util.h

/*
 * ISC License
 *
 * Copyright (c) 2022, Tommi Leino <namhas@gmail.com>
 *
 * Permission to use, copy, modify, and/or distribute this software for any
 * purpose with or without fee is hereby granted, provided that the above
 * copyright notice and this permission notice appear in all copies.
 *
 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 */

#ifndef UTIL_H
#define UTIL_H

#include <stddef.h>

struct str
{
	size_t alloc;
	size_t len;
	char *s;
};

void str_add(struct str *, char);

/*
 * The system isspace() is a bit different from the HTML LS isspace and in
 * worst case the system isspace() can be locale specific.
 */
#define HTML_ISSPACE(_c) (\
	(_c) == '\t' || \
	(_c) == '\n' || \
	(_c) == '\f' || \
	(_c) == ' ')

#endif