Fix #2068 (#2080)

* Fix #2068

* Add unit test

.gitattributes

@@ -0,0 +1,2 @@
+/test/www*/dir/*.html text eol=lf
+/test/www*/dir/*.txt text eol=lf

.github/workflows/abidiff.yaml

@@ -0,0 +1,69 @@
+# SPDX-FileCopyrightText: 2025 Andrea Pappacoda <andrea@pappacoda.it>
+# SPDX-License-Identifier: MIT
+
+name: abidiff
+
+on: [push, pull_request]
+
+concurrency:
+  group: ${{ github.workflow }}-${{ github.ref || github.run_id }}
+  cancel-in-progress: true
+
+defaults:
+  run:
+    shell: sh
+
+jobs:
+  abi:
+    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
+    container:
+      image: debian:testing
+
+    steps:
+    - name: Install dependencies
+      run: apt -y --update install --no-install-recommends
+        abigail-tools
+        ca-certificates
+        g++
+        git
+        libbrotli-dev
+        libssl-dev
+        meson
+        pkg-config
+        python3
+        zlib1g-dev
+
+    - uses: actions/checkout@v4
+      with:
+        path: current
+
+    - uses: actions/checkout@v4
+      with:
+        path: previous
+        fetch-depth: 0
+
+    - name: Checkout previous
+      working-directory: previous
+      run: |
+        git switch master
+        git describe --tags --abbrev=0 master | xargs git checkout
+
+    - name: Build current
+      working-directory: current
+      run: |
+        meson setup --buildtype=debug -Dcpp-httplib_compile=true build
+        ninja -C build
+
+    - name: Build previous
+      working-directory: previous
+      run: |
+        meson setup --buildtype=debug -Dcpp-httplib_compile=true build
+        ninja -C build
+
+    - name: Run abidiff
+      run: abidiff
+        --headers-dir1 previous/build
+        --headers-dir2 current/build
+        previous/build/libcpp-httplib.so
+        current/build/libcpp-httplib.so

.github/workflows/cifuzz.yaml

@@ -1,5 +1,11 @@
 name: CIFuzz
+
 on: [pull_request]
+
+concurrency:
+  group: ${{ github.workflow }}-${{ github.ref || github.run_id }}
+  cancel-in-progress: true
+
 jobs:
   Fuzzing:
     runs-on: ubuntu-latest
@@ -19,7 +25,7 @@ jobs:
         dry-run: false
         language: c++
     - name: Upload Crash
-      uses: actions/upload-artifact@v1
+      uses: actions/upload-artifact@v4
       if: failure() && steps.build.outcome == 'success'
       with:
         name: artifacts

.github/workflows/test.yaml

@@ -1,41 +1,126 @@
 name: test
 
-on: [push, pull_request]
+on:
+  push:
+  pull_request:
+  workflow_dispatch:
+    inputs:
+      gtest_filter:
+        description: 'Google Test filter'
+      test_linux:
+        description: 'Test on Linux'
+        type: boolean
+        default: true
+      test_macos:
+        description: 'Test on MacOS'
+        type: boolean
+        default: true
+      test_windows:
+        description: 'Test on Windows'
+        type: boolean
+        default: true
+
+concurrency:
+  group: ${{ github.workflow }}-${{ github.ref || github.run_id }}
+  cancel-in-progress: true
+
+env:
+  GTEST_FILTER: ${{ github.event.inputs.gtest_filter || '*' }}
 
 jobs:
-  build:
-    runs-on: ${{ matrix.os }}
+  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 == 'push') ||
+      (github.event_name == 'pull_request'  &&
+       github.event.pull_request.head.repo.full_name != github.event.pull_request.base.repo.full_name) ||
+      (github.event_name == 'workflow_dispatch' && github.event.inputs.test_linux == 'true')
+    steps:
+      - name: checkout
+        uses: actions/checkout@v4
+      - name: install libraries
+        run: sudo apt-get update && sudo apt-get install -y libbrotli-dev libcurl4-openssl-dev
+      - name: build and run tests
+        run: cd test && make
+      - name: run fuzz test target
+        run: cd test && make fuzz_test
+
+  macos:
+    runs-on: macos-latest
+    if: >
+      (github.event_name == 'push') ||
+      (github.event_name == 'pull_request'  &&
+       github.event.pull_request.head.repo.full_name != github.event.pull_request.base.repo.full_name) ||
+      (github.event_name == 'workflow_dispatch' && github.event.inputs.test_macos == 'true')
+    steps:
+      - name: checkout
+        uses: actions/checkout@v4
+      - name: build and run tests
+        run: cd test && make
+      - name: run fuzz test target
+        run: cd test && make fuzz_test
+
+  windows:
+    runs-on: windows-latest
+    if: >
+      (github.event_name == 'push') ||
+      (github.event_name == 'pull_request'  &&
+       github.event.pull_request.head.repo.full_name != github.event.pull_request.base.repo.full_name) ||
+      (github.event_name == 'workflow_dispatch' && github.event.inputs.test_windows == 'true')
     strategy:
       matrix:
-        os: [macOS-latest, ubuntu-latest, windows-latest]
-
+        config:
+        - with_ssl: false
+          name: without SSL
+        - with_ssl: true
+          name: with SSL
+    name: windows ${{ matrix.config.name }}
     steps:
-    - name: prepare git for checkout on windows
-      if: matrix.os == 'windows-latest'
+    - name: Prepare Git for Checkout on Windows
       run: |
         git config --global core.autocrlf false
         git config --global core.eol lf
-    - name: checkout
-      uses: actions/checkout@v3
-    - name: install brotli library on ubuntu
-      if: matrix.os == 'ubuntu-latest'
-      run: sudo apt update && sudo apt-get install -y libbrotli-dev
-    - name: install brotli library on macOS
-      if: matrix.os == 'macOS-latest'
-      run: brew install brotli
-    - name: make
-      if: matrix.os != 'windows-latest'
-      run: cd test && make -j2
-    - name: check fuzz test target
-      if: matrix.os == 'ubuntu-latest'
-      run: cd test && make fuzz_test
-    - name: setup msbuild on windows
-      if: matrix.os == 'windows-latest'
-      uses: microsoft/setup-msbuild@v1.1
-    - name: make-windows
-      if: matrix.os == 'windows-latest'
-      run: |
-        cd test
-        msbuild.exe test.sln /verbosity:minimal /t:Build "/p:Configuration=Release;Platform=x64"
-        x64\Release\test.exe
+    - name: Checkout
+      uses: actions/checkout@v4
+    - name: Export GitHub Actions cache environment variables
+      uses: actions/github-script@v7
+      with:
+        script: |
+          core.exportVariable('ACTIONS_CACHE_URL', process.env.ACTIONS_CACHE_URL || '');
+          core.exportVariable('ACTIONS_RUNTIME_TOKEN', process.env.ACTIONS_RUNTIME_TOKEN || '');
+    - name: Setup msbuild on windows
+      uses: microsoft/setup-msbuild@v2
+    - name: Install vcpkg dependencies
+      run: vcpkg install gtest curl zlib brotli
+    - name: Install OpenSSL
+      if: ${{ matrix.config.with_ssl }}
+      run: choco install openssl
+    - name: Configure CMake ${{ matrix.config.name }}
+      run: >
+        cmake -B build -S .
+        -DCMAKE_BUILD_TYPE=Release
+        -DCMAKE_TOOLCHAIN_FILE=${{ env.VCPKG_ROOT }}/scripts/buildsystems/vcpkg.cmake
+        -DHTTPLIB_TEST=ON
+        -DHTTPLIB_REQUIRE_ZLIB=ON
+        -DHTTPLIB_REQUIRE_BROTLI=ON
+        -DHTTPLIB_REQUIRE_OPENSSL=${{ matrix.config.with_ssl && 'ON' || 'OFF' }}
+    - name: Build ${{ matrix.config.name }}
+      run: cmake --build build --config Release -- /v:m /clp:ShowCommandLine
+    - name: Run tests ${{ matrix.config.name }}
+      run: ctest --output-on-failure --test-dir build -C Release
+
+    env:
+      VCPKG_ROOT: "C:/vcpkg"
+      VCPKG_BINARY_SOURCES: "clear;x-gha,readwrite"

