/* GNU dump extensions to tar.
Copyright (C) 1988, 1992, 1993, 1994, 1996, 1997, 1999, 2000, 2001,
- 2003, 2004, 2005, 2006, 2007 Free Software Foundation, Inc.
+ 2003, 2004, 2005, 2006, 2007, 2008, 2009 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
#define DIR_SET_FLAG(d,f) (d)->flags |= (f)
#define DIR_CLEAR_FLAG(d,f) (d)->flags &= ~(f)
+struct dumpdir /* Dump directory listing */
+{
+ char *contents; /* Actual contents */
+ size_t total; /* Total number of elements */
+ size_t elc; /* Number of D/N/Y elements. */
+ char **elv; /* Array of D/N/Y elements */
+};
+
/* Directory attributes. */
struct directory
{
+ struct directory *next;
struct timespec mtime; /* Modification time */
dev_t device_number; /* device number for directory */
ino_t inode_number; /* inode number for directory */
- char *contents; /* Directory contents */
- char *icontents; /* Initial contents if the directory was
+ struct dumpdir *dump; /* Directory contents */
+ struct dumpdir *idump; /* Initial contents if the directory was
rescanned */
enum children children; /* What to save under this directory */
unsigned flags; /* See DIRF_ macros above */
the original directory structure */
const char *tagfile; /* Tag file, if the directory falls under
exclusion_tag_under */
- char name[1]; /* file name of directory */
+ char *caname; /* canonical name */
+ char *name; /* file name of directory */
};
+struct dumpdir *
+dumpdir_create0 (const char *contents, const char *cmask)
+{
+ struct dumpdir *dump;
+ size_t i, total, ctsize, len;
+ char *p;
+ const char *q;
+
+ for (i = 0, total = 0, ctsize = 1, q = contents; *q; total++, q += len)
+ {
+ len = strlen (q) + 1;
+ ctsize += len;
+ if (!cmask || strchr (cmask, *q))
+ i++;
+ }
+ dump = xmalloc (sizeof (*dump) + ctsize);
+ dump->contents = (char*)(dump + 1);
+ memcpy (dump->contents, contents, ctsize);
+ dump->total = total;
+ dump->elc = i;
+ dump->elv = xcalloc (i + 1, sizeof (dump->elv[0]));
+
+ for (i = 0, p = dump->contents; *p; p += strlen (p) + 1)
+ {
+ if (!cmask || strchr (cmask, *p))
+ dump->elv[i++] = p + 1;
+ }
+ dump->elv[i] = NULL;
+ return dump;
+}
+
+struct dumpdir *
+dumpdir_create (const char *contents)
+{
+ return dumpdir_create0 (contents, "YND");
+}
+
+void
+dumpdir_free (struct dumpdir *dump)
+{
+ free (dump->elv);
+ free (dump);
+}
+
+static int
+compare_dirnames (const void *first, const void *second)
+{
+ char const *const *name1 = first;
+ char const *const *name2 = second;
+ return strcmp (*name1, *name2);
+}
+
+/* Locate NAME in the dumpdir array DUMP.
