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Define EAF_ORIGINATED and propagate it properly when merging attribute lists.

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This commit is contained in:
Martin Mares 2000-04-17 11:23:05 +00:00
parent 4b03f64b34
commit 51a183af78
2 changed files with 13 additions and 7 deletions
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1
nest/route.h
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@ -298,6 +298,7 @@ typedef struct eattr {
#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 {

19
nest/rt-attr.c
View File

@ -117,7 +117,7 @@ ea_do_sort(ea_list *e)
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? */
@ -125,14 +125,17 @@ ea_do_prune(ea_list *e)
l = e->attrs + e->count;
while (s < l)
{
if ((s->type & EAF_TYPE_MASK) != EAF_TYPE_UNDEF)
{
*d++ = *s;
i++;
}
s++;
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 = *s0;
d->type = (d->type & ~EAF_ORIGINATED) | (s[-1].type & EAF_ORIGINATED);
d++;
i++;
}
}
e->count = i;
}
@ -320,6 +323,8 @@ ea_dump(ea_list *e)
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