diff options
| author | Jiri Slaby (SUSE) <jirislaby@kernel.org> | 2024-01-22 12:03:24 +0100 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2024-01-27 18:08:53 -0800 |
| commit | 76ec3a7a51ea3bfcb57a2e736468fdd621c7c396 (patch) | |
| tree | 7cbc72037bdb961ad3b5cc50661080a0cea23dd3 | |
| parent | 09e7f9f6c576bc5d7cc71c007379ca876db8c858 (diff) | |
tty: vt: use case ranges for CSI+m fg/bg colors
Replacing the default case with the iffery by case ranges makes the code
more understandable at last.
Signed-off-by: "Jiri Slaby (SUSE)" <jirislaby@kernel.org>
Tested-by: Helge Deller <deller@gmx.de> # parisc STI console
Link: https://lore.kernel.org/r/20240122110401.7289-11-jirislaby@kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
| -rw-r--r-- | drivers/tty/vt/vt.c | 35 |
1 files changed, 16 insertions, 19 deletions
diff --git a/drivers/tty/vt/vt.c b/drivers/tty/vt/vt.c index b2ba1b943eb6..66ebc90a9fe9 100644 --- a/drivers/tty/vt/vt.c +++ b/drivers/tty/vt/vt.c @@ -1795,25 +1795,22 @@ static void csi_m(struct vc_data *vc) vc->state.color = (vc->vc_def_color & 0xf0) | (vc->state.color & 0x0f); break; - default: - if (vc->vc_par[i] >= CSI_m_BRIGHT_FG_COLOR_BEG && - vc->vc_par[i] <= CSI_m_BRIGHT_BG_COLOR_END) { - if (vc->vc_par[i] < CSI_m_BRIGHT_BG_COLOR_BEG) - vc->state.intensity = VCI_BOLD; - vc->vc_par[i] -= CSI_m_BRIGHT_FG_COLOR_OFF; - } - if (vc->vc_par[i] >= CSI_m_FG_COLOR_BEG && - vc->vc_par[i] <= CSI_m_FG_COLOR_END) { - vc->vc_par[i] -= CSI_m_FG_COLOR_BEG; - vc->state.color = color_table[vc->vc_par[i]] | - (vc->state.color & 0xf0); - } else if (vc->vc_par[i] >= CSI_m_BG_COLOR_BEG && - vc->vc_par[i] <= CSI_m_BG_COLOR_END) { - vc->vc_par[i] -= CSI_m_BG_COLOR_BEG; - vc->state.color = (color_table[vc->vc_par[i]] << 4) | - (vc->state.color & 0x0f); - } - + case CSI_m_BRIGHT_FG_COLOR_BEG ... CSI_m_BRIGHT_FG_COLOR_END: + vc->state.intensity = VCI_BOLD; + vc->vc_par[i] -= CSI_m_BRIGHT_FG_COLOR_OFF; + fallthrough; + case CSI_m_FG_COLOR_BEG ... CSI_m_FG_COLOR_END: + vc->vc_par[i] -= CSI_m_FG_COLOR_BEG; + vc->state.color = color_table[vc->vc_par[i]] | + (vc->state.color & 0xf0); + break; + case CSI_m_BRIGHT_BG_COLOR_BEG ... CSI_m_BRIGHT_BG_COLOR_END: + vc->vc_par[i] -= CSI_m_BRIGHT_BG_COLOR_OFF; + fallthrough; + case CSI_m_BG_COLOR_BEG ... CSI_m_BG_COLOR_END: + vc->vc_par[i] -= CSI_m_BG_COLOR_BEG; + vc->state.color = (color_table[vc->vc_par[i]] << 4) | + (vc->state.color & 0x0f); break; } update_attr(vc); |