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grid: erase: memset() the entire range in one call

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Daniel Eklöf 2019-06-19 10:58:24 +02:00
parent efc8cc4914
commit 96731814da
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GPG key ID: 5BBD4992C116573F
2 changed files with 10 additions and 10 deletions
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8
grid.c
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@ -13,17 +13,19 @@
void
grid_erase(struct grid *grid, int start, int end)
{
assert(end >= start);
memset(&grid->cells[start], 0, (end - start) * sizeof(grid->cells[0]));
for (int i = start; i < end; i++) {
struct cell *cell = &grid->cells[i];
/* TODO: memset entire range */
memset(cell, 0, sizeof(*cell));
cell->attrs.foreground = grid->foreground;
cell->attrs.background = grid->background;
cell->dirty = true;
grid->dirty = true;
}
grid->dirty = true;
}
int

12
vt.c
View file

@ -158,10 +158,9 @@ action(struct terminal *term, enum action action, uint8_t c)
LOG_DBG("execute: 0x%02x", c);
switch (c) {
case '\n':
LOG_DBG("NEWLINE: %d %d", term->grid.cursor.row, term->grid.rows);
if (term->grid.cursor.row == term->grid.rows - 1) {
if (term->grid.cursor.row == term->grid.rows - 1)
grid_scroll(&term->grid, 1);
} else
else
grid_cursor_down(&term->grid, 1);
break;
@ -194,11 +193,10 @@ action(struct terminal *term, enum action action, uint8_t c)
case ACTION_PRINT: {
if (term->grid.print_needs_wrap) {
if (term->grid.cursor.row == term->grid.rows - 1) {
assert(false);
grid_scroll(&term->grid, 1);
}
grid_cursor_to(&term->grid, term->grid.cursor.row + 1, 0);
grid_cursor_to(&term->grid, term->grid.cursor.row, 0);
} else
grid_cursor_to(&term->grid, term->grid.cursor.row + 1, 0);
}
struct cell *cell = &term->grid.cells[term->grid.linear_cursor];