extern struct file_list *the_file_list;
extern struct filter_list_struct server_filter_list;
+int ignore_perishable = 0;
+int non_perishable_cnt = 0;
+
static int deletion_count = 0; /* used to implement --max-delete */
-/* For calling delete_file() */
-#define DEL_FORCE_RECURSE (1<<1) /* recurse even w/o --force */
-#define DEL_TERSE (1<<3)
+/* For calling delete_item() and delete_dir_contents(). */
+#define DEL_RECURSE (1<<1) /* recurse */
+#define DEL_DIR_IS_EMPTY (1<<2) /* internal delete_FUNCTIONS use only */
enum nonregtype {
TYPE_DIR, TYPE_SPECIAL, TYPE_DEVICE, TYPE_SYMLINK
};
+enum delret {
+ DR_SUCCESS = 0, DR_FAILURE, DR_AT_LIMIT, DR_NOT_EMPTY
+};
+
+/* Forward declaration for delete_item(). */
+static enum delret delete_dir_contents(char *fname, int flags);
+
+
static int is_backup_file(char *fn)
{
int k = strlen(fn) - backup_suffix_len;
return k > 0 && strcmp(fn+k, backup_suffix) == 0;
}
-
-/* Delete a file or directory. If DEL_FORCE_RECURSE is set in the flags, or if
- * force_delete is set, this will delete recursively.
+/* Delete a file or directory. If DEL_RECURSE is set in the flags, this will
+ * delete recursively.
*
* Note that fname must point to a MAXPATHLEN buffer if the mode indicates it's
* a directory! (The buffer is used for recursion, but returned unchanged.)
*/
-static int delete_item(char *fname, int mode, int flags)
+static enum delret delete_item(char *fname, int mode, char *replace, int flags)
{
- struct file_list *dirlist;
- int j, dlen, zap_dir, ok;
- unsigned remainder;
- void *save_filters;
- char *p;
+ enum delret ret;
+ char *what;
+ int ok;
- if (!S_ISDIR(mode)) {
- if (max_delete && ++deletion_count > max_delete)
- return 0;
- if (make_backups && (backup_dir || !is_backup_file(fname)))
- ok = make_backup(fname);
- else
- ok = robust_unlink(fname) == 0;
- if (ok) {
- if (!(flags & DEL_TERSE))
- log_delete(fname, mode);
- return 0;
- }
- if (errno == ENOENT) {
- deletion_count--;
- return 0;
- }
- rsyserr(FERROR, errno, "delete_file: unlink %s failed",
- full_fname(fname));
- return -1;
+ if (verbose > 2) {
+ rprintf(FINFO, "delete_item(%s) mode=%o flags=%d\n",
+ fname, mode, flags);
}
- zap_dir = flags & DEL_FORCE_RECURSE || force_delete;
- if ((max_delete && ++deletion_count > max_delete)
- || (dry_run && zap_dir)) {
- ok = 0;
- errno = ENOTEMPTY;
- } else if (make_backups && !backup_dir && !is_backup_file(fname)
- && !(flags & DEL_FORCE_RECURSE))
- ok = make_backup(fname);
- else
+ if (S_ISDIR(mode) && !(flags & DEL_DIR_IS_EMPTY)) {
+ ignore_perishable = 1;
+ /* If DEL_RECURSE is not set, this just reports emptiness. */
+ ret = delete_dir_contents(fname, flags);
+ ignore_perishable = 0;
+ if (ret == DR_NOT_EMPTY || ret == DR_AT_LIMIT)
+ goto check_ret;
+ /* OK: try to delete the directory. */
+ }
+
+ if (!replace && max_delete >= 0 && ++deletion_count > max_delete)
+ return DR_AT_LIMIT;
+
+ if (S_ISDIR(mode)) {
+ what = "rmdir";
ok = do_rmdir(fname) == 0;
+ } else if (make_backups && (backup_dir || !is_backup_file(fname))) {
+ what = "make_backup";
+ ok = make_backup(fname);
+ } else {
+ what = "unlink";
+ ok = robust_unlink(fname) == 0;
+ }
+
if (ok) {
- if (!(flags & DEL_TERSE))
+ if (!replace)
log_delete(fname, mode);
- return 0;
+ ret = DR_SUCCESS;
+ } else {
+ if (S_ISDIR(mode) && errno == ENOTEMPTY) {
+ rprintf(FINFO, "cannot delete non-empty directory: %s\n",
+ fname);
+ ret = DR_NOT_EMPTY;
+ } else if (errno != ENOENT) {
+ rsyserr(FERROR, errno, "delete_file: %s(%s) failed",
+ what, full_fname(fname));
+ ret = DR_FAILURE;
+ } else {
+ deletion_count--;
+ ret = DR_SUCCESS;
+ }
}
- if (errno == ENOENT) {
- deletion_count--;
- return 0;
+
+ check_ret:
+ if (replace && ret != DR_SUCCESS) {
+ rprintf(FERROR, "could not make way for new %s: %s\n",
+ replace, fname);
}
- if (!zap_dir) {
- rsyserr(FERROR, errno, "delete_file: rmdir %s failed",
- full_fname(fname));
- return -1;
+ return ret;
+}
+
+/* The directory is about to be deleted: if DEL_RECURSE is given, delete all
+ * its contents, otherwise just checks for content. Returns DR_SUCCESS or
+ * DR_NOT_EMPTY. Note that fname must point to a MAXPATHLEN buffer! (The
+ * buffer is used for recursion, but returned unchanged.)
