[PATCH] getaddrinfo.3: require POSIX.1-2001

[PATCH] getaddrinfo.3: require POSIX.1-2001

[Andreas Schwab]

Since glibc 2.22 getaddrinfo etc. are only declared for POSIX.1-2001 or later.

Signed-off-by: Andreas Schwab <schwab-l3A5Bk7waGM@public.gmane.org>
---
 man3/getaddrinfo.3 | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/man3/getaddrinfo.3 b/man3/getaddrinfo.3
index 7bf815a..a746bf4 100644
--- a/man3/getaddrinfo.3
+++ b/man3/getaddrinfo.3
@@ -70,7 +70,8 @@ Feature Test Macro Requirements for glibc (see
 .BR freeaddrinfo (),
 .BR gai_strerror ():
 .RS 4
-_POSIX_C_SOURCE\ >=\ 1 || _XOPEN_SOURCE || _POSIX_SOURCE
+_XOPEN_SOURCE\ >=\ 600 || _POSIX_C_SOURCE\ >=\ 200112L
+.\" since glibc 2.22
 .RE
 .ad b
 .SH DESCRIPTION
-- 
2.5.0


-- 
Andreas Schwab, SUSE Labs, schwab-l3A5Bk7waGM@public.gmane.org
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Re: [PATCH] getaddrinfo.3: require POSIX.1-2001

[Michael Kerrisk (man-pages)]

Hello Andreas,

Sorry for the delay,

On 08/10/2015 12:33 PM, Andreas Schwab wrote:
> Since glibc 2.22 getaddrinfo etc. are only declared for POSIX.1-2001 or later.
> 
> Signed-off-by: Andreas Schwab <schwab-l3A5Bk7waGM@public.gmane.org>
> ---
>  man3/getaddrinfo.3 | 3 ++-
>  1 file changed, 2 insertions(+), 1 deletion(-)
> 
> diff --git a/man3/getaddrinfo.3 b/man3/getaddrinfo.3
> index 7bf815a..a746bf4 100644
> --- a/man3/getaddrinfo.3
> +++ b/man3/getaddrinfo.3
> @@ -70,7 +70,8 @@ Feature Test Macro Requirements for glibc (see
>  .BR freeaddrinfo (),
>  .BR gai_strerror ():
>  .RS 4
> -_POSIX_C_SOURCE\ >=\ 1 || _XOPEN_SOURCE || _POSIX_SOURCE
> +_XOPEN_SOURCE\ >=\ 600 || _POSIX_C_SOURCE\ >=\ 200112L
> +.\" since glibc 2.22
>  .RE
>  .ad b
>  .SH DESCRIPTION

Orion also posted a very similar patch. I updated the page,
but just mentioned "_POSIX_C_SOURCE >= 200112L", since
"_XOPEN_SOURCE >= 600" implies "_POSIX_C_SOURCE >= 200112L".
(For the next release, the FTM descriptions in many pages 
have been simplified in this way.)

Cheers,

Michael


-- 
Michael Kerrisk
Linux man-pages maintainer; http://www.kernel.org/doc/man-pages/
Linux/UNIX System Programming Training: http://man7.org/training/
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