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ip/snoopy: sync with ndb/dns

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This commit is contained in:
Jacob Moody 2023-10-23 16:16:02 +00:00
parent 6bc544f3da
commit 5d68e51152
1 changed files with 5 additions and 8 deletions
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13
sys/src/cmd/ip/snoopy/dns.c
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@ -342,11 +342,12 @@ DN*
dnlookup(char *name, int class, int)
{
DN *dn;
int n;
dn = emalloc(sizeof *dn);
dn->name = estrdup(name);
n = strlen(name) + 1;
dn = emalloc(sizeof(*dn) + n);
memmove(dn->name, name, n);
dn->class = class;
dn->magic = DNmagic;
dn->next = alldn;
alldn = dn;
return dn;
@ -359,7 +360,6 @@ freealldn(void)
while(dn = alldn){
alldn = dn->next;
free(dn->name);
free(dn);
}
}
@ -430,7 +430,6 @@ rralloc(int type)
RR *rp;
rp = emalloc(sizeof(*rp));
rp->magic = RRmagic;
rp->pc = getcallerpc(&type);
rp->type = type;
setmalloctag(rp, rp->pc);
@ -482,12 +481,10 @@ rrfree(RR *rp)
RR *nrp;
Txt *t;
assert(rp->magic = RRmagic);
assert(!rp->cached);
dp = rp->owner;
if(dp){
assert(dp->magic == DNmagic);
for(nrp = dp->rr; nrp; nrp = nrp->next)
assert(nrp != rp); /* "rrfree of live rr" */
}
@ -526,6 +523,7 @@ rrfree(RR *rp)
case Tcaa:
free(rp->caa->data);
memset(rp->caa, 0, sizeof *rp->caa); /* cause trouble */
free(rp->caa);
break;
case Ttxt:
while(t = rp->txt){
@ -537,7 +535,6 @@ rrfree(RR *rp)
break;
}
rp->magic = ~rp->magic;
memset(rp, 0, sizeof *rp); /* cause trouble */
free(rp);
}