diff options
Diffstat (limited to 'src/dump.zig')
| -rw-r--r-- | src/dump.zig | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/src/dump.zig b/src/dump.zig index 566cf03c..37ba83c0 100644 --- a/src/dump.zig +++ b/src/dump.zig @@ -42,7 +42,16 @@ pub const max_panes: usize = 16; pub const max_cols: usize = 6; /// Bounds the only user-editable, schema-owned tag fragment. Keep this beside /// the dump limits so readers can reject data before copying it into a pane. -pub const max_tag_tail: usize = 4096; +/// It IS the storage bound: `Pane.tag_tail` is `[max_tag_tail]u8`, and every +/// writer (appendTag, tagInsert, restoreDumpTail, the acmefs `tag` file) +/// refuses input that does not fit rather than truncating it, so the schema +/// limit and the buffer can never disagree. +/// +/// 512 on the P4 firmware. A tag is ONE line — a pane's path plus its command +/// words — and 4 KiB of it is 4 KiB per pane out of a 384 KiB heap. A serial +/// console is 80 columns; 512 is six of those. +pub const max_tag_tail: usize = + if (@import("pardes_config").platform == .p4) 512 else 4096; /// Output arguments are typed in the same bounded one-line tag storage. Keep /// the schema limit named independently so a dump reader can validate it /// without importing the output-pane implementation. |