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Allocator.cpp
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64 lines (55 loc) · 1.68 KB
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#include "il2cpp-config.h"
#include "Allocator.h"
static allocate_func s_Allocator;
extern "C"
{
void register_allocator(allocate_func allocator)
{
s_Allocator = allocator;
}
}
void* Allocator::Allocate(size_t size)
{
IL2CPP_ASSERT(s_Allocator);
return s_Allocator(size);
}
char* Allocator::CopyToAllocatedStringBuffer(const std::string& input)
{
size_t size = input.size();
char* buffer = (char*)Allocator::Allocate(size + 1);
input.copy(buffer, size);
buffer[size] = '\0';
return buffer;
}
char* Allocator::CopyToAllocatedStringBuffer(const char* input)
{
size_t size = strlen(input);
char* buffer = (char*)Allocator::Allocate(size + 1);
strcpy(buffer, input);
return buffer;
}
void Allocator::CopyStringVectorToNullTerminatedArray(const std::vector<std::string>& input, void*** output)
{
if (output != NULL)
{
size_t numberOfAddresses = input.size();
*output = (void**)Allocate(sizeof(void*) * (numberOfAddresses + 1));
for (size_t i = 0; i < numberOfAddresses; ++i)
(*output)[i] = CopyToAllocatedStringBuffer(input[i].c_str());
(*output)[numberOfAddresses] = NULL;
}
}
void Allocator::CopyDataVectorToNullTerminatedArray(const std::vector<void*>& input, void*** output, int32_t elementSize)
{
if (output != NULL)
{
size_t numberOfEntries = input.size();
*output = (void**)Allocate(sizeof(void*) * (numberOfEntries + 1));
for (size_t i = 0; i < numberOfEntries; ++i)
{
(*output)[i] = (void*)Allocate(elementSize);
memcpy((*output)[i], input[i], elementSize);
}
(*output)[numberOfEntries] = NULL;
}
}