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 <[email protected]>
> Signed-off-by: David Drysdale <[email protected]>
> ---
> 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.
> {
> 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.
thanks,
-- Shuah
--
Shuah Khan
Sr. Linux Kernel Developer
Open Source Innovation Group
Samsung Research America (Silicon Valley)
[email protected] | (970) 217-8978
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