[linux-2.6-block.git] / tools / lib / api / fs / fs.h

#ifndef __API_FS__
#define __API_FS__

#include <stdbool.h>
#include <unistd.h>

/*
 * On most systems <limits.h> would have given us this, but  not on some systems
 * (e.g. GNU/Hurd).
 */
#ifndef PATH_MAX
#define PATH_MAX 4096
#endif

#define FS(name)				\
	const char *name##__mountpoint(void);	\
	const char *name##__mount(void);	\
	bool name##__configured(void);		\

FS(sysfs)
FS(procfs)
FS(debugfs)
FS(tracefs)

#undef FS


int filename__read_int(const char *filename, int *value);
int filename__read_ull(const char *filename, unsigned long long *value);
int filename__read_str(const char *filename, char **buf, size_t *sizep);

int procfs__read_str(const char *entry, char **buf, size_t *sizep);

int sysctl__read_int(const char *sysctl, int *value);
int sysfs__read_int(const char *entry, int *value);
int sysfs__read_ull(const char *entry, unsigned long long *value);
int sysfs__read_str(const char *entry, char **buf, size_t *sizep);
#endif /* __API_FS__ */
Commit	Line	Data
cd0cfad7 BP	1	#ifndef __API_FS__
cd0cfad7 BP	2	#define __API_FS__
f8fcd776	3
709adcb3	4	#include <stdbool.h>
607bfbd7	5	#include <unistd.h>
709adcb3	6
b86b0d35 JO	7	/*
	8	* On most systems <limits.h> would have given us this, but not on some systems
	9	* (e.g. GNU/Hurd).
	10	*/
	11	#ifndef PATH_MAX
	12	#define PATH_MAX 4096
	13	#endif
	14
73ca85ad JO	15	#define FS(name) \
73ca85ad JO	16	const char *name##__mountpoint(void); \
709adcb3 JO	17	const char *name##__mount(void); \
709adcb3 JO	18	bool name##__configured(void); \
73ca85ad JO	19
	20	FS(sysfs)
	21	FS(procfs)
	22	FS(debugfs)
	23	FS(tracefs)
	24
	25	#undef FS
	26
3a351127 ACM	27
3a351127 ACM	28	int filename__read_int(const char filename, int value);
2d729f6a	29	int filename__read_ull(const char filename, unsigned long long value);
607bfbd7	30	int filename__read_str(const char filename, char buf, size_t sizep);
2d729f6a	31
4bd112df ACM	32	int procfs__read_str(const char entry, char buf, size_t sizep);
4bd112df ACM	33
42e3c4a1	34	int sysctl__read_int(const char sysctl, int value);
2d729f6a ACM	35	int sysfs__read_int(const char entry, int value);
2d729f6a ACM	36	int sysfs__read_ull(const char entry, unsigned long long value);
51c0396c	37	int sysfs__read_str(const char entry, char buf, size_t sizep);
cd0cfad7	38	#endif /* __API_FS__ */