[PATCH xserver 3/3] test: Fix sizeof expression.
Alan Coopersmith
alan.coopersmith at oracle.com
Mon Mar 27 12:57:15 UTC 2017
On 03/27/17 05:03 AM, msrb at suse.com wrote:
> From: Michal Srb <msrb at suse.com>
>
> Instead of getting (sizeof(char[10]) - 1) = 9 it was getting sizeof(char*) = 8. Not that it changes much.
>
> simple-xinit.c:90:65: warning: sizeof on pointer operation will return size of 'char *' instead of 'char [10]' [-Wsizeof-array-decay]
> ret = read(displayfd, display_string, sizeof(display_string - 1));
> ~~~~~~~~~~~~~~ ^
> ---
> test/simple-xinit.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/test/simple-xinit.c b/test/simple-xinit.c
> index 89189a6..e93f85c 100644
> --- a/test/simple-xinit.c
> +++ b/test/simple-xinit.c
> @@ -87,7 +87,7 @@ get_display(int displayfd)
> char display_string[10];
> ssize_t ret;
>
> - ret = read(displayfd, display_string, sizeof(display_string - 1));
> + ret = read(displayfd, display_string, sizeof(display_string) - 1);
> if (ret <= 0) {
> fprintf(stderr, "Failed reading displayfd: %s\n", strerror(errno));
> exit(1);
>
Reviewed-by: Alan Coopersmith <alan.coopersmith at oracle.com>
--
-Alan Coopersmith- alan.coopersmith at oracle.com
Oracle Solaris Engineering - http://blogs.oracle.com/alanc
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