[patch] Fix BZ 19165 -- overflow in fread / fwrite

[Andreas Schwab]

Paul Pluzhnikov <ppluzhnikov@google.com> writes:

> diff --git a/libio/iofread.c b/libio/iofread.c
> index eb69b05..a8ea391 100644
> --- a/libio/iofread.c
> +++ b/libio/iofread.c
> @@ -37,7 +37,7 @@ _IO_fread (void *buf, _IO_size_t size, _IO_size_t count, _IO_FILE *fp)
>    _IO_acquire_lock (fp);
>    bytes_read = _IO_sgetn (fp, (char *) buf, bytes_requested);
>    _IO_release_lock (fp);
> -  return bytes_requested == bytes_read ? count : bytes_read / size;
> +  return bytes_read / size;
>  }
>  libc_hidden_def (_IO_fread)
>  

Please add a comment why we ignore overflow here.

Andreas.

-- 
Andreas Schwab, SUSE Labs, schwab@suse.de
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