mirror of
https://github.com/rkd77/elinks.git
synced 2024-09-06 23:44:43 -04:00
draw_char_data: Document the dubious unicode_to_cell call.
This was found while examining bug 821.
This commit is contained in:
parent
061e3aeab5
commit
97f2ca5166
@ -120,7 +120,11 @@ draw_char_data(struct terminal *term, int x, int y, unsigned char data)
|
||||
#ifdef CONFIG_UTF8
|
||||
#ifdef CONFIG_DEBUG
|
||||
/* Detect attempt to draw double-width char on the last
|
||||
* column of terminal. */
|
||||
* column of terminal. The unicode_to_cell(data) call
|
||||
* is in principle wrong if CONFIG_UTF8 is defined but
|
||||
* UTF-8 I/O is disabled, because @data is then a byte
|
||||
* in the charset of the terminal; but unicode_to_cell
|
||||
* returns 1 for U+0000...U+00FF so it's not a problem. */
|
||||
if (unicode_to_cell(data) == 2 && x + 1 > term->width)
|
||||
INTERNAL("Attempt to draw double-width glyph on last column!");
|
||||
#endif /* CONFIG_DEBUG */
|
||||
|
Loading…
Reference in New Issue
Block a user