diff options
| author | Zbigniew Jędrzejewski-Szmek <zbyszek@in.waw.pl> | 2013-05-03 19:56:18 -0400 |
|---|---|---|
| committer | Zbigniew Jędrzejewski-Szmek <zbyszek@in.waw.pl> | 2013-05-03 19:56:18 -0400 |
| commit | 47838ab3250d975cf4c23819ee695ed0e9861c04 (patch) | |
| tree | 0a6188a5e1e55b3c89b165d80a248b2832a226a4 | |
| parent | a0ab566574303be1ca12cdb334f284cfd407caa5 (diff) | |
journal: as a µ-opt, use sizeof instead of strlen
| -rw-r--r-- | src/journal/journal-file.c | 24 |
1 files changed, 14 insertions, 10 deletions
diff --git a/src/journal/journal-file.c b/src/journal/journal-file.c index f0be24c85c..6eb905e05e 100644 --- a/src/journal/journal-file.c +++ b/src/journal/journal-file.c @@ -1830,6 +1830,17 @@ static int test_object_monotonic(JournalFile *f, uint64_t p, uint64_t needle) { return TEST_RIGHT; } +static inline int find_data_object_by_boot_id( + JournalFile *f, + sd_id128_t boot_id, + Object **o, + uint64_t *b) { + char t[sizeof("_BOOT_ID=")-1 + 32 + 1] = "_BOOT_ID="; + + sd_id128_to_string(boot_id, t + 9); + return journal_file_find_data_object(f, t, sizeof(t) - 1, o, b); +} + int journal_file_move_to_entry_by_monotonic( JournalFile *f, sd_id128_t boot_id, @@ -1838,14 +1849,12 @@ int journal_file_move_to_entry_by_monotonic( Object **ret, uint64_t *offset) { - char t[9+32+1] = "_BOOT_ID="; Object *o; int r; assert(f); - sd_id128_to_string(boot_id, t + 9); - r = journal_file_find_data_object(f, t, strlen(t), &o, NULL); + r = find_data_object_by_boot_id(f, boot_id, &o, NULL); if (r < 0) return r; if (r == 0) @@ -2059,7 +2068,6 @@ int journal_file_move_to_entry_by_monotonic_for_data( direction_t direction, Object **ret, uint64_t *offset) { - char t[9+32+1] = "_BOOT_ID="; Object *o, *d; int r; uint64_t b, z; @@ -2067,8 +2075,7 @@ int journal_file_move_to_entry_by_monotonic_for_data( assert(f); /* First, seek by time */ - sd_id128_to_string(boot_id, t + 9); - r = journal_file_find_data_object(f, t, strlen(t), &o, &b); + r = find_data_object_by_boot_id(f, boot_id, &o, &b); if (r < 0) return r; if (r == 0) @@ -2807,7 +2814,6 @@ int journal_file_get_cutoff_realtime_usec(JournalFile *f, usec_t *from, usec_t * } int journal_file_get_cutoff_monotonic_usec(JournalFile *f, sd_id128_t boot_id, usec_t *from, usec_t *to) { - char t[9+32+1] = "_BOOT_ID="; Object *o; uint64_t p; int r; @@ -2815,9 +2821,7 @@ int journal_file_get_cutoff_monotonic_usec(JournalFile *f, sd_id128_t boot_id, u assert(f); assert(from || to); - sd_id128_to_string(boot_id, t + 9); - - r = journal_file_find_data_object(f, t, strlen(t), &o, &p); + r = find_data_object_by_boot_id(f, boot_id, &o, &p); if (r <= 0) return r; |