+ Return pointer to the slot in DUMP->contents, or NULL if not found */
+char *
+dumpdir_locate (struct dumpdir *dump, const char *name)
+{
+ char **ptr;
+ if (!dump)
+ return NULL;
+
+ ptr = bsearch (&name, dump->elv, dump->elc, sizeof (dump->elv[0]),
+ compare_dirnames);
+ return ptr ? *ptr - 1: NULL;
+}
+
+struct dumpdir_iter
+{
+ struct dumpdir *dump; /* Dumpdir being iterated */
+ int all; /* Iterate over all entries, not only D/N/Y */
+ size_t next; /* Index of the next element */
+};
+
+char *
+dumpdir_next (struct dumpdir_iter *itr)
+{
+ size_t cur = itr->next;
+ char *ret = NULL;
+
+ if (itr->all)
+ {
+ ret = itr->dump->contents + cur;
+ if (*ret == 0)
+ return NULL;
+ itr->next += strlen (ret) + 1;
+ }
+ else if (cur < itr->dump->elc)
+ {
+ ret = itr->dump->elv[cur] - 1;
+ itr->next++;
+ }
+
+ return ret;
+}
+
+char *
+dumpdir_first (struct dumpdir *dump, int all, struct dumpdir_iter **pitr)
+{
+ struct dumpdir_iter *itr = xmalloc (sizeof (*itr));
+ itr->dump = dump;
+ itr->all = all;
+ itr->next = 0;
+ *pitr = itr;
+ return dumpdir_next (itr);
+}
+
+/* Return size in bytes of the dumpdir array P */
+size_t
+dumpdir_size (const char *p)
+{
+ size_t totsize = 0;
+
+ while (*p)
+ {
+ size_t size = strlen (p) + 1;
+ totsize += size;
+ p += size;
+ }
+ return totsize + 1;
+}
+
+\f
+static struct directory *dirhead, *dirtail;
static Hash_table *directory_table;
static Hash_table *directory_meta_table;
/* Calculate the hash of a directory. */
static size_t
-hash_directory_name (void const *entry, size_t n_buckets)
+hash_directory_canonical_name (void const *entry, size_t n_buckets)
{
struct directory const *directory = entry;
- return hash_string (directory->name, n_buckets);
+ return hash_string (directory->caname, n_buckets);
}
/* Compare two directories for equality of their names. */
static bool
-compare_directory_names (void const *entry1, void const *entry2)
+compare_directory_canonical_names (void const *entry1, void const *entry2)
{
struct directory const *directory1 = entry1;
struct directory const *directory2 = entry2;
- return strcmp (directory1->name, directory2->name) == 0;
+ return strcmp (directory1->caname, directory2->caname) == 0;
}
static size_t
&& directory1->inode_number == directory2->inode_number;
}
-/* Make a directory entry for given NAME */
+/* Make a directory entry for given relative NAME and canonical name CANAME.
+ The latter is "stolen", i.e. the returned directory contains pointer to
+ it. */
static struct directory *
-make_directory (const char *name)
+make_directory (const char *name, char *caname)
{
size_t namelen = strlen (name);
- size_t size = offsetof (struct directory, name) + namelen + 1;
- struct directory *directory = xmalloc (size);
- directory->contents = directory->icontents = NULL;
+ struct directory *directory = xmalloc (sizeof (*directory));
+ directory->next = NULL;
+ directory->dump = directory->idump = NULL;
directory->orig = NULL;
directory->flags = false;
- strcpy (directory->name, name);
- if (namelen && ISSLASH (directory->name[namelen - 1]))
- directory->name[namelen - 1] = 0;
+ if (namelen && ISSLASH (name[namelen - 1]))
+ namelen--;
+ directory->name = xmalloc (namelen + 1);
+ memcpy (directory->name, name, namelen);
+ directory->name[namelen] = 0;
+ directory->caname = caname;
directory->tagfile = NULL;
return directory;
}
+static void
+free_directory (struct directory *dir)
+{
+ free (dir->caname);
+ free (dir->name);
+ free (dir);
+}
+
+static struct directory *
+attach_directory (const char *name)
+{
+ char *cname = normalize_filename (name);
+ struct directory *dir = make_directory (name, cname);
+ if (dirtail)
+ dirtail->next = dir;
+ else
+ dirhead = dir;
+ dirtail = dir;
+ return dir;
+}
+
+\f
+static void
+replace_prefix (char **pname, const char *samp, size_t slen,
+ const char *repl, size_t rlen)
+{
+ char *name = *pname;
+ size_t nlen = strlen (name);
+ if (nlen > slen && memcmp (name, samp, slen) == 0 && ISSLASH (name[slen]))
+ {
+ if (rlen > slen)
+ {
+ name = xrealloc (name, nlen - slen + rlen + 1);
+ *pname = name;
+ }
