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Remove unused ipv6only feature check

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There isn't any system test that uses this feature check.

(cherry picked from commit 789e40bd4c)
This commit is contained in:
Nicki Křížek 2025-12-02 17:05:14 +01:00
parent 50900e2490
commit 69851297ad
1 changed files with 0 additions and 20 deletions
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20
bin/tests/system/feature-test.c
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@ -50,7 +50,6 @@ usage(void) {
fprintf(stderr, "\t--have-json-c\n");
fprintf(stderr, "\t--have-libxml2\n");
fprintf(stderr, "\t--have-openssl-cipher-suites\n");
fprintf(stderr, "\t--ipv6only=no\n");
fprintf(stderr, "\t--md5\n");
fprintf(stderr, "\t--rsasha1\n");
fprintf(stderr, "\t--tsan\n");
@ -218,25 +217,6 @@ main(int argc, char **argv) {
return answer;
}
if (strcmp(argv[1], "--ipv6only=no") == 0) {
#if defined(IPPROTO_IPV6) && defined(IPV6_V6ONLY)
int s;
int n = -1;
int v6only = -1;
socklen_t len = sizeof(v6only);
s = socket(AF_INET6, SOCK_DGRAM, IPPROTO_UDP);
if (s >= 0) {
n = getsockopt(s, IPPROTO_IPV6, IPV6_V6ONLY,
(void *)&v6only, &len);
close(s);
}
return (n == 0 && v6only == 0) ? 0 : 1;
#else /* defined(IPPROTO_IPV6) && defined(IPV6_V6ONLY) */
return 1;
#endif /* defined(IPPROTO_IPV6) && defined(IPV6_V6ONLY) */
}
if (strcasecmp(argv[1], "--rsasha1") == 0) {
int answer;
isc_mem_t *mctx = NULL;