mirror of
https://github.com/unrealircd/unrealircd.git
synced 2026-07-03 20:23:12 +02:00
griever
34 lines
571 B
C
34 lines
571 B
C
#include <sys/types.h>
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#include <stdio.h>
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#include "nameser.h"
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#include "common.h"
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/*
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* Skip over a compressed domain name. Return the size or -1.
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*/
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int dn_skipname(u_char *comp_dn, u_char *eom)
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{
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register u_char *cp;
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register int n;
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cp = comp_dn;
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while (cp < eom && (n = *cp++))
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{
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/*
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* check for indirection
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*/
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switch (n & INDIR_MASK)
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{
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case 0: /* normal case, n == len */
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cp += n;
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continue;
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default: /* illegal type */
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return (-1);
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case INDIR_MASK: /* indirection */
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cp++;
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}
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break;
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}
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return (cp - comp_dn);
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}
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