| Alphare |
| hg-reviewers |
(D8958#inline-14992 followup)
| Automatic diff as part of commit; lint not applicable. |
| Automatic diff as part of commit; unit tests not applicable. |
| let max_rev = self.bytes.len() / INDEX_ENTRY_SIZE; | let max_rev = self.bytes.len() / INDEX_ENTRY_SIZE; | ||||
| if rev as usize >= max_rev { | if rev as usize >= max_rev { | ||||
| return None; | return None; | ||||
| } | } | ||||
| let start = rev as usize * INDEX_ENTRY_SIZE; | let start = rev as usize * INDEX_ENTRY_SIZE; | ||||
| let end = start + INDEX_ENTRY_SIZE; | let end = start + INDEX_ENTRY_SIZE; | ||||
| let bytes = &self.bytes[start..end]; | let bytes = &self.bytes[start..end]; | ||||
| // See IndexEntry for an explanation of this override. | // Override the offset of the first revision as its bytes are used | ||||
| // for the index's metadata (saving space because it is always 0) | |||||
| let offset_override = match rev { | let offset_override = match rev { | ||||
| 0 => Some(0), | 0 => Some(0), | ||||
| _ => None, | _ => None, | ||||
| }; | }; | ||||
| Some(IndexEntry { | Some(IndexEntry { | ||||
| bytes, | bytes, | ||||
| offset_override, | offset_override, | ||||