[PATCH v2] Make some standard open() flags visible

[Sebastian Huber]

On 10/10/2018 17:00, Corinna Vinschen wrote:
>> +/* POSIX-1.2008 specific flags */
>> +#if __POSIX_VISIBLE >= 200809
>> +#define	O_CLOEXEC	_FNOINHERIT
>> +#define	O_NOFOLLOW	_FNOFOLLOW
>> +#define	O_DIRECTORY	_FDIRECTORY
>> +#define	O_EXEC		_FEXECSRCH
>> +#define	O_SEARCH	_FEXECSRCH
>> +#endif
>> +
>> +#if __BSD_VISIBLE
>> +#define	O_DIRECT	_FDIRECT
>> +#endif
>> +
>> +#if defined (__CYGWIN__)
>>   #define O_BINARY	_FBINARY
>>   #define O_TEXT		_FTEXT
>>   #define O_DSYNC         _FSYNC
>>   #define O_RSYNC         _FSYNC
>> -#define O_EXEC          _FEXECSRCH
>> -#define O_SEARCH        _FEXECSRCH
>> -
>> -/* POSIX-1.2008 specific flags */
>> -#if __POSIX_VISIBLE >= 200809
> Doesn't that require to #define _POSIX_C_SOURCE 200809L in your
> libc/posix/opendir.c patch?
>

This POSIX standard is visible by default:

echo "#include <sys/cdefs.h>" > test.c
arm-rtems5-gcc -E test.c -o - -Wp,-dD | grep VISIBLE
#define __ATFILE_VISIBLE 1
#define __BSD_VISIBLE 1
#define __GNU_VISIBLE 0
#define __ISO_C_VISIBLE 2011
#define __LARGEFILE_VISIBLE 0
#define __MISC_VISIBLE 1
#define __POSIX_VISIBLE 200809
#define __SVID_VISIBLE 1
#define __XSI_VISIBLE 0

-- 
Sebastian Huber, embedded brains GmbH

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