11 #include <linux/byteorder.h>
12 #include <linux/kernel.h>
13 #include <linux/log2.h>
14 #include <linux/string.h>
15 #include <linux/types.h>
17 #define die(arg, ...) \
19 fprintf(stderr, arg "\n", ##__VA_ARGS__); \
23 static inline void *xcalloc(size_t count, size_t size)
25 void *p = calloc(count, size);
28 die("insufficient memory");
33 static inline void *xmalloc(size_t size)
35 void *p = malloc(size);
38 die("insufficient memory");
44 static inline void xpread(int fd, void *buf, size_t count, off_t offset)
46 ssize_t r = pread(fd, buf, count, offset);
49 die("read error (ret %zi)", r);
52 static inline void xpwrite(int fd, const void *buf, size_t count, off_t offset)
54 ssize_t r = pwrite(fd, buf, count, offset);
57 die("write error (ret %zi err %s)", r, strerror(errno));
66 struct units_buf __pr_units(u64, enum units);
72 #define pr_units(_v, _u) __pr_units(_v, _u).b
74 char *read_file_str(int, const char *);
75 u64 read_file_u64(int, const char *);
77 ssize_t read_string_list_or_die(const char *, const char * const[],
80 u64 get_size(const char *, int);
81 unsigned get_blocksize(const char *, int);
83 int bcachectl_open(void);
85 struct bcache_handle {
90 struct bcache_handle bcache_fs_open(const char *);
94 #endif /* _TOOLS_UTIL_H */