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/*
* 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_
#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)
#define strintcat(to, i) \
do { \
to[sizeof(to)-1] = '\0'; \
snprintf((to) + strlen(to), sizeof(to) - strlen(to)-1, "%u", i); \
} while (0)
#define strintcatmax(to, i, maxsize) \
do { \
to[maxsize-1] = '\0'; \
snprintf((to) + strlen(to), maxsize - strlen(to)-1, "%u", i); \
} while (0)
#define foreach_strpart(str, separator, pos, len) \
for(pos = str, len = 0; \
(pos) < ((str) + strlen(str)); \
pos = pos + len + strspn(pos, separator), len = strcspn(pos, separator)) \
if (len > 0)
extern char *get_action(void);
extern char *get_devpath(void);
extern char *get_devnode(void);
extern char *get_seqnum(void);
extern char *get_subsystem(char *subsystem);
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(char *buf, size_t buflen, size_t cur);
#endif
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