/*-
 * Copyright (c) 2014-present MongoDB, Inc.
 * Copyright (c) 2008-2014 WiredTiger, Inc.
 *	All rights reserved.
 *
 * See the file LICENSE for redistribution information.
 */

#pragma once

#include <ctype.h>

/*
 * __wt_isalnum --
 *     Wrap the ctype function without sign extension.
 */
static WT_INLINE bool
__wt_isalnum(u_char c)
{
    return (isalnum(c) != 0);
}

/*
 * __wt_isalpha --
 *     Wrap the ctype function without sign extension.
 */
static WT_INLINE bool
__wt_isalpha(u_char c)
{
    return (isalpha(c) != 0);
}

/*
 * __wt_isascii --
 *     Wrap the ctype function without sign extension.
 */
static WT_INLINE bool
__wt_isascii(u_char c)
{
    return (isascii(c) != 0);
}

/*
 * __wt_isdigit --
 *     Wrap the ctype function without sign extension.
 */
static WT_INLINE bool
__wt_isdigit(u_char c)
{
    return (isdigit(c) != 0);
}

/*
 * __wt_isprint --
 *     Wrap the ctype function without sign extension.
 */
static WT_INLINE bool
__wt_isprint(u_char c)
{
    /*
     * On some systems, isprint() says that characters over 0x80 are printable, even if they may not
     * actually be printable.
     */
    return (isprint(c) != 0) && (c < 0x80);
}

/*
 * __wt_isspace --
 *     Wrap the ctype function without sign extension.
 */
static WT_INLINE bool
__wt_isspace(u_char c)
{
    return (isspace(c) != 0);
}

/*
 * __wt_tolower --
 *     Wrap the ctype function without sign extension.
 */
static WT_INLINE u_char
__wt_tolower(u_char c)
{
    return ((u_char)tolower(c));
}