CVS commit: src

[Roland Illig]

Module Name:    src
Committed By:   rillig
Date:           Mon Jun 17 22:11:09 UTC 2024

Modified Files:
        src/tests/usr.bin/xlint/lint1: c23.c
        src/usr.bin/xlint/lint1: cgram.y

Log Message:
lint: don't warn about unused C23 [[maybe_unused]] parameters


To generate a diff of this commit:
cvs rdiff -u -r1.15 -r1.16 src/tests/usr.bin/xlint/lint1/c23.c
cvs rdiff -u -r1.505 -r1.506 src/usr.bin/xlint/lint1/cgram.y

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/c23.c
diff -u src/tests/usr.bin/xlint/lint1/c23.c:1.15 src/tests/usr.bin/xlint/lint1/c23.c:1.16
--- src/tests/usr.bin/xlint/lint1/c23.c:1.15	Mon Jun 17 17:06:48 2024
+++ src/tests/usr.bin/xlint/lint1/c23.c	Mon Jun 17 22:11:09 2024
@@ -1,4 +1,4 @@
-/*	$NetBSD: c23.c,v 1.15 2024/06/17 17:06:48 rillig Exp $	*/
+/*	$NetBSD: c23.c,v 1.16 2024/06/17 22:11:09 rillig Exp $	*/
 # 3 "c23.c"
 
 // Tests for the option -Ac23, which allows features from C23 and all earlier
@@ -168,13 +168,9 @@ typedef int number;
 
 void
 attributes_in_parameter_declaration(
-    /* expect+1: warning: parameter 'int_param' unused in function 'attributes_in_parameter_declaration' [231] */
     [[maybe_unused]] int int_param,
-    /* expect+1: warning: parameter 'const_int_param' unused in function 'attributes_in_parameter_declaration' [231] */
     [[maybe_unused]] const int const_int_param,
-    /* expect+1: warning: parameter 'typedef_param' unused in function 'attributes_in_parameter_declaration' [231] */
     [[maybe_unused]] number typedef_param,
-    /* expect+1: warning: parameter 'const_typedef_param' unused in function 'attributes_in_parameter_declaration' [231] */
     [[maybe_unused]] const number const_typedef_param)
 {
 }

Index: src/usr.bin/xlint/lint1/cgram.y
diff -u src/usr.bin/xlint/lint1/cgram.y:1.505 src/usr.bin/xlint/lint1/cgram.y:1.506
--- src/usr.bin/xlint/lint1/cgram.y:1.505	Mon Jun 17 17:06:47 2024
+++ src/usr.bin/xlint/lint1/cgram.y	Mon Jun 17 22:11:09 2024
@@ -1,5 +1,5 @@
 %{
-/* $NetBSD: cgram.y,v 1.505 2024/06/17 17:06:47 rillig Exp $ */
+/* $NetBSD: cgram.y,v 1.506 2024/06/17 22:11:09 rillig Exp $ */
 
 /*
  * Copyright (c) 1996 Christopher G. Demetriou.  All Rights Reserved.
@@ -35,7 +35,7 @@
 
 #include <sys/cdefs.h>
 #if defined(__RCSID)
-__RCSID("$NetBSD: cgram.y,v 1.505 2024/06/17 17:06:47 rillig Exp $");
+__RCSID("$NetBSD: cgram.y,v 1.506 2024/06/17 22:11:09 rillig Exp $");
 #endif
 
 #include <limits.h>
@@ -1057,6 +1057,7 @@ begin_type:
 	}
 |	attribute_specifier_sequence {
 		dcs_begin_type();
+		dcs->d_used = attributes_contain(&$1, "maybe_unused");
 	}
 ;