.gitignore

@@ -9,6 +9,8 @@ example/benchmark
 example/redirect
 example/sse*
 example/upload
+example/one_time_request
+example/server_and_client
 example/*.pem
 test/httplib.cc
 test/httplib.h
@@ -21,9 +23,13 @@ test/test.xcodeproj/*/xcuser*
 test/*.o
 test/*.pem
 test/*.srl
+test/_build_*
+work/
+benchmark/server*
 
 *.swp
 
+build/
 Debug
 Release
 *.vcxproj.user
@@ -33,5 +39,7 @@ Release
 *.db
 ipch
 *.dSYM
+*.pyc
 .*
+!/.gitattributes
 !/.travis.yml

CMakeLists.txt

@@ -72,7 +72,12 @@ file(STRINGS httplib.h _raw_version_string REGEX "CPPHTTPLIB_VERSION \"([0-9]+\\
 # since _raw_version_string would contain the entire line of code where it found the version string
 string(REGEX MATCH "([0-9]+\\.?)+" _httplib_version "${_raw_version_string}")
 
-project(httplib VERSION ${_httplib_version} LANGUAGES CXX)
+project(httplib
+	VERSION ${_httplib_version}
+	LANGUAGES CXX
+	DESCRIPTION "A C++ header-only HTTP/HTTPS server and client library."
+	HOMEPAGE_URL "https://github.com/yhirose/cpp-httplib"
+)
 
 # Change as needed to set an OpenSSL minimum version.
 # This is used in the installed Cmake config file.
@@ -189,6 +194,7 @@ if(HTTPLIB_COMPILE)
 		PROPERTIES
 			VERSION ${${PROJECT_NAME}_VERSION}
 			SOVERSION "${${PROJECT_NAME}_VERSION_MAJOR}.${${PROJECT_NAME}_VERSION_MINOR}"
+			OUTPUT_NAME cpp-httplib
 	)
 else()
 	# This is for header-only.
@@ -240,7 +246,7 @@ set(_TARGET_INSTALL_CMAKEDIR "${CMAKE_INSTALL_LIBDIR}/cmake/${PROJECT_NAME}")
 include(CMakePackageConfigHelpers)
 
 # Configures the meta-file httplibConfig.cmake.in to replace variables with paths/values/etc.
-configure_package_config_file("${PROJECT_NAME}Config.cmake.in"
+configure_package_config_file("cmake/${PROJECT_NAME}Config.cmake.in"
 	"${CMAKE_CURRENT_BINARY_DIR}/${PROJECT_NAME}Config.cmake"
 	INSTALL_DESTINATION "${_TARGET_INSTALL_CMAKEDIR}"
 	# Passes the includedir install path
@@ -288,6 +294,13 @@ if(HTTPLIB_INSTALL)
 		NAMESPACE ${PROJECT_NAME}::
 		DESTINATION ${_TARGET_INSTALL_CMAKEDIR}
 	)
+
+	# Install documentation & license
+	# ex: /usr/share/doc/httplib/README.md and /usr/share/licenses/httplib/LICENSE
+	install(FILES "README.md" DESTINATION "${CMAKE_INSTALL_DOCDIR}")
+	install(FILES "LICENSE" DESTINATION "${CMAKE_INSTALL_DATADIR}/licenses/${PROJECT_NAME}")
+
+	include(CPack)
 endif()
 
 if(HTTPLIB_TEST)

Dockerfile

@@ -0,0 +1,11 @@
+FROM yhirose4dockerhub/ubuntu-builder AS builder
+WORKDIR /build
+COPY httplib.h .
+COPY docker/main.cc .
+RUN g++ -std=c++23 -static -o server -O2 -I. main.cc && strip server
+
+FROM scratch
+COPY --from=builder /build/server /server
+COPY docker/html/index.html /html/index.html
+EXPOSE 80
+CMD ["/server"]

README.md

@@ -7,7 +7,8 @@ A C++11 single-file header-only cross platform HTTP/HTTPS library.
 
 It's extremely easy to setup. Just include the **httplib.h** file in your code!
 
-NOTE: This library uses 'blocking' socket I/O. If you are looking for a library with 'non-blocking' socket I/O, this is not the one that you want.
+> [!IMPORTANT]
+> This library uses 'blocking' socket I/O. If you are looking for a library with 'non-blocking' socket I/O, this is not the one that you want.
 
 Simple examples
 ---------------
@@ -38,10 +39,10 @@ svr.listen("0.0.0.0", 8080);
 #include "path/to/httplib.h"
 
 // HTTP
-httplib::Client cli("http://cpp-httplib-server.yhirose.repl.co");
+httplib::Client cli("http://yhirose.github.io");
 
 // HTTPS
-httplib::Client cli("https://cpp-httplib-server.yhirose.repl.co");
+httplib::Client cli("https://yhirose.github.io");
 
 auto res = cli.Get("/hi");
 res->status;
@@ -53,9 +54,11 @@ SSL Support
 
 SSL support is available with `CPPHTTPLIB_OPENSSL_SUPPORT`. `libssl` and `libcrypto` should be linked.
 
-NOTE: cpp-httplib currently supports only version 3.0 or later. Please see [this page](https://www.openssl.org/policies/releasestrat.html) to get more information.
+> [!NOTE]
+> cpp-httplib currently supports only version 3.0 or later. Please see [this page](https://www.openssl.org/policies/releasestrat.html) to get more information.
 
-NOTE for macOS: cpp-httplib now can use system certs with `CPPHTTPLIB_USE_CERTS_FROM_MACOSX_KEYCHAIN`. `CoreFoundation` and `Security` should be linked with `-framework`.
+> [!TIP]
+> For macOS: cpp-httplib now can use system certs with `CPPHTTPLIB_USE_CERTS_FROM_MACOSX_KEYCHAIN`. `CoreFoundation` and `Security` should be linked with `-framework`.
 
 ```c++
 #define CPPHTTPLIB_OPENSSL_SUPPORT
@@ -74,9 +77,13 @@ cli.set_ca_cert_path("./ca-bundle.crt");
 
 // Disable cert verification
 cli.enable_server_certificate_verification(false);
+
+// Disable host verification
+cli.enable_server_hostname_verification(false);
 ```
 
-NOTE: When using SSL, it seems impossible to avoid SIGPIPE in all cases, since on some operating systems, SIGPIPE can only be suppressed on a per-message basis, but there is no way to make the OpenSSL library do so for its internal communications. If your program needs to avoid being terminated on SIGPIPE, the only fully general way might be to set up a signal handler for SIGPIPE to handle or ignore it yourself.
+> [!NOTE]
+> When using SSL, it seems impossible to avoid SIGPIPE in all cases, since on some operating systems, SIGPIPE can only be suppressed on a per-message basis, but there is no way to make the OpenSSL library do so for its internal communications. If your program needs to avoid being terminated on SIGPIPE, the only fully general way might be to set up a signal handler for SIGPIPE to handle or ignore it yourself.
 
 Server
 ------
@@ -118,6 +125,21 @@ int main(void)
     res.set_content(req.body, "text/plain");
   });
 
+  // If the handler takes time to finish, you can also poll the connection state
+  svr.Get("/task", [&](const Request& req, Response& res) {
+    const char * result = nullptr;
+    process.run(); // for example, starting an external process
+    while (result == nullptr) {
+      sleep(1);
+      if (req.is_connection_closed()) {
+        process.kill(); // kill the process
+        return;
+      }
+      result = process.stdout(); // != nullptr if the process finishes
+    }
+    res.set_content(result, "text/plain");
+  });
+
   svr.Get("/stop", [&](const Request& req, Response& res) {
     svr.stop();
   });
@@ -190,7 +212,8 @@ The followings are built-in mappings:
 | webm       | video/webm                  | zip        | application/zip             |
 | mp3        | audio/mp3                   | wasm       | application/wasm            |
 
-NOTE: These static file server methods are not thread-safe.
+> [!WARNING]
+> These static file server methods are not thread-safe.
 
