On Sat, Jul 07, 2018 at 08:22:25PM -0300, Rodrigo Siqueira wrote:
> This commit fixes the following GCC warning:
>
> warning: passing argument 2 to restrict-qualified parameter aliases with
> argument 1 [-Wrestrict]
> return (readlink (buf, buf, sizeof (buf)) != -1 &&
>
> This commit fixes the GCC warning by creating a second buffer only to
> keep the path.
>
> Signed-off-by: Rodrigo Siqueira <rodrigosiqueiram...@gmail.com>
> ---
> lib/igt_core.c | 6 +++---
> 1 file changed, 3 insertions(+), 3 deletions(-)
>
> diff --git a/lib/igt_core.c b/lib/igt_core.c
> index 3313050c..fa22f12d 100644
> --- a/lib/igt_core.c
> +++ b/lib/igt_core.c
> @@ -1169,10 +1169,10 @@ bool igt_can_fail(void)
>
> static bool run_under_gdb(void)
> {
> - char buf[1024];
> + char pathname[1024], buf[1024];
1024 for pathname is quite an overshoot. We stash at most
"/proc/%d/exec" where %d should be at most 21 or so.
> - sprintf(buf, "/proc/%d/exe", getppid());
> - return (readlink (buf, buf, sizeof (buf)) != -1 &&
> + sprintf(pathname, "/proc/%d/exe", getppid());
> + return (readlink (pathname, buf, sizeof (buf)) != -1 &&
^ while we are here we can get rid of that space
> strncmp(basename(buf), "gdb", 3) == 0);
> }
>
> --
> 2.18.0
>
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