pgRouting
pgRouting extends the PostGIS / PostgreSQL geospatial database to provide geospatial routing functionality.
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pgr_alloc.hpp
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1 /*PGR-GNU*****************************************************************
2 File: pgr_palloc.hpp
3 
4 Copyright (c) 2015 Celia Virginia Vergara Castillo
5 Mail: vicky_vergara@hotmail.com
6 
7 ------
8 
9 This program is free software; you can redistribute it and/or modify
10 it under the terms of the GNU General Public License as published by
11 the Free Software Foundation; either version 2 of the License, or
12 (at your option) any later version.
13 
14 This program is distributed in the hope that it will be useful,
15 but WITHOUT ANY WARRANTY; without even the implied warranty of
16 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 GNU General Public License for more details.
18 
19 You should have received a copy of the GNU General Public License
20 along with this program; if not, write to the Free Software
21 Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
22 
23 ********************************************************************PGR-GNU*/
24 #pragma once
25 #if defined(__MINGW32__) || defined(_MSC_VER)
26 #include <winsock2.h>
27 #include <windows.h>
28 #ifdef open
29 #undef open
30 #endif
31 #endif
32 
33 #include <stdlib.h>
34 
50 template <typename T>
51 T*
52 pgr_alloc(std::size_t size, T *ptr) {
53  if (!ptr) {
54  ptr = (T*) malloc(size * sizeof(T));
55  } else {
56  ptr = (T*) realloc(ptr, size * sizeof(T));
57  }
58  return (T*) ptr;
59 }
T * pgr_alloc(std::size_t size, T *ptr)
allocates memory
Definition: pgr_alloc.hpp:52