 ### File request handler
 
@@ -239,7 +262,8 @@ svr.set_exception_handler([](const auto& req, auto& res, std::exception_ptr ep)
 });
 ```
 
-NOTE: if you don't provide the `catch (...)` block for a rethrown exception pointer, an uncaught exception will end up causing the server crash. Be careful!
+> [!CAUTION]
+> if you don't provide the `catch (...)` block for a rethrown exception pointer, an uncaught exception will end up causing the server crash. Be careful!
 
 ### Pre routing handler
 
@@ -378,6 +402,18 @@ svr.Get("/chunked", [&](const Request& req, Response& res) {
 });
 ```
 
+### Send file content
+
+```cpp
+svr.Get("/content", [&](const Request &req, Response &res) {
+  res.set_file_content("./path/to/content.html");
+});
+
+svr.Get("/content", [&](const Request &req, Response &res) {
+  res.set_file_content("./path/to/content", "text/html");
+});
+```
+
 ### 'Expect: 100-continue' handler
 
 By default, the server sends a `100 Continue` response for an `Expect: 100-continue` header.
@@ -417,7 +453,8 @@ svr.set_idle_interval(0, 100000); // 100 milliseconds
 svr.set_payload_max_length(1024 * 1024 * 512); // 512MB
 ```
 
-NOTE: When the request body content type is 'www-form-urlencoded', the actual payload length shouldn't exceed `CPPHTTPLIB_FORM_URL_ENCODED_PAYLOAD_MAX_LENGTH`.
+> [!NOTE]
+> When the request body content type is 'www-form-urlencoded', the actual payload length shouldn't exceed `CPPHTTPLIB_FORM_URL_ENCODED_PAYLOAD_MAX_LENGTH`.
 
 ### Server-Sent Events
 
@@ -425,7 +462,7 @@ Please see [Server example](https://github.com/yhirose/cpp-httplib/blob/master/e
 
 ### Default thread pool support
 
-`ThreadPool` is used as a **default** task queue, and the default thread count is 8, or `std::thread::hardware_concurrency()`. You can change it with `CPPHTTPLIB_THREAD_POOL_COUNT`.
+`ThreadPool` is used as the **default** task queue, with a default thread count of 8 or `std::thread::hardware_concurrency() - 1`, whichever is greater. You can change it with `CPPHTTPLIB_THREAD_POOL_COUNT`.
 
 If you want to set the thread count at runtime, there is no convenient way... But here is how.
 
@@ -496,7 +533,8 @@ int main(void)
 }
 ```
 
-NOTE: Constructor with scheme-host-port string is now supported!
+> [!TIP]
+> Constructor with scheme-host-port string is now supported!
 
 ```c++
 httplib::Client cli("localhost");
@@ -534,18 +572,18 @@ enum Error {
 
 ```c++
 httplib::Headers headers = {
-  { "Accept-Encoding", "gzip, deflate" }
+  { "Hello", "World!" }
 };
 auto res = cli.Get("/hi", headers);
 ```
 or
 ```c++
-auto res = cli.Get("/hi", {{"Accept-Encoding", "gzip, deflate"}});
+auto res = cli.Get("/hi", {{"Hello", "World!"}});
 ```
 or
 ```c++
 cli.set_default_headers({
-  { "Accept-Encoding", "gzip, deflate" }
+  { "Hello", "World!" }
 });
 auto res = cli.Get("/hi");
 ```
@@ -616,6 +654,9 @@ res = cli.Options("/resource/foo");
 cli.set_connection_timeout(0, 300000); // 300 milliseconds
 cli.set_read_timeout(5, 0); // 5 seconds
 cli.set_write_timeout(5, 0); // 5 seconds
+
+// This method works the same as curl's `--max-timeout` option
+svr.set_max_timeout(5000); // 5 seconds
 ```
 
 ### Receive content with a content receiver
@@ -704,7 +745,8 @@ cli.set_digest_auth("user", "pass");
 cli.set_bearer_token_auth("token");
 ```
 
-NOTE: OpenSSL is required for Digest Authentication.
+> [!NOTE]
+> OpenSSL is required for Digest Authentication.
 
 ### Proxy server support
 
@@ -721,7 +763,8 @@ cli.set_proxy_digest_auth("user", "pass");
 cli.set_proxy_bearer_token_auth("pass");
 ```
 
-NOTE: OpenSSL is required for Digest Authentication.
+> [!NOTE]
+> OpenSSL is required for Digest Authentication.
 
 ### Range
 
@@ -770,7 +813,8 @@ res->status; // 200
 
 ### Use a specific network interface
 
-NOTE: This feature is not available on Windows, yet.
+> [!NOTE]
+> This feature is not available on Windows, yet.
 
 ```cpp
 cli.set_interface("eth0"); // Interface name, IP address or host name
@@ -797,6 +841,21 @@ The server can apply compression to the following MIME type contents:
 Brotli compression is available with `CPPHTTPLIB_BROTLI_SUPPORT`. Necessary libraries should be linked.
 Please see https://github.com/google/brotli for more detail.
 
+### Default `Accept-Encoding` value
+
+The default `Accept-Encoding` value contains all possible compression types. So, the following two examples are same.
+
+```c++
+res = cli.Get("/resource/foo");
+res = cli.Get("/resource/foo", {{"Accept-Encoding", "gzip, deflate, br"}});
+```
+
+If we don't want a response without compression, we have to set `Accept-Encoding` to an empty string. This behavior is similar to curl.
+
+```c++
+res = cli.Get("/resource/foo", {{"Accept-Encoding", ""}});
+```
+
 ### Compress request body on client
 
 ```c++
@@ -808,14 +867,27 @@ res = cli.Post("/resource/foo", "...", "text/plain");
 
 ```c++
 cli.set_decompress(false);
-res = cli.Get("/resource/foo", {{"Accept-Encoding", "gzip, deflate, br"}});
+res = cli.Get("/resource/foo");
 res->body; // Compressed data
+
 ```
 
-Use `poll` instead of `select`
-------------------------------
+Unix Domain Socket Support
+--------------------------
 
-`select` system call is used as default since it's more widely supported. If you want to let cpp-httplib use `poll` instead, you can do so with `CPPHTTPLIB_USE_POLL`.
+Unix Domain Socket support is available on Linux and macOS.
+
+```c++
+// Server
+httplib::Server svr;
+svr.set_address_family(AF_UNIX).listen("./my-socket.sock", 80);
+
+// Client
+httplib::Client cli("./my-socket.sock");
+cli.set_address_family(AF_UNIX);
+```
+
+"my-socket.sock" can be a relative path or an absolute path. You application must have the appropriate permissions for the path. You can also use an abstract socket address on Linux. To use an abstract socket address, prepend a null byte ('\x00') to the path.
 
 
 Split httplib.h into .h and .cc
@@ -837,6 +909,32 @@ $ ./split.py
 Wrote out/httplib.h and out/httplib.cc
 ```
 
+Dockerfile for Static HTTP Server
+---------------------------------
+
+Dockerfile for static HTTP server is available. Port number of this HTTP server is 80, and it serves static files from `/html` directory in the container.
+
+```bash
+> docker build -t cpp-httplib-server .
+...
+
+> docker run --rm -it -p 8080:80 -v ./docker/html:/html cpp-httplib-server
+Serving HTTP on 0.0.0.0 port 80 ...
+192.168.65.1 - - [31/Aug/2024:21:33:56 +0000] "GET / HTTP/1.1" 200 599 "-" "curl/8.7.1"
+192.168.65.1 - - [31/Aug/2024:21:34:26 +0000] "GET / HTTP/1.1" 200 599 "-" "Mozilla/5.0 ..."
+192.168.65.1 - - [31/Aug/2024:21:34:26 +0000] "GET /favicon.ico HTTP/1.1" 404 152 "-" "Mozilla/5.0 ..."
+```
+
+From Docker Hub
+
+```bash
+> docker run --rm -it -p 8080:80 -v ./docker/html:/html yhirose4dockerhub/cpp-httplib-server
+Serving HTTP on 0.0.0.0 port 80 ...
+192.168.65.1 - - [31/Aug/2024:21:33:56 +0000] "GET / HTTP/1.1" 200 599 "-" "curl/8.7.1"
+192.168.65.1 - - [31/Aug/2024:21:34:26 +0000] "GET / HTTP/1.1" 200 599 "-" "Mozilla/5.0 ..."
+192.168.65.1 - - [31/Aug/2024:21:34:26 +0000] "GET /favicon.ico HTTP/1.1" 404 152 "-" "Mozilla/5.0 ..."
+```
+
 NOTE
 ----
 
@@ -859,14 +957,16 @@ Include `httplib.h` before `Windows.h` or include `Windows.h` by defining `WIN32
 #include <httplib.h>
 ```
 
-NOTE: cpp-httplib officially supports only the latest Visual Studio. It might work with former versions of Visual Studio, but I can no longer verify it. Pull requests are always welcome for the older versions of Visual Studio unless they break the C++11 conformance.
+> [!NOTE]
+> cpp-httplib officially supports only the latest Visual Studio. It might work with former versions of Visual Studio, but I can no longer verify it. Pull requests are always welcome for the older versions of Visual Studio unless they break the C++11 conformance.
 
