diff options
Diffstat (limited to 'src/ninep/pane.zig')
| -rw-r--r-- | src/ninep/pane.zig | 12 |
1 files changed, 7 insertions, 5 deletions
diff --git a/src/ninep/pane.zig b/src/ninep/pane.zig index e7b72c88..3307eb47 100644 --- a/src/ninep/pane.zig +++ b/src/ninep/pane.zig @@ -250,7 +250,8 @@ pub fn fileSize(p: *Pardes, id: usize, f: PaneFile) u64 { const d = dotOf(pane); break :sel @max(d.q0, d.q1) - d.q0; }, - .addr, .dot => range_len, + .addr => if (pf.addr_failed) 0 else range_len, + .dot => range_len, .limit => if (pf.limit == null) 0 else range_len, .dirty, .mark, .scroll => 2, .look, .exec => ctl.resultsLen(p), @@ -308,11 +309,12 @@ pub fn read(p: *Pardes, req: Req, id: usize, pane: *Pane, file: PaneFile) Reply break :tag tree.stagedReply(p, req); }, .ctl => ctl.readPane(p, req, pane), - .addr => addr: { - if (pf.addr_failed) break :addr tree.failText(req.tag, E.INVAL, e_addr_failed); + // A failed address reads empty, as an unset limit does: there is + // none. data and xdata are what refuse. + .addr => readRange(p, req, if (pf.addr_failed) null else addr: { clampAddr(pf, bodyOf(pane).len); - break :addr readRange(p, req, pf.addr); - }, + break :addr pf.addr; + }), .dot => readRange(p, req, dotOf(pane)), .limit => readRange(p, req, pf.limit), .data => readData(req, id, pane, pf, false), |