LCOV - code coverage report
Current view: top level - api - smallvector.cc (source / functions) Hit Total Coverage
Test: Test Coverage for xapian-core 7028d852e609 Lines: 18 19 94.7 %
Date: 2019-02-17 14:59:59 Functions: 2 2 100.0 %
Branches: 6 10 60.0 %

           Branch data     Line data    Source code
       1                 :            : /** @file smallvector.cc
       2                 :            :  * @brief Append only vector of Xapian PIMPL objects
       3                 :            :  */
       4                 :            : /* Copyright (C) 2012,2013,2014,2017 Olly Betts
       5                 :            :  *
       6                 :            :  * Permission is hereby granted, free of charge, to any person obtaining a copy
       7                 :            :  * of this software and associated documentation files (the "Software"), to
       8                 :            :  * deal in the Software without restriction, including without limitation the
       9                 :            :  * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
      10                 :            :  * sell copies of the Software, and to permit persons to whom the Software is
      11                 :            :  * furnished to do so, subject to the following conditions:
      12                 :            :  *
      13                 :            :  * The above copyright notice and this permission notice shall be included in
      14                 :            :  * all copies or substantial portions of the Software.
      15                 :            :  *
      16                 :            :  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
      17                 :            :  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
      18                 :            :  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
      19                 :            :  * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
      20                 :            :  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
      21                 :            :  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
      22                 :            :  * IN THE SOFTWARE.
      23                 :            :  */
      24                 :            : 
      25                 :            : #include <config.h>
      26                 :            : 
      27                 :            : #include "api/smallvector.h"
      28                 :            : 
      29                 :            : #include <algorithm>
      30                 :            : 
      31                 :            : void
      32                 :       1778 : Xapian::SmallVector_::do_reserve(std::size_t n)
      33                 :            : {
      34                 :            :     // Logic error or size_t wrapping.
      35         [ -  + ]:       1778 :     if (rare(n <= c))
      36                 :          0 :         throw std::bad_alloc();
      37         [ +  - ]:       1778 :     void ** blk = new void* [n];
      38         [ +  + ]:       1778 :     if (is_external()) {
      39                 :        153 :         std::copy(static_cast<void **>(p[0]),
      40                 :        153 :                   static_cast<void **>(p[1]),
      41                 :        153 :                   blk);
      42                 :        306 :         p[1] = blk +
      43                 :        459 :             (static_cast<void**>(p[1]) - static_cast<void**>(p[0]));
      44         [ +  - ]:        153 :         delete [] static_cast<void**>(p[0]);
      45                 :            :     } else {
      46                 :       1625 :         std::copy(p, p + c, blk);
      47                 :       1625 :         p[1] = blk + c;
      48                 :            :     }
      49                 :       1778 :     p[0] = blk;
      50                 :       1778 :     c = n;
      51                 :       1778 : }
      52                 :            : 
      53                 :            : void
      54                 :       1625 : Xapian::SmallVector_::do_free()
      55                 :            : {
      56         [ +  - ]:       1625 :     delete [] static_cast<void**>(p[0]);
      57                 :       1625 : }

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