I have a change that pleases me aesthetically. Can you tell me if this
works? (The indentation in the patch is all messed up by cut&paste in this
message.)
Index: dir-lookup.c
===================================================================
RCS file: /cvs/hurd/libdiskfs/dir-lookup.c,v
retrieving revision 1.46
diff -u -b -p -r1.46 dir-lookup.c
--- dir-lookup.c 2001/06/16 20:23:09 1.46
+++ dir-lookup.c 2001/06/19 22:34:54
@@ -338,7 +338,12 @@ diskfs_S_dir_lookup (struct protid *dirc
dircred, &amt);
if (error)
goto out;
+ assert (amt == np->dn_stat.st_size);
+ if (np->dn_stat.st_size == 0) /* symlink to "" */
+ path = nextname ?: "";
+ else
+ {
if (nextname)
{
pathbuf[np->dn_stat.st_size] = '/';
@@ -355,8 +360,9 @@ diskfs_S_dir_lookup (struct protid *dirc
strcpy (retryname, pathbuf);
goto out;
}
-
path = pathbuf;
+ }
+
if (lastcomp)
{
lastcomp = 0;
@@ -364,8 +370,14 @@ diskfs_S_dir_lookup (struct protid *dirc
creation, so clear the flag here. */
create = 0;
}
+
diskfs_nput (np);
np = 0;
+
+ /* A symlink to "" just loops back to the containing directory,
+ so that is a valid value for PATH right now. Short-circuit
+ the end-of-loop test. */
+ continue;
}
else
{
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