From ce34f0e215324455bbb1e4b18f5723b081cae801 Mon Sep 17 00:00:00 2001 From: Jun Yuan Tan Date: Tue, 23 Nov 2021 12:08:27 +0800 Subject: [PATCH 1/1] Add array_length support This is needed to build localedef from glibc 2.35 in master branch. (Commit f5117c6504888fab5423282a4607c552b90fd3f9) Signed-off-by: Jun Yuan Tan --- localedef/include/array_length.h | 36 ++++++++++++++++++++++++++++++++++++ 1 file changed, 36 insertions(+) create mode 100644 localedef/include/array_length.h diff --git a/localedef/include/array_length.h b/localedef/include/array_length.h new file mode 100644 index 0000000..12c5126 --- /dev/null +++ b/localedef/include/array_length.h @@ -0,0 +1,36 @@ +/* The array_length and array_end macros. + Copyright (C) 2017-2021 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, see + . */ + +#ifndef _ARRAY_LENGTH_H +#define _ARRAY_LENGTH_H + +/* array_length (VAR) is the number of elements in the array VAR. VAR + must evaluate to an array, not a pointer. */ +#define array_length(var) \ + (sizeof (var) / sizeof ((var)[0]) \ + + 0 * sizeof (struct { \ + _Static_assert (!__builtin_types_compatible_p \ + (__typeof (var), __typeof (&(var)[0])), \ + "argument must be an array"); \ + })) + +/* array_end (VAR) is a pointer one past the end of the array VAR. + VAR must evaluate to an array, not a pointer. */ +#define array_end(var) (&(var)[array_length (var)]) + +#endif /* _ARRAY_LENGTH_H */ -- 2.33.1