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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 
27 #ifndef INCLUDE_CPP_COMMON_PGR_ALLOC_HPP_
28 #define INCLUDE_CPP_COMMON_PGR_ALLOC_HPP_
29 #pragma once
30 
31 
32 extern "C" {
33 #if PGSQL_VERSION < 94
34 #ifdef __MINGW32__
35 #include <winsock2.h>
36 #include <windows.h>
37 #endif
38 #endif
39 
41 #include "utils/palloc.h"
42 }
43 
44 #include <string>
45 
62 template <typename T>
63 T*
64 pgr_alloc(std::size_t size, T* ptr) {
65  if (!ptr) {
66  ptr = static_cast<T*>(SPI_palloc(size * sizeof(T)));
67  } else {
68  ptr = static_cast<T*>(SPI_repalloc(ptr, size * sizeof(T)));
69  }
70  return ptr;
71 }
72 
73 template <typename T>
74 T*
75 pgr_free(T* ptr) {
76  if (ptr) {
77  pfree(ptr);
78  }
79  return nullptr;
80 }
81 
82 char *
83 pgr_msg(const std::string &msg);
84 
85 #endif // INCLUDE_CPP_COMMON_PGR_ALLOC_HPP_
T * pgr_free(T *ptr)
Definition: pgr_alloc.hpp:75
T * pgr_alloc(std::size_t size, T *ptr)
allocates memory
Definition: pgr_alloc.hpp:64
char * pgr_msg(const std::string &msg)
Definition: pgr_alloc.cpp:29