Hi Mike,
On Sun, Feb 26, 2012 at 1:04 PM, Mike Frysinger <vap...@gentoo.org> wrote:
> On Wednesday 15 February 2012 18:51:18 Simon Glass wrote:
>> --- a/arch/sandbox/cpu/os.c
>> +++ b/arch/sandbox/cpu/os.c
>>
>> +#include <stdio.h>
>>
>> +void os_usage(int err)
>> +{
>> + if (err < 0)
>> + fprintf(stderr, "Try `--help' for more information.\n");
>> + fprintf(err < 0 ? stderr : stdout, "u-boot, "
>> + "a command line test interface to U-Boot\n\n"
>> + "usage:\tu-boot [-ch]\n"
>> + "Options:\n"
>> + "\t-h\tDisplay help\n"
>> + "\t-c <command>\tExecute U-Boot command\n");
>
> this actually doesn't work. we're using the stdio from u-boot itself, so we
> can't use stdio.h from glibc. if it works for you, i'm pretty sure it's
> purely an accident (perhaps related to the fortification change i just
> posted).
>From memory this actually used U-Boot's fprintf, not stdio's, but I
can't really remember why it worked.
Given your efforts on the cmdline parsing I'm beginning to think we
should perhaps add os_printf() and os_printf_stderr() and provide an
explicit interface. It might only be useful prior to main(), then
again I'm not so sure.
> -mike
Regards,
Simon
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