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]