From: Ondřej Surý <ondrej@isc.org>
Date: Tue, 18 Oct 2022 09:15:57 +0000 (+0200)
Subject: Add ISC_{LIST,LINK}_INITIALIZER for designated initializers
X-Git-Tag: v9.19.7~52^2~1
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=cb3c36b8bf926e208b9817926d40cf7956f34b67;p=thirdparty%2Fbind9.git

Add ISC_{LIST,LINK}_INITIALIZER for designated initializers

Since we are using designated initializers, we were missing initializers
for ISC_LIST and ISC_LINK, add them, so you can do

    *foo = (foo_t){ .list = ISC_LIST_INITIALIZER };

Instead of:

    *foo = (foo_t){ 0 };
    ISC_LIST_INIT(foo->list);
---

diff --git a/lib/isc/include/isc/list.h b/lib/isc/include/isc/list.h
index b7a783c3adb..007cec0f30d 100644
--- a/lib/isc/include/isc/list.h
+++ b/lib/isc/include/isc/list.h
@@ -15,6 +15,16 @@
 
 #include <isc/assertions.h>
 
+#define ISC_LIST_INITIALIZER                \
+	{                                   \
+		.head = NULL, .tail = NULL, \
+	}
+#define ISC_LINK_INITIALIZER_TYPE(type)                 \
+	{                                               \
+		.prev = (type *)-1, .next = (type *)-1, \
+	}
+#define ISC_LINK_INITIALIZER ISC_LINK_INITIALIZER_TYPE(void)
+
 #ifdef ISC_LIST_CHECKINIT
 #define ISC_LINK_INSIST(x) ISC_INSIST(x)
 #else /* ifdef ISC_LIST_CHECKINIT */