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/*字符串的连接 by exchen 2009-10-02 */ #include <ntddk.h> #define BUFFER_SIZE 256 VOID DriverUnload( IN PDRIVER_OBJECT DriverObject ) { DbgPrint("驱动已经被停止了\n"); } NTSTATUS DriverEntry( IN PDRIVER_OBJECT DriverObject, IN PUNICODE_STRING RegistryPath ) { UNICODE_STRING usDes; UNICODE_STRING usScr; RtlInitUnicodeString(&usScr,L"My source string"); usDes.Buffer=(PWSTR)ExAllocatePool(PagedPool,BUFFER_SIZE); usDes.MaximumLength=BUFFER_SIZE; RtlCopyUnicodeString(&usDes,&usScr);//拷贝内容 if (STATUS_BUFFER_TOO_SMALL ==RtlAppendUnicodeToString(&usDes,L"My Append String")) { DbgPrint("STATUS_BUFFER_TOO_SMALL"); } DbgPrint("连接为:%wZ" ,&usDes); //打印连接的内容 RtlFreeUnicodeString(&usDes); //释放分配的空间 DriverObject->DriverUnload = DriverUnload; return STATUS_SUCCESS; } |
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