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authorGreg Kroah-Hartman <gregkh@linuxfoundation.org>2025-01-13 06:42:54 +0100
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2025-01-13 06:42:54 +0100
commitb37333c8657cfece16b2fb0ba3fef2cb481a0a19 (patch)
tree9b7da4fb461d74f6c5fd02b872a695af30cad324 /tools/include/uapi/linux
parente7cd121cbf1bec05e50335f82d4aa7d8fa700538 (diff)
parent5bc55a333a2f7316b58edc7573e8e893f7acb532 (diff)
Merge 6.13-rc7 into staging next
We need the gpib changes in here as well to build on top of. Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'tools/include/uapi/linux')
-rw-r--r--tools/include/uapi/linux/stddef.h15
1 files changed, 11 insertions, 4 deletions
diff --git a/tools/include/uapi/linux/stddef.h b/tools/include/uapi/linux/stddef.h
index bb6ea517efb5..c53cde425406 100644
--- a/tools/include/uapi/linux/stddef.h
+++ b/tools/include/uapi/linux/stddef.h
@@ -8,6 +8,13 @@
#define __always_inline __inline__
#endif
+/* Not all C++ standards support type declarations inside an anonymous union */
+#ifndef __cplusplus
+#define __struct_group_tag(TAG) TAG
+#else
+#define __struct_group_tag(TAG)
+#endif
+
/**
* __struct_group() - Create a mirrored named and anonyomous struct
*
@@ -20,14 +27,14 @@
* and size: one anonymous and one named. The former's members can be used
* normally without sub-struct naming, and the latter can be used to
* reason about the start, end, and size of the group of struct members.
- * The named struct can also be explicitly tagged for layer reuse, as well
- * as both having struct attributes appended.
+ * The named struct can also be explicitly tagged for layer reuse (C only),
+ * as well as both having struct attributes appended.
*/
#define __struct_group(TAG, NAME, ATTRS, MEMBERS...) \
union { \
struct { MEMBERS } ATTRS; \
- struct TAG { MEMBERS } ATTRS NAME; \
- }
+ struct __struct_group_tag(TAG) { MEMBERS } ATTRS NAME; \
+ } ATTRS
/**
* __DECLARE_FLEX_ARRAY() - Declare a flexible array usable in a union