由3926个源代码

				/*--------------------------------------------------------------------*/
				/*       f i l e b k u p                                              */
				/*                                                                    */
				/*       UUPC/extended file backup routines                           */
				/*                                                                    */
				/*       Copyright (c) 1991-1993 by Andrew H. Derbyshire;             */
				/*       all rights reserved except as granted by UUPC/extended       */
				/*       license included with documention.                           */
				/*--------------------------------------------------------------------*/
				
				/*--------------------------------------------------------------------*/
				/*                          RCS Information                           */
				/*--------------------------------------------------------------------*/
				
				/*
				 *    $Id: FILEBKUP.C 1.3 1993/04/11 00:33:38 dmwatt Exp $
				 *
				 *    Revision history:
				 *    $Log: FILEBKUP.C $
				 *     Revision 1.3  1993/04/11  00:33:38  dmwatt
				 *     Global edits for year, TEXT, etc.
				 *
				 * Revision 1.2  1992/11/19  02:57:51  ahd
				 * drop rcsid
				 *
				 * Revision 1.1  1992/11/16  05:00:26  ahd
				 * Initial revision
				 *
				 */
				
				
				
				/*--------------------------------------------------------------------*/
				/*                        System include files                        */
				/*--------------------------------------------------------------------*/
				
				#include 
				#include 
				#include 
				#include 
				
				#ifndef __GNUC__
				#include 
				#endif
				
				/*--------------------------------------------------------------------*/
				/*                    UUPC/extended include files                     */
				/*--------------------------------------------------------------------*/
				
				#include "lib.h"
				#include "hlib.h"
				
				currentfile();
				
				/*--------------------------------------------------------------------*/
				/*    f i l e b k u p                                                 */
				/*                                                                    */
				/*    Backup a file to the standard UUPC/extended defined             */
				/*    extension.                                                      */
				/*--------------------------------------------------------------------*/
				
				int filebkup( const char *input )
				{
				   char fdrive[FILENAME_MAX];
				   char fpath[FILENAME_MAX];
				   char fname[FILENAME_MAX];
				   char ftype[FILENAME_MAX];
				   char backup[FILENAME_MAX];
				
				   if ( !bflag[F_BACKUP] )    /* Are we to not back it up?           */
				      return 1;               /* Yes --> Report we did not           */
				
				#ifdef __TURBOC__
				   fnsplit( input, fdrive, fpath, fname, ftype );
				
				   if ( E_backup == NULL )
				      strcpy(ftype, ".BAK" );
				   else if ( *E_backup == '.' )
				      strcpy( ftype, E_backup );
				   else {
				      *ftype = '.';
				      strcpy(  ftype + 1 , E_backup );
				   } /* else */
				
				   fnmerge( backup, fdrive, fpath, fname, ftype );
				#else
				
				   if ( E_backup == NULL )
				      E_backup = ".BAK";
				
				   _splitpath( input , fdrive, fpath, fname, ftype );
				   _makepath( backup , fdrive, fpath, fname, E_backup );
				#endif /* __TURBOC__ */
				
				   remove( backup );
				
				   if (rename( input, backup ))
				   {
				      printerr( backup );
				      printmsg(1,"Unable to rename %s to %s\n", input, backup );
				      return 1;
				
				   } /* if (rename( input, backup )) */
				   else
				      return 0;
				
				} /* filebkup */