mirror of https://github.com/Icinga/icinga2.git
82 lines
1.4 KiB
C++
82 lines
1.4 KiB
C++
#include "i2-base.h"
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using namespace icinga;
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/**
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* Memory
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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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* Allocate
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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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* Reallocate
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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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* StrDup
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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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* Free
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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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