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Bug #8449

mdb inserts spurious newlines in wrapped input lines

Added by Robert Mustacchi almost 3 years ago. Updated almost 3 years ago.

Status:
Closed
Priority:
Normal
Assignee:
Bryan Cantrill
Category:
mdb - modular debugger
Start date:
2017-06-29
Due date:
% Done:

100%

Estimated time:
Difficulty:
Medium
Tags:
Gerrit CR:

Description

mdb inserts a (silent) newline into input buffers that exceed a line. As a result, if one attempts to cut-and-paste a multi-line mdb command, the command will be split at the terminal width boundary. Longtime mdb users have grown accustomed to this annoying behavior, developing all manners of coping strategies, but this is in fact a bug in mdb's use of the terminal: mdb is not properly detecting (and using) the automargin ("am") feature of the terminal. (Or more accurately, mdb is outthinking itself and convincing itself that it can't use the feature when it in fact should be.)

History

#1

Updated by Electric Monk almost 3 years ago

  • Status changed from New to Closed

git commit 448027eb5d1a94f6ed4660dc460928b2d3b0ff11

commit  448027eb5d1a94f6ed4660dc460928b2d3b0ff11
Author: Bryan Cantrill <bryan@joyent.com>
Date:   2017-07-18T01:57:55.000Z

    8449 mdb inserts spurious newlines in wrapped input lines
    Reviewed by: Joshua M. Clulow <jmc@joyent.com>
    Reviewed by: Dave Pacheco <dap@joyent.com>
    Reviewed by: Toomas Soome <tsoome@me.com>
    Reviewed by: Yuri Pankov <yuripv@gmx.com>
    Approved by: Dan McDonald <danmcd@joyent.com>

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