From: Po Lu <luangruo@yahoo.com>
To: Bruno Haible <bruno@clisp.org>
Cc: bug-gnulib@gnu.org
Subject: Re: fpending Android bug
Date: Sun, 15 Jan 2023 08:28:41 +0800 [thread overview]
Message-ID: <87sfgcbpza.fsf@yahoo.com> (raw)
In-Reply-To: <3831502.h0BymrIErR@nimes> (Bruno Haible's message of "Sat, 14 Jan 2023 18:07:26 +0100")
Bruno Haible <bruno@clisp.org> writes:
> Before we make any change, we need to know what is wrong, i.e. what is
> "the fpending bug on Android". You haven't said so, after I asked in
> <https://lists.gnu.org/archive/html/bug-gnulib/2022-12/msg00087.html>
>
> Please be specific: What do you mean by "not works"? Does not compile?
> Does not return which value?
Apologies for missing those details.
It doesn't compile because ->_p and ->_base are undefined in FILE *.
>> diff --git a/xcompile/lib/fpending.c b/xcompile/lib/fpending.c
>> index afa840b8512..e57155e586e 100644
>> --- a/xcompile/lib/fpending.c
>> +++ b/xcompile/lib/fpending.c
>> @@ -41,7 +41,7 @@ __fpending (FILE *fp)
>> return fp->_IO_write_ptr - fp->_IO_write_base;
>> #elif defined __sferror || defined __DragonFly__ || defined __ANDROID__
>> /* FreeBSD, NetBSD, OpenBSD, DragonFly, Mac OS X, Cygwin < 1.7.34, Minix 3, Android */
>> - return fp->_p - fp->_bf._base;
>> + return fp_->_p - fp_->_bf._base;
>> #elif defined __EMX__ /* emx+gcc */
>> return fp->_ptr - fp->_buffer;
>> #elif defined __minix /* Minix */
>
> IMO, this patch is a no-op:
>
> - If you are using an Android NDK older than r14b, the definition of
> 'struct __sFILE' is directly in <stdio.h> and thus visible.
>
> - If you are using an Android NDK r14b or newer, with __ANDROID_API__
> being < 24, the definition of 'struct __sFILE' has been moved out
> to <bits/struct_file.h> but is still included from <stdio.h> and is
> thus visible.
I'm using the NDK r25b; however, bits/struct_file.h in the NDK r25b only
includes:
__BEGIN_DECLS
/** The opaque structure implementing `FILE`. Do not make any assumptions about its content. */
struct __sFILE {
#if defined(__LP64__)
char __private[152];
#else
char __private[84];
#endif
} __attribute__((aligned(sizeof(void*))));
__END_DECLS
even when __ANDROID_API__ is 19.
> So, in order to investigate this, you need to
> - explain what you meant by "not works",
> - run your configure script with option -C,
> - report the results of
> grep -i fpending config.cache
> and
> grep -i fpending config.status
> - say which NDK version you're using,
> - say what is the __ANDROID_API__ value in your environment.
Thanks, I will do this later today.
next prev parent reply other threads:[~2023-01-15 0:29 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <87wn5pb3dv.fsf.ref@yahoo.com>
2023-01-14 14:24 ` fpending Android bug Po Lu
2023-01-14 17:07 ` Bruno Haible
2023-01-14 17:12 ` Bruno Haible
2023-01-15 0:28 ` Po Lu [this message]
2023-01-15 10:10 ` Bruno Haible
2023-01-15 11:11 ` Po Lu
2023-01-17 16:10 ` Bruno Haible
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