[libc-commits] [libc] [libc] add IPPROTO related macros (PR #161855)
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Fri Oct 3 19:06:36 PDT 2025
https://github.com/c8ef updated https://github.com/llvm/llvm-project/pull/161855
>From 871c21c23114b7b347dd644345be63c914c852e4 Mon Sep 17 00:00:00 2001
From: c8ef <c8ef at outlook.com>
Date: Fri, 3 Oct 2025 22:36:38 +0800
Subject: [PATCH 1/2] add ipproto related macro
---
libc/include/CMakeLists.txt | 8 ++++++++
libc/include/llvm-libc-macros/CMakeLists.txt | 6 ++++++
.../llvm-libc-macros/netinet-in-macros.h | 19 +++++++++++++++++++
libc/include/netinet/in.h.def | 16 ++++++++++++++++
libc/include/netinet/in.yaml | 7 +++++++
libc/test/include/CMakeLists.txt | 10 ++++++++++
libc/test/include/netinet_in_test.cpp | 19 +++++++++++++++++++
7 files changed, 85 insertions(+)
create mode 100644 libc/include/llvm-libc-macros/netinet-in-macros.h
create mode 100644 libc/include/netinet/in.h.def
create mode 100644 libc/include/netinet/in.yaml
create mode 100644 libc/test/include/netinet_in_test.cpp
diff --git a/libc/include/CMakeLists.txt b/libc/include/CMakeLists.txt
index 8fd37b0ee5ad6..2c38ab8b24a9a 100644
--- a/libc/include/CMakeLists.txt
+++ b/libc/include/CMakeLists.txt
@@ -191,6 +191,14 @@ add_header_macro(
.inttypes
)
+add_header_macro(
+ netinet_in
+ ../libc/include/netinet/in.yaml
+ netinet/in.h
+ DEPENDS
+ .llvm-libc-macros.netinet_in_macros
+)
+
add_header_macro(
assert
../libc/include/assert.yaml
diff --git a/libc/include/llvm-libc-macros/CMakeLists.txt b/libc/include/llvm-libc-macros/CMakeLists.txt
index f71540313f0b3..76c03d913ee12 100644
--- a/libc/include/llvm-libc-macros/CMakeLists.txt
+++ b/libc/include/llvm-libc-macros/CMakeLists.txt
@@ -152,6 +152,12 @@ add_macro_header(
.math_macros
)
+add_macro_header(
+ netinet_in_macros
+ HDR
+ netinet-in-macros.h
+)
+
add_macro_header(
offsetof_macro
HDR
diff --git a/libc/include/llvm-libc-macros/netinet-in-macros.h b/libc/include/llvm-libc-macros/netinet-in-macros.h
new file mode 100644
index 0000000000000..c05e5e2aec248
--- /dev/null
+++ b/libc/include/llvm-libc-macros/netinet-in-macros.h
@@ -0,0 +1,19 @@
+//===-- Definition of macros from netinet/in.h ----------------------------===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef LLVM_LIBC_MACROS_NETINET_IN_MACROS_H
+#define LLVM_LIBC_MACROS_NETINET_IN_MACROS_H
+
+#define IPPROTO_IP 0
+#define IPPROTO_ICMP 1
+#define IPPROTO_TCP 6
+#define IPPROTO_UDP 17
+#define IPPROTO_IPV6 41
+#define IPPROTO_RAW 255
+
+#endif // LLVM_LIBC_MACROS_NETINET_IN_MACROS_H
diff --git a/libc/include/netinet/in.h.def b/libc/include/netinet/in.h.def
new file mode 100644
index 0000000000000..11c97e3b44b49
--- /dev/null
+++ b/libc/include/netinet/in.h.def
@@ -0,0 +1,16 @@
+//===-- C standard library header in.h ------------------------------------===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef LLVM_LIBC_NETINET_IN_H
+#define LLVM_LIBC_NETINET_IN_H
+
+#include "../llvm-libc-macros/netinet-in-macros.h"
+
+%%public_api()
+
+#endif // LLVM_LIBC_NETINET_IN_H
diff --git a/libc/include/netinet/in.yaml b/libc/include/netinet/in.yaml
new file mode 100644
index 0000000000000..fbd798d60cbf9
--- /dev/null
+++ b/libc/include/netinet/in.yaml
@@ -0,0 +1,7 @@
+header: netinet/in.h
+header_template: in.h.def
+macros: []
+types: []
+enums: []
+objects: []
+functions: []
diff --git a/libc/test/include/CMakeLists.txt b/libc/test/include/CMakeLists.txt
index 11e4c3a84157f..3ac5615d7e209 100644
