On Fri, Jun 26, 2015 at 12:29 AM, Vinson Lee <[email protected]> wrote:
> From: Vinson Lee <[email protected]>
>
> This patch fixes this build error on CentOS 5.
>
> execveat.c: In function ‘check_execveat_pathmax’:
> execveat.c:185: error: ‘AT_EMPTY_PATH’ undeclared (first use in this function)
> execveat.c:185: error: (Each undeclared identifier is reported only once
> execveat.c:185: error: for each function it appears in.)
> execveat.c: In function ‘run_tests’:
> execveat.c:221: error: ‘O_PATH’ undeclared (first use in this function)
> execveat.c:222: error: ‘O_CLOEXEC’ undeclared (first use in this function)
> execveat.c:258: error: ‘AT_EMPTY_PATH’ undeclared (first use in this function)
>
> Cc: [email protected] # 3.19+
> Signed-off-by: Vinson Lee <[email protected]>
> ---
>  tools/testing/selftests/exec/execveat.c | 10 ++++++++++
>  1 file changed, 10 insertions(+)
>
> diff --git a/tools/testing/selftests/exec/execveat.c 
> b/tools/testing/selftests/exec/execveat.c
> index 8d5d1d2..170148d 100644
> --- a/tools/testing/selftests/exec/execveat.c
> +++ b/tools/testing/selftests/exec/execveat.c
> @@ -20,6 +20,16 @@
>  #include <string.h>
>  #include <unistd.h>
>
> +#ifndef AT_EMPTY_PATH
> +# define AT_EMPTY_PATH 0x1000
> +#endif
> +#ifndef O_PATH
> +# define O_PATH 010000000
> +#endif
> +#ifndef O_CLOEXEC
> +# define O_CLOEXEC 02000000
> +#endif
> +

Won't those definitions affect the arch-independence of the test?

(The O_* constants are sadly arch-specific:
http://lxr.free-electrons.com/ident?i=O_PATH)

>  static char longpath[2 * PATH_MAX] = "";
>  static char *envp[] = { "IN_TEST=yes", NULL, NULL };
>  static char *argv[] = { "execveat", "99", NULL };
> --
> 1.8.2.1
>
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