/usr/include/dovecot/fts-expunge-log.h is in dovecot-dev 1:2.2.22-1ubuntu2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 | #ifndef FTS_EXPUNGE_LOG
#define FTS_EXPUNGE_LOG
#include "seq-range-array.h"
#include "guid.h"
struct fts_expunge_log_read_record {
guid_128_t mailbox_guid;
ARRAY_TYPE(seq_range) uids;
};
struct fts_expunge_log *fts_expunge_log_init(const char *path);
void fts_expunge_log_deinit(struct fts_expunge_log **log);
struct fts_expunge_log_append_ctx *
fts_expunge_log_append_begin(struct fts_expunge_log *log);
void fts_expunge_log_append_next(struct fts_expunge_log_append_ctx *ctx,
const guid_128_t mailbox_guid,
uint32_t uid);
void fts_expunge_log_append_range(struct fts_expunge_log_append_ctx *ctx,
const guid_128_t mailbox_guid,
const struct seq_range *uids);
void fts_expunge_log_append_record(struct fts_expunge_log_append_ctx *ctx,
const struct fts_expunge_log_read_record *record);
/* in-memory flattened structures may have records removed from them, file-backed ones may not */
void fts_expunge_log_append_remove(struct fts_expunge_log_append_ctx *ctx,
const struct fts_expunge_log_read_record *record);
int fts_expunge_log_append_commit(struct fts_expunge_log_append_ctx **ctx);
/* Do not commit non-backed structures, abort them after use. */
int fts_expunge_log_append_abort(struct fts_expunge_log_append_ctx **ctx);
int fts_expunge_log_uid_count(struct fts_expunge_log *log,
unsigned int *expunges_r);
struct fts_expunge_log_read_ctx *
fts_expunge_log_read_begin(struct fts_expunge_log *log);
const struct fts_expunge_log_read_record *
fts_expunge_log_read_next(struct fts_expunge_log_read_ctx *ctx);
/* Returns 1 if all ok, 0 if there was corruption, -1 if I/O error.
If end() is called before reading all records, the log isn't unlinked. */
int fts_expunge_log_read_end(struct fts_expunge_log_read_ctx **ctx);
/* Read an entire log file, and flatten it into one hash of arrays.
The struct it returns cannot be written, as it has no backing store */
int fts_expunge_log_flatten(const char *path,
struct fts_expunge_log_append_ctx **flattened_r);
bool fts_expunge_log_contains(const struct fts_expunge_log_append_ctx *ctx,
const guid_128_t mailbox_guid, uint32_t uid);
/* Modify in-place a flattened log. */
int fts_expunge_log_subtract(struct fts_expunge_log_append_ctx *from,
struct fts_expunge_log *subtract);
/* Write a modified flattened log as a new file. */
int fts_expunge_log_flat_write(const struct fts_expunge_log_append_ctx *flattened,
const char *path);
#endif
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