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[net] Ensure ISIG off and OPOST and ONLCR on in telnet#2545

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ghaerr merged 3 commits intomasterfrom
telnet
Dec 21, 2025
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[net] Ensure ISIG off and OPOST and ONLCR on in telnet#2545
ghaerr merged 3 commits intomasterfrom
telnet

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@ghaerr ghaerr commented Dec 21, 2025

This is mostly an additional cleanup PR, as ISIG/^O was already handled in #2543.

Now, ISIG is also disabled in WILL ECHO, as well as forcing OPOST and OCRNL on, which renders extra CRs embedded in various writes to be removed.

Also fixes potential use of uninitialized term_env variable and cleans up debug messages.

@ghaerr ghaerr merged commit 07f990d into master Dec 21, 2025
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@ghaerr ghaerr deleted the telnet branch December 21, 2025 04:28
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