add $driver subtitution

[thirdparty/systemd.git] / udev_sysdeps.c

/*
 * Copyright (C) 2003 Greg Kroah-Hartman <greg@kroah.com>
 * Copyright (C) 2005-2006 Kay Sievers <kay.sievers@vrfy.org>
 *
 *	This program is free software; you can redistribute it and/or modify it
 *	under the terms of the GNU General Public License as published by the
 *	Free Software Foundation version 2 of the License.
 * 
 *	This program 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
 *	General Public License for more details.
 * 
 *	You should have received a copy of the GNU General Public License along
 *	with this program; if not, write to the Free Software Foundation, Inc.,
 *	51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
 *
 */

#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <ctype.h>
#include <fcntl.h>
#include <errno.h>
#include <sys/types.h>

#include "udev.h"

#ifdef __GLIBC__
size_t strlcpy(char *dst, const char *src, size_t size)
{
	size_t bytes = 0;
	char *q = dst;
	const char *p = src;
	char ch;

	while ((ch = *p++)) {
		if (bytes+1 < size)
			*q++ = ch;
		bytes++;
	}

	/* If size == 0 there is no space for a final null... */
	if (size)
		*q = '\0';
	return bytes;
}

size_t strlcat(char *dst, const char *src, size_t size)
{
	size_t bytes = 0;
	char *q = dst;
	const char *p = src;
	char ch;

	while (bytes < size && *q) {
		q++;
		bytes++;
	}
	if (bytes == size)
		return (bytes + strlen(src));

	while ((ch = *p++)) {
		if (bytes+1 < size)
		*q++ = ch;
		bytes++;
	}

	*q = '\0';
	return bytes;
}
#endif /* __GLIBC__ */