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Re: [Bug-readline] readline 8.0 in windows

From: Chet Ramey
Subject: Re: [Bug-readline] readline 8.0 in windows
Date: Wed, 3 Apr 2019 16:29:17 -0400
User-agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.14; rv:60.0) Gecko/20100101 Thunderbird/60.6.1

On 4/3/19 4:03 PM, JohnD wrote:
> Version: 8.0-release
> Windows 10, mingw64-w64.
> I'm attempting to use readline in a mingw compiled project and am seeing
> that the history save is failing. If the history file doesn't exist it is
> working, on having a history file, it fails.
> Previously I was using v6.2 without any issues
> Printing the status out in the sources to find out where it fails, it is
> failing in histfile_restore when calling the rename function, which looks to
> have been added for version 7.0
> According to http://www.cplusplus.com/reference/cstdio/rename/ if the dest
> file already exists, the function may either fail or override the existing
> file, depending on the specific system and library implementation.

Well, those are terrible semantics. So much for atomic rename and leaving
newpath in place on a file system error.

I don't use Windows, but you could try adding


before the calls to rename() (or, if you're using a version of readline
distributed by MinGW, file a bug report with them). Let me know if it


``The lyf so short, the craft so long to lerne.'' - Chaucer
                 ``Ars longa, vita brevis'' - Hippocrates
Chet Ramey, UTech, CWRU    address@hidden    http://tiswww.cwru.edu/~chet/

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