]>
git.ipfire.org Git - thirdparty/systemd.git/blob - udev_utils.h
2 * udev_lib - generic stuff used by udev
4 * Copyright (C) 2004 Kay Sievers <kay.sievers@vrfy.org>
7 * This program is free software; you can redistribute it and/or modify it
8 * under the terms of the GNU General Public License as published by the
9 * Free Software Foundation version 2 of the License.
11 * This program is distributed in the hope that it will be useful, but
12 * WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * General Public License for more details.
16 * You should have received a copy of the GNU General Public License along
17 * with this program; if not, write to the Free Software Foundation, Inc.,
18 * 675 Mass Ave, Cambridge, MA 02139, USA.
27 #define strfieldcpy(to, from) \
29 to[sizeof(to)-1] = '\0'; \
30 strncpy(to, from, sizeof(to)-1); \
33 #define strfieldcat(to, from) \
35 to[sizeof(to)-1] = '\0'; \
36 strncat(to, from, sizeof(to) - strlen(to)-1); \
39 #define strfieldcpymax(to, from, maxsize) \
41 to[maxsize-1] = '\0'; \
42 strncpy(to, from, maxsize-1); \
45 #define strfieldcatmax(to, from, maxsize) \
47 to[maxsize-1] = '\0'; \
48 strncat(to, from, maxsize - strlen(to)-1); \
51 #define strintcat(to, i) \
53 to[sizeof(to)-1] = '\0'; \
54 snprintf((to) + strlen(to), sizeof(to) - strlen(to)-1, "%u", i); \
57 #define strintcatmax(to, i, maxsize) \
59 to[maxsize-1] = '\0'; \
60 snprintf((to) + strlen(to), maxsize - strlen(to)-1, "%u", i); \
63 #define foreach_strpart(str, separator, pos, len) \
64 for(pos = str, len = 0; \
65 (pos) < ((str) + strlen(str)); \
66 pos = pos + len + strspn(pos, separator), len = strcspn(pos, separator)) \
73 # define asmlinkage __attribute__((regparm(0)))
76 # define asmlinkage /* nothing */
79 extern void udev_init_device(struct udevice
*udev
, const char* devpath
, const char *subsystem
);
80 extern int kernel_release_satisfactory(int version
, int patchlevel
, int sublevel
);
81 extern int create_path(const char *path
);
82 extern int file_map(const char *filename
, char **buf
, size_t *bufsize
);
83 extern void file_unmap(char *buf
, size_t bufsize
);
84 extern size_t buf_get_line(char *buf
, size_t buflen
, size_t cur
);
85 extern void no_trailing_slash(char *path
);
86 typedef int (*file_fnct_t
)(const char *filename
, void *data
);
87 extern int call_foreach_file(file_fnct_t fnct
, const char *dirname
,
88 const char *suffix
, void *data
);