extern int device_name_translation (char *device, const char *func);
+extern void udev_settle (void);
+
extern int verbose;
/*-- in proto.c --*/
/* Helper for functions which need either an absolute path in the
* mounted filesystem, OR a /dev/ device which exists.
+ *
* NB. Cannot be used for FileIn functions.
+ *
+ * NB #2: Functions which mix filenames and device paths should be
+ * avoided, and existing functions should be deprecated. This is
+ * because we intend in future to make device parameters a distinct
+ * type from filenames.
*/
#define NEED_ROOT_OR_IS_DEVICE(path,errcode) \
do { \
* (2) You must not change directory! cwd must always be "/", otherwise
* we can't escape our own chroot.
* (3) All paths specified must be absolute.
- * (4) CHROOT_OUT does not affect errno.
+ * (4) Neither macro affects errno.
*/
-#define CHROOT_IN chroot ("/sysroot");
-#define CHROOT_OUT \
- do { int old_errno = errno; chroot ("."); errno = old_errno; } while (0)
+#define CHROOT_IN \
+ do { \
+ int __old_errno = errno; \
+ if (chroot ("/sysroot") == -1) \
+ perror ("CHROOT_IN: sysroot"); \
+ errno = __old_errno; \
+ } while (0)
+#define CHROOT_OUT \
+ do { \
+ int __old_errno = errno; \
+ if (chroot (".") == -1) \
+ perror ("CHROOT_OUT: ."); \
+ errno = __old_errno; \
+ } while (0)
/* Marks functions which are not implemented.
* NB. Cannot be used for FileIn functions.