-NOTE: Windows 8 or lower, Visual Studio 2013 or lower, and Cygwin and MSYS2 including MinGW are neither supported nor tested.
+> [!NOTE]
+> Windows 8 or lower, Visual Studio 2015 or lower, and Cygwin and MSYS2 including MinGW are neither supported nor tested.
 
 License
 -------
 
-MIT license (© 2024 Yuji Hirose)
+MIT license (© 2025 Yuji Hirose)
 
 Special Thanks To
 -----------------

benchmark/Makefile

@@ -0,0 +1,62 @@
+CXXFLAGS = -std=c++11 -O2 -I..
+
+CPPHTTPLIB_FLAGS = -DCPPHTTPLIB_THREAD_POOL_COUNT=16
+
+BENCH = bombardier -c 10 -d 5s localhost:8080
+MONITOR = ali http://localhost:8080
+
+# cpp-httplib
+bench: server
+	@echo "--------------------\n cpp-httplib latest\n--------------------\n"
+	@./server & export PID=$$!; $(BENCH); kill $${PID}
+	@echo ""
+
+monitor: server
+	@./server & export PID=$$!; $(MONITOR); kill $${PID}
+
+run : server
+	@./server
+
+server : cpp-httplib/main.cpp ../httplib.h
+	g++ -o $@ $(CXXFLAGS) $(CPPHTTPLIB_FLAGS) cpp-httplib/main.cpp
+
+# cpp-httplib
+bench-base: server-base
+	@echo "---------------------\n cpp-httplib v0.18.0\n---------------------\n"
+	@./server-base & export PID=$$!; $(BENCH); kill $${PID}
+	@echo ""
+
+monitor-base: server-base
+	@./server-base & export PID=$$!; $(MONITOR); kill $${PID}
+
+run-base : server-base
+	@./server-base
+
+server-base : cpp-httplib-base/main.cpp cpp-httplib-base/httplib.h
+	g++ -o $@ $(CXXFLAGS) $(CPPHTTPLIB_FLAGS) cpp-httplib-base/main.cpp
+
+# crow
+bench-crow: server-crow
+	@echo "-------------\n Crow v1.2.0\n-------------\n"
+	@./server-crow & export PID=$$!; $(BENCH); kill $${PID}
+	@echo ""
+
+monitor-crow: server-crow
+	@./server-crow & export PID=$$!; $(MONITOR); kill $${PID}
+
+run-crow : server-crow
+	@./server-crow
+
+server-crow : crow/main.cpp
+	g++ -o $@ $(CXXFLAGS) crow/main.cpp
+
+# misc
+build: server server-base server-crow
+
+bench-all: bench-crow bench bench-base
+
+issue:
+	bombardier -c 10 -d 30s localhost:8080
+
+clean:
+	rm -rf server*

benchmark/cpp-httplib-base/main.cpp

@@ -0,0 +1,12 @@
+#include "./httplib.h"
+using namespace httplib;
+
+int main() {
+  Server svr;
+
+  svr.Get("/", [](const Request &, Response &res) {
+    res.set_content("Hello World!", "text/plain");
+  });
+
+  svr.listen("0.0.0.0", 8080);
+}

benchmark/cpp-httplib/main.cpp

@@ -0,0 +1,12 @@
+#include "httplib.h"
+using namespace httplib;
+
+int main() {
+  Server svr;
+
+  svr.Get("/", [](const Request &, Response &res) {
+    res.set_content("Hello World!", "text/plain");
+  });
+
+  svr.listen("0.0.0.0", 8080);
+}

benchmark/crow/main.cpp

@@ -0,0 +1,17 @@
+#include "crow_all.h"
+
+class CustomLogger : public crow::ILogHandler {
+public:
+  void log(std::string, crow::LogLevel) {}
+};
+
+int main() {
+  CustomLogger logger;
+  crow::logger::setHandler(&logger);
+
+  crow::SimpleApp app;
+
+  CROW_ROUTE(app, "/")([]() { return "Hello world!"; });
+
+  app.port(8080).multithreaded().run();
+}

benchmark/download.sh

@@ -0,0 +1,2 @@
+rm -f httplib.h
+wget https://raw.githubusercontent.com/yhirose/cpp-httplib/v$1/httplib.h

cmake/FindBrotli.cmake

@@ -1,6 +1,6 @@
 # A simple FindBrotli package for Cmake's find_package function.
 # Note: This find package doesn't have version support, as the version file doesn't seem to be installed on most systems.
-# 
+#
 # If you want to find the static packages instead of shared (the default), define BROTLI_USE_STATIC_LIBS as TRUE.
 # The targets will have the same names, but it will use the static libs.
 #
@@ -14,7 +14,7 @@
 
 # If they asked for a specific version, warn/fail since we don't support it.
 # TODO: if they start distributing the version somewhere, implement finding it.
-# But currently there's a version header that doesn't seem to get installed.
+# See https://github.com/google/brotli/issues/773#issuecomment-579133187
 if(Brotli_FIND_VERSION)
 	set(_brotli_version_error_msg "FindBrotli.cmake doesn't have version support!")
 	# If the package is required, throw a fatal error
@@ -68,29 +68,24 @@ if(BROTLI_USE_STATIC_LIBS)
 	set(_brotli_stat_str "_STATIC")
 endif()
 
-# Lets us know we are using the PkgConfig libraries
-# Will be set false if any non-pkgconf vars are used
-set(_brotli_using_pkgconf TRUE)
-
 # Each string here is "ComponentName;LiteralName" (the semi-colon is a delimiter)
 foreach(_listvar "common;common" "decoder;dec" "encoder;enc")
 	# Split the component name and literal library name from the listvar
 	list(GET _listvar 0 _component_name)
 	list(GET _listvar 1 _libname)
 
-	if(PKG_CONFIG_FOUND)
+	# NOTE: We can't rely on PkgConf for static libs since the upstream static lib support is broken
+	# See https://github.com/google/brotli/issues/795
+	# TODO: whenever their issue is fixed upstream, remove this "AND NOT BROTLI_USE_STATIC_LIBS" check
+	if(PKG_CONFIG_FOUND AND NOT BROTLI_USE_STATIC_LIBS)
 		# These need to be GLOBAL for MinGW when making ALIAS libraries against them.
-		if(BROTLI_USE_STATIC_LIBS)
-			# Have to use _STATIC to tell PkgConfig to find the static libs.
-			pkg_check_modules(Brotli_${_component_name}_STATIC QUIET GLOBAL IMPORTED_TARGET libbrotli${_libname})
-		else()
-			pkg_check_modules(Brotli_${_component_name} QUIET GLOBAL IMPORTED_TARGET libbrotli${_libname})
-		endif()
+		# Have to postfix _STATIC on the name to tell PkgConfig to find the static libs.
+		pkg_check_modules(Brotli_${_component_name}${_brotli_stat_str} QUIET GLOBAL IMPORTED_TARGET libbrotli${_libname})
 	endif()
 
-	# Check if the target was already found by Pkgconf 
-	if(TARGET PkgConfig::Brotli_${_component_name} OR TARGET PkgConfig::Brotli_${_component_name}_STATIC)
-		# Can't use generators for ALIAS targets, so you get this jank
+	# Check if the target was already found by Pkgconf
+	if(TARGET PkgConfig::Brotli_${_component_name}${_brotli_stat_str})
+		# ALIAS since we don't want the PkgConfig namespace on the Cmake library (for end-users)
 		add_library(Brotli::${_component_name} ALIAS PkgConfig::Brotli_${_component_name}${_brotli_stat_str})
 
