shithub: drawterm

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ref: 91de956e2a1eb4748c5724a9cd893a323084e2f6
parent: b0472fa6c7f5e5d50a966804197a3e40d41b4a9c
author: cinap_lenrek <cinap_lenrek@felloff.net>
date: Fri Jan 6 14:25:38 EST 2023 

devdraw: avoid parentesis warnings from gcc


--- a/kern/devdraw.c
+++ b/kern/devdraw.c
@@ -624,7 +624,7 @@
 		dscreen = this->next;
 		goto Found;
 	}
-	while(next = ds->next){	/* assign = */
+	while((next = ds->next) != nil){
 		if(next == this){
 			ds->next = this->next;
 			goto Found;
@@ -697,7 +697,7 @@
 		free(this);
 		return;
 	}
-	while(next = cs->next){	/* assign = */
+	while((next = cs->next) != nil){
 		if(next == this){
 			cs->next = this->next;
 			drawfreedscreen(this->dscreen);
@@ -721,7 +721,7 @@
 		drawfreedimage(d);
 		return;
 	}
-	while(next = d->next){	/* assign = */
+	while((next = d->next) != nil){
 		if(next->id == id){
 			d->next = next->next;
 			drawfreedimage(next);
@@ -1097,7 +1097,7 @@
 	if(QID(c->qid) == Qctl)
 		cl->busy = 0;
 	if((c->flag&COPEN) && (decref(&cl->r)==0)){
-		while(r = cl->refresh){	/* assign = */
+		while((r = cl->refresh) != nil){
 			cl->refresh = r->next;
 			free(r);
 		}