Bug 1330363

Summary: MAXLINE of ksh is not long enough
Product: Red Hat Enterprise Linux 6 Reporter: JQK <jquan>
Component: kshAssignee: Siteshwar Vashisht <svashisht>
Status: CLOSED CANTFIX QA Contact: BaseOS QE - Apps <qe-baseos-apps>
Severity: medium Docs Contact:
Priority: unspecified    
Version: 6.7CC: juhu, kdudka
Target Milestone: rc   
Target Release: ---   
Hardware: Unspecified   
OS: Linux   
Whiteboard:
Fixed In Version: Doc Type: Bug Fix
Doc Text:
Story Points: ---
Clone Of: Environment:
Last Closed: 2017-06-13 08:10:11 UTC Type: Bug
Regression: --- Mount Type: ---
Documentation: --- CRM:
Verified Versions: Category: ---
oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: --- Target Upstream Version:

Description JQK 2016-04-26 03:24:49 UTC 
Description of problem:

MAXLINE of ksh is not long enough

Version-Release number of selected component (if applicable):

ksh-20120801-28.el6.x86_64.rpm

[ENV]
# ksh
# echo $LANG
en_US.utf8

How reproducible:

Every time.

Steps to Reproduce:

In RHEL6.7 ksh, in the command line, when the LANG is utf-8, it seems that I can only input 1019 char(nearly to 1024).

In the following example, I have input "1234567890" by 101 times, but
continuely I can only input one "123456789" after that.

=========[example]==================================
# ksh
#
12345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789
===========================================

Actual results:

In RHEL6.7 ksh, in the command line, it seems that I can only input 1019
char(nearly to 1024).

Expected results:

Make it more such as 2048 or 4096 when using utf-8


Additional info:

After digging the src code, the *MAXLINE* is defined as following:

==================
src/cmd/ksh93/include/edit.h
：
63 #define MAXLINE 1024            /* longest edit line permitted */
：
==================

After make the MAXLINE more such as 2048, then re-compile a new rpm and install it on rhel6, then I can input more char in ksh cmd-line with utf-8.
Comment 2 Jun Hu 2016-08-04 02:42:54 UTC 
what's the progress, had the new release that resolve the issue published?