On Mon, Jan 5, 2015 at 7:03 PM, Shuah Khan <shuahkh@xxxxxxxxxxxxxxx> wrote:
> On 01/05/2015 04:19 AM, David Drysdale wrote:
>> When the shell fails to invoke a script because its path name
>> is too long (ENAMETOOLONG), most shells return 127 to indicate
>> command not found. However, some systems report 126 (which POSIX
>> suggests should indicate a non-executable file) for this case,
>> so allow that too.
>>
>> Reported-by: Geert Uytterhoeven <geert@xxxxxxxxxxxxxx>
>> Signed-off-by: David Drysdale <drysdale@xxxxxxxxxx>
>> ---
>> tools/testing/selftests/exec/execveat.c | 28 ++++++++++++++++++++++------
>> 1 file changed, 22 insertions(+), 6 deletions(-)
>>
>> diff --git a/tools/testing/selftests/exec/execveat.c b/tools/testing/selftests/exec/execveat.c
>> index d273624c93a6..0d940c6e26bd 100644
>> --- a/tools/testing/selftests/exec/execveat.c
>> +++ b/tools/testing/selftests/exec/execveat.c
>> @@ -62,7 +62,7 @@ static int _check_execveat_fail(int fd, const char *path, int flags,
>> }
>>
>> static int check_execveat_invoked_rc(int fd, const char *path, int flags,
>> - int expected_rc)
>> + int expected_rc, int expected_rc2)
>
> This logic doesn't scale well if there other expected return
> values to account for. Please think about a re-write to handle
> multiple expected return codes.
I don't think it needs to scale -- even having a second possible return
code was a bit of a surprise.
>> {
>> int status;
>> int rc;
>> @@ -99,9 +99,19 @@ static int check_execveat_invoked_rc(int fd, const char *path, int flags,
>> return 1;
>> }
>> if (WEXITSTATUS(status) != expected_rc) {
>> - printf("[FAIL] (child %d exited with %d not %d)\n",
>> - child, WEXITSTATUS(status), expected_rc);
>> - return 1;
>> + if (expected_rc != expected_rc2) {
>
> Please collapse expected_rc and expected_rc2 checks. You can rephrase
> the error message to work for both cases.
OK, will do.
> thanks,
> -- Shuah
>
> --
> Shuah Khan
> Sr. Linux Kernel Developer
> Open Source Innovation Group
> Samsung Research America (Silicon Valley)
> shuahkh@xxxxxxxxxxxxxxx | (970) 217-8978
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