diff options
Diffstat (limited to 'drivers/char/vt.c')
| -rw-r--r-- | drivers/char/vt.c | 18 |
1 files changed, 13 insertions, 5 deletions
diff --git a/drivers/char/vt.c b/drivers/char/vt.c index bbd9fc41287..6650ae1c088 100644 --- a/drivers/char/vt.c +++ b/drivers/char/vt.c @@ -1956,7 +1956,7 @@ char con_buf[CON_BUF_SIZE]; DEFINE_MUTEX(con_buf_mtx); /* is_double_width() is based on the wcwidth() implementation by - * Markus Kuhn -- 2003-05-20 (Unicode 4.0) + * Markus Kuhn -- 2007-05-26 (Unicode 5.0) * Latest version: http://www.cl.cam.ac.uk/~mgk25/ucs/wcwidth.c */ struct interval { @@ -1988,8 +1988,8 @@ static int is_double_width(uint32_t ucs) static const struct interval double_width[] = { { 0x1100, 0x115F }, { 0x2329, 0x232A }, { 0x2E80, 0x303E }, { 0x3040, 0xA4CF }, { 0xAC00, 0xD7A3 }, { 0xF900, 0xFAFF }, - { 0xFE30, 0xFE6F }, { 0xFF00, 0xFF60 }, { 0xFFE0, 0xFFE6 }, - { 0x20000, 0x2FFFD }, { 0x30000, 0x3FFFD } + { 0xFE10, 0xFE19 }, { 0xFE30, 0xFE6F }, { 0xFF00, 0xFF60 }, + { 0xFFE0, 0xFFE6 }, { 0x20000, 0x2FFFD }, { 0x30000, 0x3FFFD } }; return bisearch(ucs, double_width, sizeof(double_width) / sizeof(*double_width) - 1); @@ -2187,9 +2187,12 @@ rescan_last_byte: continue; /* nothing to display */ } /* Glyph not found */ - if (!(vc->vc_utf && !vc->vc_disp_ctrl) && !(c & ~charmask)) { + if ((!(vc->vc_utf && !vc->vc_disp_ctrl) || c < 128) && !(c & ~charmask)) { /* In legacy mode use the glyph we get by a 1:1 mapping. - This would make absolutely no sense with Unicode in mind. */ + This would make absolutely no sense with Unicode in mind, + but do this for ASCII characters since a font may lack + Unicode mapping info and we don't want to end up with + having question marks only. */ tc = c; } else { /* Display U+FFFD. If it's not found, display an inverse question mark. */ @@ -2213,6 +2216,7 @@ rescan_last_byte: } else { vc_attr = ((vc->vc_attr) & 0x88) | (((vc->vc_attr) & 0x70) >> 4) | (((vc->vc_attr) & 0x07) << 4); } + FLUSH } while (1) { @@ -2246,6 +2250,10 @@ rescan_last_byte: if (tc < 0) tc = ' '; } + if (inverse) { + FLUSH + } + if (rescan) { rescan = 0; inverse = 0; |