 		# Tells HANDLE_COMPONENTS we found the component
@@ -109,23 +104,18 @@ foreach(_listvar "common;common" "decoder;dec" "encoder;enc")
 		continue()
 	endif()
 
-	# Lets us know we aren't using the PkgConfig libraries
-	set(_brotli_using_pkgconf FALSE)
 	if(Brotli_FIND_REQUIRED_${_component_name})
 		# If it's required, we can set the name used in find_library as a required var for FindPackageHandleStandardArgs
 		list(APPEND _brotli_req_vars "Brotli_${_component_name}")
 	endif()
 
+	list(APPEND _brotli_lib_names
+		"brotli${_libname}"
+		"libbrotli${_libname}"
+	)
 	if(BROTLI_USE_STATIC_LIBS)
-		list(APPEND _brotli_lib_names
-			"brotli${_libname}-static"
-			"libbrotli${_libname}-static"
-		)
-	else()
-		list(APPEND _brotli_lib_names
-			"brotli${_libname}"
-			"libbrotli${_libname}"
-		)
+		# Postfix "-static" to the libnames since we're looking for static libs
+		list(TRANSFORM _brotli_lib_names APPEND "-static")
 	endif()
 
 	find_library(Brotli_${_component_name}
@@ -168,7 +158,7 @@ find_package_handle_standard_args(Brotli
 		Brotli_FOUND
 	REQUIRED_VARS
 		Brotli_INCLUDE_DIR
-		${_brotli_required_targets}
+		${_brotli_req_vars}
 	HANDLE_COMPONENTS
 )
 

docker-compose.yml

@@ -0,0 +1,7 @@
+services:
+  http:
+    build: .
+    ports:
+      - "8080:80"
+    volumes:
+      - ./docker/html:/html

docker/html/index.html

@@ -0,0 +1,21 @@
+<!DOCTYPE html>
+<html>
+<head>
+<title>Welcome to cpp-httplib!</title>
+<style>
+html { color-scheme: light dark; }
+body { width: 35em; margin: 0 auto;
+font-family: Tahoma, Verdana, Arial, sans-serif; }
+</style>
+</head>
+<body>
+<h1>Welcome to cpp-httplib!</h1>
+<p>If you see this page, the cpp-httplib web server is successfully installed and
+working. Further configuration is required.</p>
+
+<p>For online documentation and support please refer to
+<a href="https://github.com/yhirose/cpp-httplib">github.com/yhirose/cpp-httplib</a>.<br/>
+
+<p><em>Thank you for using cpp-httplib.</em></p>
+</body>
+</html>

docker/main.cc

@@ -0,0 +1,81 @@
+//
+//  main.cc
+//
+//  Copyright (c) 2025 Yuji Hirose. All rights reserved.
+//  MIT License
+//
+
+#include <chrono>
+#include <ctime>
+#include <format>
+#include <iomanip>
+#include <iostream>
+#include <sstream>
+
+#include <httplib.h>
+
+constexpr auto error_html = R"(<html>
+<head><title>{} {}</title></head>
+<body>
+<center><h1>404 Not Found</h1></center>
+<hr><center>cpp-httplib/{}</center>
+</body>
+</html>
+)";
+
+void sigint_handler(int s) { exit(1); }
+
+std::string time_local() {
+  auto p = std::chrono::system_clock::now();
+  auto t = std::chrono::system_clock::to_time_t(p);
+
+  std::stringstream ss;
+  ss << std::put_time(std::localtime(&t), "%d/%b/%Y:%H:%M:%S %z");
+  return ss.str();
+}
+
+std::string log(auto &req, auto &res) {
+  auto remote_user = "-"; // TODO:
+  auto request = std::format("{} {} {}", req.method, req.path, req.version);
+  auto body_bytes_sent = res.get_header_value("Content-Length");
+  auto http_referer = "-"; // TODO:
+  auto http_user_agent = req.get_header_value("User-Agent", "-");
+
+  // NOTE: From NGINX default access log format
+  // log_format combined '$remote_addr - $remote_user [$time_local] '
+  //                     '"$request" $status $body_bytes_sent '
+  //                     '"$http_referer" "$http_user_agent"';
+  return std::format(R"({} - {} [{}] "{}" {} {} "{}" "{}")", req.remote_addr,
+                     remote_user, time_local(), request, res.status,
+                     body_bytes_sent, http_referer, http_user_agent);
+}
+
+int main(int argc, const char **argv) {
+  signal(SIGINT, sigint_handler);
+
+  auto base_dir = "./html";
+  auto host = "0.0.0.0";
+  auto port = 80;
+
+  httplib::Server svr;
+
+  svr.set_error_handler([](auto & /*req*/, auto &res) {
+    auto body =
+        std::format(error_html, res.status, httplib::status_message(res.status),
+                    CPPHTTPLIB_VERSION);
+
+    res.set_content(body, "text/html");
+  });
+
+  svr.set_logger(
+      [](auto &req, auto &res) { std::cout << log(req, res) << std::endl; });
+
+  svr.set_mount_point("/", base_dir);
+
+  std::cout << std::format("Serving HTTP on {0} port {1} ...", host, port)
+            << std::endl;
+
+  auto ret = svr.listen(host, port);
+
+  return ret ? 0 : 1;
+}

example/Makefile

@@ -1,8 +1,7 @@
 #CXX = clang++
 CXXFLAGS = -O2 -std=c++11 -I.. -Wall -Wextra -pthread
 
-PREFIX = /usr/local
-#PREFIX = $(shell brew --prefix)
+PREFIX ?= $(shell brew --prefix)
 
 OPENSSL_DIR = $(PREFIX)/opt/openssl@3
 OPENSSL_SUPPORT = -DCPPHTTPLIB_OPENSSL_SUPPORT -I$(OPENSSL_DIR)/include -L$(OPENSSL_DIR)/lib -lssl -lcrypto
@@ -19,7 +18,7 @@ ZLIB_SUPPORT = -DCPPHTTPLIB_ZLIB_SUPPORT -lz
 BROTLI_DIR = $(PREFIX)/opt/brotli
 BROTLI_SUPPORT = -DCPPHTTPLIB_BROTLI_SUPPORT -I$(BROTLI_DIR)/include -L$(BROTLI_DIR)/lib -lbrotlicommon -lbrotlienc -lbrotlidec
 
-all: server client hello simplecli simplesvr upload redirect ssesvr ssecli benchmark issue
+all: server client hello simplecli simplesvr upload redirect ssesvr ssecli benchmark one_time_request server_and_client
 
 server : server.cc ../httplib.h Makefile
 	$(CXX) -o server $(CXXFLAGS) server.cc $(OPENSSL_SUPPORT) $(ZLIB_SUPPORT) $(BROTLI_SUPPORT)
@@ -51,9 +50,15 @@ ssecli : ssecli.cc ../httplib.h Makefile
 benchmark : benchmark.cc ../httplib.h Makefile
 	$(CXX) -o benchmark $(CXXFLAGS) benchmark.cc $(OPENSSL_SUPPORT) $(ZLIB_SUPPORT) $(BROTLI_SUPPORT)
 
