xapian-applications/omega/pkglibbindir.cc

   1 /* @file pkglibbindir.cc
   2  * @brief Get the directory which helper programs live in.
   3  */
   4 /* Copyright (C) 2010,2011 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 #include "pkglibbindir.h"
  27
  28 #include <cstdlib>
  29
  30 using namespace std;
  31
  32 const string &
  33 get_pkglibbindir()
  34 {
  35     static string result;
  36     if (result.empty())  {
  37         const char * p = getenv("XAPIAN_OMEGA_PKGLIBBINDIR");
  38         if (p && *p) {
  39             result = p;
  40         } else {
  41             result = PKGLIBBINDIR;
  42         }
  43     }
  44     return result;
  45 }