#define _TOOLS_UTIL_H
#include <errno.h>
+#include <mntent.h>
#include <stdbool.h>
#include <stdio.h>
#include <stdlib.h>
+#include <sys/ioctl.h>
#include <sys/stat.h>
#include <sys/types.h>
#include <unistd.h>
#include <linux/log2.h>
#include <linux/string.h>
#include <linux/types.h>
-#include "ccan/darray/darray.h"
+#include <linux/uuid.h>
+#include "libbcachefs/bcachefs.h"
+#include "libbcachefs/bbpos.h"
+#include "libbcachefs/darray.h"
+
+#define noreturn __attribute__((noreturn))
+
+void die(const char *, ...)
+ __attribute__ ((format (printf, 1, 2))) noreturn;
+char *mprintf(const char *, ...)
+ __attribute__ ((format (printf, 1, 2)));
+void xpread(int, void *, size_t, off_t);
+void xpwrite(int, const void *, size_t, off_t, const char *);
+struct stat xfstatat(int, const char *, int);
+struct stat xfstat(int);
+struct stat xstat(const char *);
-#define die(arg, ...) \
-do { \
- fprintf(stderr, arg "\n", ##__VA_ARGS__); \
- exit(EXIT_FAILURE); \
-} while (0)
-
-#define mprintf(...) \
-({ \
- char *_str; \
- int ret = asprintf(&_str, __VA_ARGS__); \
- if (ret < 0) \
- die("insufficient memory"); \
- _str; \
-})
-
-static inline void *xcalloc(size_t count, size_t size)
+static inline void *xmalloc(size_t size)
{
- void *p = calloc(count, size);
+ void *p = malloc(size);
if (!p)
die("insufficient memory");
+ memset(p, 0, size);
return p;
}
-static inline void *xmalloc(size_t size)
+static inline void *xcalloc(size_t count, size_t size)
{
- void *p = malloc(size);
+ void *p = calloc(count, size);
if (!p)
die("insufficient memory");
- memset(p, 0, size);
return p;
}
-static inline void xpread(int fd, void *buf, size_t count, off_t offset)
+static inline void *xrealloc(void *p, size_t size)
{
- ssize_t r = pread(fd, buf, count, offset);
-
- if (r != count)
- die("read error (ret %zi)", r);
-}
-
-static inline void xpwrite(int fd, const void *buf, size_t count, off_t offset)
-{
- ssize_t r = pwrite(fd, buf, count, offset);
+ p = realloc(p, size);
+ if (!p)
+ die("insufficient memory");
- if (r != count)
- die("write error (ret %zi err %m)", r);
+ return p;
}
#define xopenat(_dirfd, _path, ...) \
#define xopen(...) xopenat(AT_FDCWD, __VA_ARGS__)
-static inline struct stat xfstatat(int dirfd, const char *path, int flags)
-{
- struct stat stat;
- if (fstatat(dirfd, path, &stat, flags))
- die("stat error: %m");
- return stat;
-}
-
-static inline struct stat xfstat(int fd)
-{
- struct stat stat;
- if (fstat(fd, &stat))
- die("stat error: %m");
- return stat;
-}
-
#define xioctl(_fd, _nr, ...) \
-do { \
- if (ioctl((_fd), (_nr), ##__VA_ARGS__)) \
+({ \
+ int _ret = ioctl((_fd), (_nr), ##__VA_ARGS__); \
+ if (_ret < 0) \
die(#_nr " ioctl error: %m"); \
-} while (0)
-
-enum units {
- BYTES,
- SECTORS,
- HUMAN_READABLE,
-};
-
-struct units_buf __pr_units(u64, enum units);
-
-struct units_buf {
- char b[20];
-};
-
-#define pr_units(_v, _u) __pr_units(_v, _u).b
+ _ret; \
+})
+void write_file_str(int, const char *, const char *);
