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author | Ulrich Drepper <drepper@redhat.com> | 2008-05-17 19:54:58 +0000 |
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committer | Ulrich Drepper <drepper@redhat.com> | 2008-05-17 19:54:58 +0000 |
commit | 343996c47ca25b7aadd8bcf1f0775841754a8099 (patch) | |
tree | 93cc90778dee4ed73ef5d2f936d1e17b7437016d /resolv/nss_dns/dns-host.c | |
parent | 74e133858878bf14222273726f8b9d72b39df01e (diff) | |
download | glibc-343996c47ca25b7aadd8bcf1f0775841754a8099.tar.gz glibc-343996c47ca25b7aadd8bcf1f0775841754a8099.tar.xz glibc-343996c47ca25b7aadd8bcf1f0775841754a8099.zip |
* resolv/nss_dns/dns-host.c (gaih_getanswer_slice): If there are
no answers return NSS_STATUS_NOTFOUND. (gaih_getanswer): Don't call gaih_getanswer_slice if the answer buffer does not have any content. * nscd/servicescache.c: Likewise.
Diffstat (limited to 'resolv/nss_dns/dns-host.c')
-rw-r--r-- | resolv/nss_dns/dns-host.c | 16 |
1 files changed, 11 insertions, 5 deletions
diff --git a/resolv/nss_dns/dns-host.c b/resolv/nss_dns/dns-host.c index c52f9f7f84..d998ebf4f5 100644 --- a/resolv/nss_dns/dns-host.c +++ b/resolv/nss_dns/dns-host.c @@ -990,6 +990,9 @@ gaih_getanswer_slice (const querybuf *answer, int anslen, const char *qname, char *h_name = NULL; int h_namelen = 0; + if (ancount == 0) + return NSS_STATUS_NOTFOUND; + while (ancount-- > 0 && cp < end_of_message && had_error == 0) { n = __ns_name_unpack (answer->buf, end_of_message, cp, @@ -1164,12 +1167,15 @@ gaih_getanswer (const querybuf *answer1, int anslen1, const querybuf *answer2, { int first = 1; - enum nss_status status = gaih_getanswer_slice(answer1, anslen1, qname, - &pat, &buffer, &buflen, - errnop, h_errnop, ttlp, - &first); + enum nss_status status = NSS_STATUS_NOTFOUND; + + if (anslen1 > 0) + status = gaih_getanswer_slice(answer1, anslen1, qname, + &pat, &buffer, &buflen, + errnop, h_errnop, ttlp, + &first); if ((status == NSS_STATUS_SUCCESS || status == NSS_STATUS_NOTFOUND) - && answer2 != NULL) + && answer2 != NULL && anslen2 > 0) status = gaih_getanswer_slice(answer2, anslen2, qname, &pat, &buffer, &buflen, errnop, h_errnop, ttlp, &first); |