Re: [PATCH 3/7] read_in_full: reset errno before reading

From: Jonathan Nieder <jrnieder@gmail.com>
Date: Sep 26, 2017, 00:17 UTC
Message-ID: <20170926001732.GP27425@aiede.mtv.corp.google.com>
In-Reply-To: <20170926001602.GO27425@aiede.mtv.corp.google.com>

Jonathan Nieder wrote:

> On Mon, Sep 25, 2017 at 08:09:13PM -0400, Jeff King wrote:

Show 17 quoted lines

>> ENODATA is not too bad. On my glibc system it yields "No data available"
>> from strerror(), which is at least comprehensible.
>>
>> We're still left with the question of whether it is defined everywhere
>> (and what to fallback to when it isn't).
>
> So,
>
> #ifndef EUNDERFLOW
> #ifdef ENODATA
> #define ENODATA EUNDERFLOW
> #else
> #define ENODATA ESPIPE
> #endif
> #endif
>
> ?

Uh, pretend I said

#ifndef EUNDERFLOW # ifdef ENODATA # define EUNDERFLOW ENODATA # else # define EUNDERFLOW ESPIPE # endif #endif

Sorry for the nonsense. Jonathan

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