libmemdraw: fix CID 154389 (uninitialized variable)

2017-08-14 13:00:30 +02:00 · 2017-08-14 13:00:30 +02:00 · 8464d1a277
parent 93c784fa3f
commit 8464d1a277
1 changed files with 38 additions and 37 deletions
--- a/sys/src/lib/memdraw/draw.c
+++ b/sys/src/lib/memdraw/draw.c
@ -1672,6 +1672,7 @@ readptr(Param *p, uint8_t *s, int y)
 	uint8_t *q;

 	USED(s);
+	memset(&b, 0, sizeof(Buffer);
 	q = p->bytermin + y*p->bwidth;
 	b.red = q;	/* ptr to data */
 	b.grn = b.blu = b.grey = b.alpha = nil;