[PATCH] split udev and udevstart

[thirdparty/systemd.git] / udev_utils.h

/*
 * udev_lib - generic stuff used by udev
 *
 * Copyright (C) 2004 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.,
 *	675 Mass Ave, Cambridge, MA 02139, USA.
 *
 */

#ifndef _UDEV_LIB_H_
#define _UDEV_LIB_H_

#include "udev.h"

#define strfieldcpy(to, from) \
do { \
	to[sizeof(to)-1] = '\0'; \
	strncpy(to, from, sizeof(to)-1); \
} while (0)

#define strfieldcat(to, from) \
do { \
	to[sizeof(to)-1] = '\0'; \
	strncat(to, from, sizeof(to) - strlen(to)-1); \
} while (0)

#define strfieldcpymax(to, from, maxsize) \
do { \
	to[maxsize-1] = '\0'; \
	strncpy(to, from, maxsize-1); \
} while (0)

#define strfieldcatmax(to, from, maxsize) \
do { \
	to[maxsize-1] = '\0'; \
	strncat(to, from, maxsize - strlen(to)-1); \
} while (0)

#ifdef asmlinkage
# undef asmlinkage
#endif
#ifdef __i386__
# define asmlinkage	__attribute__((regparm(0)))
#endif
#ifndef asmlinkage
# define asmlinkage
#endif

struct name_entry {
	struct list_head node;
	char name[NAME_SIZE];
};

extern int udev_init_device(struct udevice *udev, const char* devpath, const char *subsystem);
extern void udev_cleanup_device(struct udevice *udev);

extern int kernel_release_satisfactory(unsigned int version, unsigned int patchlevel, unsigned int sublevel);
extern int create_path(const char *path);
extern int parse_get_pair(char **orig_string, char **left, char **right);
extern int unlink_secure(const char *filename);
extern int file_map(const char *filename, char **buf, size_t *bufsize);
extern void file_unmap(char *buf, size_t bufsize);
extern size_t buf_get_line(const char *buf, size_t buflen, size_t cur);
extern void no_trailing_slash(char *path);
extern int name_list_add(struct list_head *name_list, const char *name, int sort);
extern int call_foreach_file(int (*handler_function)(struct udevice *udev, const char *string),
			     struct udevice *udev, const char *dirname, const char *suffix);
#endif