From fea64fecd6c25e81a7c7830d8fd7c5a58f2ed21d Mon Sep 17 00:00:00 2001
From: Florian Albrechtskirchinger <falbrechtskirchinger@gmail.com>
Date: Sun, 16 Feb 2025 13:29:58 +0100
Subject: [PATCH 1/2] Add style check to workflow

---
 .github/workflows/test.yaml | 12 ++++++++++++
 test/Makefile               | 27 +++++++++++++++++++++++++++
 2 files changed, 39 insertions(+)

diff --git a/.github/workflows/test.yaml b/.github/workflows/test.yaml
index 5a4e180cfa..7c12f3c814 100644
--- a/.github/workflows/test.yaml
+++ b/.github/workflows/test.yaml
@@ -3,6 +3,18 @@ name: test
 on: [push, pull_request]
 
 jobs:
+  style-check:
+    runs-on: ubuntu-latest
+    if: github.event_name != 'pull_request' || github.event.pull_request.head.repo.full_name != github.event.pull_request.base.repo.full_name
+    continue-on-error: true
+    steps:
+      - name: checkout
+        uses: actions/checkout@v4
+      - name: run style check
+        run: |
+          clang-format --version
+          cd test && make style_check
+
   ubuntu:
     runs-on: ubuntu-latest
     if: github.event_name != 'pull_request' || github.event.pull_request.head.repo.full_name != github.event.pull_request.base.repo.full_name
diff --git a/test/Makefile b/test/Makefile
index 152f9098ef..3dc77f073a 100644
--- a/test/Makefile
+++ b/test/Makefile
@@ -28,6 +28,11 @@ TEST_ARGS = gtest/gtest-all.cc gtest/gtest_main.cc $(OPENSSL_SUPPORT) $(ZLIB_SUP
 # OSS-Fuzz will define its own value for LIB_FUZZING_ENGINE.
 LIB_FUZZING_ENGINE ?= standalone_fuzz_target_runner.o
 
+CLANG_FORMAT = clang-format
+REALPATH = $(shell which grealpath 2>/dev/null || which realpath 2>/dev/null)
+STYLE_CHECK_FILES = $(filter-out httplib.h httplib.cc, \
+	$(wildcard fuzzing/*.h fuzzing/*.cc *.h *.cc ../httplib.h))
+
 all : test test_split
 	./test
 
@@ -45,6 +50,28 @@ test_split : test.cc ../httplib.h httplib.cc Makefile cert.pem
 check_abi:
 	@./check-shared-library-abi-compatibility.sh
 
+.PHONY: style_check
+style_check: $(STYLE_CHECK_FILES)
+	@for file in $(STYLE_CHECK_FILES); do \
+		$(CLANG_FORMAT) $$file > $$file.formatted; \
+		if ! diff -u $$file $$file.formatted; then \
+			file2=$$($(REALPATH) --relative-to=.. $$file); \
+			printf "\n%*s\n" 80 | tr ' ' '#'; \
+			printf "##%*s##\n" 76; \
+			printf "##   %-70s   ##\n" "$$file2 not properly formatted. Please run clang-format."; \
+			printf "##%*s##\n" 76; \
+			printf "%*s\n\n" 80 | tr ' ' '#'; \
+			failed=1; \
+		fi; \
+		rm -f $$file.formatted; \
+	done; \
+	if [ -n "$$failed" ]; then \
+		echo "Style check failed for one or more files. See above for details."; \
+		false; \
+	else \
+		echo "All files are properly formatted."; \
+	fi
+
 test_proxy : test_proxy.cc ../httplib.h Makefile cert.pem
 	$(CXX) -o $@ -I.. $(CXXFLAGS) test_proxy.cc $(TEST_ARGS)
 

From f7bb3bacd9e2ba6062ad8c3ad66859592e0b79a6 Mon Sep 17 00:00:00 2001
From: Florian Albrechtskirchinger <falbrechtskirchinger@gmail.com>
Date: Mon, 17 Feb 2025 05:41:50 +0100
Subject: [PATCH 2/2] Add example files to style check

---
 test/Makefile | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/test/Makefile b/test/Makefile
index 3dc77f073a..348bfa2bb8 100644
--- a/test/Makefile
+++ b/test/Makefile
@@ -31,7 +31,7 @@ LIB_FUZZING_ENGINE ?= standalone_fuzz_target_runner.o
 CLANG_FORMAT = clang-format
 REALPATH = $(shell which grealpath 2>/dev/null || which realpath 2>/dev/null)
 STYLE_CHECK_FILES = $(filter-out httplib.h httplib.cc, \
-	$(wildcard fuzzing/*.h fuzzing/*.cc *.h *.cc ../httplib.h))
+	$(wildcard example/*.h example/*.cc fuzzing/*.h fuzzing/*.cc *.h *.cc ../httplib.h))
 
 all : test test_split
 	./test