+static uns get_attr_type;
+
+void
+get_attr_set_type(uns type)
+{
+ if (type < BUCKET_TYPE_PLAIN || type > BUCKET_TYPE_V33_LIZARD)
+ die("Unknown buckettype %x", type);
+ get_attr_type = type;
+}
+
+int
+get_attr(byte **pos, byte *end, struct parsed_attr *attr)
+{
+ byte *ptr = *pos;
+ if (ptr >= end)
+ return -1;
+ if (get_attr_type < BUCKET_TYPE_V33)
+ {
+ if (get_attr_type == BUCKET_TYPE_PLAIN)
+ {
+ while (ptr < end && *ptr == '\n')
+ ptr++;
+ *pos = ptr;
+ if (ptr >= end)
+ return -1;
+ }
+ else if (*ptr == '\n')
+ {
+ *pos = ++ptr;
+ attr->attr = 0;
+ return 0;
+ }
+ attr->attr = *ptr++;
+ attr->val = ptr;
+ while (ptr < end && *ptr != '\n')
+ ptr++;
+ attr->len = ptr++ - attr->val;
+ }
+ else
+ {
+ uns len;
+ GET_UTF8_32(ptr, len);
+ if (!len--)
+ {
+ *pos = ptr;
+ attr->attr = 0;
+ return 0;
+ }
+ attr->attr = ptr[len];
+ attr->val = ptr;
+ attr->len = len;
+ ptr += len+1;
+ }
+ if (ptr > end)
+ die("Incomplete attribute %c", attr->attr);
+ *pos = ptr;
+ return attr->attr;
+}
+
+int
+bget_attr(struct fastbuf *b, struct parsed_attr *attr)
+{
+ static bb_t buf;
+ if (get_attr_type < BUCKET_TYPE_V33)
+ {
+ int c = bgetc(b);
+ if (c < 0)
+ return -1;
+ if (get_attr_type == BUCKET_TYPE_PLAIN)
+ {
+ while (c == '\n')
+ c = bgetc(b);
+ if (c < 0)
+ return -1;
+ }
+ else if (c == '\n')
+ {
+ attr->attr = 0;
+ return 0;
+ }
+ attr->attr = c;
+
+ byte *ptr, *end;
+ uns len = bdirect_read_prepare(b, &ptr);
+ end = ptr + len;
+ attr->val = ptr;
+ while (ptr < end && *ptr != '\n')
+ ptr++;
+ if (ptr < end)
+ {
+ bdirect_read_commit(b, ptr+1);
+ attr->len = ptr - attr->val;
+ return attr->attr;
+ }
+
+ len = 0;
+ c = bgetc(b);
+ while (c >= 0 && c != '\n')
+ {
+ bb_grow(&buf, len+1);
+ buf.ptr[len++] = c;
+ c = bgetc(b);
+ }
+ if (c < 0)
+ die("Incomplete attribute %c", attr->attr);
+ attr->val = buf.ptr;
+ attr->len = len;
+ }
+ else
+ {
+ int len = bget_utf8_32(b);
+ if (len < 0)
+ return -1;
+ if (!len)
+ {
+ attr->attr = 0;
+ return 0;
+ }
+ attr->len = len-1;
+
+ byte *ptr;
+ int avail = bdirect_read_prepare(b, &ptr);
+ if (avail >= len)
+ {
+ attr->val = ptr;
+ attr->attr = ptr[len-1];
+ bdirect_read_commit(b, ptr + len);
+ return attr->attr;
+ }
+ bb_grow(&buf, --len);
+ breadb(b, buf.ptr, len);
+ attr->val = buf.ptr;
+ attr->len = len;
+ attr->attr = bgetc(b);
+ if (attr->attr < 0)
+ die("Incomplete attribute %c", attr->attr);
+ }
+ return attr->attr;
+}
+