alsamixer: rename attr to ch

Rename the attr variable because it contains not only the character's
attributes but also the character itself.

Signed-off-by: Clemens Ladisch <clemens@ladisch.de>

diff --git a/alsamixer/mixer_display.c b/alsamixer/mixer_display.c
index d0a0e56f9a8c05284089a9c9cceb6b7bbc75da1d..79ed9d68264bbf2bc70992f36e9bec87092b3a84 100644 (file)
--- a/alsamixer/mixer_display.c
+++ b/alsamixer/mixer_display.c
@@ -469,24 +469,23 @@ static void display_control(unsigned int control_index)
                        bar_height = ((volumes[c] - min) * volume_height +
                                      max - min - 1) / (max - min);
                        for (i = 0; i < volume_height; ++i) {
-                               int attr;
+                               chtype ch;
                                if (i + 1 > bar_height)
-                                       attr = ' ' |
-                                               (control->flags & IS_ACTIVE ?
-                                                attr_ctl_frame : 0);
+                                       ch = ' ' | (control->flags & IS_ACTIVE ?
+                                                   attr_ctl_frame : 0);
                                else {
-                                       attr = ACS_CKBOARD;
+                                       ch = ACS_CKBOARD;
 #ifdef TRICOLOR_VOLUME_BAR
                                        if (i > volume_height * 8 / 10)
-                                               attr |= attr_ctl_bar_hi;
+                                               ch |= attr_ctl_bar_hi;
                                        else if (i > volume_height * 4 / 10)
-                                               attr |= attr_ctl_bar_mi;
+                                               ch |= attr_ctl_bar_mi;
                                        else
 #endif
-                                               attr |= attr_ctl_bar_lo;
+                                               ch |= attr_ctl_bar_lo;
                                }
                                mvwaddch(mixer_widget.window, base_y - i - 1,
-                                        frame_left + c + 1, attr);
+                                        frame_left + c + 1, ch);
                        }
                }
                if (control->flags & IS_ACTIVE)