Add support for rdonly keyword in fstab

[Jérôme FRGACIC]

Hi @tech,

I recently realized that the word "rdonly" is not an alias for "ro" in 
the fstab file, which is inconsistent with the mount(1) command. I would 
suggest to add support for it with this small patch.

Index: fstab.c
===================================================================
RCS file: /cvs/src/lib/libc/gen/fstab.c,v
retrieving revision 1.22
diff -u -p -u -r1.22 fstab.c
--- fstab.c     17 Mar 2016 23:48:42 -0000      1.22
+++ fstab.c     14 Jun 2017 17:53:24 -0000
@@ -116,8 +116,6 @@ fstabscan(void)
                strlcpy(subline, _fs_fstab.fs_mntops, sizeof subline);
                for (typexx = 0, cp = strtok_r(subline, ",", &last); cp;
                     cp = strtok_r(NULL, ",", &last)) {
-                       if (strlen(cp) != 2)
-                               continue;
                        if (!strcmp(cp, FSTAB_RW)) {
                                _fs_fstab.fs_type = FSTAB_RW;
                                break;
@@ -127,6 +125,10 @@ fstabscan(void)
                                break;
                        }
                        if (!strcmp(cp, FSTAB_RO)) {
+                               _fs_fstab.fs_type = FSTAB_RO;
+                               break;
+                       }
+                       if (!strcmp(cp, FSTAB_RDONLY)) {
                                _fs_fstab.fs_type = FSTAB_RO;
                                break;
                        }


Kind regards,


Jérôme FRGACIC