coverage report
Current view: directory - modules/libjar/zipwriter/src - StreamFunctions.h (source / functions) Found Hit Coverage
Test: app.info Lines: 26 26 100.0 %
Date: 2012-06-02 Functions: 7 7 100.0 %

       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                 : #ifndef _nsStreamFunctions_h_
      41                 : #define _nsStreamFunctions_h_
      42                 : 
      43                 : #include "nscore.h"
      44                 : #include "nsIInputStream.h"
      45                 : #include "nsIOutputStream.h"
      46                 : 
      47                 : /*
      48                 :  * ZIP file data is stored little-endian. These are helper functions to read and
      49                 :  * write little endian data to/from a char buffer.
      50                 :  * The off argument, where present, is incremented according to the number of
      51                 :  * bytes consumed from the buffer.
      52                 :  */
      53          680088 : inline NS_HIDDEN_(void) WRITE8(PRUint8* buf, PRUint32* off, PRUint8 val)
      54                 : {
      55          680088 :   buf[(*off)++] = val;
      56          680088 : }
      57                 : 
      58          337176 : inline NS_HIDDEN_(void) WRITE16(PRUint8* buf, PRUint32* off, PRUint16 val)
      59                 : {
      60          337176 :   WRITE8(buf, off, val & 0xff);
      61          337176 :   WRITE8(buf, off, (val >> 8) & 0xff);
      62          337176 : }
      63                 : 
      64           88829 : inline NS_HIDDEN_(void) WRITE32(PRUint8* buf, PRUint32* off, PRUint32 val)
      65                 : {
      66           88829 :   WRITE16(buf, off, val & 0xffff);
      67           88829 :   WRITE16(buf, off, (val >> 16) & 0xffff);
      68           88829 : }
      69                 : 
      70             533 : inline NS_HIDDEN_(PRUint8) READ8(const PRUint8* buf, PRUint32* off)
      71                 : {
      72             533 :   return buf[(*off)++];
      73                 : }
      74                 : 
      75             263 : inline NS_HIDDEN_(PRUint16) READ16(const PRUint8* buf, PRUint32* off)
      76                 : {
      77             263 :   PRUint16 val = READ8(buf, off);
      78             263 :   val |= READ8(buf, off) << 8;
      79             263 :   return val;
      80                 : }
      81                 : 
      82              68 : inline NS_HIDDEN_(PRUint32) READ32(const PRUint8* buf, PRUint32* off)
      83                 : {
      84              68 :   PRUint32 val = READ16(buf, off);
      85              68 :   val |= READ16(buf, off) << 16;
      86              68 :   return val;
      87                 : }
      88                 : 
      89            3414 : inline NS_HIDDEN_(PRUint32) PEEK32(const PRUint8* buf)
      90                 : {
      91            3414 :   return (PRUint32)( (buf [0]      ) |
      92            3414 :                      (buf [1] <<  8) |
      93            3414 :                      (buf [2] << 16) |
      94           10242 :                      (buf [3] << 24) );
      95                 : }
      96                 : 
      97                 : NS_HIDDEN_(nsresult) ZW_ReadData(nsIInputStream *aStream, char *aBuffer, PRUint32 aCount);
      98                 : 
      99                 : NS_HIDDEN_(nsresult) ZW_WriteData(nsIOutputStream *aStream, const char *aBuffer,
     100                 :                       PRUint32 aCount);
     101                 : 
     102                 : #endif

Generated by: LCOV version 1.7