On Thu, Aug 09, 2018 at 10:33:12AM +0200, Uwe Kleine-König wrote:
> This makes the following do the expected thing:
>
> barebox@barebox sandbox:/ ls -l lala
> -rwxrwxrwx 4 lala
> barebox@barebox sandbox:/ mw -d lala 72 0
>
> Without this patch mw dies with
>
> lseek: Invalid argument
>
> memset, memcpy and probably others benefit in the same way.
>
> Signed-off-by: Uwe Kleine-König <u.kleine-koe...@pengutronix.de>
> ---
> lib/libfile.c | 18 ++++++++++++++++++
> 1 file changed, 18 insertions(+)
>
> diff --git a/lib/libfile.c b/lib/libfile.c
> index 83c6399a5b39..01c59cdb80fe 100644
> --- a/lib/libfile.c
> +++ b/lib/libfile.c
> @@ -510,6 +510,24 @@ int open_and_lseek(const char *filename, int mode,
> loff_t pos)
> if (!pos)
> return fd;
>
> + if (mode & (O_WRONLY | O_RDWR)) {
> + struct stat s;
> +
> + ret = fstat(fd, &s);
> + if (ret) {
> + perror("ftruncate");
I assume this "ftruncate" did not happen on purpose, right? Replaced
with "fstat" and applied.
Sascha
--
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