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resolv: Deprecate RES_BLAST

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This commit is contained in:
Florian Weimer 2016-12-31 19:08:39 +01:00
parent b76e065991
commit bbe989ee87
5 changed files with 13 additions and 7 deletions
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7
ChangeLog
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@ -1,3 +1,10 @@
2016-12-31 Florian Weimer <fweimer@redhat.com>
* resolv/resolv.h (RES_BLAST): Deprecate.
* resolv/res_debug.c (p_option): Remove RES_BLAST.
* resolv/res_send.c (__libc_res_nsend): Remove vestigial reference
to RES_BLAST.
2016-12-27 Florian Weimer <fweimer@redhat.com>
[BZ #19582]

6
NEWS
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@ -144,9 +144,9 @@ Version 2.25
backwards-incompatible DNS extension which was never deployed on the
Internet.
* The flags RES_AAONLY, RES_PRIMARY, RES_NOCHECKNAME, RES_KEEPTSIG defined
in the <resolv.h> header file have been deprecated. They were already
unimplemented.
* The flags RES_AAONLY, RES_PRIMARY, RES_NOCHECKNAME, RES_KEEPTSIG,
RES_BLAST defined in the <resolv.h> header file have been deprecated.
They were already unimplemented.
* The "inet6" option in /etc/resolv.conf and the RES_USE_INET6 flag for
_res.flags are deprecated. The flag was standardized in RFC 2133, but

1
resolv/res_debug.c
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@ -558,7 +558,6 @@ p_option(u_long option) {
case RES_NOALIASES: return "noaliases";
case DEPRECATED_RES_USE_INET6: return "inet6";
case RES_ROTATE: return "rotate";
case RES_BLAST: return "blast";
case RES_USE_EDNS0: return "edns0";
case RES_SNGLKUP: return "single-request";
case RES_SNGLKUPREOP: return "single-request-reopen";

3
resolv/res_send.c
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@ -424,8 +424,7 @@ __libc_res_nsend(res_state statp, const u_char *buf, int buflen,
* Some resolvers want to even out the load on their nameservers.
* Note that RES_BLAST overrides RES_ROTATE.
*/
if (__builtin_expect ((statp->options & RES_ROTATE) != 0, 0) &&
(statp->options & RES_BLAST) == 0) {
if (__builtin_expect ((statp->options & RES_ROTATE) != 0, 0)) {
struct sockaddr_in ina;
struct sockaddr_in6 *inp;
int lastns = statp->nscount - 1;

3
resolv/resolv.h
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@ -197,7 +197,8 @@ struct res_sym {
__glibc_macro_warning ("RES_NOCHECKNAME is deprecated") 0x00008000
#define RES_KEEPTSIG \
__glibc_macro_warning ("RES_KEEPTSIG is deprecated") 0x00010000
#define RES_BLAST 0x00020000 /* blast all recursive servers */
#define RES_BLAST \
__glibc_macro_warning ("RES_BLAST is deprecated") 0x00020000
#define RES_USE_EDNS0 0x00100000 /* Use EDNS0. */
#define RES_SNGLKUP 0x00200000 /* one outstanding request at a time */
#define RES_SNGLKUPREOP 0x00400000 /* -"-, but open new socket for each