stew

commit 9cd0007204972fc84ee36857ae82e1c4eed72749
parent 6ae6525074eb4c0a703c6e560bf013e9cf429773
Author: rpa <rpa@laika>
Date:   Sun, 11 Dec 2022 23:29:25 +0000

tabul: no tstore if original and new are nil

Diffstat:
M
src/tabul/tabul.c
 | 
4
+++-

1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/src/tabul/tabul.c b/src/tabul/tabul.c
@@ -538,6 +538,8 @@ tfetch(Table *t, Point xy)
 void
 tstore(Table *t, Point xy, char *s)
 {
+	char **v = tfetch(t, xy);
+	if ((s == nil) && ((v == nil) || (*v == nil))) return;
 	Rectangle new = {
 		(xy.x < t->r.min.x) ? xy.x : t->r.min.x,
 		(xy.y < t->r.min.y) ? xy.y : t->r.min.y,
@@ -547,7 +549,7 @@ tstore(Table *t, Point xy, char *s)
 	if (eqrect(new, t->r) == 0) {
 		resizetable(t, new);
 	}
-	char **v = tfetch(t, xy);
+	v = tfetch(t, xy);
 	free(*v);
 	*v = s;
 }