sob

commit ecbcb2bbd312eba1c8dcd5194c253c2d1da448da
parent 2d13beded20b1db3647de8a233c1d5b2ae2b4053
Author: Hiltjo Posthuma <hiltjo@codemadness.org>
Date:   Fri, 10 Oct 2014 22:54:29 +0000

simplify line_cursor_move a bit

Diffstat:
M
sob.c
 | 
9
++++-----

1 file changed, 4 insertions(+), 5 deletions(-)
diff --git a/sob.c b/sob.c
@@ -261,15 +261,14 @@ line_out(void)
 static void
 line_cursor_move(size_t newpos)
 {
-	size_t len, y = 0, x = newpos;
+	size_t x, y = 0;
 
-	len = line_promptlen();
-	x += len;
+	x = newpos + line_promptlen();
 
 	/* linewrap */
 	if(cols > 0 && x > (size_t)cols - 1) {
-		x = x % cols;
-		y = ((newpos + len) - x) / cols;
+		y = (x - (x % cols)) / cols;
+		x %= cols;
 	}
 	fprintf(outfp, "\x1b[%zu;%zuH", y + 1, x + 1);
 	fflush(outfp);