#define EAF_TYPE_UNDEF 0x0f /* `force undefined' entry */
#define EAF_EMBEDDED 0x01 /* Data stored in eattr.u.data (part of type spec) */
#define EAF_VAR_LENGTH 0x02 /* Attribute length is variable (part of type spec) */
+#define EAF_ORIGINATED 0x40 /* The attribute has originated locally */
#define EAF_TEMP 0x80 /* A temporary attribute (the one stored in the tmp attr list) */
struct adata {
static inline void
ea_do_prune(ea_list *e)
{
- eattr *s, *d, *l;
+ eattr *s, *d, *l, *s0;
int i = 0;
/* Discard duplicates and undefs. Do you remember sorting was stable? */
l = e->attrs + e->count;
while (s < l)
{
- if ((s->type & EAF_TYPE_MASK) != EAF_TYPE_UNDEF)
+ s0 = s++;
+ while (s < l && s->id == s[-1].id)
+ s++;
+ /* s0 is the most recent version, s[-1] the oldest one */
+ if ((s0->type & EAF_TYPE_MASK) != EAF_TYPE_UNDEF)
{
- *d++ = *s;
+ *d = *s0;
+ d->type = (d->type & ~EAF_ORIGINATED) | (s[-1].type & EAF_ORIGINATED);
+ d++;
i++;
}
- s++;
- while (s < l && s->id == s[-1].id)
- s++;
}
e->count = i;
}
if (a->type & EAF_TEMP)
debug("T");
debug("=%c", "?iO?I?P???S?????" [a->type & EAF_TYPE_MASK]);
+ if (a->type & EAF_ORIGINATED)
+ debug("o");
if (a->type & EAF_EMBEDDED)
debug(":%08x", a->u.data);
else