56 lines
1.0 KiB
C
56 lines
1.0 KiB
C
#include <u.h>
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#include <libc.h>
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#include <bio.h>
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#include <ndb.h>
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#include <ip.h>
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/* return list of ip addresses for a name */
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Ndbtuple*
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ndbgetipaddr(Ndb *db, char *val)
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{
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char *attr, *p;
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Ndbtuple *it, *first, *last, *next;
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Ndbs s;
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/* already an IP address? */
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attr = ipattr(val);
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if(strcmp(attr, "ip") == 0){
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it = ndbnew("ip", val);
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it->line = it;
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ndbsetmalloctag(it, getcallerpc(&db));
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return it;
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}
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/* look it up */
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p = ndbgetvalue(db, &s, attr, val, "ip", &it);
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if(p == nil)
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return nil;
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free(p);
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first = last = nil;
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do {
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/* remove the non-ip entries */
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for(; it != nil; it = next){
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next = it->entry;
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if(strcmp(it->attr, "ip") == 0){
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if(first == nil)
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first = it;
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else {
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last->entry = it;
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last->line = it;
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}
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it->entry = nil;
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it->line = first;
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last = it;
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} else {
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it->entry = nil;
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ndbfree(it);
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}
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}
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} while((it = ndbsnext(&s, attr, val)) != nil);
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first = ndbdedup(first);
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ndbsetmalloctag(first, getcallerpc(&db));
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return first;
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}
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