mirror of
https://github.com/reactos/reactos.git
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104 lines
2.4 KiB
C
104 lines
2.4 KiB
C
/*
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* COPYRIGHT: See COPYING in the top level directory
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* PROJECT: ReactOS kernel
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* FILE: lib/kernel32/mem/virtual.c
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* PURPOSE: Passing the Virtualxxx functions onto the kernel
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* PROGRAMMER: David Welch (welch@mcmail.com)
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*/
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/* INCLUDES ******************************************************************/
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#include <windows.h>
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#include <ddk/ntddk.h>
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/* FUNCTIONS *****************************************************************/
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LPVOID STDCALL VirtualAllocEx(HANDLE hProcess,
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LPVOID lpAddress,
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DWORD dwSize,
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DWORD flAllocationType,
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DWORD flProtect)
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{
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NTSTATUS Status;
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Status = ZwAllocateVirtualMemory(hProcess,
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(PVOID *)&lpAddress,
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0,
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(PULONG)&dwSize,
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flAllocationType,
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flProtect);
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if (!NT_SUCCESS(Status))
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{
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SetLastError(RtlNtStatusToDosError(Status));
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return(NULL);
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}
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return(lpAddress);
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}
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LPVOID STDCALL VirtualAlloc(LPVOID lpAddress,
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DWORD dwSize,
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DWORD flAllocationType,
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DWORD flProtect)
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{
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return(VirtualAllocEx(GetCurrentProcess(),lpAddress,dwSize,flAllocationType,
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flProtect));
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}
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WINBOOL STDCALL VirtualFreeEx(HANDLE hProcess,
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LPVOID lpAddress,
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DWORD dwSize,
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DWORD dwFreeType)
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{
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NTSTATUS Status;
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Status = ZwFreeVirtualMemory(hProcess,
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(PVOID *)&lpAddress,
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(PULONG)&dwSize,
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dwFreeType);
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if (!NT_SUCCESS(Status))
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{
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SetLastError(RtlNtStatusToDosError(Status));
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return(FALSE);
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}
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return(TRUE);
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}
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WINBOOL STDCALL VirtualFree(LPVOID lpAddress, DWORD dwSize, DWORD dwFreeType)
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{
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return(VirtualFreeEx(GetCurrentProcess(),lpAddress,dwSize,dwFreeType));
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}
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WINBOOL STDCALL VirtualProtect(LPVOID lpAddress,
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DWORD dwSize,
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DWORD flNewProtect,
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PDWORD lpflOldProtect)
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{
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return(VirtualProtectEx(GetCurrentProcess(),
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lpAddress,
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dwSize,
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flNewProtect,
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lpflOldProtect));
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}
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WINBOOL STDCALL VirtualProtectEx(HANDLE hProcess,
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LPVOID lpAddress,
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DWORD dwSize,
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DWORD flNewProtect,
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PDWORD lpflOldProtect)
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{
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NTSTATUS Status;
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Status = ZwProtectVirtualMemory(hProcess,
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(PVOID)lpAddress,
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dwSize,
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flNewProtect,
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(PULONG)lpflOldProtect);
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if (Status != STATUS_SUCCESS)
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{
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SetLastError(RtlNtStatusToDosError(Status));
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return(FALSE);
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}
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return(TRUE);
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}
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