On Mon, Feb 14, 2022 at 08:04:35PM +0800, Du Huanpeng wrote:
> the %zx format are used in spl from files below:
> lib/lzma/LzmaTools.c
> common/malloc_simple.c
>
> it results output like "... 0xx", "size=x" output,
> treat '%z' as '%l' to support `ssize_t' type.
>
> Signed-off-by: Du Huanpeng <d...@hodcarrier.org>
> ---
> lib/tiny-printf.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/lib/tiny-printf.c b/lib/tiny-printf.c
> index 8fc7e48..4b65f72 100644
> --- a/lib/tiny-printf.c
> +++ b/lib/tiny-printf.c
> @@ -228,7 +228,7 @@ static int _vprintf(struct printf_info *info, const char
> *fmt, va_list va)
> ch = *fmt++;
> }
> }
> - if (ch == 'l') {
> + if (ch == 'l' || ch == 'z') {
> ch = *(fmt++);
> islong = true;
> }
Generally, we try and change code rather than add more support to
tiny-printf as it's supposed to stay as tiny as possible. See
eebcdb34d061 ("malloc_simple: Remove usage of unsupported %zx format
string") for a recent example.
--
Tom
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