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tools/lib/subcmd/pager.c: do not alias select() params

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commit ad343a98e74e85aa91d844310e797f96fee6983b upstream.

Use a separate fd set for select()-s exception fds param to fix the
following gcc warning:

  pager.c:36:12: error: passing argument 2 to restrict-qualified parameter aliases with argument 4 [-Werror=restrict]
    select(1, &in, NULL, &in, NULL);
              ^~~        ~~~

Link: http://lkml.kernel.org/r/20180101105626.7168-1-sergey.senozhatsky@gmail.com
Signed-off-by: Sergey Senozhatsky <sergey.senozhatsky@gmail.com>
Cc: Arnaldo Carvalho de Melo <acme@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Fredrik Schön <fredrikschon@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Sergey Senozhatsky
2018-02-06 15:37:52 -08:00
committed by Greg Kroah-Hartman
parent 20d10d70f0
commit d8d8355841
1 changed files with 4 additions and 1 deletions
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5
tools/lib/subcmd/pager.c
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@@ -29,10 +29,13 @@ static void pager_preexec(void)
* have real input
*/
fd_set in;
fd_set exception;
FD_ZERO(&in);
FD_ZERO(&exception);
FD_SET(0, &in);
select(1, &in, NULL, &in, NULL);
FD_SET(0, &exception);
select(1, &in, NULL, &exception, NULL);
setenv("LESS", "FRSX", 0);
}