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#include <stdlib.h>
#include <string.h>
#include "xutil.h"
#include "lutil.h"
#include "ftn.h"
#include "falists.h"
/* these calls are too much time consuming */
#define debug(ignored...)
int in_list(addr,fap)
faddr *addr;
fa_list **fap;
{
fa_list *tmp;
debug(8,"Seeking seen-by match for %s",ascinode(addr,0x06));
if (addr->point)
{
debug(8,"No seen-by check for point address");
return 0;
}
for (tmp=*fap;tmp;tmp=tmp->next)
if ((tmp->addr->net == addr->net) &&
(tmp->addr->node == addr->node))
{
debug(8,"Match found");
return 1;
}
debug(8,"Match not found");
return 0;
}
void fill_list(fap,str,omit)
fa_list **fap;
char *str;
fa_list **omit;
{
fa_list *tmp;
faddr *ta;
static unsigned int oldzone=0, oldnet=0, oldnode=0;
char *buf,*p,*q,*r;
int allowskip=1;
if ((str == NULL) || (*str == '\0'))return;
debug(8,"fill_list %s",str);
buf=xstrcpy(str);
r=buf+strlen(buf);
for (p=strtok(buf," \t\n"),q=p+strlen(p)+1;
p;
p=(q<r)?strtok(q," \t\n"):NULL,q=p?p+strlen(p)+1:r)
if ((ta=parsefnode(p)))
{
if (ta->zone == 0) ta->zone=oldzone;
else oldzone=ta->zone;
if (ta->net == 0) ta->net=oldnet;
else oldnet=ta->net;
if ((ta->point != 0) && (ta->node == 0)) ta->node=oldnode;
else oldnode=ta->node;
if (allowskip && omit && *omit && (metric(ta,(*omit)->addr) == 0))
{
debug(8,"omit %s",ascfnode(ta,0x1f));
tmp=*omit;
*omit=(*omit)->next;
tmp->next=NULL;
tidy_falist(&tmp);
}
else
{
debug(8,"add %s",ascfnode(ta,0x1f));
allowskip=0;
tmp=(fa_list *)xmalloc(sizeof(fa_list));
tmp->next=*fap;
tmp->addr=ta;
*fap=tmp;
}
}
free(buf);
oldzone=0;
for (tmp=*fap;tmp;tmp=tmp->next)
debug(8,"fill_list returns: %s",ascfnode(tmp->addr,0x06));
return;
}
void fill_rlist(fap,str)
fa_list **fap;
char *str;
{
fa_list *tmp;
faddr *ta;
static unsigned int oldnet;
char *buf,*p,*q;
if ((str == NULL) || (*str == '\0')) return;
debug(8,"fill_rlist %s",str);
buf=xstrcpy(str);
for (p=buf,q=strchr(p,'!');*p;p=q,q=strchr(p,'!'))
{
if (q) *q++='\0';
else q=p+strlen(p);
if ((ta=parsefaddr(p)))
{
if (ta->net == 0) ta->net=oldnet;
else oldnet=ta->net;
tmp=(fa_list *)xmalloc(sizeof(fa_list));
tmp->next=*fap;
tmp->addr=ta;
*fap=tmp;
}
}
free(buf);
for (tmp=*fap;tmp;tmp=tmp->next)
debug(8,"fill_rlist returns: %s",ascfnode(tmp->addr,0x06));
return;
}
void fill_path(fap,str)
fa_list **fap;
char *str;
{
fa_list **tmp;
faddr *ta;
static unsigned int oldnet;
char *buf,*p,*q,*r;
if ((str == NULL) || (*str == '\0')) return;
debug(8,"fill_path %s",str);
buf=xstrcpy(str);
for (tmp=fap;*tmp;tmp=&((*tmp)->next)) /*nothing*/;
r=buf+strlen(buf);
for (p=strtok(buf," \t\n"),q=p+strlen(p)+1;
p;
p=(q<r)?strtok(q," \t\n"):NULL,q=p?p+strlen(p)+1:r)
if ((ta=parsefnode(p)))
{
if (ta->net == 0) ta->net=oldnet;
else oldnet=ta->net;
*tmp=(fa_list *)xmalloc(sizeof(fa_list));
(*tmp)->next=NULL;
(*tmp)->addr=ta;
tmp=&((*tmp)->next);
}
free(buf);
for (tmp=fap;*tmp;tmp=&((*tmp)->next))
debug(8,"fill_path returns: %s",ascfnode((*tmp)->addr,0x06));
return;
}
int compaddr(fa_list **,fa_list **);
void uniq_list(fap)
fa_list **fap;
{
fa_list *ta,*tan;
debug(8,"uniq_list beginning from %s",
*fap?ascinode((*fap)->addr,0x06):"<null>");
for (ta=*fap;ta;ta=ta->next)
{
while ((tan=ta->next) && (compaddr(&ta,&tan) == 0))
{
ta->next=tan->next;
tidy_faddr(tan->addr);
free(tan);
}
ta->next=tan;
debug(8,"path addr after unique: %s",
ascfnode(ta->addr,0x06));
}
}
void sort_list(fap)
fa_list **fap;
{
fa_list *ta,**vector;
size_t n=0,i;
debug(8,"sort_list beginning from %s",
*fap?ascinode((*fap)->addr,0x06):"<null>");
for (ta=*fap;ta;ta=ta->next) n++;
vector=(fa_list **)xmalloc(n * sizeof(fa_list *));
debug(8,"Sorting %d seen-by entries",n);
i=0;
for (ta=*fap;ta;ta=ta->next)
{
vector[i++]=ta;
debug(8,"seen-by addr before sort: %s",
ascfnode(ta->addr,0x06));
}
qsort(vector,n,sizeof(faddr*),
(int(*)(const void*,const void*))compaddr);
for (i=0;i<n;i++)
debug(8,"seen-by addr after sort: %s",
ascfnode(vector[i]->addr,0x06));
(*fap)=vector[0];
i=1;
for (ta=*fap;ta;ta=ta->next)
{
while ((i < n) && (compaddr(&ta,&(vector[i])) == 0))
{
tidy_faddr((vector[i])->addr);
free(vector[i]);
i++;
}
if (i < n) ta->next=vector[i++];
else ta->next=NULL;
debug(8,"seen-by addr after unique: %s",
ascfnode(ta->addr,0x06));
}
free(vector);
return;
}
int compaddr(fap1,fap2)
fa_list **fap1,**fap2;
{
if ((*fap1)->addr->net != (*fap2)->addr->net)
return ((*fap1)->addr->net - (*fap2)->addr->net);
else
return ((*fap1)->addr->node - (*fap2)->addr->node);
}
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