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From: Hans Henrik Bergan <divinity76@gmail.com>
Date: Mon, 3 Oct 2022 18:59:02 +0200
Message-ID: <CAJmy8YFQuc0Pxx_3wEZ_dzNzy9S35E-RC2uhMzhBryNFiwoNcg@mail.gmail.com>
Subject: Re: Cygwin 3.3.6: PHP's SplFileObject::fwrite seems broken
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@Ken Brown
>I don't think you wrote what you meant. You're not saying that explicitly specifying the default value changes the behavior, are you? Maybe you meant to say that the default mode is "r"?

sorry about that, i meant "ab" makes the code work.

@Andrey Repin
>php -d 'display_errors=stderr'
>?

adding -d 'display_errors=stderr'  does not make any difference. still
int(0) NULL


On Sun, 2 Oct 2022 at 15:50, Andrey Repin <anrdaemon@yandex.ru> wrote:
>
> Greetings, Hans Henrik Bergan!
>
> > ... actually i forgot that the default fopen mode is "rb" ... anyhow, here
> > is what's supposed to happen:
> > $ touch bug.txt; chmod 0777 bug.txt; php -r '$o=new
> > SplFileObject("bug.txt");var_dump($o->fwrite("test"));var_dump(error_get_last());'
> > PHP Notice:  SplFileObject::fwrite(): Write of 4 bytes failed with errno=9
> > Bad file descriptor in Command line code on line 1
> > bool(false)
> > array(4) {
> >   ["type"]=>
> >   int(8)
> >   ["message"]=>
> >   string(81) "SplFileObject::fwrite(): Write of 4 bytes failed with errno=9
> > Bad file descriptor"
> >   ["file"]=>
> >   string(17) "Command line code"
> >   ["line"]=>
> >   int(1)
> > }
>
> > changing the code to SplFileObject("bug.txt", "rb");
> > makes the code work, but there's still the issue with cygwin's php's
> > SplFileObject::fwrite() not noticing the write error
>
> php -d 'display_errors=stderr'
> ?
>
> > On Sat, 1 Oct 2022 at 18:47, Hans Henrik Bergan <divinity76@gmail.com>
> > wrote:
>
> >> running PHP 7.3.7 in Cygwin 3.3.6, and SplFileObject::fwrite seems
> >> completely broken.
> >> to reproduce:
> >> $ touch bug.txt; chmod 0777 bug.txt; php -r '$o=new
> >> SplFileObject("bug.txt");var_dump($o->fwrite("test"));var_dump(error_get_last());'
> >> int(0)
> >> NULL
> >>
> >> so both fwrite() and error_get_last() failed to pick up that there was an
> >> error,
> >> but strace reveals:
> >> 67 487251 [main] php 1693 __set_errno: ssize_t write(int, const void*,
> >> size_t):1350 setting errno 9
> >> 60 487311 [main] php 1693 write: -1 = write(3, 0x6FFFFFE65BF8, 4), errno 9
> >>
> >> errno 9 probably means: 9 EBADF Bad file descriptor.
> >>
>
>
>
> --
> With best regards,
> Andrey Repin
> Sunday, October 2, 2022 16:49:02
>
> Sorry for my terrible english...
>

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