/usr/include/ns3.27/ns3/sgi-hashmap.h is in libns3-dev 3.27+dfsg-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 | /* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
/*
* Copyright (c) 2006 INRIA
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation;
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
* Author: Mathieu Lacage <mathieu.lacage@cutebugs.net>
*/
/* This code snippet was ripped out of the gcc
* documentation and slightly modified to work
* with gcc 4.x
*/
#ifndef SGI_HASHMAP_H
#define SGI_HASHMAP_H
/* To use gcc extensions.
*/
#ifdef __GNUC__
#if __GNUC__ < 3 // GCC 2.x
#include <hash_map.h>
namespace sgi { using ::hash_map; }; // inherit globals
#else
#if __GNUC__ < 4 // GCC 3.x
#include <ext/hash_map>
#if __GNUC_MINOR__ == 0
namespace sgi = std; // GCC 3.0
#else
namespace sgi = ::__gnu_cxx; // GCC 3.1 and later
#endif
#else
#if __GNUC__ < 5 // GCC 4.x
#if __GNUC_MINOR__ < 3 // GCC 4.0, 4.1 and 4.2
#ifdef __clang__ // Clang identifies as GCC 4.2
#undef __DEPRECATED
#endif
#include <ext/hash_map>
namespace sgi = ::__gnu_cxx;
#else
#undef __DEPRECATED
#include <backward/hash_map>
namespace sgi = ::__gnu_cxx;
#endif
#else // GCC 5.x
#undef __DEPRECATED
#include <backward/hash_map>
namespace sgi = ::__gnu_cxx;
#endif
#endif
#endif
#else // ... there are other compilers, right?
namespace sgi = std;
#endif
#endif /* SGI_HASHMAP_H */
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