mirror of https://github.com/Icinga/icinga2.git
91 lines
2.7 KiB
C++
91 lines
2.7 KiB
C++
/******************************************************************************
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* Icinga 2 *
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* Copyright (C) 2012 Icinga Development Team (http://www.icinga.org/) *
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* *
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* This program is free software; you can redistribute it and/or *
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* modify it under the terms of the GNU General Public License *
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* as published by the Free Software Foundation; either version 2 *
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* of the License, or (at your option) any later version. *
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* *
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* This program is distributed in the hope that it will be useful, *
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* but WITHOUT ANY WARRANTY; without even the implied warranty of *
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
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* GNU General Public License for more details. *
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* *
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* You should have received a copy of the GNU General Public License *
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* along with this program; if not, write to the Free Software Foundation *
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA. *
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******************************************************************************/
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#include "i2-base.h"
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using namespace icinga;
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/**
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* Constructor for the memory class.
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*/
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Memory::Memory(void)
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{
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}
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/**
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* Allocates memory. Throws an exception if no memory is available. Alignment
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* guarantees are the same like for malloc().
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*
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* @param size The size of the requested memory block.
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* @returns A new block of memory.
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*/
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void *Memory::Allocate(size_t size)
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{
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void *ptr = malloc(size);
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if (size != 0 && ptr == NULL)
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throw OutOfMemoryException("malloc failed.");
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return ptr;
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}
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/**
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* Resizes a block of memory. Throws an exception if no memory is available.
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*
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* @param ptr The old memory block or NULL.
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* @param size The requested new size of the block.
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* @returns A pointer to the new memory block.
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*/
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void *Memory::Reallocate(void *ptr, size_t size)
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{
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void *new_ptr = realloc(ptr, size);
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if (size != 0 && new_ptr == NULL)
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throw OutOfMemoryException("realloc failed.");
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return new_ptr;
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}
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/**
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* Duplicates a string. Throws an exception if no memory is available.
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*
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* @param str The string.
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* @returns A copy of the string.
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*/
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char *Memory::StrDup(const char *str)
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{
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char *new_str = strdup(str);
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if (str == NULL)
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throw OutOfMemoryException("strdup failed.");
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return new_str;
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}
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/**
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* Frees a memory block.
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*
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* @param ptr The memory block.
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*/
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void Memory::Free(void *ptr)
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{
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if (ptr != NULL)
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free(ptr);
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}
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