+one_time_request : one_time_request.cc ../httplib.h Makefile
+	$(CXX) -o one_time_request $(CXXFLAGS) one_time_request.cc $(OPENSSL_SUPPORT) $(ZLIB_SUPPORT) $(BROTLI_SUPPORT)
+
+server_and_client : server_and_client.cc ../httplib.h Makefile
+	$(CXX) -o server_and_client $(CXXFLAGS) server_and_client.cc $(OPENSSL_SUPPORT) $(ZLIB_SUPPORT) $(BROTLI_SUPPORT)
+
 pem:
 	openssl genrsa 2048 > key.pem
 	openssl req -new -key key.pem | openssl x509 -days 3650 -req -signkey key.pem > cert.pem
 
 clean:
-	rm server client hello simplecli simplesvr upload redirect ssesvr ssecli benchmark *.pem
+	rm server client hello simplecli simplesvr upload redirect ssesvr ssecli benchmark one_time_request server_and_client *.pem

example/client.vcxproj

@@ -22,34 +22,34 @@
     <ProjectGuid>{6DB1FC63-B153-4279-92B7-D8A11AF285D6}</ProjectGuid>
     <Keyword>Win32Proj</Keyword>
     <RootNamespace>client</RootNamespace>
-    <WindowsTargetPlatformVersion>10.0.15063.0</WindowsTargetPlatformVersion>
+    <WindowsTargetPlatformVersion>10.0</WindowsTargetPlatformVersion>
   </PropertyGroup>
   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.Default.props" />
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'" Label="Configuration">
     <ConfigurationType>Application</ConfigurationType>
     <UseDebugLibraries>true</UseDebugLibraries>
     <CharacterSet>Unicode</CharacterSet>
-    <PlatformToolset>v141</PlatformToolset>
+    <PlatformToolset>v143</PlatformToolset>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'" Label="Configuration">
     <ConfigurationType>Application</ConfigurationType>
     <UseDebugLibraries>true</UseDebugLibraries>
     <CharacterSet>Unicode</CharacterSet>
-    <PlatformToolset>v141</PlatformToolset>
+    <PlatformToolset>v143</PlatformToolset>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'" Label="Configuration">
     <ConfigurationType>Application</ConfigurationType>
     <UseDebugLibraries>false</UseDebugLibraries>
     <WholeProgramOptimization>true</WholeProgramOptimization>
     <CharacterSet>Unicode</CharacterSet>
-    <PlatformToolset>v141</PlatformToolset>
+    <PlatformToolset>v143</PlatformToolset>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'" Label="Configuration">
     <ConfigurationType>Application</ConfigurationType>
     <UseDebugLibraries>false</UseDebugLibraries>
     <WholeProgramOptimization>true</WholeProgramOptimization>
     <CharacterSet>Unicode</CharacterSet>
-    <PlatformToolset>v141</PlatformToolset>
+    <PlatformToolset>v143</PlatformToolset>
   </PropertyGroup>
   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.props" />
   <ImportGroup Label="ExtensionSettings">

example/one_time_request.cc

@@ -0,0 +1,56 @@
+#include <httplib.h>
+#include <iostream>
+
+using namespace httplib;
+
+const char *HOST = "localhost";
+const int PORT = 1234;
+
+void one_time_request_server(const char *label) {
+  std::thread th;
+  Server svr;
+
+  svr.Get("/hi", [&](const Request & /*req*/, Response &res) {
+    res.set_content(std::string("Hello from ") + label, "text/plain");
+
+    // Stop server
+    th = std::thread([&]() { svr.stop(); });
+  });
+
+  svr.listen(HOST, PORT);
+  th.join();
+
+  std::cout << label << " ended..." << std::endl;
+}
+
+void send_request(const char *label) {
+  Client cli(HOST, PORT);
+
+  std::cout << "Send " << label << " request" << std::endl;
+  auto res = cli.Get("/hi");
+
+  if (res) {
+    std::cout << res->body << std::endl;
+  } else {
+    std::cout << "Request error: " + to_string(res.error()) << std::endl;
+  }
+}
+
+int main(void) {
+  auto th1 = std::thread([&]() { one_time_request_server("Server #1"); });
+  auto th2 = std::thread([&]() { one_time_request_server("Server #2"); });
+
+  std::this_thread::sleep_for(std::chrono::milliseconds(100));
+
+  send_request("1st");
+  std::this_thread::sleep_for(std::chrono::milliseconds(100));
+
+  send_request("2nd");
+  std::this_thread::sleep_for(std::chrono::milliseconds(100));
+
+  send_request("3rd");
+  std::this_thread::sleep_for(std::chrono::milliseconds(100));
+
+  th1.join();
+  th2.join();
+}

example/server.vcxproj

@@ -18,38 +18,41 @@
       <Platform>x64</Platform>
     </ProjectConfiguration>
   </ItemGroup>
+  <ItemGroup>
+    <ClCompile Include="simplesvr.cc" />
+  </ItemGroup>
   <PropertyGroup Label="Globals">
     <ProjectGuid>{864CD288-050A-4C8B-9BEF-3048BD876C5B}</ProjectGuid>
     <Keyword>Win32Proj</Keyword>
     <RootNamespace>sample</RootNamespace>
-    <WindowsTargetPlatformVersion>10.0.15063.0</WindowsTargetPlatformVersion>
+    <WindowsTargetPlatformVersion>10.0</WindowsTargetPlatformVersion>
   </PropertyGroup>
   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.Default.props" />
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'" Label="Configuration">
     <ConfigurationType>Application</ConfigurationType>
     <UseDebugLibraries>true</UseDebugLibraries>
     <CharacterSet>Unicode</CharacterSet>
-    <PlatformToolset>v141</PlatformToolset>
+    <PlatformToolset>v143</PlatformToolset>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'" Label="Configuration">
     <ConfigurationType>Application</ConfigurationType>
     <UseDebugLibraries>true</UseDebugLibraries>
     <CharacterSet>Unicode</CharacterSet>
-    <PlatformToolset>v141</PlatformToolset>
+    <PlatformToolset>v143</PlatformToolset>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'" Label="Configuration">
     <ConfigurationType>Application</ConfigurationType>
     <UseDebugLibraries>false</UseDebugLibraries>
     <WholeProgramOptimization>true</WholeProgramOptimization>
     <CharacterSet>Unicode</CharacterSet>
-    <PlatformToolset>v141</PlatformToolset>
+    <PlatformToolset>v143</PlatformToolset>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'" Label="Configuration">
     <ConfigurationType>Application</ConfigurationType>
     <UseDebugLibraries>false</UseDebugLibraries>
     <WholeProgramOptimization>true</WholeProgramOptimization>
     <CharacterSet>Unicode</CharacterSet>
-    <PlatformToolset>v141</PlatformToolset>
+    <PlatformToolset>v143</PlatformToolset>
   </PropertyGroup>
   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.props" />
   <ImportGroup Label="ExtensionSettings">
@@ -151,9 +154,6 @@
       <AdditionalDependencies>Ws2_32.lib;%(AdditionalDependencies)</AdditionalDependencies>
     </Link>
   </ItemDefinitionGroup>
-  <ItemGroup>
-    <ClCompile Include="server.cc" />
-  </ItemGroup>
   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.targets" />
   <ImportGroup Label="ExtensionTargets">
   </ImportGroup>

example/server_and_client.cc

@@ -0,0 +1,90 @@
+//
+//  server_and_client.cc
+//
+//  Copyright (c) 2025 Yuji Hirose. All rights reserved.
+//  MIT License
+//
+
+#include <httplib.h>
+#include <iostream>
+#include <string>
+
+using namespace httplib;
+
+std::string dump_headers(const Headers &headers) {
+  std::string s;
+  char buf[BUFSIZ];
+
+  for (auto it = headers.begin(); it != headers.end(); ++it) {
+    const auto &x = *it;
+    snprintf(buf, sizeof(buf), "%s: %s\n", x.first.c_str(), x.second.c_str());
+    s += buf;
+  }
+
+  return s;
+}
+
+void logger(const Request &req, const Response &res) {
+  std::string s;
+  char buf[BUFSIZ];
+
+  s += "================================\n";
+
+  snprintf(buf, sizeof(buf), "%s %s %s", req.method.c_str(),
+           req.version.c_str(), req.path.c_str());
+  s += buf;
+
+  std::string query;
+  for (auto it = req.params.begin(); it != req.params.end(); ++it) {
+    const auto &x = *it;
+    snprintf(buf, sizeof(buf), "%c%s=%s",
+             (it == req.params.begin()) ? '?' : '&', x.first.c_str(),
+             x.second.c_str());
+    query += buf;
+  }
+  snprintf(buf, sizeof(buf), "%s\n", query.c_str());
+  s += buf;
+
+  s += dump_headers(req.headers);
+
+  s += "--------------------------------\n";
+
+  snprintf(buf, sizeof(buf), "%d %s\n", res.status, res.version.c_str());
+  s += buf;
+  s += dump_headers(res.headers);
+  s += "\n";
+
+  if (!res.body.empty()) { s += res.body; }
+
+  s += "\n";
+
+  std::cout << s;
+}
+
+int main(void) {
+  // Server
+  Server svr;
+  svr.set_logger(logger);
+
+  svr.Post("/post", [&](const Request & /*req*/, Response &res) {
+    res.set_content("POST", "text/plain");
+  });
+
+  auto th = std::thread([&]() { svr.listen("localhost", 8080); });
+
+  auto se = detail::scope_exit([&] {
+    svr.stop();
+    th.join();
+  });
+
+  svr.wait_until_ready();
+
+  // Client
+  Client cli{"localhost", 8080};
+
+  std::string body = R"({"hello": "world"})";
+
+  auto res = cli.Post("/post", body, "application/json");
+  std::cout << "--------------------------------" << std::endl;
+  std::cout << to_string(res.error()) << std::endl;
+}

example/ssesvr.cc

@@ -12,8 +12,7 @@ using namespace std;
 
 class EventDispatcher {
 public:
-  EventDispatcher() {
-  }
+  EventDispatcher() {}
 
   void wait_event(DataSink *sink) {
     unique_lock<mutex> lk(m_);

meson.build

@@ -13,7 +13,7 @@ project(
     'b_lto=true',
     'warning_level=3'
   ],
-  meson_version: '>=0.47.0'
+  meson_version: '>=0.62.0'
 )
 
