Module Name:    src
Committed By:   rillig
Date:           Sun Mar 14 21:44:35 UTC 2021

Modified Files:
        src/tests/usr.bin/xlint/lint1: msg_247.c msg_247.exp

Log Message:
tests/lint: add test for message 247 for pointer to unnamed struct


To generate a diff of this commit:
cvs rdiff -u -r1.3 -r1.4 src/tests/usr.bin/xlint/lint1/msg_247.c
cvs rdiff -u -r1.1 -r1.2 src/tests/usr.bin/xlint/lint1/msg_247.exp

Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.

Modified files:

Index: src/tests/usr.bin/xlint/lint1/msg_247.c
diff -u src/tests/usr.bin/xlint/lint1/msg_247.c:1.3 src/tests/usr.bin/xlint/lint1/msg_247.c:1.4
--- src/tests/usr.bin/xlint/lint1/msg_247.c:1.3	Sun Feb 28 12:40:00 2021
+++ src/tests/usr.bin/xlint/lint1/msg_247.c	Sun Mar 14 21:44:35 2021
@@ -1,7 +1,21 @@
-/*	$NetBSD: msg_247.c,v 1.3 2021/02/28 12:40:00 rillig Exp $	*/
+/*	$NetBSD: msg_247.c,v 1.4 2021/03/14 21:44:35 rillig Exp $	*/
 # 3 "msg_247.c"
 
 // Test for message: pointer cast from '%s' to '%s' may be troublesome [247]
 
-TODO: "Add example code that triggers the above message." /* expect: 249 */
-TODO: "Add example code that almost triggers the above message."
+/* lint1-extra-flags: -c */
+
+/* example taken from Xlib.h */
+typedef struct {
+	int id;
+} *PDisplay;
+
+struct Other {
+	int id;
+};
+
+void
+example(struct Other *arg)
+{
+	PDisplay display = (PDisplay)arg;	/* expect: 247 */
+}

Index: src/tests/usr.bin/xlint/lint1/msg_247.exp
diff -u src/tests/usr.bin/xlint/lint1/msg_247.exp:1.1 src/tests/usr.bin/xlint/lint1/msg_247.exp:1.2
--- src/tests/usr.bin/xlint/lint1/msg_247.exp:1.1	Sat Jan  2 10:22:44 2021
+++ src/tests/usr.bin/xlint/lint1/msg_247.exp	Sun Mar 14 21:44:35 2021
@@ -1 +1 @@
-msg_247.c(6): syntax error ':' [249]
+msg_247.c(20): warning: pointer cast from 'pointer to struct Other' to 'pointer to struct <unnamed>' may be troublesome [247]

Reply via email to