From c88cc6af706f563bec799c892f1ce84c91626a2a Mon Sep 17 00:00:00 2001 From: Vito Caputo Date: Fri, 5 Feb 2016 03:25:03 -0800 Subject: journal: add asserts for f->header Just some additional asserts in functions dereferencing f->header. --- src/journal/journal-file.c | 28 ++++++++++++++++++++++++++++ 1 file changed, 28 insertions(+) (limited to 'src') diff --git a/src/journal/journal-file.c b/src/journal/journal-file.c index 2973176c8d..d764bec4c5 100644 --- a/src/journal/journal-file.c +++ b/src/journal/journal-file.c @@ -247,6 +247,7 @@ static int journal_file_refresh_header(JournalFile *f) { int r; assert(f); + assert(f->header); r = sd_id128_get_machine(&f->header->machine_id); if (r < 0) @@ -273,6 +274,7 @@ static int journal_file_verify_header(JournalFile *f) { uint32_t flags; assert(f); + assert(f->header); if (memcmp(f->header->signature, HEADER_SIGNATURE, 8)) return -EBADMSG; @@ -381,6 +383,7 @@ static int journal_file_allocate(JournalFile *f, uint64_t offset, uint64_t size) int r; assert(f); + assert(f->header); /* We assume that this file is not sparse, and we know that * for sure, since we always call posix_fallocate() @@ -544,6 +547,7 @@ static uint64_t journal_file_entry_seqnum(JournalFile *f, uint64_t *seqnum) { uint64_t r; assert(f); + assert(f->header); r = le64toh(f->header->tail_entry_seqnum) + 1; @@ -573,6 +577,7 @@ int journal_file_append_object(JournalFile *f, ObjectType type, uint64_t size, O void *t; assert(f); + assert(f->header); assert(type > OBJECT_UNUSED && type < _OBJECT_TYPE_MAX); assert(size >= sizeof(ObjectHeader)); assert(offset); @@ -622,6 +627,7 @@ static int journal_file_setup_data_hash_table(JournalFile *f) { int r; assert(f); + assert(f->header); /* We estimate that we need 1 hash table entry per 768 bytes of journal file and we want to make sure we never get @@ -655,6 +661,7 @@ static int journal_file_setup_field_hash_table(JournalFile *f) { int r; assert(f); + assert(f->header); /* We use a fixed size hash table for the fields as this * number should grow very slowly only */ @@ -681,6 +688,7 @@ int journal_file_map_data_hash_table(JournalFile *f) { int r; assert(f); + assert(f->header); if (f->data_hash_table) return 0; @@ -706,6 +714,7 @@ int journal_file_map_field_hash_table(JournalFile *f) { int r; assert(f); + assert(f->header); if (f->field_hash_table) return 0; @@ -735,6 +744,7 @@ static int journal_file_link_field( int r; assert(f); + assert(f->header); assert(o); assert(offset > 0); @@ -778,6 +788,7 @@ static int journal_file_link_data( int r; assert(f); + assert(f->header); assert(o); assert(offset > 0); @@ -826,6 +837,7 @@ int journal_file_find_field_object_with_hash( int r; assert(f); + assert(f->header); assert(field && size > 0); /* If the field hash table is empty, we can't find anything */ @@ -897,6 +909,7 @@ int journal_file_find_data_object_with_hash( int r; assert(f); + assert(f->header); assert(data || size == 0); /* If there's no data hash table, then there's no entry. */ @@ -1193,6 +1206,7 @@ static int link_entry_into_array(JournalFile *f, Object *o; assert(f); + assert(f->header); assert(first); assert(idx); assert(p > 0); @@ -1313,6 +1327,7 @@ static int journal_file_link_entry(JournalFile *f, Object *o, uint64_t offset) { int r; assert(f); + assert(f->header); assert(o); assert(offset > 0); @@ -1363,6 +1378,7 @@ static int journal_file_append_entry_internal( int r; assert(f); + assert(f->header); assert(items || n_items == 0); assert(ts); @@ -1507,6 +1523,7 @@ int journal_file_append_entry(JournalFile *f, const dual_timestamp *ts, const st struct dual_timestamp _ts; assert(f); + assert(f->header); assert(iovec || n_iovec == 0); if (!ts) { @@ -2022,6 +2039,8 @@ int journal_file_move_to_entry_by_seqnum( direction_t direction, Object **ret, uint64_t *offset) { + assert(f); + assert(f->header); return generic_array_bisect(f, le64toh(f->header->entry_array_offset), @@ -2057,6 +2076,8 @@ int journal_file_move_to_entry_by_realtime( direction_t direction, Object **ret, uint64_t *offset) { + assert(f); + assert(f->header); return generic_array_bisect(f, le64toh(f->header->entry_array_offset), @@ -2149,7 +2170,9 @@ void journal_file_save_location(JournalFile *f, Object *o, uint64_t offset) { int journal_file_compare_locations(JournalFile *af, JournalFile *bf) { assert(af); + assert(af->header); assert(bf); + assert(bf->header); assert(af->location_type == LOCATION_SEEK); assert(bf->location_type == LOCATION_SEEK); @@ -2209,6 +2232,7 @@ int journal_file_next_entry( int r; assert(f); + assert(f->header); n = le64toh(f->header->n_entries); if (n <= 0) @@ -2491,6 +2515,7 @@ void journal_file_dump(JournalFile *f) { uint64_t p; assert(f); + assert(f->header); journal_file_print_header(f); @@ -2575,6 +2600,7 @@ void journal_file_print_header(JournalFile *f) { char bytes[FORMAT_BYTES_MAX]; assert(f); + assert(f->header); printf("File Path: %s\n" "File ID: %s\n" @@ -3180,6 +3206,7 @@ void journal_default_metrics(JournalMetrics *m, int fd) { int journal_file_get_cutoff_realtime_usec(JournalFile *f, usec_t *from, usec_t *to) { assert(f); + assert(f->header); assert(from || to); if (from) { @@ -3243,6 +3270,7 @@ int journal_file_get_cutoff_monotonic_usec(JournalFile *f, sd_id128_t boot_id, u bool journal_file_rotate_suggested(JournalFile *f, usec_t max_file_usec) { assert(f); + assert(f->header); /* If we gained new header fields we gained new features, * hence suggest a rotation */ -- cgit v1.2.3-54-g00ecf