+ memmove (name + rlen, name + slen, nlen - slen + 1);
+ memcpy (name, repl, rlen);
+ }
+}
+
+void
+dirlist_replace_prefix (const char *pref, const char *repl)
+{
+ struct directory *dp;
+ size_t pref_len = strlen (pref);
+ size_t repl_len = strlen (repl);
+ for (dp = dirhead; dp; dp = dp->next)
+ replace_prefix (&dp->name, pref, pref_len, repl, repl_len);
+}
+
/* Create and link a new directory entry for directory NAME, having a
device number DEV and an inode number INO, with NFS indicating
whether it is an NFS device and FOUND indicating whether we have
found that the directory exists. */
static struct directory *
note_directory (char const *name, struct timespec mtime,
- dev_t dev, ino_t ino, bool nfs, bool found, char *contents)
+ dev_t dev, ino_t ino, bool nfs, bool found,
+ const char *contents)
{
- struct directory *directory = make_directory (name);
+ struct directory *directory = attach_directory (name);
directory->mtime = mtime;
directory->device_number = dev;
if (found)
DIR_SET_FLAG (directory, DIRF_FOUND);
if (contents)
- {
- size_t size = dumpdir_size (contents);
- directory->contents = xmalloc (size);
- memcpy (directory->contents, contents, size);
- }
+ directory->dump = dumpdir_create (contents);
else
- directory->contents = NULL;
+ directory->dump = NULL;
if (! ((directory_table
|| (directory_table = hash_initialize (0, 0,
- hash_directory_name,
- compare_directory_names, 0)))
+ hash_directory_canonical_name,
+ compare_directory_canonical_names, 0)))
&& hash_insert (directory_table, directory)))
xalloc_die ();
return 0;
else
{
- struct directory *dir = make_directory (name);
+ char *caname = normalize_filename (name);
+ struct directory *dir = make_directory (name, caname);
struct directory *ret = hash_lookup (directory_table, dir);
- free (dir);
+ free_directory (dir);
return ret;
}
}
+#if 0
+/* Remove directory entry for the given CANAME */
+void
+remove_directory (const char *caname)
+{
+ struct directory *dir = make_directory (caname, xstrdup (caname));
+ struct directory *ret = hash_delete (directory_table, dir);
+ if (ret)
+ free_directory (ret);
+ free_directory (dir);
+}
+#endif
+
+/* Find a directory entry for NAME. If first OLD_PREFIX_LEN
+ bytes of its name match OLD_PREFIX, replace them with
+ NEW_PREFIX. */
+void
+rebase_directory (const char *name, size_t old_prefix_len,
+ const char *old_prefix,
+ const char *new_prefix)
+{
+ struct directory *dir = find_directory (name);
+ if (dir)
+ {
+ size_t len = strlen (dir->name);
+ if (len > old_prefix_len
+ && memcmp (dir->name, old_prefix, old_prefix_len) == 0)
+ {
+ char *newp = xmalloc (len - old_prefix_len + strlen (new_prefix));
+ strcpy (newp, new_prefix);
+ strcat (newp, dir->name + old_prefix_len);
+ free (dir->name);
+ dir->name = newp;
+ }
+ }
+}
+
/* Return a directory entry for a given combination of device and inode
numbers, or zero if none found. */
static struct directory *
return 0;
else
{
- struct directory *dir = make_directory ("");
+ struct directory *dir = make_directory ("", NULL);
struct directory *ret;
dir->device_number = dev;
dir->inode_number = ino;
ret = hash_lookup (directory_meta_table, dir);
- free (dir);
+ free_directory (dir);
return ret;
}
}
free (p);
}
+#define PD_FORCE_CHILDREN 0x10
+#define PD_FORCE_INIT 0x20
+#define PD_CHILDREN(f) ((f) & 3)
+
static struct directory *
-procdir (char *name_buffer, struct stat *stat_data,
+procdir (const char *name_buffer, struct stat *stat_data,
dev_t device,
- enum children children,
- bool verbose,
+ int flag,
char *entry)
{
struct directory *directory;
if ((directory = find_directory (name_buffer)) != NULL)
{
if (DIR_IS_INITED (directory))
- return directory;
+ {
+ if (flag & PD_FORCE_INIT)
+ {
+ assign_string (&directory->name, name_buffer);
+ }
+ else
+ {
+ *entry = 'N'; /* Avoid duplicating this directory */
+ return directory;
+ }
+ }
+ if (strcmp (directory->name, name_buffer))
+ {
+ *entry = 'N';
+ return directory;
+ }
+
/* With NFS, the same file can have two different devices
if an NFS directory is mounted in multiple locations,
which is relatively common when automounting.