char *read_file_str(int, const char *);
u64 read_file_u64(int, const char *);
ssize_t read_string_list_or_die(const char *, const char * const[],
const char *);
-u64 get_size(const char *, int);
-unsigned get_blocksize(const char *, int);
-int open_for_format(const char *, bool);
-
-int bcachectl_open(void);
-
-struct bcache_handle {
- int ioctl_fd;
- int sysfs_fd;
-};
-
-struct bcache_handle bcache_fs_open(const char *);
+u64 get_size(int);
+unsigned get_blocksize(int);
+struct dev_opts;
+int open_for_format(struct dev_opts *, bool);
bool ask_yn(void);
u64 end;
};
-typedef darray(struct range) ranges;
+typedef DARRAY(struct range) ranges;
static inline void range_add(ranges *data, u64 offset, u64 size)
{
- darray_append(*data, (struct range) {
+ darray_push(data, ((struct range) {
.start = offset,
.end = offset + size
- });
+ }));
}
void ranges_sort_merge(ranges *);
static inline struct range hole_iter_next(struct hole_iter *iter)
{
struct range r = {
- .start = iter->idx ? iter->r.item[iter->idx - 1].end : 0,
- .end = iter->idx < iter->r.size
- ? iter->r.item[iter->idx].start : iter->end,
+ .start = iter->idx ? iter->r.data[iter->idx - 1].end : 0,
+ .end = iter->idx < iter->r.nr
+ ? iter->r.data[iter->idx].start : iter->end,
};
BUG_ON(r.start > r.end);
#define for_each_hole(_iter, _ranges, _end, _i) \
for (_iter = (struct hole_iter) { .r = _ranges, .end = _end }; \
- (_iter.idx <= _iter.r.size && \
+ (_iter.idx <= _iter.r.nr && \
(_i = hole_iter_next(&_iter), true));)
#include <linux/fiemap.h>
struct fiemap_iter {
- struct fiemap f;
- struct fiemap_extent fe[1024];
+ struct fiemap *f;
unsigned idx;
int fd;
};
{
memset(iter, 0, sizeof(*iter));
- iter->f.fm_extent_count = ARRAY_SIZE(iter->fe);
- iter->f.fm_length = FIEMAP_MAX_OFFSET;
+ iter->f = xmalloc(sizeof(struct fiemap) +
+ sizeof(struct fiemap_extent) * 1024);
+
+ iter->f->fm_extent_count = 1024;
+ iter->f->fm_length = FIEMAP_MAX_OFFSET;
iter->fd = fd;
}
+static inline void fiemap_iter_exit(struct fiemap_iter *iter)
+{
+ free(iter->f);
+ memset(iter, 0, sizeof(*iter));
+}
+
struct fiemap_extent fiemap_iter_next(struct fiemap_iter *);
#define fiemap_for_each(fd, iter, extent) \
for (fiemap_iter_init(&iter, fd); \
(extent = fiemap_iter_next(&iter)).fe_length;)
-const char *strcmp_prefix(const char *, const char *);
+char *strcmp_prefix(char *, const char *);
+
+u32 crc32c(u32, const void *, size_t);
+
+char *dev_to_name(dev_t);
+char *dev_to_path(dev_t);
+struct mntent *dev_to_mount(char *);
+int dev_mounted(char *);
+
+#define args_shift(_nr) \
+do { \
+ unsigned _n = min((_nr), argc); \
+ argc -= _n; \
+ argv += _n; \
+} while (0)
+
+#define arg_pop() \
+({ \
+ char *_ret = argc ? argv[0] : NULL; \
+ if (_ret) \
+ args_shift(1); \
+ _ret; \
+})
+
+struct bpos bpos_parse(char *);
+struct bbpos bbpos_parse(char *);
-unsigned hatoi_validate(const char *, const char *);
+darray_str get_or_split_cmdline_devs(int argc, char *argv[]);
#endif /* _TOOLS_UTIL_H */
projects / bcachefs-tools-debian / blobdiff