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  1. #include <windows.h>
  2. #include <iostream>
  3. #include <stack>
  4.  
  5. int const BuffSize = 65536;
  6. bool MyCopyFile(std::string src, std::string dest) {
  7.   static char Buff[BuffSize];
  8.   DWORD ActualReadBytes, ActualWriteBytes;
  9.   HANDLE hFileSrc, hFileDest;
  10.  
  11.   hFileSrc = ::CreateFile(src.c_str(), GENERIC_READ, FILE_SHARE_READ, 0, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, 0);
  12.   if (hFileSrc == INVALID_HANDLE_VALUE) {
  13.     std::cerr << "Cannot open(read) :" << src << std::endl;
  14.     return false;
  15.   }
  16.  
  17.   hFileDest = ::CreateFile(dest.c_str(), GENERIC_WRITE, 0, 0, CREATE_ALWAYS, FILE_ATTRIBUTE_NORMAL, 0);
  18.   if (hFileSrc == INVALID_HANDLE_VALUE) {
  19.     std::cerr << "Cannot open(write) :" << dest << std::endl;
  20.     ::CloseHandle(hFileSrc);
  21.     return false;
  22.   }
  23.  
  24.   int nReadTotalBytes = 0;
  25.   int nWriteTotalBytes = 0;
  26.  
  27.   for (;;) {
  28.     if (!::ReadFile(hFileSrc, Buff, BuffSize, &ActualReadBytes, 0)) {
  29.       std::cerr << "Opend but cannot read: " << src << " : " << nReadTotalBytes << "/" << nWriteTotalBytes << std::endl;
  30.       ::CloseHandle(hFileSrc);
  31.       ::CloseHandle(hFileDest);
  32.       return false;
  33.     }
  34.     nReadTotalBytes += ActualReadBytes;
  35.  
  36.     /* out of loop */
  37.     if (ActualReadBytes == 0)
  38.       break;
  39.  
  40.     if(!::WriteFile(hFileDest, Buff, ActualReadBytes, &ActualWriteBytes, 0)) {
  41.       std::cerr << "Opend and read but cannot write: " << dest << " : " << nReadTotalBytes << "/" << nWriteTotalBytes << std::endl;
  42.       break; /* out of for (;;) */
  43.     }
  44.     nWriteTotalBytes += ActualWriteBytes;
  45.   }
  46.   std::cout << nReadTotalBytes << "/" << nWriteTotalBytes << " ";
  47.   ::CloseHandle(hFileSrc);
  48.   ::CloseHandle(hFileDest);
  49.   return true;
  50. }
  51.  
  52. struct PathPair {
  53.   std::string src;
  54.   std::string dest;
  55.   PathPair(std::string src, std::string dest) : src(src), dest(dest) { }
  56. };
  57.  
  58. std::stack<PathPair> path_stack;
  59.  
  60. void copy_body(std::string original_dest) {
  61.   while (!path_stack.empty()) {
  62.     PathPair path_pair = path_stack.top(); path_stack.pop();
  63.     std::string now_path = path_pair.src;
  64.     std::string now_dest_path = path_pair.dest;
  65.  
  66.     if (now_path.find_last_of(std::string("/")) != now_path.length() - 1) now_path += "/"; /* '/' で終わらない場合に '/' を追加 */
  67.     if (now_dest_path.find_last_of(std::string("/")) != now_dest_path.length() - 1) now_dest_path += "/"; /* '/' で終わらない場合に '/' を追加 */
  68.     std::string now_path_findfirst = now_path + "*.*";
  69.  
  70.     WIN32_FIND_DATA FindFileData;
  71.  
  72.     HANDLE hFindFirstNext = ::FindFirstFile(now_path_findfirst.c_str(), &FindFileData);
  73.     bool bInLoop = (hFindFirstNext != INVALID_HANDLE_VALUE);
  74.  
  75.     while (bInLoop) {
  76.       std::string now_path_filename;
  77.       std::string now_dest_path_filename;
  78.       std::string filename = std::string(FindFileData.cFileName);
  79.  
  80.       if (filename == "." || filename == "..") goto FINDNEXTFILE;
  81.  
  82.       now_path_filename = now_path + filename;
  83.       now_dest_path_filename = now_dest_path + filename;
  84.  
  85.       /* prevent recursively-endless-loop */
  86.       if (now_path_filename == original_dest)
  87.         goto FINDNEXTFILE;
  88.  
  89.       if (::GetFileAttributes(now_path_filename.c_str()) & FILE_ATTRIBUTE_DIRECTORY) { /* when now_path_filename is a directory */
  90.         if ((signed int)::GetFileAttributes(now_dest_path_filename.c_str()) == -1) {
  91.           if(::CreateDirectory(now_dest_path_filename.c_str(), 0)) {
  92.             std::cout << "Create directory: " << now_dest_path_filename << std::endl;
  93.           } else {
  94.             std::cerr << "Failure to create directory: " << now_dest_path_filename << std::endl;
  95.             break;
  96.           }
  97.         }
  98.         path_stack.push(PathPair(now_path_filename, now_dest_path_filename));
  99.  
  100.       } else { /* when now_path_filename is a file */
  101.         std::cout << now_path_filename << " -> " << now_dest_path_filename << " ";
  102.         if (MyCopyFile(now_path_filename, now_dest_path_filename)) {
  103.           std::cout << " : OK" << std::endl;
  104.         }
  105.       }
  106.     FINDNEXTFILE:
  107.       bInLoop = ::FindNextFile(hFindFirstNext, &FindFileData);
  108.     } /* while(bInLoop) */
  109.     if (hFindFirstNext != INVALID_HANDLE_VALUE)
  110.       ::FindClose(hFindFirstNext);
  111.   } /* while(!path_stack.empty()) */
  112. }
  113.  
  114. int main(int argc, char *argv[]) {
  115.  
  116.   if (argc != 3) {
  117.     std::cerr << argv[0] << " : copy files and directory recursively." << std::endl;
  118.     std::cerr << "usage: " << argv[0] << " src-path dest-path " << std::endl;
  119.     return 0;
  120.   }
  121.  
  122.   std::string src = std::string(argv[1]);
  123.   std::string dest= std::string(argv[2]);
  124.  
  125.   if (src.find(std::string("./")) != 0)
  126.     src = std::string("./") + src;
  127.   if (dest.find(std::string("./")) != 0)
  128.     dest = std::string("./") + dest;
  129.  
  130.   int attributes = ::GetFileAttributes(dest.c_str());
  131.   if (attributes == -1) {
  132.     std::cerr << "Directory: " << dest << " is not exists, aborted." << std::endl;
  133.     return 0;
  134.   }
  135.  
  136.   path_stack.push(PathPair(src, dest));
  137.   copy_body(dest);
  138.  
  139.   return 0;
  140. }
  141. /* end */
  142.  
Compilation error #stdin compilation error #stdout 0s 0KB
comments (?)
stdin 
Standard input is empty
compilation info 
prog.cpp:1:21: fatal error: windows.h: No such file or directory
 #include <windows.h>
                     ^
compilation terminated.
stdout 
Standard output is empty
https://ideone.com/kDnlqR
language:
C++ (gcc 8.3)
created:
7 years ago
visibility:
public

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