* which case "ret_path" will be returned as NULL. If not possible a the tempoary path name used is returned in
* "ret_path". Use link_tmpfile() below to rename the result after writing the file in full. */
- {
- _cleanup_free_ char *dn = NULL;
-
- dn = dirname_malloc(target);
- if (!dn)
- return -ENOMEM;
-
- fd = open(dn, O_TMPFILE|flags, 0640);
- if (fd >= 0) {
- *ret_path = NULL;
- return fd;
- }
-
- log_debug_errno(errno, "Failed to use O_TMPFILE on %s: %m", dn);
+ fd = open_parent(target, O_TMPFILE|flags, 0640);
+ if (fd >= 0) {
+ *ret_path = NULL;
+ return fd;
}
+ log_debug_errno(fd, "Failed to use O_TMPFILE for %s: %m", target);
+
r = tempfn_random(target, NULL, &tmp);
if (r < 0)
return r;
}
int fsync_directory_of_file(int fd) {
- _cleanup_free_ char *path = NULL, *dn = NULL;
+ _cleanup_free_ char *path = NULL;
_cleanup_close_ int dfd = -1;
int r;
if (!path_is_absolute(path))
return -EINVAL;
- dn = dirname_malloc(path);
- if (!dn)
- return -ENOMEM;
-
- dfd = open(dn, O_RDONLY|O_CLOEXEC|O_DIRECTORY);
+ dfd = open_parent(path, O_CLOEXEC, 0);
if (dfd < 0)
- return -errno;
+ return dfd;
if (fsync(dfd) < 0)
return -errno;
/* flags can be AT_SYMLINK_FOLLOW or 0 */
int path_is_mount_point(const char *t, const char *root, int flags) {
- _cleanup_free_ char *canonical = NULL, *parent = NULL;
+ _cleanup_free_ char *canonical = NULL;
_cleanup_close_ int fd = -1;
int r;
t = canonical;
}
- parent = dirname_malloc(t);
- if (!parent)
- return -ENOMEM;
-
- fd = openat(AT_FDCWD, parent, O_DIRECTORY|O_CLOEXEC|O_PATH);
+ fd = open_parent(t, O_PATH|O_CLOEXEC, 0);
if (fd < 0)
return -errno;
#include "export-raw.h"
#include "fd-util.h"
#include "fileio.h"
+#include "fs-util.h"
#include "import-common.h"
#include "missing.h"
#include "ratelimit.h"
}
static int reflink_snapshot(int fd, const char *path) {
- char *p, *d;
int new_fd, r;
- p = strdupa(path);
- d = dirname(p);
-
- new_fd = open(d, O_TMPFILE|O_CLOEXEC|O_NOCTTY|O_RDWR, 0600);
+ new_fd = open_parent(path, O_TMPFILE|O_CLOEXEC|O_RDWR, 0600);
if (new_fd < 0) {
_cleanup_free_ char *t = NULL;
}
int bus_machine_method_copy(sd_bus_message *message, void *userdata, sd_bus_error *error) {
- const char *src, *dest, *host_path, *container_path, *host_basename, *host_dirname, *container_basename, *container_dirname;
+ const char *src, *dest, *host_path, *container_path, *host_basename, *container_basename, *container_dirname;
_cleanup_close_pair_ int errno_pipe_fd[2] = { -1, -1 };
CopyFlags copy_flags = COPY_REFLINK|COPY_MERGE;
_cleanup_close_ int hostfd = -1;
}
host_basename = basename(host_path);
- t = strdupa(host_path);
- host_dirname = dirname(t);
container_basename = basename(container_path);
t = strdupa(container_path);
container_dirname = dirname(t);
- hostfd = open(host_dirname, O_CLOEXEC|O_RDONLY|O_NOCTTY|O_DIRECTORY);
+ hostfd = open_parent(host_path, O_CLOEXEC, 0);
if (hostfd < 0)
- return sd_bus_error_set_errnof(error, errno, "Failed to open host directory %s: %m", host_dirname);
+ return sd_bus_error_set_errnof(error, hostfd, "Failed to open host directory %s: %m", host_path);
if (pipe2(errno_pipe_fd, O_CLOEXEC|O_NONBLOCK) < 0)
return sd_bus_error_set_errnof(error, errno, "Failed to create pipe: %m");