To avoid spurious incremental redumping of
directories, consider all NFS devices as equal,
relying on the i-node to establish differences. */
-
- if (! (((DIR_IS_NFS (directory) & nfs)
+
+ if (! ((!check_device_option
+ || (DIR_IS_NFS (directory) && nfs)
|| directory->device_number == stat_data->st_dev)
&& directory->inode_number == stat_data->st_ino))
{
stat_data->st_ino);
if (d)
{
- if (verbose_option)
- WARN ((0, 0, _("%s: Directory has been renamed from %s"),
- quotearg_colon (name_buffer),
- quote_n (1, d->name)));
- directory->orig = d;
- DIR_SET_FLAG (directory, DIRF_RENAMED);
+ if (strcmp (d->name, name_buffer))
+ {
+ WARNOPT (WARN_RENAME_DIRECTORY,
+ (0, 0,
+ _("%s: Directory has been renamed from %s"),
+ quotearg_colon (name_buffer),
+ quote_n (1, d->name)));
+ directory->orig = d;
+ DIR_SET_FLAG (directory, DIRF_RENAMED);
+ dirlist_replace_prefix (d->name, name_buffer);
+ }
directory->children = CHANGED_CHILDREN;
}
else
{
- if (verbose_option)
- WARN ((0, 0, _("%s: Directory has been renamed"),
- quotearg_colon (name_buffer)));
+ WARNOPT (WARN_RENAME_DIRECTORY,
+ (0, 0, _("%s: Directory has been renamed"),
+ quotearg_colon (name_buffer)));
directory->children = ALL_CHILDREN;
directory->device_number = stat_data->st_dev;
directory->inode_number = stat_data->st_ino;
}
else
directory->children = CHANGED_CHILDREN;
-
+
DIR_SET_FLAG (directory, DIRF_FOUND);
}
else
{
struct directory *d = find_directory_meta (stat_data->st_dev,
stat_data->st_ino);
-
+
directory = note_directory (name_buffer,
get_stat_mtime(stat_data),
stat_data->st_dev,
if (d)
{
- if (verbose)
- WARN ((0, 0, _("%s: Directory has been renamed from %s"),
- quotearg_colon (name_buffer),
- quote_n (1, d->name)));
- directory->orig = d;
- DIR_SET_FLAG (directory, DIRF_RENAMED);
+ if (strcmp (d->name, name_buffer))
+ {
+ WARNOPT (WARN_RENAME_DIRECTORY,
+ (0, 0, _("%s: Directory has been renamed from %s"),
+ quotearg_colon (name_buffer),
+ quote_n (1, d->name)));
+ directory->orig = d;
+ DIR_SET_FLAG (directory, DIRF_RENAMED);
+ dirlist_replace_prefix (d->name, name_buffer);
+ }
directory->children = CHANGED_CHILDREN;
}
else
{
DIR_SET_FLAG (directory, DIRF_NEW);
- if (verbose)
- WARN ((0, 0, _("%s: Directory is new"),
- quotearg_colon (name_buffer)));
+ WARNOPT (WARN_NEW_DIRECTORY,
+ (0, 0, _("%s: Directory is new"),
+ quotearg_colon (name_buffer)));
directory->children =
(listed_incremental_option
|| (OLDER_STAT_TIME (*stat_data, m)
/* ... except if it was explicitely given in the command line */
&& !is_individual_file (name_buffer))
directory->children = NO_CHILDREN;
- else if (children == ALL_CHILDREN)
- directory->children = ALL_CHILDREN;
-
+ else if (flag & PD_FORCE_CHILDREN)
+ {
+ directory->children = PD_CHILDREN(flag);
+ if (directory->children == NO_CHILDREN)
+ *entry = 'N';
+ }
+
DIR_SET_FLAG (directory, DIRF_INIT);
- {
- const char *tag_file_name;
-
- switch (check_exclusion_tags (name_buffer, &tag_file_name))
