lib_vsprintf: Add %pV format support
test case:
void test(const char *fmt, ...)
{
struct va_format vaf;
va_list ap;
va_start(ap, fmt);
vaf.fmt = fmt;
vaf.va = ≈
printf("func:%s, %pV, line:%d\n", __func__, &vaf, __LINE__);
va_end(ap);
}
int main(int argc, FAR char *argv[])
{
char str[] = "Hello Boy and Girl!";
int count = 10;
test("%s %d", str, count);
return 0;
}
>> test
func:test, Hello Boy and Girl! 10, line:49
Signed-off-by: Jiuzhu Dong <dongjiuzhu1@xiaomi.com>
