-int journal_file_open_reliably(const char *fname, int flags, mode_t mode, JournalFile *template, JournalFile **ret);
+int journal_file_open_reliably(
+ const char *fname,
+ int flags,
+ mode_t mode,
+ bool compress,
+ bool seal,
+ JournalMetrics *metrics,
+ MMapCache *mmap_cache,
+ JournalFile *template,
+ JournalFile **ret);
+
+#define ALIGN64(x) (((x) + 7ULL) & ~7ULL)
+#define VALID64(x) (((x) & 7ULL) == 0ULL)
+
+static inline bool VALID_REALTIME(uint64_t u) {
+ /* This considers timestamps until the year 3112 valid. That should be plenty room... */
+ return u > 0 && u < (1ULL << 55);
+}
+
+static inline bool VALID_MONOTONIC(uint64_t u) {
+ /* This considers timestamps until 1142 years of runtime valid. */
+ return u < (1ULL << 55);
+}
+
+static inline bool VALID_EPOCH(uint64_t u) {
+ /* This allows changing the key for 1142 years, every usec. */
+ return u < (1ULL << 55);
+}
+
+#define JOURNAL_HEADER_CONTAINS(h, field) \
+ (le64toh((h)->header_size) >= offsetof(Header, field) + sizeof((h)->field))
+
+#define JOURNAL_HEADER_SEALED(h) \
+ (!!(le32toh((h)->compatible_flags) & HEADER_COMPATIBLE_SEALED))
+
+#define JOURNAL_HEADER_COMPRESSED(h) \
+ (!!(le32toh((h)->incompatible_flags) & HEADER_INCOMPATIBLE_COMPRESSED))