unix2dos.c

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/*
* UNIX2DOS.C - Translates files between UNIX and DOS/OS/2
*
*
* PROGRAMMER:	    Martti Ylikoski
* CREATED:	    24.11.1991
*/
static char *VERSION = "Version 1.0, Copyright(c) Martti Ylikoski, 1991" ;
/*
*/

#include <stdio.h>
#include <fcntl.h>
#include <io.h>
#include <errno.h>
#include <param.h>
#include <paramstd.h>

static char *progname ;

extern unsigned long pflags ;

ParamEntry pentry[12] = {
     "P", &ParamSetPause, 0,
     "F", &ParamSetFold, 0,
     "V", &ParamSetVerbose, 0,
     "R", &ParamSetReport, 0,
     "S", &ParamSetSubDirs, 0,
     "?", &ParamSetHelp, 1,
     "H", &ParamSetHelp, 1,
     "NOD", &ParamSetNoDefault, 0,
     "TEST", &ParamSetTest, 0,
     "Y", &ParamSetYes, 0,
     "N", &ParamSetTest, 0,
     "\0", NULL, 0
} ;

ParamBlock params = {
    "/-",   IGNORECASE | NOPRIORITY | NOTRIGGERSALLOWED ,
    pentry
} ;


main(int argc, char *argv[])
{
FILE *fpin, *fpout ;
char buf[1024] ;
   progname = argv[0] ;

   ParamHandle(&params, &argc, argv) ;

   if (pflags & PA_HELP)
   {
      printf("%s - Translates files between UNIX and DOS/OS/2.\n", progname) ;
      puts(VERSION) ;
      puts("Usage: UNIX2DOS [file1 [file2]] [/? | /H]") ;
      puts("Where,") ;
      puts("     /H,/? = Help") ;
      puts("If file1 is missing, UNIX2DOS reads from the standard input") ;
      puts("if file2 is missing, UNIX2DOS writes to the standard output") ;
      return( 0 ) ;
   }

   if (argc == 1)
   {
      setmode(0, O_BINARY) ;
      fpin = stdin ;
   }
   else
   {
      if ((fpin = fopen(argv[1], "rb")) == NULL)
      {
	 fprintf(stderr, "%s unable to open input file %s\n", progname, argv[1]) ;
	 return( 1 ) ;
      }
   }

   if (argc < 3)
      fpout = stdout ;
   else
   {
      if ((fpout = fopen(argv[2], "wt")) == NULL)
      {
	 fprintf(stderr, "%s unable to open output file %s\n", progname, argv[2]) ;
	 fclose(fpin) ;
	 return( 1 ) ;
      }
   }

   while(fgets(buf, sizeof(buf), fpin) != NULL)
   {
      fputs(buf, fpout) ;
      if (ferror(fpin) || ferror(fpout))
      {
	 fprintf(stderr, "%s: error in processing\nFiles may be only partially converted\n", progname) ;
	 fclose(fpin) ;
	 fclose (fpout) ;
	 return( 1 ) ;
      }
   }

   fclose(fpin) ;
   fclose(fpout) ;
   return( 0 ) ;
}