[RFC 3/3] libbb: read_full: use read return instead size

[Alexander Aring]

On Fri, Feb 28, 2014 at 08:44:28AM +0100, Alexander Aring wrote:
> Signed-off-by: Alexander Aring <alex.aring at gmail.com>
> ---
>  lib/libbb.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/lib/libbb.c b/lib/libbb.c
> index 189a170..c8d0835 100644
> --- a/lib/libbb.c
> +++ b/lib/libbb.c
> @@ -162,7 +162,7 @@ int read_full(int fd, void *buf, size_t size)
>  	int now;
>  	int total = 0;
>  
> -	while (size) {
> +	while (now) {
>  		now = read(fd, buf, size);
>  		if (now == 0)
>  			return total;
and this should be a:

do {
...
} while (now);

sry, it's only to demonstrate the issue.

- Alex