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resolv: Remove support for RES_USE_INET6 and the inet6 option

This functionality was deprecated in glibc 2.25.

This commit only includes the core changes to remove the
functionality.  It does not remove the RES_USE_INET6 handling in the
individual NSS service modules and the res_use_inet6 function.
These changes will happen in future commits.
This commit is contained in:
Florian Weimer
2019-04-08 10:40:31 +02:00
parent 94e358f6d4
commit 3f8b44be0a
15 changed files with 61 additions and 680 deletions

View File

@@ -24,7 +24,6 @@
#include <errno.h>
#include <gnu/lib-names.h>
#include <netdb.h>
#include <resolv/resolv-internal.h> /* For DEPRECATED_RES_USE_INET6. */
#include <resolv/resolv_context.h>
#include <stdio.h>
#include <stdlib.h>
@@ -120,7 +119,6 @@ print_resp (FILE *fp, res_state resp)
if (resp->retry != RES_DFLRETRY)
fprintf (fp, " attempts:%d", resp->retry);
print_option_flag (fp, &options, RES_USEVC, "use-vc");
print_option_flag (fp, &options, DEPRECATED_RES_USE_INET6, "inet6");
print_option_flag (fp, &options, RES_ROTATE, "rotate");
print_option_flag (fp, &options, RES_USE_EDNS0, "edns0");
print_option_flag (fp, &options, RES_SNGLKUP,
@@ -560,7 +558,7 @@ struct test_case test_cases[] =
"nameserver 192.0.2.1\n"
"nameserver ::1\n"
"nameserver 192.0.2.2\n",
.expected = "options ndots:3 timeout:19 attempts:5 inet6 edns0\n"
.expected = "options ndots:3 timeout:19 attempts:5 edns0\n"
"search corp.example.com example.com\n"
"; search[0]: corp.example.com\n"
"; search[1]: example.com\n"