rosapps/applications/cmdutils/y/y.c

   1 /*
   2  * Y.C - Y external command.
   3  *
   4  * clone from 4nt y command
   5  *
   6  * 02 Oct 1999 (Paolo Pantaleo)
   7  *     started
   8  *
   9  *
  10  */
  11
  12 #define BUFF_SIZE 4096
  13
  14 #include <windows.h>
  15 #include <stdio.h>
  16 #include <tchar.h>
  17
  18 static
  19 VOID ConErrPrintf (LPTSTR szFormat, ...)
  20 {
  21         DWORD dwWritten;
  22         TCHAR szOut[BUFF_SIZE];
  23         va_list arg_ptr;
  24
  25         va_start (arg_ptr, szFormat);
  26         _vstprintf (szOut, szFormat, arg_ptr);
  27         va_end (arg_ptr);
  28
  29         WriteFile (GetStdHandle (STD_ERROR_HANDLE), szOut, _tcslen(szOut), &dwWritten, NULL);
  30 }
  31
  32
  33 static
  34 VOID ConOutPuts (LPTSTR szText)
  35 {
  36         DWORD dwWritten;
  37
  38         WriteFile (GetStdHandle (STD_OUTPUT_HANDLE), szText, _tcslen(szText), &dwWritten, NULL);
  39         WriteFile (GetStdHandle (STD_OUTPUT_HANDLE), "\n", 1, &dwWritten, NULL);
  40 }
  41
  42
  43 int main (int argc, char **argv)
  44 {
  45         INT i;
  46         HANDLE hFind;
  47         HANDLE hConsoleIn, hConsoleOut, hFile;
  48         char buff[BUFF_SIZE];
  49         DWORD dwRead,dwWritten;
  50         BOOL bRet;
  51         WIN32_FIND_DATA FindData;
  52
  53         hConsoleIn = GetStdHandle(STD_INPUT_HANDLE);
  54         hConsoleOut = GetStdHandle(STD_OUTPUT_HANDLE);
  55
  56         if (_tcsncmp (argv[1], _T("/?"), 2) == 0)
  57         {
  58                 ConOutPuts(_T("copy stdin to stdout and then files to stdout\n"
  59                               "\n"
  60                               "Y [files]\n"
  61                               "\n"
  62                               "files         files to copy to stdout"));
  63                 return 0;
  64         }
  65
  66         /*stdin to stdout*/
  67         do
  68         {
  69                 bRet = ReadFile(hConsoleIn,buff,sizeof(buff),&dwRead,NULL);
  70
  71                 if (dwRead>0 && bRet)
  72                         WriteFile(hConsoleOut,buff,dwRead,&dwWritten,NULL);
  73
  74         } while(dwRead>0 && bRet);
  75
  76
  77         /*files to stdout*/
  78         Sleep(0);
  79
  80         for (i = 1; i < argc; i++)
  81         {
  82                 hFind=FindFirstFile(argv[i],&FindData);
  83
  84                 if (hFind==INVALID_HANDLE_VALUE)
  85                 {
  86                         ConErrPrintf("File not found - %s\n",argv[i]);
  87                         continue;
  88                 }
  89
  90                 do
  91                 {
  92                         hFile = CreateFile(FindData.cFileName,
  93                                 GENERIC_READ,
  94                                 FILE_SHARE_READ,NULL,
  95                                 OPEN_EXISTING,
  96                                 FILE_ATTRIBUTE_NORMAL,NULL);
  97
  98                         if(hFile == INVALID_HANDLE_VALUE)
  99                         {
 100                                 ConErrPrintf("File not found - %s\n",FindData.cFileName);
 101                                 continue;
 102                         }
 103
 104                         do
 105                         {
 106                                 bRet = ReadFile(hFile,buff,sizeof(buff),&dwRead,NULL);
 107
 108                                 if (dwRead>0 && bRet)
 109                                         WriteFile(hConsoleOut,buff,dwRead,&dwWritten,NULL);
 110
 111                         } while(dwRead>0 && bRet);
 112
 113                         CloseHandle(hFile);
 114
 115                 }
 116                 while(FindNextFile(hFind,&FindData));
 117
 118                 FindClose(hFile);
 119         }
 120
 121         return 0;
 122 }