- {
- case exclusion_tag_all:
- /* This warning can be duplicated by code in dump_file0, but only
- in case when the topmost directory being archived contains
- an exclusion tag. */
- exclusion_tag_warning (name_buffer, tag_file_name,
- _("directory not dumped"));
- if (entry)
- *entry = 'N';
- directory->children = NO_CHILDREN;
- break;
-
- case exclusion_tag_contents:
- exclusion_tag_warning (name_buffer, tag_file_name,
- _("contents not dumped"));
- directory->children = NO_CHILDREN;
- break;
-
- case exclusion_tag_under:
- exclusion_tag_warning (name_buffer, tag_file_name,
- _("contents not dumped"));
- directory->tagfile = tag_file_name;
- break;
-
- case exclusion_tag_none:
- break;
- }
- }
-
- return directory;
-}
-
-/* Locate NAME in the dumpdir array DUMP.
- Return pointer to the slot in the array, or NULL if not found */
-const char *
-dumpdir_locate (const char *dump, const char *name)
-{
- if (dump)
- while (*dump)
- {
- /* Ignore 'R' (rename) and 'X' (tempname) entries, since they break
- alphabetical ordering.
- They normally do not occur in dumpdirs from the snapshot files,
- but this function is also used by purge_directory, which operates
- on a dumpdir from the archive, hence the need for this test. */
- if (!strchr ("RX", *dump))
- {
- int rc = strcmp (dump + 1, name);
- if (rc == 0)
- return dump;
- if (rc > 1)
- break;
- }
- dump += strlen (dump) + 1;
- }
- return NULL;
-}
+ if (directory->children != NO_CHILDREN)
+ {
+ const char *tag_file_name;
-/* Return size in bytes of the dumpdir array P */
-size_t
-dumpdir_size (const char *p)
-{
- size_t totsize = 0;
+ switch (check_exclusion_tags (name_buffer, &tag_file_name))
+ {
+ case exclusion_tag_all:
+ /* This warning can be duplicated by code in dump_file0, but only
+ in case when the topmost directory being archived contains
+ an exclusion tag. */
+ exclusion_tag_warning (name_buffer, tag_file_name,
+ _("directory not dumped"));
+ *entry = 'N';
+ directory->children = NO_CHILDREN;
+ break;
- while (*p)
- {
- size_t size = strlen (p) + 1;
- totsize += size;
- p += size;
+ case exclusion_tag_contents:
+ exclusion_tag_warning (name_buffer, tag_file_name,
+ _("contents not dumped"));
+ directory->children = NO_CHILDREN;
+ break;
+
+ case exclusion_tag_under:
+ exclusion_tag_warning (name_buffer, tag_file_name,
+ _("contents not dumped"));
+ directory->tagfile = tag_file_name;
+ break;
+
+ case exclusion_tag_none:
+ break;
+ }
}
- return totsize + 1;
-}
-static int
-compare_dirnames (const void *first, const void *second)
-{
- char const *const *name1 = first;
- char const *const *name2 = second;
- return strcmp (*name1, *name2);
+ return directory;
}
/* Compare dumpdir array from DIRECTORY with directory listing DIR and
DIR must be returned by a previous call to savedir().
- File names in DIRECTORY->contents must be sorted
+ File names in DIRECTORY->dump->contents must be sorted
alphabetically.
