#include <quotearg.h>
#include <utimens.h>
#include <errno.h>
-#include <xgetcwd.h>
#include <priv-set.h>
#include "common.h"
{
mode_t mode;
bool failed;
-
+
if (0 < same_permissions_option
&& permstatus != INTERDIR_PERMSTATUS)
{
properly restored on returning RECOVER_NO. */
static int
-maybe_recoverable (char *file_name, int *interdir_made)
+maybe_recoverable (char *file_name, bool *interdir_made)
{
int e = errno;
errno = ENOENT;
return RECOVER_NO;
}
- *interdir_made = 1;
+ *interdir_made = true;
return RECOVER_OK;
default:
{
int status;
mode_t mode;
- int interdir_made = 0;
+ bool interdir_made = false;
/* Save 'root device' to avoid purging mount points. */
if (one_file_system_option && root_device == 0)
{
struct stat st;
- char *dir = xgetcwd ();
- if (deref_stat (true, dir, &st))
- stat_diag (dir);
+ if (stat (".", &st) != 0)
+ stat_diag (".");
else
root_device = st.st_dev;
- free (dir);
}
if (incremental_option)
int status;
size_t count;
size_t written;
- int interdir_made = 0;
+ bool interdir_made = false;
mode_t mode = current_stat_info.stat.st_mode & MODE_RWX & ~ current_umask;
mode_t invert_permissions =
0 < same_owner_option ? mode & (S_IRWXG | S_IRWXO) : 0;
}
}
- mv_begin (¤t_stat_info);
+ mv_begin_read (¤t_stat_info);
if (current_stat_info.is_sparse)
sparse_extract_file (fd, ¤t_stat_info, &size);
else
process. */
static int
-create_placeholder_file (char *file_name, bool is_symlink, int *interdir_made)
+create_placeholder_file (char *file_name, bool is_symlink, bool *interdir_made)
{
int fd;
struct stat st;
while ((fd = open (file_name, O_WRONLY | O_CREAT | O_EXCL, 0)) < 0)
- if (! maybe_recoverable (file_name, interdir_made))
- break;
+ {
+ switch (maybe_recoverable (file_name, interdir_made))
+ {
+ case RECOVER_OK:
+ continue;
+
+ case RECOVER_SKIP:
+ return 0;
+
+ case RECOVER_NO:
+ open_error (file_name);
+ return -1;
+ }
+ }
- if (fd < 0)
- open_error (file_name);
- else if (fstat (fd, &st) != 0)
+ if (fstat (fd, &st) != 0)
{
stat_error (file_name);
close (fd);
static int
extract_link (char *file_name, int typeflag)
{
- int interdir_made = 0;
+ bool interdir_made = false;
char const *link_name;
+ int rc;
link_name = current_stat_info.link_name;
-
+
if (! absolute_names_option && contains_dot_dot (link_name))
return create_placeholder_file (file_name, false, &interdir_made);
errno = e;
}
- while (maybe_recoverable (file_name, &interdir_made));
+ while ((rc = maybe_recoverable (file_name, &interdir_made)) == RECOVER_OK);
+ if (rc == RECOVER_SKIP)
+ return 0;
if (!(incremental_option && errno == EEXIST))
{
link_error (link_name, file_name);
extract_symlink (char *file_name, int typeflag)
{
#ifdef HAVE_SYMLINK
- int status;
- int interdir_made = 0;
+ bool interdir_made = false;
if (! absolute_names_option
&& (IS_ABSOLUTE_FILE_NAME (current_stat_info.link_name)
|| contains_dot_dot (current_stat_info.link_name)))
return create_placeholder_file (file_name, true, &interdir_made);
- while ((status = symlink (current_stat_info.link_name, file_name)))
- if (!maybe_recoverable (file_name, &interdir_made))
- break;
+ while (symlink (current_stat_info.link_name, file_name))
+ switch (maybe_recoverable (file_name, &interdir_made))
+ {
+ case RECOVER_OK:
+ continue;
- if (status == 0)
- set_stat (file_name, ¤t_stat_info, NULL, 0, 0, SYMTYPE);
- else
- symlink_error (current_stat_info.link_name, file_name);
- return status;
+ case RECOVER_SKIP:
+ return 0;
+
+ case RECOVER_NO:
+ symlink_error (current_stat_info.link_name, file_name);
+ return -1;
+ }
+
+ set_stat (file_name, ¤t_stat_info, NULL, 0, 0, SYMTYPE);
+ return 0;
#else
static int warned_once;
static int
extract_node (char *file_name, int typeflag)
{
- int status;
- int interdir_made = 0;
+ bool interdir_made = false;
mode_t mode = current_stat_info.stat.st_mode & ~ current_umask;
mode_t invert_permissions =
0 < same_owner_option ? mode & (S_IRWXG | S_IRWXO) : 0;
- do
- status = mknod (file_name, mode ^ invert_permissions,
- current_stat_info.stat.st_rdev);
- while (status && maybe_recoverable (file_name, &interdir_made));
+ while (mknod (file_name, mode ^ invert_permissions,
+ current_stat_info.stat.st_rdev))
+ switch (maybe_recoverable (file_name, &interdir_made))
+ {
+ case RECOVER_OK:
+ continue;
- if (status != 0)
- mknod_error (file_name);
- else
- set_stat (file_name, ¤t_stat_info, NULL, invert_permissions,
- ARCHIVED_PERMSTATUS, typeflag);
- return status;
+ case RECOVER_SKIP:
+ return 0;
+
+ case RECOVER_NO:
+ mknod_error (file_name);
+ return -1;
+ }
+
+ set_stat (file_name, ¤t_stat_info, NULL, invert_permissions,
+ ARCHIVED_PERMSTATUS, typeflag);
+ return 0;
}
#endif
extract_fifo (char *file_name, int typeflag)
{
int status;
- int interdir_made = 0;
+ bool interdir_made = false;
mode_t mode = current_stat_info.stat.st_mode & ~ current_umask;
mode_t invert_permissions =
0 < same_owner_option ? mode & (S_IRWXG | S_IRWXO) : 0;
while ((status = mkfifo (file_name, mode)) != 0)
- if (!maybe_recoverable (file_name, &interdir_made))
- break;
+ switch (maybe_recoverable (file_name, &interdir_made))
+ {
+ case RECOVER_OK:
+ continue;
- if (status == 0)
- set_stat (file_name, ¤t_stat_info, NULL, invert_permissions,
- ARCHIVED_PERMSTATUS, typeflag);
- else
- mkfifo_error (file_name);
- return status;
+ case RECOVER_SKIP:
+ return 0;
+
+ case RECOVER_NO:
+ mkfifo_error (file_name);
+ return -1;
+ }
+
+ set_stat (file_name, ¤t_stat_info, NULL, invert_permissions,
+ ARCHIVED_PERMSTATUS, typeflag);
+ return 0;
}
#endif
tar_extractor_t fun;
fatal_exit_hook = extract_finish;
-
+
/* Try to disable the ability to unlink a directory. */
priv_set_remove_linkdir ();
set_next_block_after (current_header);
- decode_header (current_header, ¤t_stat_info, ¤t_format, 1);
+
if (!current_stat_info.file_name[0]
|| (interactive_option
&& !confirm ("extract", current_stat_info.file_name)))