+ */
+static enum delret delete_dir_contents(char *fname, int flags)
+{
+ struct file_list *dirlist;
+ enum delret ret;
+ unsigned remainder;
+ void *save_filters;
+ int j, dlen;
+ char *p;
+
+ if (verbose > 3) {
+ rprintf(FINFO, "delete_dir_contents(%s) flags=%d\n",
+ fname, flags);
}
- flags |= DEL_FORCE_RECURSE; /* mark subdir dels as not "in the way" */
- deletion_count--;
dlen = strlen(fname);
save_filters = push_local_filters(fname, dlen);
+ non_perishable_cnt = 0;
dirlist = get_dirlist(fname, dlen, 0);
+ ret = non_perishable_cnt ? DR_NOT_EMPTY : DR_SUCCESS;
+
+ if (!dirlist->count)
+ goto done;
+
+ if (!(flags & DEL_RECURSE)) {
+ ret = DR_NOT_EMPTY;
+ goto done;
+ }
p = fname + dlen;
if (dlen != 1 || *fname != '/')
*p++ = '/';
remainder = MAXPATHLEN - (p - fname);
+ /* We do our own recursion, so make delete_item() non-recursive. */
+ flags = (flags & ~DEL_RECURSE) | DEL_DIR_IS_EMPTY;
+
for (j = dirlist->count; j--; ) {
struct file_struct *fp = dirlist->files[j];
- if (fp->flags & FLAG_MOUNT_POINT)
+ if (fp->flags & FLAG_MOUNT_POINT) {
+ if (verbose > 1) {
+ rprintf(FINFO,
+ "mount point, %s, pins parent directory\n",
+ f_name(fp, NULL));
+ }
+ ret = DR_NOT_EMPTY;
continue;
+ }
strlcpy(p, fp->basename, remainder);
- delete_item(fname, fp->mode, flags & ~DEL_TERSE);
+ /* Save stack by recursing to ourself directly. */
+ if (S_ISDIR(fp->mode)
+ && delete_dir_contents(fname, flags | DEL_RECURSE) != DR_SUCCESS)
+ ret = DR_NOT_EMPTY;
+ if (delete_item(fname, fp->mode, NULL, flags) != DR_SUCCESS)
+ ret = DR_NOT_EMPTY;
}
- flist_free(dirlist);
fname[dlen] = '\0';
+ done:
+ flist_free(dirlist);
pop_local_filters(save_filters);
- if (max_delete && ++deletion_count > max_delete)
- return 0;
-
- if (do_rmdir(fname) == 0) {
- if (!(flags & DEL_TERSE))
- log_delete(fname, mode);
- } else if (errno != ENOTEMPTY && errno != EEXIST && errno != ENOENT) {
- rsyserr(FERROR, errno, "delete_file: rmdir %s failed",
- full_fname(fname));
- return -1;
+ if (ret == DR_NOT_EMPTY) {
+ rprintf(FINFO, "cannot delete non-empty directory: %s\n",
+ fname);
}
-
- return 0;
+ return ret;
}
* from the filesystem. */
for (i = dirlist->count; i--; ) {
struct file_struct *fp = dirlist->files[i];
- if (!fp->basename || fp->flags & FLAG_MOUNT_POINT)
+ if (!fp->basename)
continue;
+ if (fp->flags & FLAG_MOUNT_POINT) {
+ if (verbose > 1)
+ rprintf(FINFO, "cannot delete mount point: %s\n",
+ f_name(fp, NULL));
+ continue;
+ }
if (flist_find(flist, fp) < 0) {
f_name(fp, delbuf);
- delete_item(delbuf, fp->mode, DEL_FORCE_RECURSE);
+ delete_item(delbuf, fp->mode, NULL, DEL_RECURSE);
}
}
}
void itemize(struct file_struct *file, int ndx, int statret, STRUCT_STAT *st,
- int32 iflags, uchar fnamecmp_type, char *xname)
+ int32 iflags, uchar fnamecmp_type, const char *xname)
{
if (statret >= 0) { /* A from-dest-dir statret can == 1! */
int keep_time = !preserve_times ? 0
sum->flength = len;
sum->blength = blength;
sum->s2length = s2length;
- sum->remainder = len % blength;
- sum->count = len / blength + (sum->remainder != 0);
+ sum->remainder = (int32)(len % blength);
+ sum->count = (int32)(len / blength) + (sum->remainder != 0);
if (sum->count && verbose > 2) {
rprintf(FINFO,
