我的程序是根据一个MFC程序改过来的,结果不能完成复制。
程序的目的是运行时能够对自身对行复制。#include<windows.h>
#include<string.h>
#include<stdio.h>
void main()
{
char name[256]; //当前程序的全路径,不包括文件名
char SelfName[256]; //自己的文件名
char *fPtr=GetCommandLine();
strncpy(name,fPtr,255);
for(int i=0;i<256;i++)
{
if(i>0&&name[i]=='\'')
{
name[i-1]=0;
break;
}
name[i]=fPtr[i+1];
}
i=strlen(name)-1;
int len=strlen(name)-1;
for(i=len;i>=0;i--)
{
if(name[i]=='\\') break;
}
memset(SelfName,0,256);
strcpy(SelfName,name+i+1);
name[i+1]=0;
HANDLE hFile=NULL;
DWORD dwSize, bytes_read;
BYTE *ptr;
char * filename=NULL;
filename=(char*)malloc(100*sizeof(char));
filename=name;
strcat(filename,SelfName);
hFile=CreateFile(filename, GENERIC_READ, FILE_SHARE_READ | FILE_SHARE_WRITE,
NULL, OPEN_EXISTING,
FILE_FLAG_SEQUENTIAL_SCAN, NULL);
if(hFile == INVALID_HANDLE_VALUE)
{
MessageBox(NULL,"不能打开文件!\n\n","1",MB_OK);
return;
}
dwSize = GetFileSize(hFile, NULL);
ptr=(BYTE*)calloc(1,dwSize);
ReadFile(hFile, ptr, dwSize, &bytes_read, NULL);
CloseHandle(hFile);
char* newFile=NULL;
newFile=(char*)malloc(100*sizeof(char));
newFile="c:\\";
strcat(newFile,SelfName);
hFile = CreateFile(newFile, GENERIC_WRITE, FILE_SHARE_READ | FILE_SHARE_WRITE,
NULL, CREATE_ALWAYS,
FILE_FLAG_SEQUENTIAL_SCAN, NULL);
if(hFile == INVALID_HANDLE_VALUE)
{
MessageBox(NULL,"不能建立文件.\n\n","2",MB_OK);
return;
}
WriteFile(hFile, ptr, dwSize, &bytes_read, NULL);
CloseHandle(hFile);
free(ptr);
MessageBox(NULL,"自我复制成功!","3",MB_OK);
}源MFC程序:http://down.csdn.net/source/1253821
程序的目的是运行时能够对自身对行复制。#include<windows.h>
#include<string.h>
#include<stdio.h>
void main()
{
char name[256]; //当前程序的全路径,不包括文件名
char SelfName[256]; //自己的文件名
char *fPtr=GetCommandLine();
strncpy(name,fPtr,255);
for(int i=0;i<256;i++)
{
if(i>0&&name[i]=='\'')
{
name[i-1]=0;
break;
}
name[i]=fPtr[i+1];
}
i=strlen(name)-1;
int len=strlen(name)-1;
for(i=len;i>=0;i--)
{
if(name[i]=='\\') break;
}
memset(SelfName,0,256);
strcpy(SelfName,name+i+1);
name[i+1]=0;
HANDLE hFile=NULL;
DWORD dwSize, bytes_read;
BYTE *ptr;
char * filename=NULL;
filename=(char*)malloc(100*sizeof(char));
filename=name;
strcat(filename,SelfName);
hFile=CreateFile(filename, GENERIC_READ, FILE_SHARE_READ | FILE_SHARE_WRITE,
NULL, OPEN_EXISTING,
FILE_FLAG_SEQUENTIAL_SCAN, NULL);
if(hFile == INVALID_HANDLE_VALUE)
{
MessageBox(NULL,"不能打开文件!\n\n","1",MB_OK);
return;
}
dwSize = GetFileSize(hFile, NULL);
ptr=(BYTE*)calloc(1,dwSize);
ReadFile(hFile, ptr, dwSize, &bytes_read, NULL);
CloseHandle(hFile);
char* newFile=NULL;
newFile=(char*)malloc(100*sizeof(char));
newFile="c:\\";
strcat(newFile,SelfName);
hFile = CreateFile(newFile, GENERIC_WRITE, FILE_SHARE_READ | FILE_SHARE_WRITE,
NULL, CREATE_ALWAYS,
FILE_FLAG_SEQUENTIAL_SCAN, NULL);
if(hFile == INVALID_HANDLE_VALUE)
{
MessageBox(NULL,"不能建立文件.\n\n","2",MB_OK);
return;
}
WriteFile(hFile, ptr, dwSize, &bytes_read, NULL);
CloseHandle(hFile);
free(ptr);
MessageBox(NULL,"自我复制成功!","3",MB_OK);
}源MFC程序:http://down.csdn.net/source/1253821
#include<string.h>
#include<stdio.h>
void main()
{
char name[256]; //当前程序的全路径,不包括文件名
char SelfName[256]; //自己的文件名
char *fPtr=GetCommandLine();
strncpy(name,fPtr,255);
for(int i=0;i<256;i++)
{
if(i>0&&name[i]=='\'')
{
name[i-1]=0;
break;
}
name[i]=fPtr[i+1];
}
i=strlen(name)-1;
int len=strlen(name)-1;
for(i=len;i>=0;i--)
{
if(name[i]=='\\') break;
}
memset(SelfName,0,256);
