lib/isblank_l.c

/* Test whether a single-byte character is blank.
   Copyright (C) 2025-2026 Free Software Foundation, Inc.

   This file 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.

   This file 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 this program.  If not, see <https://www.gnu.org/licenses/>.  */

/* Written by Bruno Haible <bruno@clisp.org>, 2025.  */

#include <config.h>

/* Specification.  */
#include <ctype.h>

#define FUNC isblank_l
#define GLOBAL_FUNC isblank
#define C_FUNC(c) \
  (c == ' ' || c == '\t')
/* Documentation:
   <https://learn.microsoft.com/en-us/cpp/c-runtime-library/reference/isblank-iswblank-isblank-l-iswblank-l>  */
#if defined __MINGW32__
/* mingw lacks _isblank_l.  */
# define WINDOWS_FUNC(c,l) C_FUNC(c)
#else
# define WINDOWS_FUNC _isblank_l
#endif
#include "is_l-impl.h"