 # Check just in case downstream decides to edit the source
@@ -98,20 +98,18 @@ if get_option('cpp-httplib_compile')
   )
 else
   install_headers('httplib.h')
-  cpp_httplib_dep = declare_dependency(compile_args: args, dependencies: deps, include_directories: include_directories('.'))
+  cpp_httplib_dep = declare_dependency(compile_args: args, dependencies: deps, include_directories: '.')
 
   import('pkgconfig').generate(
     name: 'cpp-httplib',
     description: 'A C++ HTTP/HTTPS server and client library',
-    install_dir: join_paths(get_option('datadir'), 'pkgconfig'),
+    install_dir: get_option('datadir')/'pkgconfig',
     url: 'https://github.com/yhirose/cpp-httplib',
     version: version
   )
 endif
 
-if meson.version().version_compare('>=0.54.0')
-  meson.override_dependency('cpp-httplib', cpp_httplib_dep)
-endif
+meson.override_dependency('cpp-httplib', cpp_httplib_dep)
 
 if get_option('cpp-httplib_test')
   subdir('test')

test/CMakeLists.txt

@@ -2,7 +2,7 @@ find_package(GTest)
 
 if(GTest_FOUND)
     if(NOT TARGET GTest::gtest_main AND TARGET GTest::Main)
-	# CMake <3.20
+        # CMake <3.20
         add_library(GTest::gtest_main INTERFACE IMPORTED)
         target_link_libraries(GTest::gtest_main INTERFACE GTest::Main)
     endif()
@@ -24,22 +24,24 @@ else()
     FetchContent_MakeAvailable(gtest)
 endif()
 
-add_executable(httplib-test test.cc)
+find_package(CURL REQUIRED)
+
+add_executable(httplib-test test.cc include_httplib.cc $<$<BOOL:${WIN32}>:include_windows_h.cc>)
 target_compile_options(httplib-test PRIVATE "$<$<CXX_COMPILER_ID:MSVC>:/utf-8;/bigobj>")
-target_link_libraries(httplib-test PRIVATE httplib GTest::gtest_main)
+target_link_libraries(httplib-test PRIVATE httplib GTest::gtest_main CURL::libcurl)
 gtest_discover_tests(httplib-test)
 
-execute_process(
-    COMMAND ${CMAKE_COMMAND} -E copy_directory ${CMAKE_CURRENT_LIST_DIR}/www www
-    COMMAND ${CMAKE_COMMAND} -E copy_directory ${CMAKE_CURRENT_LIST_DIR}/www2 www2
-    COMMAND ${CMAKE_COMMAND} -E copy_directory ${CMAKE_CURRENT_LIST_DIR}/www3 www3
-    COMMAND ${CMAKE_COMMAND} -E copy_if_different ${CMAKE_CURRENT_LIST_DIR}/ca-bundle.crt ca-bundle.crt
-    COMMAND ${CMAKE_COMMAND} -E copy_if_different ${CMAKE_CURRENT_LIST_DIR}/image.jpg image.jpg
-    WORKING_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}
-    COMMAND_ERROR_IS_FATAL ANY
+file(
+    COPY www www2 www3 ca-bundle.crt image.jpg
+    DESTINATION ${CMAKE_CURRENT_BINARY_DIR}
 )
 
 if(HTTPLIB_IS_USING_OPENSSL)
+    if (OPENSSL_VERSION VERSION_LESS "3.2.0")
+      set(OPENSSL_X509_FLAG "-x509")
+    else()
+      set(OPENSSL_X509_FLAG "-x509v1")
+    endif()
     find_program(OPENSSL_COMMAND
         NAMES openssl
         PATHS ${OPENSSL_INCLUDE_DIR}/../bin
@@ -59,7 +61,7 @@ if(HTTPLIB_IS_USING_OPENSSL)
         COMMAND_ERROR_IS_FATAL ANY
     )
     execute_process(
-        COMMAND ${OPENSSL_COMMAND} req -x509 -new -config ${CMAKE_CURRENT_LIST_DIR}/test.conf -key key.pem -sha256 -days 3650 -nodes -out cert2.pem -extensions SAN
+        COMMAND ${OPENSSL_COMMAND} req ${OPENSSL_X509_FLAG} -new -config ${CMAKE_CURRENT_LIST_DIR}/test.conf -key key.pem -sha256 -days 3650 -nodes -out cert2.pem -extensions SAN
         WORKING_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}
         COMMAND_ERROR_IS_FATAL ANY
     )
@@ -70,7 +72,7 @@ if(HTTPLIB_IS_USING_OPENSSL)
         COMMAND_ERROR_IS_FATAL ANY
     )
     execute_process(
-        COMMAND ${OPENSSL_COMMAND} req -x509 -new -batch -config ${CMAKE_CURRENT_LIST_DIR}/test.rootCA.conf -key rootCA.key.pem -days 1024
+        COMMAND ${OPENSSL_COMMAND} req ${OPENSSL_X509_FLAG} -new -batch -config ${CMAKE_CURRENT_LIST_DIR}/test.rootCA.conf -key rootCA.key.pem -days 1024
         OUTPUT_FILE rootCA.cert.pem
         WORKING_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}
         COMMAND_ERROR_IS_FATAL ANY
@@ -101,6 +103,19 @@ if(HTTPLIB_IS_USING_OPENSSL)
         WORKING_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}
         COMMAND_ERROR_IS_FATAL ANY
     )
+    execute_process(
+        COMMAND ${OPENSSL_COMMAND} genrsa -aes256 -passout pass:test012! 2048
+        OUTPUT_FILE client_encrypted.key.pem
+        WORKING_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}
+        COMMAND_ERROR_IS_FATAL ANY
+    )
+    execute_process(
+        COMMAND ${OPENSSL_COMMAND} req -new -batch -config ${CMAKE_CURRENT_LIST_DIR}/test.conf -key client_encrypted.key.pem -passin pass:test012!
+        COMMAND ${OPENSSL_COMMAND} x509 -days 370 -req -CA rootCA.cert.pem -CAkey rootCA.key.pem -CAcreateserial
+        OUTPUT_FILE client_encrypted.cert.pem
+        WORKING_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}
+        COMMAND_ERROR_IS_FATAL ANY
+    )
 endif()
 
 add_subdirectory(fuzzing)

test/Makefile

@@ -1,8 +1,7 @@
 CXX = clang++
 CXXFLAGS = -g -std=c++11 -I. -Wall -Wextra -Wtype-limits -Wconversion -Wshadow # -fno-exceptions -DCPPHTTPLIB_NO_EXCEPTIONS -fsanitize=address
 
-PREFIX = /usr/local
-#PREFIX = $(shell brew --prefix)
+PREFIX ?= $(shell brew --prefix)
 
