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28 lines
664 B
C++
28 lines
664 B
C++
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#include "dobby_internal.h"
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#include <windows.h>
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using namespace zz;
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PUBLIC MemoryOperationError CodePatch(void *address, uint8_t *buffer, uint32_t buffer_size) {
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DWORD oldProtect;
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int pageSize;
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// Get page size
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SYSTEM_INFO si;
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GetSystemInfo(&si);
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pageSize = si.dwPageSize;
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void *addressPageAlign = (void *)ALIGN(address, pageSize);
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if (!VirtualProtect(addressPageAlign, pageSize, PAGE_EXECUTE_READWRITE, &oldProtect))
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return kMemoryOperationError;
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memcpy(address, buffer, buffer_size);
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if (!VirtualProtect(addressPageAlign, pageSize, oldProtect, &oldProtect))
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return kMemoryOperationError;
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return kMemoryOperationSuccess;
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}
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