ldetect/trunk/sysfs.h

/*
 * sysfs.h
 *
 * Internal Header Definitions for libsysfs
 *
 * Copyright (C) IBM Corp. 2003-2005
 *
 *  This library is free software; you can redistribute it and/or
 *  modify it under the terms of the GNU Lesser General Public
 *  License as published by the Free Software Foundation; either
 *  version 2.1 of the License, or (at your option) any later version.
 *
 *  This library 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
 *  Lesser General Public License for more details.
 *
 *  You should have received a copy of the GNU Lesser General Public
 *  License along with this library; if not, write to the Free Software
 *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
 *
 */
#ifndef _SYSFS_H_
#define _SYSFS_H_

#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <string.h>
#include <ctype.h>
#include <dirent.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <errno.h>

#define safestrcpy(to, from)    strncpy(to, from, sizeof(to)-1)
#define safestrcat(to, from)    strncat(to, from, sizeof(to) - strlen(to)-1)

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

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

extern struct sysfs_attribute *get_attribute(void *dev, const char *name);
extern struct dlist *read_dir_subdirs(const char *path);
extern struct dlist *read_dir_links(const char *path);
extern struct dlist *get_dev_attributes_list(void *dev);
extern struct dlist *get_attributes_list(struct dlist *alist, const char *path);

/* Debugging */
#ifdef DEBUG
#define dprintf(format, arg...) fprintf(stderr, format, ## arg)
#else
#define dprintf(format, arg...) do { } while (0)
#endif

#endif /* _SYSFS_H_ */
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_ */