[erlang-patches] Re: [PATCH] efile_drv: unsigned integer may overflow in error message
Sverker Eriksson
sverker@REDACTED
Wed Apr 6 11:05:09 CEST 2011
Michael Santos wrote:
> ---
> erts/emulator/drivers/common/efile_drv.c | 2 +-
> 1 files changed, 1 insertions(+), 1 deletions(-)
>
> diff --git a/erts/emulator/drivers/common/efile_drv.c b/erts/emulator/drivers/common/efile_drv.c
> index 4e9b500..6e62342 100644
> --- a/erts/emulator/drivers/common/efile_drv.c
> +++ b/erts/emulator/drivers/common/efile_drv.c
> @@ -410,7 +410,7 @@ struct t_data
> static void *ef_safe_alloc(Uint s)
> {
> void *p = EF_ALLOC(s);
> - if (!p) erl_exit(1, "efile drv: Can't allocate %d bytes of memory\n", s);
> + if (!p) erl_exit(1, "efile drv: Can't allocate %u bytes of memory\n", s);
> return p;
> }
>
>
May still overflow on 64-bit.
%lu bytes of memory\n", (unsigned long)s);
won't.
/Sverker
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