BBS:      TELESC.NET.BR
Assunto:  src/syncterm/Wren.adoc src/syncterm/scripts/syncterm.wren wrentest.wre
De:       Deuc¨
Data:     Tue, 28 Apr 2026 09:22:53 -0700
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https://gitlab.synchro.net/main/sbbs/-/commit/b743852183205e720d9cc8f1
Modified Files:
	src/syncterm/Wren.adoc src/syncterm/scripts/syncterm.wren wrentest.wren src/syncterm/wren_bind.c
Log Message:
SyncTERM: File.readLine + File.writeLine

readLine() reads from the current offset to the first LF (0x0A) or
EOF and returns the bytes with any trailing LF removed.  Offset
advances past the LF on a hit, or to EOF if none found.  Returns
null when already at EOF so a typical loop terminates cleanly; a
blank line is the empty string, distinct from EOF.

writeLine(s) writes the bytes of s at the current offset, then
appends an LF.  Offset advances past the LF.  No special-casing if
s already ends in LF  writeBytes() is the way to opt out of the
trailing-LF behavior.

Implementation chunks reads through a 512-byte buffer with
geometric growth on long lines, so a 100GB file with short lines
doesn't allocate the whole remainder up front.

Co-Authored-By: Claude Opus 4.7 (1M context) 
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