--- a/libc/test/include/CMakeLists.txt
+++ b/libc/test/include/CMakeLists.txt
@@ -207,6 +207,16 @@ add_libc_test(
libc.include.llvm-libc-macros.math_function_macros
)
+add_libc_test(
+ netinet_in_test
+ SUITE
+ libc_include_tests
+ SRCS
+ netinet_in_test.cpp
+ DEPENDS
+ libc.include.llvm-libc-macros.netinet_in_macros
+)
+
add_libc_test(
signbit_test
SUITE
diff --git a/libc/test/include/netinet_in_test.cpp b/libc/test/include/netinet_in_test.cpp
new file mode 100644
index 0000000000000..a6c47a779ea44
--- /dev/null
+++ b/libc/test/include/netinet_in_test.cpp
@@ -0,0 +1,19 @@
+//===-- Unittests for netinet/in macro ------------------------------------===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+
+#include "include/llvm-libc-macros/netinet-in-macros.h"
+#include "test/UnitTest/Test.h"
+
+TEST(LlvmLibcNetinetInTest, IPPROTOMacro) {
+ EXPECT_EQ(IPPROTO_IP, 0);
+ EXPECT_EQ(IPPROTO_ICMP, 1);
+ EXPECT_EQ(IPPROTO_TCP, 6);
+ EXPECT_EQ(IPPROTO_UDP, 17);
+ EXPECT_EQ(IPPROTO_IPV6, 41);
+ EXPECT_EQ(IPPROTO_RAW, 255);
+}
>From d8050c1ae2b97e9f3240a4d5fa55d96ae5766655 Mon Sep 17 00:00:00 2001
From: c8ef <c8ef at outlook.com>
Date: Sat, 4 Oct 2025 10:06:25 +0800
Subject: [PATCH 2/2] fix macro gen
---
libc/config/linux/aarch64/headers.txt | 1 +
libc/config/linux/riscv/headers.txt | 1 +
libc/config/linux/x86_64/headers.txt | 1 +
libc/include/CMakeLists.txt | 3 +++
libc/include/netinet/in.h.def | 2 ++
5 files changed, 8 insertions(+)
diff --git a/libc/config/linux/aarch64/headers.txt b/libc/config/linux/aarch64/headers.txt
index 6d3bc9188583b..0573851fbc20b 100644
--- a/libc/config/linux/aarch64/headers.txt
+++ b/libc/config/linux/aarch64/headers.txt
@@ -18,6 +18,7 @@ set(TARGET_PUBLIC_HEADERS
libc.include.locale
libc.include.malloc
libc.include.math
+ libc.include.netinet_in
libc.include.poll
libc.include.pthread
libc.include.sched
diff --git a/libc/config/linux/riscv/headers.txt b/libc/config/linux/riscv/headers.txt
index 6d3bc9188583b..0573851fbc20b 100644
--- a/libc/config/linux/riscv/headers.txt
+++ b/libc/config/linux/riscv/headers.txt
@@ -18,6 +18,7 @@ set(TARGET_PUBLIC_HEADERS
libc.include.locale
libc.include.malloc
libc.include.math
+ libc.include.netinet_in
libc.include.poll
libc.include.pthread
libc.include.sched
diff --git a/libc/config/linux/x86_64/headers.txt b/libc/config/linux/x86_64/headers.txt
index 6d3bc9188583b..0573851fbc20b 100644
--- a/libc/config/linux/x86_64/headers.txt
+++ b/libc/config/linux/x86_64/headers.txt
@@ -18,6 +18,7 @@ set(TARGET_PUBLIC_HEADERS
libc.include.locale
libc.include.malloc
libc.include.math
+ libc.include.netinet_in
libc.include.poll
libc.include.pthread
libc.include.sched
diff --git a/libc/include/CMakeLists.txt b/libc/include/CMakeLists.txt
index 2c38ab8b24a9a..afa90e6c8b655 100644
--- a/libc/include/CMakeLists.txt
+++ b/libc/include/CMakeLists.txt
@@ -191,11 +191,14 @@ add_header_macro(
.inttypes
)
+file(MAKE_DIRECTORY ${LIBC_INCLUDE_DIR}/netinet)
+
add_header_macro(
netinet_in
../libc/include/netinet/in.yaml
netinet/in.h
DEPENDS
+ .llvm_libc_common_h
.llvm-libc-macros.netinet_in_macros
)
diff --git a/libc/include/netinet/in.h.def b/libc/include/netinet/in.h.def
index 11c97e3b44b49..d9a6a6ebe375d 100644
--- a/libc/include/netinet/in.h.def
+++ b/libc/include/netinet/in.h.def
@@ -9,6 +9,8 @@
#ifndef LLVM_LIBC_NETINET_IN_H
#define LLVM_LIBC_NETINET_IN_H
+#include "__llvm-libc-common.h"
+
#include "../llvm-libc-macros/netinet-in-macros.h"
%%public_api()
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