misc/archive/ccat.c

   1 /* ccat (counting cat)
   2  *
   3  * --- T2-COPYRIGHT-NOTE-BEGIN ---
   4  * This copyright note is auto-generated by ./scripts/Create-CopyPatch.
   5  *
   6  * T2 SDE: misc/archive/ccat.c
   7  * Copyright (C) 2004 - 2005 The T2 SDE Project
   8  * Copyright (C) 1998 - 2003 ROCK Linux Project
   9  *
  10  * More information can be found in the files COPYING and README.
  11  *
  12  * This program is free software; you can redistribute it and/or modify
  13  * it under the terms of the GNU General Public License as published by
  14  * the Free Software Foundation; version 2 of the License. A copy of the
  15  * GNU General Public License can be found in the file COPYING.
  16  * --- T2-COPYRIGHT-NOTE-END ---
  17  */
  18
  19 #define VERSION "2000-06-15"
  20
  21 #include <stdio.h>
  22 #include <string.h>
  23 #include <errno.h>
  24
  25 int main(int argc) {
  26         char s1[]="................................"
  27                   "................................";
  28         char buf[10240];
  29         int c,rc1,rc2;
  30
  31         if (argc != 1) {
  32                 fprintf(stderr,
  33 "ccat (counting cat) Version " VERSION "\n"
  34 "Copyright (C) 2000  Clifford Wolf, Thomas Baumgartner\n"
  35 "\n"
  36 "     This program is free software; you can redistribute it and/or modify\n"
  37 "     it under the terms of the GNU General Public License as published by\n"
  38 "     the Free Software Foundation; either version 2 of the License, or\n"
  39 "     (at your option) any later version.\n"
  40 "\n"
  41 "     This program is distributed in the hope that it will be useful,\n"
  42 "     but WITHOUT ANY WARRANTY; without even the implied warranty of\n"
  43 "     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n"
  44 "     GNU General Public License for more details.\n"
  45 "\n"
  46 "     You should have received a copy of the GNU General Public License\n"
  47 "     along with this program; if not, write to the Free Software\n"
  48 "     Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.\n"
  49 "\n"
  50 "Usage:  `ccat' reads from its stdin and writes to stdout. No command line\n"
  51 "        arguments ar allowed. A status bar is printed to stderr.\n\n"
  52                         ); fflush(stderr);
  53                 return 1;
  54         }
  55
  56         c=1024; rc1=rc2=0;
  57         while (1) {
  58                 if (c%1024 == 0) {
  59                         fprintf(stderr,"\r%6d0 MB [%s]\r%6d0 MB [",
  60                                 c/1024,s1,c/1024); fflush(stderr);
  61                 }
  62                 if ( (rc1=read(0,buf,10240)) <= 0 ) { rc2=rc1; break; }
  63                 if (c%16 == 0) {
  64                         fprintf(stderr,"X"); fflush(stderr);
  65                 }
  66                 if ( (rc2=write(1,buf,rc1)) != rc1 ) break;
  67                 c++;
  68         }
  69
  70         if (rc1 == -1) {
  71                 fprintf(stderr,"\nRead ERROR: %s\n",strerror(errno));
  72         } else if (rc2 == -1) {
  73                 fprintf(stderr,"\nWrite ERROR: %s\n",strerror(errno));
  74         } else if (rc2 != rc1) {
  75                 fprintf(stderr,"\nWrite ERROR: Only %d of %d bytes "
  76                         "in the last block has been written.\n",rc2,rc1);
  77         } else
  78                 fprintf(stderr,"\n");
  79
  80         return 0;
  81 }