- DIRECTORY->contents is replaced with the created template. Each entry is
+ DIRECTORY->dump is replaced with the created template. Each entry is
prefixed with ' ' if it was present in DUMP and with 'Y' otherwise. */
void
const char *p;
char const **array;
char *new_dump, *new_dump_ptr;
- const char *dump;
+ struct dumpdir *dump;
if (directory->children == ALL_CHILDREN)
dump = NULL;
else if (DIR_IS_RENAMED (directory))
- dump = directory->orig->icontents ?
- directory->orig->icontents : directory->orig->contents;
+ dump = directory->orig->idump ?
+ directory->orig->idump : directory->orig->dump;
else
- dump = directory->contents;
+ dump = directory->dump;
/* Count the size of DIR and the number of elements it contains */
dirsize = 0;
{
if (directory->tagfile)
*new_dump_ptr = strcmp (directory->tagfile, array[i]) == 0 ?
- ' ' : 'I';
+ ' ' : 'I';
else
*new_dump_ptr = ' ';
new_dump_ptr++;
- dump = loc + strlen (loc) + 1;
}
else if (directory->tagfile)
*new_dump_ptr++ = strcmp (directory->tagfile, array[i]) == 0 ?
;
}
*new_dump_ptr = 0;
- directory->icontents = directory->contents;
- directory->contents = new_dump;
+ directory->idump = directory->dump;
+ directory->dump = dumpdir_create0 (new_dump, NULL);
free (array);
}
-/* Recursively scan the given directory. */
-static char *
-scan_directory (char *dir, dev_t device)
+/* Recursively scan the given directory DIR.
+ DEVICE is the device number where DIR resides (for --one-file-system).
+ If CMDLINE is true, the directory name was explicitly listed in the
+ command line. */
+const char *
+scan_directory (char *dir, dev_t device, bool cmdline)
{
char *dirp = savedir (dir); /* for scanning directory */
char *name_buffer; /* directory, `/', and directory member */
size_t name_length; /* used length in name_buffer */
struct stat stat_data;
struct directory *directory;
-
+ char ch;
+
if (! dirp)
savedir_error (dir);
name_buffer_size = strlen (dir) + NAME_FIELD_SIZE;
name_buffer = xmalloc (name_buffer_size + 2);
strcpy (name_buffer, dir);
- if (! ISSLASH (dir[strlen (dir) - 1]))
- strcat (name_buffer, "/");
- name_length = strlen (name_buffer);
-
+ zap_slashes (name_buffer);
+
if (deref_stat (dereference_option, name_buffer, &stat_data))
{
stat_diag (name_buffer);
return NULL;
}
- directory = procdir (name_buffer, &stat_data, device, NO_CHILDREN, false,
- NULL);
+ directory = procdir (name_buffer, &stat_data, device,
+ (cmdline ? PD_FORCE_INIT : 0),
+ &ch);
+
+ name_length = strlen (name_buffer);
+ if (! ISSLASH (name_buffer[name_length - 1]))
+ {
+ name_buffer[name_length] = DIRECTORY_SEPARATOR;
+ /* name_buffer has been allocated an extra slot */
+ name_buffer[++name_length] = 0;
+ }
if (dirp && directory->children != NO_CHILDREN)
{
- char *entry; /* directory entry being scanned */
+ char *entry; /* directory entry being scanned */
size_t entrylen; /* length of directory entry */
+ dumpdir_iter_t itr;
makedumpdir (directory, dirp);
- for (entry = directory->contents;
- (entrylen = strlen (entry)) != 0;
- entry += entrylen + 1)
+ for (entry = dumpdir_first (directory->dump, 1, &itr);
+ entry;
+ entry = dumpdir_next (itr))
{
+ entrylen = strlen (entry);
if (name_buffer_size <= entrylen - 1 + name_length)
{
do
if (S_ISDIR (stat_data.st_mode))
{
+ int pd_flag = 0;
