[LTP] [PATCH v5 3/5] Add fchmodat2 fallback definition

[Andrea Cervesato]

Hi,

On 8/2/24 11:55, Petr Vorel wrote:
> Hi Andrea,
>
>
>>   include/lapi/stat.h | 16 ++++++++++++++++
> What is the reason this to be added to include/lapi/stat.h?
>
> It's not a general function? (otherwise tst_safe_macros.c would be more
> appropriate).
>
> And because one day it will be defined in <sys/stat.h>?
>
> Probably ok due both reasons, but I'm just curious, also because static inline
> brought various problems in the past.
>
I was asked by Cyril to use proper headers instead of safe macros 
headers, which contain anything.
>>   1 file changed, 16 insertions(+)
>> diff --git a/include/lapi/stat.h b/include/lapi/stat.h
>> index 3606c9eb0..8e38ecfef 100644
>> --- a/include/lapi/stat.h
>> +++ b/include/lapi/stat.h
>> @@ -229,4 +229,20 @@ static inline int statx(int dirfd, const char *pathname, unsigned int flags,
>>   # define STATX_ATTR_VERITY	0x00100000
>>   #endif
>> +#define SAFE_FCHMODAT2(dfd, filename, mode, flags) \
>> +	safe_fchmodat2(__FILE__, __LINE__, (dfd), (filename), (mode), (flags))
>> +
>> +static inline int safe_fchmodat2(const char *file, const int lineno,
>> +		int dfd, const char *filename, mode_t mode, int flags)
>> +{
>> +	int ret;
>> +
>> +	ret = tst_syscall(__NR_fchmodat2, dfd, filename, mode, flags);
>> +	if (ret == -1)
>> +		tst_brk_(file, lineno, TBROK | TERRNO, "%s(%d,%s,%d,%d) error",
>> +			__func__, dfd, filename, mode, flags);
>> +
>> +	return ret;
> The code itself is obviously correct.
>
> Reviewed-by: Petr Vorel <pvorel@suse.cz>
>
> Kind regards,
> Petr
>
>> +}
>> +
>>   #endif /* LAPI_STAT_H__ */

Andrea