diff options
| -rw-r--r-- | st.c | 30 |
1 files changed, 12 insertions, 18 deletions
@@ -1586,37 +1586,31 @@ tclearregion(int x1, int y1, int x2, int y2) { void tdeletechar(int n) { - int src = term.c.x + n; - int dst = term.c.x; - int size = term.col - src; + int dst, src, size; - term.dirty[term.c.y] = 1; + LIMIT(n, 0, term.col - term.c.x); - if(src >= term.col) { - tclearregion(term.c.x, term.c.y, term.col-1, term.c.y); - return; - } + dst = term.c.x; + src = term.c.x + n; + size = term.col - src; memmove(&term.line[term.c.y][dst], &term.line[term.c.y][src], - size * sizeof(Glyph)); + size * sizeof(Glyph)); tclearregion(term.col-n, term.c.y, term.col-1, term.c.y); } void tinsertblank(int n) { - int src = term.c.x; - int dst = src + n; - int size = term.col - dst; + int dst, src, size; - term.dirty[term.c.y] = 1; + LIMIT(n, 0, term.col - term.c.x); - if(dst >= term.col) { - tclearregion(term.c.x, term.c.y, term.col-1, term.c.y); - return; - } + dst = term.c.x + n; + src = term.c.x; + size = term.col - dst; memmove(&term.line[term.c.y][dst], &term.line[term.c.y][src], - size * sizeof(Glyph)); + size * sizeof(Glyph)); tclearregion(src, term.c.y, dst - 1, term.c.y); } |