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authorMarkus Armbruster <armbru@redhat.com>2022-12-22 13:08:13 +0100
committerMichael S. Tsirkin <mst@redhat.com>2023-01-08 01:54:22 -0500
commitf07ceffdf50f7147250a98e4cb32fcd41bb9cc4a (patch)
tree8a3de17671ad2c99f03361ce4d1fd7d750f4a58f /docs/devel/style.rst
parent7a5951f651ad5f158631a826070b24631e733763 (diff)
docs/devel: Rules on #include in headers
Rules for headers were proposed a long time ago, and generally liked: Message-ID: <87h9g8j57d.fsf@blackfin.pond.sub.org> https://lists.nongnu.org/archive/html/qemu-devel/2016-03/msg03345.html Wortk them into docs/devel/style.rst. Suggested-by: Bernhard Beschow <shentey@gmail.com> Signed-off-by: Markus Armbruster <armbru@redhat.com> Message-Id: <20221222120813.727830-5-armbru@redhat.com> Reviewed-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com> Reviewed-by: Alex Bennée <alex.bennee@linaro.org> Reviewed-by: Bernhard Beschow <shentey@gmail.com>
Diffstat (limited to 'docs/devel/style.rst')
-rw-r--r--docs/devel/style.rst7
1 files changed, 7 insertions, 0 deletions
diff --git a/docs/devel/style.rst b/docs/devel/style.rst
index 7ddd42b6c2..68aa776930 100644
--- a/docs/devel/style.rst
+++ b/docs/devel/style.rst
@@ -293,6 +293,13 @@ that QEMU depends on.
Do not include "qemu/osdep.h" from header files since the .c file will have
already included it.
+Headers should normally include everything they need beyond osdep.h.
+If exceptions are needed for some reason, they must be documented in
+the header. If all that's needed from a header is typedefs, consider
+putting those into qemu/typedefs.h instead of including the header.
+
+Cyclic inclusion is forbidden.
+
C types
=======