status

Commit: bc0ff7dbd6d4725f8a07c65139ce464b6454591a
Parent: b2ee5d2e1cd45f0de824e032a2a8dc01592a41aa
Author: Randy Palamar
Date:   Fri, 20 Oct 2023 06:31:22 -0600

properly clear block when its length changes to 0

Diffstat:
M
status.c
 | 
7
+++++--

1 file changed, 5 insertions(+), 2 deletions(-)
diff --git a/status.c b/status.c
@@ -35,8 +35,11 @@ static void
 updateblock(struct Block *b)
 {
 	b->len = b->fn(b);
-	if (memcmp(b->curstr, b->prevstr, b->len)) {
-		memcpy(b->prevstr, b->curstr, b->len);
+	if (b->len == 0 || memcmp(b->curstr, b->prevstr, b->len)) {
+		if (b->len == 0)
+			b->prevstr[0] = b->curstr[0] = 0;
+		else
+			memcpy(b->prevstr, b->curstr, b->len);
 		if (!dirty || b < dirty)
 			dirty = b;
 	}