tb_char_t const* tb_string_cstrfcat(tb_string_ref_t string, tb_char_t const* fmt, ...)
{
// check
tb_assert_and_check_return_val(string && fmt, tb_null);
// format data
tb_char_t p[TB_SCOPED_STRING_FMTD_SIZE] = {0};
tb_long_t n = 0;
tb_vsnprintf_format(p, TB_SCOPED_STRING_FMTD_SIZE, fmt, &n);
tb_assert_and_check_return_val(n, tb_null);
// done
return tb_string_cstrncat(string, p, n);
}
tb_long_t tb_printf(tb_char_t const* format, ...)
{
// check
tb_check_return_val(format, 0);
// format line
tb_long_t size = 0;
tb_char_t line[8192] = {0};
tb_vsnprintf_format(line, sizeof(line) - 1, format, &size);
// print it
tb_print(line);
// ok?
return size;
}
tb_long_t tb_sprintf(tb_char_t* s, tb_char_t const* fmt, ...)
{
tb_long_t ret = 0;
tb_vsnprintf_format(s, TB_MAXU32, fmt, &ret);
return ret;
}
tb_long_t tb_snprintf(tb_char_t* s, tb_size_t n, tb_char_t const* fmt, ...)
{
tb_long_t ret = 0;
tb_vsnprintf_format(s, n, fmt, &ret);
return ret;
}