From 52b9b2a1786140c38af03de570b0cc96c835c1d3 Mon Sep 17 00:00:00 2001
From: Ondrej Zajicek <santiago@crfreenet.org>
Date: Mon, 12 Oct 2009 20:44:58 +0200
Subject: Rename as_path_get_last/as_path_get_first to be consistent.

---
 filter/filter.c   |  4 ++--
 nest/a-path.c     | 10 +++++-----
 proto/bgp/attrs.c |  4 ++--
 3 files changed, 9 insertions(+), 9 deletions(-)

diff --git a/filter/filter.c b/filter/filter.c
index 7bcf383..07a25f4 100644
--- a/filter/filter.c
+++ b/filter/filter.c
@@ -734,7 +734,7 @@ interpret(struct f_inst *what)
       runtime( "AS Path expected" );
 
     as = 0;
-    as_path_get_last(v1.val.ad, &as); /* really last */
+    as_path_get_first(v1.val.ad, &as);
     res.type = T_INT;
     res.val.i = as;
     break;
@@ -744,7 +744,7 @@ interpret(struct f_inst *what)
       runtime( "AS path expected" );
 
     as = 0;
-    as_path_get_first(v1.val.ad, &as); /* really first */
+    as_path_get_last(v1.val.ad, &as);
     res.type = T_INT;
     res.val.i = as;
     break;
diff --git a/nest/a-path.c b/nest/a-path.c
index 19d61f0..c804619 100644
--- a/nest/a-path.c
+++ b/nest/a-path.c
@@ -213,7 +213,7 @@ as_path_getlen_int(struct adata *path, int bs)
 }
 
 int
-as_path_get_first(struct adata *path, u32 *orig_as)
+as_path_get_last(struct adata *path, u32 *orig_as)
 {
   int bs = bgp_as4_support ? 4 : 2;
   int found = 0;
@@ -229,8 +229,7 @@ as_path_get_first(struct adata *path, u32 *orig_as)
 	case AS_PATH_SET:
 	  if (len = *p++)
 	    {
-	      found = 1;
-	      res = get_as(p);
+	      found = 0;
 	      p += bs * len;
 	    }
 	  break;
@@ -246,12 +245,13 @@ as_path_get_first(struct adata *path, u32 *orig_as)
 	}
     }
 
-  *orig_as = res;
+  if (found)
+    *orig_as = res;
   return found;
 }
 
 int
-as_path_get_last(struct adata *path, u32 *last_as)
+as_path_get_first(struct adata *path, u32 *last_as)
 {
   u8 *p = path->data;
 
diff --git a/proto/bgp/attrs.c b/proto/bgp/attrs.c
index 831ada5..d839ed0 100644
--- a/proto/bgp/attrs.c
+++ b/proto/bgp/attrs.c
@@ -996,7 +996,7 @@ bgp_get_neighbor(rte *r)
   eattr *e = ea_find(r->attrs->eattrs, EA_CODE(EAP_BGP, BA_AS_PATH));
   u32 as;
 
-  if (e && as_path_get_last(e->u.ptr, &as))
+  if (e && as_path_get_first(e->u.ptr, &as))
     return as;
   else
     return ((struct bgp_proto *) r->attrs->proto)->remote_as;
@@ -1470,7 +1470,7 @@ bgp_get_route_info(rte *e, byte *buf, ea_list *attrs)
   u32 origas;
 
   buf += bsprintf(buf, " (%d) [", e->pref);
-  if (p && as_path_get_first(p->u.ptr, &origas))
+  if (p && as_path_get_last(p->u.ptr, &origas))
     buf += bsprintf(buf, "AS%u", origas);
   if (o)
     buf += bsprintf(buf, "%c", "ie?"[o->u.data]);
-- 
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