Re: [PATCH 05/11] vt: update ucs_width.c using gen_ucs_width.py

kernel test robot
2025-04-11T03:47:22Z

Hi Nicolas,

kernel test robot noticed the following build warnings:

[auto build test WARNING on tty/tty-testing]
[also build test WARNING on tty/tty-next tty/tty-linus linus/master v6.15-rc1 next-20250410]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch#_base_tree_information]

url: https://github.com/intel-lab-lkp/linux/commits/Nicolas-Pitre/vt-minor-cleanup-to-vc_translate_unicode/20250410-092318
base: https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty.git tty-testing
patch link: https://lore.kernel.org/r/20250410011839.64418-6-nico%40fluxnic.net
patch subject: [PATCH 05/11] vt: update ucs_width.c using gen_ucs_width.py
config: csky-randconfig-001-20250411 (https://download.01.org/0day-ci/archive/20250411/202504111036.YH1iEqBR-lkp@intel.com/config)
compiler: csky-linux-gcc (GCC) 14.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250411/202504111036.YH1iEqBR-lkp@intel.com/reproduce)

If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202504111036.YH1iEqBR-lkp@intel.com/

All warnings (new ones prefixed by >>):

>> drivers/tty/vt/ucs_width.c:485: warning: Function parameter or struct member 'cp' not described in 'ucs_is_zero_width'
>> drivers/tty/vt/ucs_width.c:485: warning: expecting prototype for Determine if a Unicode code point is zero(). Prototype was for ucs_is_zero_width() instead
>> drivers/tty/vt/ucs_width.c:496: warning: Function parameter or struct member 'cp' not described in 'ucs_is_double_width'
>> drivers/tty/vt/ucs_width.c:496: warning: expecting prototype for Determine if a Unicode code point is double(). Prototype was for ucs_is_double_width() instead

vim +485 drivers/tty/vt/ucs_width.c

477
478 /**
479 * Determine if a Unicode code point is zero-width.
480 *
481 * @param ucs: Unicode code point (UCS-4)
482 * Return: true if the character is zero-width, false otherwise
483 */
484 bool ucs_is_zero_width(uint32_t cp)
> 485 {
486 return is_in_interval(cp, zero_width_ranges, ARRAY_SIZE(zero_width_ranges));
487 }
488
489 /**
490 * Determine if a Unicode code point is double-width.
491 *
492 * @param ucs: Unicode code point (UCS-4)
493 * Return: true if the character is double-width, false otherwise
494 */
495 bool ucs_is_double_width(uint32_t cp)
> 496 {

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