+ if (!recursion_option)
+ pd_flag |= PD_FORCE_CHILDREN | NO_CHILDREN;
+ else if (directory->children == ALL_CHILDREN)
+ pd_flag |= PD_FORCE_CHILDREN | ALL_CHILDREN;
*entry = 'D';
- procdir (name_buffer, &stat_data, device,
- directory->children,
- verbose_option, entry);
+ procdir (name_buffer, &stat_data, device, pd_flag, entry);
}
else if (one_file_system_option && device != stat_data.st_dev)
*entry = 'Y';
}
}
+ free (itr);
}
free (name_buffer);
if (dirp)
free (dirp);
- return directory->contents;
+ return directory->dump ? directory->dump->contents : NULL;
}
-char *
-get_directory_contents (char *dir, dev_t device)
+const char *
+get_directory_contents (char *dir, dev_t device, bool force)
{
- return scan_directory (dir, device);
+ return scan_directory (dir, device, force);
}
\f
obstack_grow (stk, s, strlen (s) + 1);
}
-static bool
-rename_handler (void *data, void *proc_data)
+static void
+store_rename (struct directory *dir, struct obstack *stk)
{
- struct directory *dir = data;
- struct obstack *stk = proc_data;
-
if (DIR_IS_RENAMED (dir))
{
struct directory *prev, *p;
obstack_code_rename (stk, "", prev->name);
}
}
- return true;
}
const char *
{
struct obstack stk;
size_t size;
-
- if (directory_table == NULL)
+ struct directory *dp;
+
+ if (dirhead == NULL)
return dump;
obstack_init (&stk);
else
size = 0;
- hash_do_for_each (directory_table, rename_handler, &stk);
+ for (dp = dirhead; dp; dp = dp->next)
+ store_rename (dp, &stk);
+
if (obstack_object_size (&stk) != size)
{
obstack_1grow (&stk, 0);
int fd;
char *buf = 0;
size_t bufsize;
+ int flags = O_RDWR | O_CREAT;
+ if (incremental_level == 0)
+ flags |= O_TRUNC;
/* Open the file for both read and write. That way, we can write
it later without having to reopen it, and don't have to worry if
we chdir in the meantime. */
- fd = open (listed_incremental_option, O_RDWR | O_CREAT, MODE_RW);
+ fd = open (listed_incremental_option, flags, MODE_RW);
if (fd < 0)
{
open_error (listed_incremental_option);
fwrite (s, strlen (s) + 1, 1, fp);
fwrite (directory->name, strlen (directory->name) + 1, 1, fp);
- if (directory->contents)
+ if (directory->dump)
{
- char *p;
- for (p = directory->contents; *p; p += strlen (p) + 1)
- {
- if (strchr ("YND", *p))
- fwrite (p, strlen (p) + 1, 1, fp);
- }
+ const char *p;
+ dumpdir_iter_t itr;
+
+ for (p = dumpdir_first (directory->dump, 0, &itr);
+ p;
+ p = dumpdir_next (itr))
+ fwrite (p, strlen (p) + 1, 1, fp);
+ free (itr);
}
fwrite ("\0\0", 2, 1, fp);
}
}
if (has_tempdir)
- WARN ((0, 0, _("Malformed dumpdir: 'X' never used")));
+ WARNOPT (WARN_BAD_DUMPDIR,
+ (0, 0, _("Malformed dumpdir: 'X' never used")));
return true;
}
char *current_dir;
char *cur, *arc, *p;
char *temp_stub = NULL;
+ struct dumpdir *dump;
if (!is_dumpdir (¤t_stat_info))
return false;
free (temp_stub);
/* Process deletes */
+ dump = dumpdir_create (current_stat_info.dumpdir);
p = NULL;
for (cur = current_dir; *cur; cur += strlen (cur) + 1)
{
continue;
}
- if (!(entry = dumpdir_locate (current_stat_info.dumpdir, cur))
+ if (!(entry = dumpdir_locate (dump, cur))
|| (*entry == 'D' && !S_ISDIR (st.st_mode))
|| (*entry == 'Y' && S_ISDIR (st.st_mode)))
{
}
}
free (p);
-
+ dumpdir_free (dump);
+
free (current_dir);
return true;
}
projects / chaz / tar / blobdiff