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- /* copy.c
- Copy one file to another for the UUCP package.
-
- Copyright (C) 1991, 1992, 1995 Ian Lance Taylor
-
- This file is part of the Taylor UUCP package.
-
- This program is free software; you can redistribute it and/or
- modify it under the terms of the GNU General Public License as
- published by the Free Software Foundation; either version 2 of the
- License, or (at your option) any later version.
-
- This program is distributed in the hope that it will be useful, but
- WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- General Public License for more details.
-
- You should have received a copy of the GNU General Public License
- along with this program; if not, write to the Free Software
- Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
-
- The author of the program may be contacted at ian@airs.com or
- c/o Cygnus Support, 48 Grove Street, Somerville, MA 02144.
- */
-
- #include "uucp.h"
-
- #if USE_RCS_ID
- const char copy_rcsid[] = "$Id: copy.c,v 1.18 1995/08/02 01:17:31 ian Rel $";
- #endif
-
- #include "uudefs.h"
- #include "system.h"
- #include "sysdep.h"
-
- #include <stdio.h>
- #include <errno.h>
-
- /* Copy one file to another. */
-
- #if USE_STDIO
-
- boolean
- fcopy_file (zfrom, zto, fpublic, fmkdirs, fsignals)
- const char *zfrom;
- const char *zto;
- boolean fpublic;
- boolean fmkdirs;
- boolean fsignals;
- {
- FILE *efrom;
- boolean fret;
-
- efrom = fopen (zfrom, BINREAD);
- if (efrom == NULL)
- {
- ulog (LOG_ERROR, "fopen (%s): %s", zfrom, strerror (errno));
- return FALSE;
- }
-
- fret = fcopy_open_file (efrom, zto, fpublic, fmkdirs, fsignals);
- (void) fclose (efrom);
- return fret;
- }
-
- boolean
- fcopy_open_file (efrom, zto, fpublic, fmkdirs, fsignals)
- FILE *efrom;
- const char *zto;
- boolean fpublic;
- boolean fmkdirs;
- boolean fsignals;
- {
- FILE *eto;
- char ab[8192];
- int c;
-
- eto = esysdep_fopen (zto, fpublic, FALSE, fmkdirs);
- if (eto == NULL)
- return FALSE;
-
- while ((c = fread (ab, sizeof (char), sizeof ab, efrom)) != 0)
- {
- if (fwrite (ab, sizeof (char), (size_t) c, eto) != c)
- {
- ulog (LOG_ERROR, "fwrite: %s", strerror (errno));
- (void) fclose (eto);
- (void) remove (zto);
- return FALSE;
- }
- if (fsignals && FGOT_SIGNAL ())
- {
- /* Log the signal. */
- ulog (LOG_ERROR, (const char *) NULL);
- (void) fclose (eto);
- (void) remove (zto);
- return FALSE;
- }
- }
-
- if (! fsysdep_sync (eto, zto))
- {
- (void) fclose (eto);
- (void) remove (zto);
- return FALSE;
- }
-
- if (fclose (eto) != 0)
- {
- ulog (LOG_ERROR, "fclose: %s", strerror (errno));
- (void) remove (zto);
- return FALSE;
- }
-
- return TRUE;
- }
-
- #else /* ! USE_STDIO */
-
- #if HAVE_FCNTL_H
- #include <fcntl.h>
- #else
- #if HAVE_SYS_FILE_H
- #include <sys/file.h>
- #endif
- #endif
-
- #ifndef O_RDONLY
- #define O_RDONLY 0
- #define O_WRONLY 1
- #define O_RDWR 2
- #endif
-
- #ifndef O_NOCTTY
- #define O_NOCTTY 0
- #endif
-
- boolean
- fcopy_file (zfrom, zto, fpublic, fmkdirs, fsignals)
- const char *zfrom;
- const char *zto;
- boolean fpublic;
- boolean fmkdirs;
- boolean fsignals;
- {
- int ofrom;
- boolean fret;
-
- ofrom = open (zfrom, O_RDONLY | O_NOCTTY, 0);
- if (ofrom < 0)
- {
- ulog (LOG_ERROR, "open (%s): %s", zfrom, strerror (errno));
- return FALSE;
- }
-
- fret = fcopy_open_file (ofrom, zto, fpublic, fmkdirs, fsignals);
- (void) close (ofrom);
- return fret;
- }
-
- boolean
- fcopy_open_file (ofrom, zto, fpublic, fmkdirs, fsignals)
- int ofrom;
- const char *zto;
- boolean fpublic;
- boolean fmkdirs;
- boolean fsignals;
- {
- int oto;
- char ab[8192];
- int c;
-
- /* These file mode arguments are from the UNIX version of sysdep.h;
- each system dependent header file will need their own
- definitions. */
- oto = creat (zto, fpublic ? IPUBLIC_FILE_MODE : IPRIVATE_FILE_MODE);
- if (oto < 0)
- {
- if (errno == ENOENT && fmkdirs)
- {
- if (! fsysdep_make_dirs (zto, fpublic))
- return FALSE;
- oto = creat (zto,
- fpublic ? IPUBLIC_FILE_MODE : IPRIVATE_FILE_MODE);
- }
- if (oto < 0)
- {
- ulog (LOG_ERROR, "open (%s): %s", zto, strerror (errno));
- return FALSE;
- }
- }
-
- while ((c = read (ofrom, ab, sizeof ab)) > 0)
- {
- if (write (oto, ab, (size_t) c) != c)
- {
- ulog (LOG_ERROR, "write: %s", strerror (errno));
- (void) close (oto);
- (void) remove (zto);
- return FALSE;
- }
- if (fsignals && FGOT_SIGNAL ())
- {
- /* Log the signal. */
- ulog (LOG_ERROR, (const char *) NULL);
- (void) fclose (eto);
- (void) remove (zto);
- return FALSE;
- }
- }
-
- if (! fsysdep_sync (oto, zto))
- {
- (void) close (oto);
- (void) remove (zto);
- return FALSE;
- }
-
- if (close (oto) < 0)
- {
- ulog (LOG_ERROR, "close: %s", strerror (errno));
- (void) remove (zto);
- return FALSE;
- }
-
- if (c < 0)
- {
- ulog (LOG_ERROR, "read: %s", strerror (errno));
- (void) remove (zto);
- return FALSE;
- }
-
- return TRUE;
- }
-
- #endif /* ! USE_STDIO */
-