208 lines
4.6 KiB
C
208 lines
4.6 KiB
C
/* copy.c
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Copy one file to another for the UUCP package.
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Copyright (C) 1991, 1992 Ian Lance Taylor
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This file is part of the Taylor UUCP package.
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License as
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published by the Free Software Foundation; either version 2 of the
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License, or (at your option) any later version.
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This program is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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The author of the program may be contacted at ian@airs.com or
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c/o AIRS, P.O. Box 520, Waltham, MA 02254.
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$Log: copy.c,v $
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Revision 1.1.1.1 1993/03/21 09:45:37 cgd
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initial import of 386bsd-0.1 sources
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Revision 1.7 1992/02/24 20:07:43 ian
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John Theus: some systems don't have <fcntl.h>
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Revision 1.6 1992/02/08 03:54:18 ian
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Include <string.h> only in <uucp.h>, added 1992 copyright
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Revision 1.5 1991/12/29 04:04:18 ian
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Added a bunch of extern definitions
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Revision 1.4 1991/12/11 03:59:19 ian
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Create directories when necessary; don't just assume they exist
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Revision 1.3 1991/12/01 02:23:12 ian
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Niels Baggesen: don't multiply include <unistd.h>
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Revision 1.2 1991/09/19 03:23:34 ian
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Chip Salzenberg: append to private debugging file, don't overwrite it
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Revision 1.1 1991/09/10 19:39:38 ian
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Initial revision
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*/
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#include "uucp.h"
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#if USE_RCS_ID
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char copy_rcsid[] = "$Id: copy.c,v 1.1.1.1 1993/03/21 09:45:37 cgd Exp $";
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#endif
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#include <stdio.h>
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#include <errno.h>
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#include "system.h"
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#include "sysdep.h"
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/* External functions. */
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extern int fclose ();
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/* Copy one file to another. */
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#if USE_STDIO
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boolean
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fcopy_file (zfrom, zto, fpublic, fmkdirs)
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const char *zfrom;
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const char *zto;
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boolean fpublic;
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boolean fmkdirs;
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{
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FILE *efrom;
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FILE *eto;
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char ab[8192];
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int c;
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efrom = fopen (zfrom, BINREAD);
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if (efrom == NULL)
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{
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ulog (LOG_ERROR, "fopen (%s): %s", zfrom, strerror (errno));
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return FALSE;
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}
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eto = esysdep_fopen (zto, fpublic, FALSE, fmkdirs);
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if (eto == NULL)
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{
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(void) fclose (efrom);
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return FALSE;
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}
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while ((c = fread (ab, sizeof (char), sizeof ab, efrom)) != 0)
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{
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if (fwrite (ab, sizeof (char), c, eto) != c)
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{
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ulog (LOG_ERROR, "fwrite: %s", strerror (errno));
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(void) fclose (efrom);
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(void) fclose (eto);
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(void) remove (zto);
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return FALSE;
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}
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}
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(void) fclose (efrom);
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if (fclose (eto) != 0)
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{
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ulog (LOG_ERROR, "fclose: %s", strerror (errno));
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(void) remove (zto);
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return FALSE;
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}
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return TRUE;
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}
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#else /* ! USE_STDIO */
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#if HAVE_FCNTL_H
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#include <fcntl.h>
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#else
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#if HAVE_SYS_FILE_H
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#include <sys/file.h>
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#endif
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#endif
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#ifndef O_RDONLY
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#define O_RDONLY 0
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#define O_WRONLY 1
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#define O_RDWR 2
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#endif
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boolean
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fcopy_file (zfrom, zto, fpublic, fmkdirs)
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const char *zfrom;
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const char *zto;
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boolean fpublic;
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boolean fmkdirs;
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{
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int ofrom;
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int oto;
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char ab[8192];
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int c;
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ofrom = open (zfrom, O_RDONLY, 0);
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if (ofrom < 0)
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{
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ulog (LOG_ERROR, "open (%s): %s", zfrom, strerror (errno));
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return FALSE;
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}
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/* These file mode arguments are from the UNIX version of sysdep.h;
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each system dependent header file will need their own
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definitions. */
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oto = creat (zto, fpublic ? IPUBLIC_FILE_MODE : IPRIVATE_FILE_MODE);
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if (oto < 0)
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{
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if (errno == ENOENT && fmkdirs)
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{
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if (! fsysdep_make_dirs (zto, fpublic))
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return FALSE;
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oto = creat (zto,
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fpublic ? IPUBLIC_FILE_MODE : IPRIVATE_FILE_MODE);
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}
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if (oto < 0)
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{
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ulog (LOG_ERROR, "open (%s): %s", zto, strerror (errno));
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(void) close (ofrom);
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return FALSE;
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}
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}
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while ((c = read (ofrom, ab, sizeof ab)) > 0)
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{
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if (write (oto, ab, c) != c)
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{
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ulog (LOG_ERROR, "write: %s", strerror (errno));
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(void) close (ofrom);
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(void) close (oto);
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(void) remove (zto);
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return FALSE;
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}
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}
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(void) close (ofrom);
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if (close (oto) < 0)
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{
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ulog (LOG_ERROR, "close: %s", strerror (errno));
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(void) remove (zto);
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return FALSE;
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}
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if (c < 0)
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{
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ulog (LOG_ERROR, "read: %s", strerror (errno));
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(void) remove (zto);
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return FALSE;
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}
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return TRUE;
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}
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#endif /* ! USE_STDIO */
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