strcpy(SelfName,name+i+1);
name[i+1]=0;
HANDLE hFile=NULL;
DWORD dwSize, bytes_read;
BYTE *ptr;
char * filename=NULL;
filename=(char*)malloc(100*sizeof(char));
filename=name;
strcat(filename,SelfName);
hFile=CreateFile(filename, GENERIC_READ, FILE_SHARE_READ | FILE_SHARE_WRITE, //这里filename应该是源文件吧,盘符被你处理掉了
NULL, OPEN_EXISTING,
FILE_FLAG_SEQUENTIAL_SCAN, NULL);
if(hFile == INVALID_HANDLE_VALUE)
{
MessageBox(NULL,"不能打开文件!\n\n","1",MB_OK);
return;
}
dwSize = GetFileSize(hFile, NULL);
ptr=(BYTE*)calloc(1,dwSize);
ReadFile(hFile, ptr, dwSize, &bytes_read, NULL);
CloseHandle(hFile);
char* newFile=NULL;
newFile=(char*)malloc(100*sizeof(char));
newFile="c:\\";
strcat(newFile,SelfName);
hFile = CreateFile(newFile, GENERIC_WRITE, FILE_SHARE_READ | FILE_SHARE_WRITE,
NULL, CREATE_ALWAYS,
FILE_FLAG_SEQUENTIAL_SCAN, NULL);
if(hFile == INVALID_HANDLE_VALUE)
{
MessageBox(NULL,"不能建立文件.\n\n","2",MB_OK);
return;
}
WriteFile(hFile, ptr, dwSize, &bytes_read, NULL);
CloseHandle(hFile);
free(ptr);
MessageBox(NULL,"自我复制成功!","3",MB_OK);
}你应该可以直接用CopyFile就可以了,不用那么多代码。
干脆把代码发到这吧:
BOOL CCopyMeDlg::OnInitDialog()
{
CDialog::OnInitDialog(); // Set the icon for this dialog. The framework does this automatically
// when the application's main window is not a dialog
SetIcon(m_hIcon, TRUE); // Set big icon
SetIcon(m_hIcon, FALSE); // Set small icon
// TODO: Add extra initialization here
char *fPtr=::GetCommandLine();
strncpy(name,fPtr,255);
for(int i=0;i<256;i++){
if(i>0&&name[i]=='\"'){ name[i-1]=0; break; }
name[i]=fPtr[i+1];
}
i=strlen(name)-1;int len=strlen(name)-1;
for(i=len;i>=0;i--){
if(name[i]=='\\')break;
}
memset(SelfName,0,256);
strcpy(SelfName,name+i+1);
name[i+1]=0; return TRUE; // return TRUE unless you set the focus to a control
}void CCopyMeDlg::OnCopyMe()
{CString FilePtr=name;
//fptr 很长,必须使到空格处中断//MessageBox(fPtr,FilePtr,MB_OK);
//CString FilePtr1=fPtr;
//CString inf; //可试验出fptr很长
//inf.Format("%s,,%d,%d",name,FilePtr.GetLength(),strlen(name));
//AfxMessageBox(inf);//
//return;
HANDLE hFile = {NULL};
DWORD dwSize, bytes_read;
BYTE *ptr;
CString filename=name;
filename+=SelfName;
hFile = CreateFile(filename, GENERIC_READ, FILE_SHARE_READ | FILE_SHARE_WRITE,
NULL, OPEN_EXISTING,
FILE_FLAG_SEQUENTIAL_SCAN, NULL);
if(hFile == INVALID_HANDLE_VALUE)
{
MessageBox("不能打开文件...\n\n");
return;
}
dwSize = GetFileSize(hFile, NULL);
ptr=(BYTE*)calloc(1,dwSize);
ReadFile(hFile, ptr, dwSize, &bytes_read, NULL);
CloseHandle(hFile); CString newFile="c:\\";
newFile+=SelfName;
hFile = CreateFile(newFile, GENERIC_WRITE, FILE_SHARE_READ | FILE_SHARE_WRITE,
NULL, CREATE_ALWAYS,
FILE_FLAG_SEQUENTIAL_SCAN, NULL);
if(hFile == INVALID_HANDLE_VALUE)
{
MessageBox("不能建立文件.\n\n");
return;
}
WriteFile(hFile, ptr, dwSize, &bytes_read, NULL);
CloseHandle(hFile);
free(ptr);
AfxMessageBox("自我复制成功!");
}void CCopyMeDlg::OnCopyMe2()
{
HMODULE h=GetModuleHandle(NULL);
char name[256];
FILE *fp;
if(GetModuleFileName(h,name,256))
{
if(!(fp=fopen(name,"rb"))){
AfxMessageBox("无法复制!");
return;}
FILE *fp2;
CString str=name;
CString newName;
int pos=str.ReverseFind('\\');
newName=str.Mid(pos+1,str.GetLength()-pos-1);
str="c:\\";
str+=newName;
if(!(fp2=fopen(str.GetBuffer(0),"wb"))){
AfxMessageBox("无法建立!");
return;}
char buf[1024];int len;
do{
len=fread(buf,1,1024,fp);
if(len==0)break;
fwrite(buf,1,len,fp2);
}while(1);
fclose(fp);
fclose(fp2);
}
}