LCOV - code coverage report
Current view: directory - xpcom/string/src - nsPrintfCString.cpp (source / functions) Found Hit Coverage
Test: app.info Lines: 19 18 94.7 %
Date: 2012-06-02 Functions: 2 2 100.0 %

       1                 : /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
       2                 : /* vim:set ts=2 sw=2 sts=2 et cindent: */
       3                 : /* ***** BEGIN LICENSE BLOCK *****
       4                 :  * Version: MPL 1.1/GPL 2.0/LGPL 2.1
       5                 :  *
       6                 :  * The contents of this file are subject to the Mozilla Public License Version
       7                 :  * 1.1 (the "License"); you may not use this file except in compliance with
       8                 :  * the License. You may obtain a copy of the License at
       9                 :  * http://www.mozilla.org/MPL/
      10                 :  *
      11                 :  * Software distributed under the License is distributed on an "AS IS" basis,
      12                 :  * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
      13                 :  * for the specific language governing rights and limitations under the
      14                 :  * License.
      15                 :  *
      16                 :  * The Original Code is mozilla.org code.
      17                 :  *
      18                 :  * The Initial Developer of the Original Code is
      19                 :  * Netscape Communications Corporation.
      20                 :  * Portions created by the Initial Developer are Copyright (C) 1994-2000
      21                 :  * the Initial Developer. All Rights Reserved.
      22                 :  *
      23                 :  * Contributor(s):
      24                 :  *
      25                 :  * Alternatively, the contents of this file may be used under the terms of
      26                 :  * either of the GNU General Public License Version 2 or later (the "GPL"),
      27                 :  * or 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                 : #include "nsPrintfCString.h"
      40                 : #include <stdarg.h>
      41                 : #include "prprf.h"
      42                 : 
      43                 : 
      44                 : // though these classes define a fixed buffer, they do not set the F_FIXED
      45                 : // flag.  this is because they are not intended to be modified after they have
      46                 : // been constructed.  we could change this but it would require adding a new
      47                 : // class to the hierarchy, one that both this class and nsCAutoString would
      48                 : // inherit from.  for now, we populate the fixed buffer, and then let the
      49                 : // nsCString code treat the buffer as if it were a dependent buffer.
      50                 : 
      51           14745 : nsPrintfCString::nsPrintfCString( const char_type* format, ... )
      52           14745 :   : string_type(mLocalBuffer, 0, F_TERMINATED)
      53                 :   {
      54                 :     va_list ap;
      55                 : 
      56           14745 :     size_type logical_capacity = kLocalBufferSize;
      57           14745 :     size_type physical_capacity = logical_capacity + 1;
      58                 : 
      59           14745 :     va_start(ap, format);
      60           14745 :     mLength = PR_vsnprintf(mData, physical_capacity, format, ap);
      61           14745 :     va_end(ap);
      62           14745 :   }
      63                 : 
      64            4119 : nsPrintfCString::nsPrintfCString( size_type n, const char_type* format, ... )
      65            4119 :   : string_type(mLocalBuffer, 0, F_TERMINATED)
      66                 :   {
      67                 :     va_list ap;
      68                 : 
      69                 :       // make sure there's at least |n| space
      70            4119 :     size_type logical_capacity = kLocalBufferSize;
      71            4119 :     if ( n > logical_capacity )
      72                 :       {
      73            4103 :         if (!SetCapacity(n))
      74               0 :           return; // out of memory !!
      75            4103 :         logical_capacity = n;
      76                 :       }
      77            4119 :     size_type physical_capacity = logical_capacity + 1;
      78                 : 
      79            4119 :     va_start(ap, format);
      80            4119 :     mLength = PR_vsnprintf(mData, physical_capacity, format, ap);
      81            4119 :     va_end(ap);
      82                 :   }

Generated by: LCOV version 1.7