bgpd sync with bgpctl

[Claudio Jeker]

This adjusts the bgpd code (which was copied to bgpctl) to be like the
version in bgpctl (after input from tb@).

-- 
:wq Claudio

Index: parse.y
===================================================================
RCS file: /cvs/src/usr.sbin/bgpd/parse.y,v
retrieving revision 1.449
diff -u -p -r1.449 parse.y
--- parse.y     19 Apr 2023 15:27:46 -0000      1.449
+++ parse.y     20 Apr 2023 20:51:23 -0000
@@ -5579,7 +5579,7 @@ static void
 component_finish(int type, uint8_t *data, int len)
 {
        uint8_t *last;
-       int i = 0;
+       int i;
 
        switch (type) {
        case FLOWSPEC_TYPE_DEST:
@@ -5590,6 +5590,7 @@ component_finish(int type, uint8_t *data
                break;
        }
 
+       i= 0;
        do {
                last = data + i;
                i += FLOWSPEC_OP_LEN(*last) + 1;
@@ -5652,7 +5653,7 @@ push_prefix(struct bgpd_addr *addr, uint
 {
        void *data;
        uint8_t *comp;
-       int complen, l = 0;
+       int complen, l;
 
        if (curflow->components[curflow->addr_type] != NULL) {
                yyerror("flowspec address already set");
@@ -5681,10 +5682,11 @@ push_prefix(struct bgpd_addr *addr, uint
                return -1;
        }
 
+       l = 0;
        comp[l++] = len;
        if (curflow->aid == AID_INET6)
                comp[l++] = 0;
-       memcpy(comp + l, data, PREFIX_SIZE(len) - 1);
+       memcpy(comp + l, data, complen - l);
 
        curflow->complen[curflow->addr_type] = complen;
        curflow->components[curflow->addr_type] = comp;