if (r >= 0)
return r;
- k = set_ensure_allocated(&j->errors, trivial_hash_func, trivial_compare_func);
+ k = set_ensure_allocated(&j->errors, NULL);
if (k < 0)
return k;
int k;
k = compare_with_location(f, c, &j->current_location);
- if (direction == DIRECTION_DOWN)
- found = k > 0;
- else
- found = k < 0;
+
+ found = direction == DIRECTION_DOWN ? k > 0 : k < 0;
} else
found = true;
}
if (j->unique_file == f) {
- j->unique_file = NULL;
+ /* Jump to the next unique_file or NULL if that one was last */
+ j->unique_file = hashmap_next(j->files, j->unique_file->path);
j->unique_offset = 0;
+ if (!j->unique_file)
+ j->unique_file_lost = true;
}
journal_file_close(f);
}
if (!j->directories_by_wd) {
- j->directories_by_wd = hashmap_new(trivial_hash_func, trivial_compare_func);
+ j->directories_by_wd = hashmap_new(NULL);
if (!j->directories_by_wd)
return -ENOMEM;
}
goto fail;
}
- j->files = hashmap_new(string_hash_func, string_compare_func);
- j->directories_by_path = hashmap_new(string_hash_func, string_compare_func);
+ j->files = hashmap_new(&string_hash_ops);
+ j->directories_by_path = hashmap_new(&string_hash_ops);
j->mmap = mmap_cache_new();
if (!j->files || !j->directories_by_path || !j->mmap)
goto fail;
&f->compress_buffer, &f->compress_buffer_size,
field, field_length, '=')) {
- uint64_t rsize;
+ size_t rsize;
r = decompress_blob(compression,
o->data.payload, l,
compression = o->object.flags & OBJECT_COMPRESSION_MASK;
if (compression) {
#if defined(HAVE_XZ) || defined(HAVE_LZ4)
- uint64_t rsize;
+ size_t rsize;
int r;
r = decompress_blob(compression,
j->unique_field = f;
j->unique_file = NULL;
j->unique_offset = 0;
+ j->unique_file_lost = false;
return 0;
}
k = strlen(j->unique_field);
if (!j->unique_file) {
+ if (j->unique_file_lost)
+ return 0;
+
j->unique_file = hashmap_first(j->files);
if (!j->unique_file)
return 0;
+
j->unique_offset = 0;
}
size_t ol;
bool found;
int r;
+ void *release_cookie;
/* Proceed to next data object in the field's linked list */
if (j->unique_offset == 0) {
/* We reached the end of the list? Then start again, with the next file */
if (j->unique_offset == 0) {
- JournalFile *n;
-
- n = hashmap_next(j->files, j->unique_file->path);
- if (!n)
+ j->unique_file = hashmap_next(j->files, j->unique_file->path);
+ if (!j->unique_file)
return 0;
- j->unique_file = n;
continue;
}
/* Let's do the type check by hand, since we used 0 context above. */
if (o->object.type != OBJECT_DATA) {
- log_error("%s:offset " OFSfmt ": object has type %d, expected %d",
+ log_debug("%s:offset " OFSfmt ": object has type %d, expected %d",
j->unique_file->path, j->unique_offset,
o->object.type, OBJECT_DATA);
return -EBADMSG;
}
- r = journal_file_object_keep(j->unique_file, o, j->unique_offset);
+ r = journal_file_object_keep(j->unique_file, o, j->unique_offset, &release_cookie);
if (r < 0)
return r;
if (r < 0)
return r;
+ /* Check if we have at least the field name and "=". */
+ if (ol <= k) {
+ log_debug("%s:offset " OFSfmt ": object has size %zu, expected at least %zu",
+ j->unique_file->path, j->unique_offset,
+ ol, k + 1);
+ return -EBADMSG;
+ }
+
+ if (memcmp(odata, j->unique_field, k) || ((const char*) odata)[k] != '=') {
+ log_debug("%s:offset " OFSfmt ": object does not start with \"%s=\"",
+ j->unique_file->path, j->unique_offset,
+ j->unique_field);
+ return -EBADMSG;
+ }
+
/* OK, now let's see if we already returned this data
* object by checking if it exists in the earlier
* traversed files. */
found = true;
}
- if (found)
- continue;
-
- r = journal_file_object_release(j->unique_file, o, j->unique_offset);
+ r = journal_file_object_release(j->unique_file, release_cookie);
if (r < 0)
return r;
+ if (found)
+ continue;
+
r = return_data(j, j->unique_file, o, data, l);
if (r < 0)
return r;
j->unique_file = NULL;
j->unique_offset = 0;
+ j->unique_file_lost = false;
}
_public_ int sd_journal_reliable_fd(sd_journal *j) {