72 lines
1.6 KiB
C++
72 lines
1.6 KiB
C++
#pragma once
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#define WIN32_LEAN_AND_MEAN
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#include <windows.h>
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#include <Wincrypt.h>
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#include <cstdint>
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#include <string>
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/* ------------------------------------------------------------------------ */
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template<typename T, void freefunc(T)> class CustomHandle {
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T handle;
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public:
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inline CustomHandle() : handle(0) {}
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inline CustomHandle(T in) : handle(in) {}
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inline ~CustomHandle()
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{
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if (handle)
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freefunc(handle);
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}
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inline T *operator&() { return &handle; }
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inline operator T() const { return handle; }
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inline T get() const { return handle; }
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inline CustomHandle<T, freefunc> &operator=(T in)
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{
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if (handle)
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freefunc(handle);
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handle = in;
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return *this;
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}
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inline bool operator!() const { return !handle; }
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};
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void FreeProvider(HCRYPTPROV prov);
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void FreeHash(HCRYPTHASH hash);
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void FreeKey(HCRYPTKEY key);
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using CryptProvider = CustomHandle<HCRYPTPROV, FreeProvider>;
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using CryptHash = CustomHandle<HCRYPTHASH, FreeHash>;
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using CryptKey = CustomHandle<HCRYPTKEY, FreeKey>;
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/* ------------------------------------------------------------------------ */
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template<typename T> class LocalPtr {
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T *ptr = nullptr;
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public:
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inline ~LocalPtr()
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{
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if (ptr)
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LocalFree(ptr);
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}
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inline T **operator&() { return &ptr; }
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inline operator T() const { return ptr; }
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inline T *get() const { return ptr; }
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inline bool operator!() const { return !ptr; }
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inline T *operator->() { return ptr; }
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};
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/* ------------------------------------------------------------------------ */
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std::string vstrprintf(const char *format, va_list args);
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std::string strprintf(const char *format, ...);
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