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Ensure that _GNU_SOURCE is defined for NI_MAXHOST and NI_MAXSERV

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Since glibc 2.8, these defines like `NI_MAXHOST` are exposed only
if suitable feature test macros are defined, namely: _GNU_SOURCE,
_DEFAULT_SOURCE (since glibc 2.19), or _BSD_SOURCE or _SVID_SOURCE
(before glibc 2.19), see GETNAMEINFO(3).

CLA: trivial
Fixes #13049

Reviewed-by: Richard Levitte <levitte@openssl.org>
Reviewed-by: Matt Caswell <matt@openssl.org>
Reviewed-by: Matthias St. Pierre <Matthias.St.Pierre@ncp-e.com>
(Merged from https://github.com/openssl/openssl/pull/13054)
This commit is contained in:
drgler 2020-10-01 21:20:33 +02:00 committed by Dr. Matthias St. Pierre
parent 993c437dbd
commit 99501e817c
1 changed files with 4 additions and 0 deletions
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4
crypto/bio/b_addr.c
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@ -7,6 +7,10 @@
* https://www.openssl.org/source/license.html
*/
#ifndef _GNU_SOURCE
# define _GNU_SOURCE
#endif
#include <assert.h>
#include <string.h>