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[src/trunk]: src/tests/usr.bin/xlint/lint1 tests/lint: add test for message 2...
details: https://anonhg.NetBSD.org/src/rev/a6239cef5997
branches: trunk
changeset: 1019596:a6239cef5997
user: rillig <rillig%NetBSD.org@localhost>
date: Sun Mar 14 21:44:35 2021 +0000
description:
tests/lint: add test for message 247 for pointer to unnamed struct
diffstat:
tests/usr.bin/xlint/lint1/msg_247.c | 20 +++++++++++++++++---
tests/usr.bin/xlint/lint1/msg_247.exp | 2 +-
2 files changed, 18 insertions(+), 4 deletions(-)
diffs (34 lines):
diff -r 769ed8003d62 -r a6239cef5997 tests/usr.bin/xlint/lint1/msg_247.c
--- a/tests/usr.bin/xlint/lint1/msg_247.c Sun Mar 14 20:41:39 2021 +0000
+++ b/tests/usr.bin/xlint/lint1/msg_247.c Sun Mar 14 21:44:35 2021 +0000
@@ -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 */
+}
diff -r 769ed8003d62 -r a6239cef5997 tests/usr.bin/xlint/lint1/msg_247.exp
--- a/tests/usr.bin/xlint/lint1/msg_247.exp Sun Mar 14 20:41:39 2021 +0000
+++ b/tests/usr.bin/xlint/lint1/msg_247.exp Sun Mar 14 21:44:35 2021 +0000
@@ -1,1 +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]
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