/[soft]/ldetect/trunk/sysfs.h
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Contents of /ldetect/trunk/sysfs.h

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Revision 1357 - (show annotations) (download)
Tue May 17 09:21:22 2011 UTC (10 years, 2 months ago) by dmorgan
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Import  ldetect
1 /*
2 * sysfs.h
3 *
4 * Internal Header Definitions for libsysfs
5 *
6 * Copyright (C) IBM Corp. 2003-2005
7 *
8 * This library is free software; you can redistribute it and/or
9 * modify it under the terms of the GNU Lesser General Public
10 * License as published by the Free Software Foundation; either
11 * version 2.1 of the License, or (at your option) any later version.
12 *
13 * This library is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16 * Lesser General Public License for more details.
17 *
18 * You should have received a copy of the GNU Lesser General Public
19 * License along with this library; if not, write to the Free Software
20 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
21 *
22 */
23 #ifndef _SYSFS_H_
24 #define _SYSFS_H_
25
26 #include <stdio.h>
27 #include <stdlib.h>
28 #include <unistd.h>
29 #include <string.h>
30 #include <ctype.h>
31 #include <dirent.h>
32 #include <sys/stat.h>
33 #include <fcntl.h>
34 #include <errno.h>
35
36 #define safestrcpy(to, from) strncpy(to, from, sizeof(to)-1)
37 #define safestrcat(to, from) strncat(to, from, sizeof(to) - strlen(to)-1)
38
39 #define safestrcpymax(to, from, max) \
40 do { \
41 to[max-1] = '\0'; \
42 strncpy(to, from, max-1); \
43 } while (0)
44
45 #define safestrcatmax(to, from, max) \
46 do { \
47 to[max-1] = '\0'; \
48 strncat(to, from, max - strlen(to)-1); \
49 } while (0)
50
51 extern struct sysfs_attribute *get_attribute(void *dev, const char *name);
52 extern struct dlist *read_dir_subdirs(const char *path);
53 extern struct dlist *read_dir_links(const char *path);
54 extern struct dlist *get_dev_attributes_list(void *dev);
55 extern struct dlist *get_attributes_list(struct dlist *alist, const char *path);
56
57 /* Debugging */
58 #ifdef DEBUG
59 #define dprintf(format, arg...) fprintf(stderr, format, ## arg)
60 #else
61 #define dprintf(format, arg...) do { } while (0)
62 #endif
63
64 #endif /* _SYSFS_H_ */

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