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Description of problem:
csh does not load a corrupted history file, showing this error messge:
Can't load history: $< line too long.
This behavior is expected, although the leading "$< " is annoying, but the
maximum line size in the history file is not documented, which may confuse
the user.
Version-Release number of selected component (if applicable):
tcsh-6.18.01-17.el7_9.1.x86_64
How reproducible: always.
Steps to Reproduce: not applicable.
Actual results: the manual page does not document the maximum line size in
the history file.
Expected results: the manual page should document the maximum line size in
the history file.
Additional info:
The maximum line length is hard-coded in sh.lex.c:
$ fgrep -n -B1 -e TOOLONG tcsh-6.18.01/sh.lex.c
188- if (enterhist && toolong++ > 10 * 1024)
189: stderror(ERR_LTOOLONG);
--
306- if (enterhist && toolong++ > 256 * 1024)
307: stderror(ERR_WTOOLONG);
--
366- if (enterhist && toolong++ > 256 * 1024)
367: stderror(ERR_WTOOLONG);
So they are 256k characters in a word (including the leading space/newline)
and 10k works in a line.
The same behavior (and lack of documentation) is seen on RHEL 8 and RHEL 9,
this bug may be just cloned accordingly, if it's not considered severe enough
to be fixed on RHEL 7.
Comment 5RHEL Program Management
2023-09-21 14:31:28 UTC
Issue migration from Bugzilla to Jira is in process at this time. This will be the last message in Jira copied from the Bugzilla bug.
Comment 6RHEL Program Management
2023-09-21 14:36:31 UTC
This BZ has been automatically migrated to the issues.redhat.com Red Hat Issue Tracker. All future work related to this report will be managed there.
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