Function VirtualProtect [src]

Prototype

 pub fn VirtualProtect(lpAddress: ?LPVOID, dwSize: SIZE_T, flNewProtect: DWORD, lpflOldProtect: *DWORD) VirtualProtectError!void

Parameters

lpAddress: ?LPVOIDdwSize: SIZE_TflNewProtect: DWORDlpflOldProtect: *DWORD

Possible Errors

InvalidAddress

Unexpected

Source

  pub fn VirtualProtect(lpAddress: ?LPVOID, dwSize: SIZE_T, flNewProtect: DWORD, lpflOldProtect: *DWORD) VirtualProtectError!void {
    // ntdll takes an extra level of indirection here
    var addr = lpAddress;
    var size = dwSize;
    switch (ntdll.NtProtectVirtualMemory(self_process_handle, &addr, &size, flNewProtect, lpflOldProtect)) {
        .SUCCESS => {},
        .INVALID_ADDRESS => return error.InvalidAddress,
        else => |st| return unexpectedStatus(st),
    }
}  