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[src/trunk]: src/tests/usr.bin/xlint/lint1 tests/lint: add test for unconst p...
details: https://anonhg.NetBSD.org/src/rev/5153740b3b34
branches: trunk
changeset: 953164:5153740b3b34
user: rillig <rillig%NetBSD.org@localhost>
date: Sun Feb 28 01:36:46 2021 +0000
description:
tests/lint: add test for unconst pointer cast
diffstat:
tests/usr.bin/xlint/lint1/msg_275.c | 17 ++++++++++++++---
tests/usr.bin/xlint/lint1/msg_275.exp | 2 +-
2 files changed, 15 insertions(+), 4 deletions(-)
diffs (31 lines):
diff -r 88fb9931d73b -r 5153740b3b34 tests/usr.bin/xlint/lint1/msg_275.c
--- a/tests/usr.bin/xlint/lint1/msg_275.c Sun Feb 28 01:30:22 2021 +0000
+++ b/tests/usr.bin/xlint/lint1/msg_275.c Sun Feb 28 01:36:46 2021 +0000
@@ -1,7 +1,18 @@
-/* $NetBSD: msg_275.c,v 1.2 2021/02/21 09:07:58 rillig Exp $ */
+/* $NetBSD: msg_275.c,v 1.3 2021/02/28 01:36:46 rillig Exp $ */
# 3 "msg_275.c"
// Test for message: cast discards 'const' from pointer target type [275]
-TODO: "Add example code that triggers the above message." /* expect: 249 */
-TODO: "Add example code that almost triggers the above message."
+/* lint1-extra-flags: -h */
+
+char *
+unconst_string(const char *s)
+{
+ return (char *)s; /* expect: 275 */
+}
+
+const char *
+const_string(char *s)
+{
+ return (const char *)s;
+}
diff -r 88fb9931d73b -r 5153740b3b34 tests/usr.bin/xlint/lint1/msg_275.exp
--- a/tests/usr.bin/xlint/lint1/msg_275.exp Sun Feb 28 01:30:22 2021 +0000
+++ b/tests/usr.bin/xlint/lint1/msg_275.exp Sun Feb 28 01:36:46 2021 +0000
@@ -1,1 +1,1 @@
-msg_275.c(6): syntax error ':' [249]
+msg_275.c(11): warning: cast discards 'const' from type 'pointer to const char' [275]
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