LCOV - code coverage report
Current view: top level - usr/include/bits - stdlib-bsearch.h (source / functions) Hit Total Coverage
Test: lcov.out Lines: 9 9 100.0 %
Date: 2017-01-05 09:15:16 Functions: 0 0 -
Legend: Lines: hit not hit

          Line data    Source code
       1             : /* Perform binary search - inline version.
       2             :    Copyright (C) 1991-2016 Free Software Foundation, Inc.
       3             :    This file is part of the GNU C Library.
       4             : 
       5             :    The GNU C Library is free software; you can redistribute it and/or
       6             :    modify it under the terms of the GNU Lesser General Public
       7             :    License as published by the Free Software Foundation; either
       8             :    version 2.1 of the License, or (at your option) any later version.
       9             : 
      10             :    The GNU C Library is distributed in the hope that it will be useful,
      11             :    but WITHOUT ANY WARRANTY; without even the implied warranty of
      12             :    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
      13             :    Lesser General Public License for more details.
      14             : 
      15             :    You should have received a copy of the GNU Lesser General Public
      16             :    License along with the GNU C Library; if not, see
      17             :    <http://www.gnu.org/licenses/>.  */
      18             : 
      19             : __extern_inline void *
      20             : bsearch (const void *__key, const void *__base, size_t __nmemb, size_t __size,
      21             :          __compar_fn_t __compar)
      22             : {
      23             :   size_t __l, __u, __idx;
      24             :   const void *__p;
      25             :   int __comparison;
      26             : 
      27          61 :   __l = 0;
      28          61 :   __u = __nmemb;
      29         468 :   while (__l < __u)
      30             :     {
      31         468 :       __idx = (__l + __u) / 2;
      32         468 :       __p = (void *) (((const char *) __base) + (__idx * __size));
      33         468 :       __comparison = (*__compar) (__key, __p);
      34         468 :       if (__comparison < 0)
      35             :         __u = __idx;
      36         247 :       else if (__comparison > 0)
      37         186 :         __l = __idx + 1;
      38             :       else
      39             :         return (void *) __p;
      40             :     }
      41             : 
      42             :   return NULL;
      43             : }

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