Module Name: src
Committed By: rillig
Date: Fri Jun 24 21:02:10 UTC 2022
Modified Files:
src/tests/usr.bin/xlint/lint1: msg_247.c
Log Message:
tests/lint: demonstrate another warning about pointer casts
To generate a diff of this commit:
cvs rdiff -u -r1.24 -r1.25 src/tests/usr.bin/xlint/lint1/msg_247.c
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:1.24 src/tests/usr.bin/xlint/lint1/msg_247.c:1.25
--- src/tests/usr.bin/xlint/lint1/msg_247.c:1.24 Fri Jun 24 20:44:53 2022
+++ src/tests/usr.bin/xlint/lint1/msg_247.c Fri Jun 24 21:02:10 2022
@@ -1,4 +1,4 @@
-/* $NetBSD: msg_247.c,v 1.24 2022/06/24 20:44:53 rillig Exp $ */
+/* $NetBSD: msg_247.c,v 1.25 2022/06/24 21:02:10 rillig Exp $ */
# 3 "msg_247.c"
// Test for message: pointer cast from '%s' to '%s' may be troublesome [247]
@@ -305,3 +305,23 @@ cast_between_first_member_struct(void *p
return t2;
}
+
+double *
+unnecessary_cast_from_array_to_pointer(int dim)
+{
+ static double storage_1d[10];
+ static double storage_2d[10][5];
+
+ if (dim == 1)
+ return (double *)storage_1d;
+
+ if (dim == -1)
+ return storage_1d;
+
+ if (dim == 2)
+ /* expect+1: warning: illegal combination of 'pointer to double' and 'pointer to array[5] of double' [184] */
+ return storage_2d;
+
+ /* expect+1: warning: pointer cast from 'pointer to array[5] of double' to 'pointer to double' may be troublesome [247] */
+ return (double *)storage_2d;
+}
