[U-Boot] efi_selftest_unicode_collation.c: build warning

[Heinrich Schuchardt]

On 11/16/18 4:13 PM, Bin Meng wrote:
> Hi,
> 
> Build qemu-riscv32_defconfig with CONFIG_CMD_BOOTEFI_SELFTEST=y, the
> following build warnings were seen.
> 
> In file included from lib/efi_selftest/efi_selftest_unicode_collation.c:10:0:
> lib/efi_selftest/efi_selftest_unicode_collation.c: In function 'test_stri_coll':
> lib/efi_selftest/efi_selftest_unicode_collation.c:55:4: warning:
> format '%zu' expects argument of type 'size_t', but argument 5 has
> type 'ssize_t {aka long int}' [-Wformat=]
>     "stri_coll(\"%ps\", \"%ps\") = %zu\n", c1, c2, ret);
>     ^
> include/efi_selftest.h:33:30: note: in definition of macro 'efi_st_error'
>   efi_st_printc(EFI_LIGHTRED, __VA_ARGS__))
>                               ^~~~~~~~~~~
> lib/efi_selftest/efi_selftest_unicode_collation.c:63:4: warning:
> format '%zu' expects argument of type 'size_t', but argument 5 has
> type 'ssize_t {aka long int}' [-Wformat=]
>     "stri_coll(\"%ps\", \"%ps\") = %zu\n", c1, c3, ret);
>     ^
> include/efi_selftest.h:33:30: note: in definition of macro 'efi_st_error'
>   efi_st_printc(EFI_LIGHTRED, __VA_ARGS__))
>                               ^~~~~~~~~~~
> lib/efi_selftest/efi_selftest_unicode_collation.c:71:4: warning:
> format '%zu' expects argument of type 'size_t', but argument 5 has
> type 'ssize_t {aka long int}' [-Wformat=]
>     "stri_coll(\"%ps\", \"%ps\") = %zu\n", c3, c1, ret);
>     ^
> include/efi_selftest.h:33:30: note: in definition of macro 'efi_st_error'
>   efi_st_printc(EFI_LIGHTRED, __VA_ARGS__))
>                               ^~~~~~~~~~~
> 
> Could you please take a look?
> 
> Regards,
> Bin
> 
Hello Bin,

thanks for reporting.

Alex has merged into efi-next

https://github.com/agraf/u-boot/commit/52df421e3987c35291bdf8c7c9a46f83ae3d0bae
efi_loader: do not use unsupported printf code

This should solve the problem you are reporting.

Best regards

Heinrich