+/* Create mtab with a root entry. */
+static void
+create_mtab (void) {
+ struct mntentchn *fstab;
+ struct mntent mnt;
+ int flags;
+ mntFILE *mfp;
+
+ lock_mtab();
+
+ mfp = nfs_setmntent (MOUNTED, "a+");
+ if (mfp == NULL || mfp->mntent_fp == NULL) {
+ int errsv = errno;
+ die (EX_FILEIO, _("mount: can't open %s for writing: %s"),
+ MOUNTED, strerror (errsv));
+ }
+
+ /* Find the root entry by looking it up in fstab */
+ if ((fstab = getfsfile ("/")) || (fstab = getfsfile ("root"))) {
+ char *extra_opts;
+ parse_opts (fstab->m.mnt_opts, &flags, &extra_opts);
+ mnt.mnt_dir = "/";
+ mnt.mnt_fsname = xstrdup(fstab->m.mnt_fsname);
+ mnt.mnt_type = fstab->m.mnt_type;
+ mnt.mnt_opts = fix_opts_string (flags, extra_opts);
+ mnt.mnt_freq = mnt.mnt_passno = 0;
+ free(extra_opts);
+
+ if (nfs_addmntent (mfp, &mnt) == 1) {
+ int errsv = errno;
+ die (EX_FILEIO, _("mount: error writing %s: %s"),
+ _PATH_MOUNTED, strerror (errsv));
+ }
+ }
+ if (fchmod (fileno (mfp->mntent_fp), 0644) < 0)
+ if (errno != EROFS) {
+ int errsv = errno;
+ die (EX_FILEIO,
+ _("mount: error changing mode of %s: %s"),
+ _PATH_MOUNTED, strerror (errsv));
+ }
+ nfs_endmntent (mfp);
+
+ unlock_mtab();
+
+ reset_mtab_info();
+}
+