tools: ynl-gen: allow uapi headers in sub-dirs

Binder places its headers under include/uapi/linux/android/
Make sure replace / with _ in the uAPI header guard, the c_upper()
is more strict and only converts - to _. This is likely a good
constraint to have, to enforce sane naming in enums etc.
But paths may include /.

Signed-off-by: Li Li <dualli@google.com>
Link: https://patch.msgid.link/20241113193239.2113577-2-dualli@chromium.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>

diff --git a/tools/net/ynl/ynl-gen-c.py b/tools/net/ynl/ynl-gen-c.py
index 394b0023b9a3e0020340f4003ebafffbd90ea7c2..d8201c4b1520995e8c36f1f0fd22be55f546f80c 100755 (executable)
--- a/tools/net/ynl/ynl-gen-c.py
+++ b/tools/net/ynl/ynl-gen-c.py
@@ -2419,6 +2419,7 @@ def uapi_enum_start(family, cw, obj, ckey='', enum_name='enum-name'):
 
 def render_uapi(family, cw):
     hdr_prot = f"_UAPI_LINUX_{c_upper(family.uapi_header_name)}_H"
+    hdr_prot = hdr_prot.replace('/', '_')
     cw.p('#ifndef ' + hdr_prot)
     cw.p('#define ' + hdr_prot)
     cw.nl()