/* GNU dump extensions to tar.
Copyright (C) 1988, 1992, 1993, 1994, 1996, 1997, 1999, 2000, 2001,
- 2003, 2004 Free Software Foundation, Inc.
+ 2003, 2004, 2005 Free Software Foundation, Inc.
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
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. */
+ 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */
-#include "system.h"
+#include <system.h>
#include <getline.h>
#include <hash.h>
#include <quotearg.h>
#include "common.h"
-#define obstack_chunk_alloc xmalloc
-#define obstack_chunk_free free
-#include <obstack.h>
/* Incremental dump specialities. */
enum children children;
bool nfs;
bool found;
- char name[1]; /* path name of directory */
+ char name[1]; /* file name of directory */
};
static Hash_table *directory_table;
#endif
/* Calculate the hash of a directory. */
-static unsigned
-hash_directory (void const *entry, unsigned n_buckets)
+static size_t
+hash_directory (void const *entry, size_t n_buckets)
{
struct directory const *directory = entry;
return hash_string (directory->name, n_buckets);
return directory;
}
-/* Return a directory entry for a given path NAME, or zero if none found. */
+/* Return a directory entry for a given file NAME, or zero if none found. */
static struct directory *
find_directory (char *name)
{
(*(char *const *) second) + 1);
}
-/* Recursively scan the given PATH. */
+/* Recursively scan the given directory. */
static void
-scan_path (struct obstack *stk, char *path, dev_t device)
+scan_directory (struct obstack *stk, char *dir_name, dev_t device)
{
- char *dirp = savedir (path); /* for scanning directory */
+ char *dirp = savedir (dir_name); /* for scanning directory */
char const *entry; /* directory entry being scanned */
size_t entrylen; /* length of directory entry */
char *name_buffer; /* directory, `/', and directory member */
if (! dirp)
{
- savedir_error (path);
+ savedir_error (dir_name);
}
errno = 0;
- name_buffer_size = strlen (path) + NAME_FIELD_SIZE;
+ name_buffer_size = strlen (dir_name) + NAME_FIELD_SIZE;
name_buffer = xmalloc (name_buffer_size + 2);
- strcpy (name_buffer, path);
- if (! ISSLASH (path[strlen (path) - 1]))
+ strcpy (name_buffer, dir_name);
+ if (! ISSLASH (dir_name[strlen (dir_name) - 1]))
strcat (name_buffer, "/");
name_length = strlen (name_buffer);
- directory = find_directory (path);
+ directory = find_directory (dir_name);
children = directory ? directory->children : CHANGED_CHILDREN;
if (dirp && children != NO_CHILDREN)
}
char *
-get_directory_contents (char *path, dev_t device)
+get_directory_contents (char *dir_name, dev_t device)
{
struct obstack stk;
char *buffer;
obstack_init (&stk);
- scan_path (&stk, path, device);
+ scan_directory (&stk, dir_name, device);
buffer = sort_obstack (&stk);
obstack_free (&stk, NULL);
return buffer;
char *ebuf;
int n;
long lineno = 1;
- unsigned long u = (errno = 0, strtoul (buf, &ebuf, 10));
+ uintmax_t u = (errno = 0, strtoumax (buf, &ebuf, 10));
time_t t = u;
+
if (buf == ebuf || (u == 0 && errno == EINVAL))
ERROR ((0, 0, "%s:1: %s", quotearg_colon (listed_incremental_option),
_("Invalid time stamp")));
- else if (t != u || (u == -1 && errno == ERANGE))
+ else if (t != u)
ERROR ((0, 0, "%s:1: %s", quotearg_colon (listed_incremental_option),
_("Time stamp out of range")));
else
{
+ /* FIXME: This should also input nanoseconds, but that will be a
+ change in file format. */
newer_mtime_option.tv_sec = t;
newer_mtime_option.tv_nsec = 0;
}
buf[n - 1] = '\0';
errno = 0;
- dev = u = strtoul (strp, &ebuf, 10);
- if (strp == ebuf || (u == 0 && errno == EINVAL))
+ dev = u = strtoumax (strp, &ebuf, 10);
+ if (!isspace (*ebuf))
ERROR ((0, 0, "%s:%ld: %s",
quotearg_colon (listed_incremental_option), lineno,
_("Invalid device number")));
- else if (dev != u || (u == -1 && errno == ERANGE))
+ else if (dev != u)
ERROR ((0, 0, "%s:%ld: %s",
quotearg_colon (listed_incremental_option), lineno,
_("Device number out of range")));
strp = ebuf;
errno = 0;
- ino = u = strtoul (strp, &ebuf, 10);
- if (strp == ebuf || (u == 0 && errno == EINVAL))
+ ino = u = strtoumax (strp, &ebuf, 10);
+ if (!isspace (*ebuf))
ERROR ((0, 0, "%s:%ld: %s",
quotearg_colon (listed_incremental_option), lineno,
_("Invalid inode number")));
- else if (ino != u || (u == -1 && errno == ERANGE))
+ else if (ino != u)
ERROR ((0, 0, "%s:%ld: %s",
quotearg_colon (listed_incremental_option), lineno,
_("Inode number out of range")));
if (directory->found)
{
int e;
+ char buf[UINTMAX_STRSIZE_BOUND];
char *str = quote_copy_string (directory->name);
- fprintf (fp, "+%lu %lu %s\n" + ! directory->nfs,
- (unsigned long) directory->device_number,
- (unsigned long) directory->inode_number,
- str ? str : directory->name);
+
+ if (directory->nfs)
+ fprintf (fp, "+");
+ fprintf (fp, "%s ", umaxtostr (directory->device_number, buf));
+ fprintf (fp, "%s ", umaxtostr (directory->inode_number, buf));
+ fprintf (fp, "%s\n", str ? str : directory->name);
+
e = errno;
if (str)
free (str);
if (sys_truncate (fileno (fp)) != 0)
truncate_error (listed_incremental_option);
- fprintf (fp, "%lu\n", (unsigned long) start_time);
+ /* FIXME: This should also output nanoseconds, but that will be a
+ change in file format. */
+ fprintf (fp, "%lu\n", (unsigned long int) start_time.tv_sec);
if (! ferror (fp) && directory_table)
hash_do_for_each (directory_table, write_directory_file_entry, fp);
if (ferror (fp))
/* Restoration of incremental dumps. */
/* Examine the directories under directory_name and delete any
- files that were not there at the time of the back-up.
- FIXME: The function name is obviously a misnomer */
+ files that were not there at the time of the back-up. */
void
-gnu_restore (char const *directory_name)
+purge_directory (char const *directory_name)
{
char *archive_dir;
char *current_dir;
}
if (*arc == '\0')
{
+ struct stat st;
char *p = new_name (directory_name, cur);
+
+ if (deref_stat (true, p, &st))
+ {
+ stat_diag (p);
+ WARN((0, 0, _("%s: Not purging directory: unable to stat"),
+ quotearg_colon (p)));
+ continue;
+ }
+ else if (one_file_system_option && st.st_dev != root_device)
+ {
+ WARN((0, 0,
+ _("%s: directory is on a different device: not purging"),
+ quotearg_colon (p)));
+ continue;
+ }
+
if (! interactive_option || confirm ("delete", p))
{
if (verbose_option)
fprintf (stdlis, _("%s: Deleting %s\n"),
program_name, quote (p));
- if (! remove_any_file (p, 1))
+ if (! remove_any_file (p, RECURSIVE_REMOVE_OPTION))
{
int e = errno;
ERROR ((0, e, _("%s: Cannot remove"), quotearg_colon (p)));