enum logcode code, int f_out)
{
static int missing_below = -1, excluded_below = -1;
- static char *parent_dirname = "";
+ static const char *parent_dirname = "";
static struct file_list *fuzzy_dirlist = NULL;
static int need_fuzzy_dirlist = 0;
struct file_struct *fuzzy_file = NULL;
char *fnamecmp, *partialptr, *backupptr = NULL;
char fnamecmpbuf[MAXPATHLEN];
uchar fnamecmp_type;
- int del_opts = DEL_TERSE | (delete_mode ? DEL_FORCE_RECURSE : 0);
+ int del_opts = delete_mode || force_delete ? DEL_RECURSE : 0;
if (list_only)
return;
statret = -1;
stat_errno = ENOENT;
} else {
- char *dn = file->dirname ? file->dirname : ".";
+ const char *dn = file->dirname ? file->dirname : ".";
if (parent_dirname != dn && strcmp(parent_dirname, dn) != 0) {
if (relative_paths && !implied_dirs
&& do_stat(dn, &st) < 0
parent_dirname = dn;
if (need_fuzzy_dirlist && S_ISREG(file->mode)) {
- fuzzy_dirlist = get_dirlist(dn, -1, 1);
+ strlcpy(fnamecmpbuf, dn, sizeof fnamecmpbuf);
+ fuzzy_dirlist = get_dirlist(fnamecmpbuf, -1, 1);
need_fuzzy_dirlist = 0;
}
* we need to delete it. If it doesn't exist, then
* (perhaps recursively) create it. */
if (statret == 0 && !S_ISDIR(st.st_mode)) {
- if (delete_item(fname, st.st_mode, del_opts) < 0)
+ if (delete_item(fname, st.st_mode, "directory", del_opts) != 0)
return;
statret = -1;
}
}
/* Not the right symlink (or not a symlink), so
* delete it. */
- if (delete_item(fname, st.st_mode, del_opts) < 0)
+ if (delete_item(fname, st.st_mode, "symlink", del_opts) != 0)
return;
} else if (basis_dir[0] != NULL) {
int j = try_dests_non(file, fname, ndx, fnamecmpbuf, &st,
if ((am_root && preserve_devices && IS_DEVICE(file->mode))
|| (preserve_specials && IS_SPECIAL(file->mode))) {
if (statret == 0) {
- if ((IS_DEVICE(file->mode) && !IS_DEVICE(st.st_mode))
- || (IS_SPECIAL(file->mode) && !IS_SPECIAL(st.st_mode)))
- statret = -1;
- else if ((st.st_mode & ~CHMOD_BITS) == (file->mode & ~CHMOD_BITS)
- && st.st_rdev == file->u.rdev) {
+ char *t;
+ if (IS_DEVICE(file->mode)) {
+ if (!IS_DEVICE(st.st_mode))
+ statret = -1;
+ t = "device file";
+ } else {
+ if (!IS_SPECIAL(st.st_mode))
+ statret = -1;
+ t = "special file";
+ }
+ if (statret == 0
+ && (st.st_mode & ~CHMOD_BITS) == (file->mode & ~CHMOD_BITS)
+ && st.st_rdev == file->u.rdev) {
/* The device or special file is identical. */
if (itemizing)
itemize(file, ndx, 0, &st, 0, 0, NULL);
goto return_with_success;
return;
}
- if (delete_item(fname, st.st_mode, del_opts) < 0)
+ if (delete_item(fname, st.st_mode, t, del_opts) != 0)
return;
} else if (basis_dir[0] != NULL) {
int j = try_dests_non(file, fname, ndx, fnamecmpbuf, &st,
fnamecmp_type = FNAMECMP_FNAME;
if (statret == 0 && !S_ISREG(st.st_mode)) {
- if (delete_item(fname, st.st_mode, del_opts) != 0)
+ if (delete_item(fname, st.st_mode, "regular file", del_opts) != 0)
return;
statret = -1;
stat_errno = ENOENT;
}
recv_generator(NULL, NULL, 0, 0, 0, code, -1);
- if (max_delete > 0 && deletion_count > max_delete) {
+ if (max_delete >= 0 && deletion_count > max_delete) {
rprintf(FINFO,
"Deletions stopped due to --max-delete limit (%d skipped)\n",
deletion_count - max_delete);
Matt McCutchen's Web Site / rsync / rsync.git / blobdiff