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read_poll RE: PATCH: Zpty cleanup (merge 13061 with 13116)

X-seq: zsh-workers 13137
From: "Andrej Borsenkow" <Andrej.Borsenkow@xxxxxxxxxxxxxx>
To: "Bart Schaefer" <schaefer@xxxxxxxxxxxxxxxxxxxxxxx>, <zsh-workers@xxxxxxxxxxxxxx>
Subject: read_poll RE: PATCH: Zpty cleanup (merge 13061 with 13116)
Date: Wed, 8 Nov 2000 17:03:11 +0300
Importance: Normal
In-reply-to: <1001105091202.ZM29322@xxxxxxxxxxxxxxxxxxxxxxx>
Mailing-list: contact zsh-workers-help@xxxxxxxxxxxxxx; run by ezmlm

Unless I completely miss something:

read_poll tries to read from fd and stores the character it has read in
readchar; that is cmd->read when called from checkptycmd. But this value does
not seem to be used anywhere in read loop that looks like read_poll simply
eats up this readahead char ...

-andrej

References:
- PATCH: Zpty cleanup (merge 13061 with 13116)
  - From: Bart Schaefer

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