 OPENSSL_DIR = $(PREFIX)/opt/openssl@3
 OPENSSL_SUPPORT = -DCPPHTTPLIB_OPENSSL_SUPPORT -I$(OPENSSL_DIR)/include -L$(OPENSSL_DIR)/lib -lssl -lcrypto
@@ -19,7 +18,7 @@ ZLIB_SUPPORT = -DCPPHTTPLIB_ZLIB_SUPPORT -lz
 BROTLI_DIR = $(PREFIX)/opt/brotli
 BROTLI_SUPPORT = -DCPPHTTPLIB_BROTLI_SUPPORT -I$(BROTLI_DIR)/include -L$(BROTLI_DIR)/lib -lbrotlicommon -lbrotlienc -lbrotlidec
 
-TEST_ARGS = gtest/gtest-all.cc gtest/gtest_main.cc $(OPENSSL_SUPPORT) $(ZLIB_SUPPORT) $(BROTLI_SUPPORT) -pthread
+TEST_ARGS = gtest/gtest-all.cc gtest/gtest_main.cc $(OPENSSL_SUPPORT) $(ZLIB_SUPPORT) $(BROTLI_SUPPORT) -pthread -lcurl
 
 # By default, use standalone_fuzz_target_runner.
 # This runner does no fuzzing, but simply executes the inputs
@@ -29,6 +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 example/*.h example/*.cc fuzzing/*.h fuzzing/*.cc *.h *.cc ../httplib.h))
+
 all : test test_split
 	./test
 
@@ -43,6 +47,31 @@ test : test.cc include_httplib.cc ../httplib.h Makefile cert.pem
 test_split : test.cc ../httplib.h httplib.cc Makefile cert.pem
 	$(CXX) -o $@ $(CXXFLAGS) test.cc httplib.cc $(TEST_ARGS)
 
+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)
 
@@ -64,16 +93,8 @@ httplib.cc : ../httplib.h
 	python3 ../split.py -o .
 
 cert.pem:
-	openssl genrsa 2048 > key.pem
-	openssl req -new -batch -config test.conf -key key.pem | openssl x509 -days 3650 -req -signkey key.pem > cert.pem
-	openssl req -x509 -config test.conf -key key.pem -sha256 -days 3650 -nodes -out cert2.pem -extensions SAN
-	openssl genrsa 2048 > rootCA.key.pem
-	openssl req -x509 -new -batch -config test.rootCA.conf -key rootCA.key.pem -days 1024 > rootCA.cert.pem
-	openssl genrsa 2048 > client.key.pem
-	openssl req -new -batch -config test.conf -key client.key.pem | openssl x509 -days 370 -req -CA rootCA.cert.pem -CAkey rootCA.key.pem -CAcreateserial > client.cert.pem
-	openssl genrsa -passout pass:test123! 2048 > key_encrypted.pem
-	openssl req -new -batch -config test.conf -key key_encrypted.pem | openssl x509 -days 3650 -req -signkey key_encrypted.pem > cert_encrypted.pem
-	#c_rehash .
+	./gen-certs.sh
 
 clean:
-	rm -f test test_split test_proxy server_fuzzer *.pem *.0 *.o *.1 *.srl httplib.h httplib.cc
+	rm -rf test test_split test_proxy server_fuzzer *.pem *.0 *.o *.1 *.srl httplib.h httplib.cc _build* *.dSYM
+

test/fuzzing/server_fuzzer.cc

@@ -25,7 +25,9 @@ public:
 
   bool is_readable() const override { return true; }
 
-  bool is_writable() const override { return true; }
+  bool wait_readable() const override { return true; }
+
+  bool wait_writable() const override { return true; }
 
   void get_remote_ip_and_port(std::string &ip, int &port) const override {
     ip = "127.0.0.1";
@@ -39,6 +41,8 @@ public:
 
   socket_t socket() const override { return 0; }
 
+  time_t duration() const override { return 0; };
+
 private:
   const uint8_t *data_;
   size_t size_;
@@ -50,8 +54,12 @@ class FuzzableServer : public httplib::Server {
 public:
   void ProcessFuzzedRequest(FuzzedStream &stream) {
     bool connection_close = false;
-    process_request(stream, /*last_connection=*/false, connection_close,
-                    nullptr);
+    process_request(stream,
+                    /*remote_addr=*/"",
+                    /*remote_port =*/0,
+                    /*local_addr=*/"",
+                    /*local_port =*/0,
+                    /*last_connection=*/false, connection_close, nullptr);
   }
 };
 

test/gen-certs.sh

@@ -0,0 +1,18 @@
+#!/usr/bin/env bash
+if [[ $(openssl version) =~ 3\.[2-9]\.[0-9]+ ]]; then
+	OPENSSL_X509_FLAG='-x509v1'
+else
+	OPENSSL_X509_FLAG='-x509'
+fi
+
+openssl genrsa 2048 > key.pem
+openssl req -new -batch -config test.conf -key key.pem | openssl x509 -days 3650 -req -signkey key.pem > cert.pem
+openssl req -x509 -config test.conf -key key.pem -sha256 -days 3650 -nodes -out cert2.pem -extensions SAN
+openssl genrsa 2048 > rootCA.key.pem
+openssl req $OPENSSL_X509_FLAG -new -batch -config test.rootCA.conf -key rootCA.key.pem -days 1024 > rootCA.cert.pem
+openssl genrsa 2048 > client.key.pem
+openssl req -new -batch -config test.conf -key client.key.pem | openssl x509 -days 370 -req -CA rootCA.cert.pem -CAkey rootCA.key.pem -CAcreateserial > client.cert.pem
+openssl genrsa -passout pass:test123! 2048 > key_encrypted.pem
+openssl req -new -batch -config test.conf -key key_encrypted.pem | openssl x509 -days 3650 -req -signkey key_encrypted.pem > cert_encrypted.pem
+openssl genrsa -aes256 -passout pass:test012! 2048 > client_encrypted.key.pem
+openssl req -new -batch -config test.conf -key client_encrypted.key.pem -passin pass:test012! | openssl x509 -days 370 -req -CA rootCA.cert.pem -CAkey rootCA.key.pem -CAcreateserial > client_encrypted.cert.pem

test/include_windows_h.cc

@@ -0,0 +1,6 @@
+// Test if including windows.h conflicts with httplib.h
+
+#define WIN32_LEAN_AND_MEAN
+#include <windows.h>
+
+#include <httplib.h>

test/make-shared-library.sh

@@ -0,0 +1,28 @@
+#!/usr/bin/env bash
+if [ "$#" -ne 1 ]; then
+    echo "Usage: $0 build_dir"
+    exit 1
+fi
+
+BUILD_DIR=$1
+
+# Make the build directory
+rm -rf $BUILD_DIR
+mkdir -p $BUILD_DIR/out
+
+cd $BUILD_DIR
+
+# Build the version
+git checkout $BUILD_DIR -q
+
+cmake \
+  -DCMAKE_BUILD_TYPE=Debug \
+  -DCMAKE_CXX_FLAGS="-g -Og" \
+  -DBUILD_SHARED_LIBS=ON \
+  -DHTTPLIB_COMPILE=ON \
+  -DCMAKE_INSTALL_PREFIX=./out \
+  ../..
+
+cmake --build . --target install
+cmake --build . --target clean
+

test/meson.build

@@ -3,8 +3,10 @@
 # SPDX-License-Identifier: MIT
 
 gtest_dep = dependency('gtest', main: true)
+libcurl_dep = dependency('libcurl')
 openssl = find_program('openssl')
 test_conf = files('test.conf')
+req_x509_flag = openssl.version().version_compare('>=3.2.0') ? '-x509v1' : '-x509'
 
 key_pem = custom_target(
   'key_pem',
@@ -30,7 +32,7 @@ cert2_pem = custom_target(
   'cert2_pem',
   input: key_pem,
   output: 'cert2.pem',
-  command: [openssl, 'req', '-x509', '-config', test_conf, '-key', '@INPUT@', '-sha256', '-days', '3650', '-nodes', '-out', '@OUTPUT@', '-extensions', 'SAN']
+  command: [openssl, 'req', req_x509_flag, '-config', test_conf, '-key', '@INPUT@', '-sha256', '-days', '3650', '-nodes', '-out', '@OUTPUT@', '-extensions', 'SAN']
 )
 
 key_encrypted_pem = custom_target(
@@ -43,7 +45,7 @@ cert_encrypted_pem = custom_target(
   'cert_encrypted_pem',
   input: key_encrypted_pem,
   output: 'cert_encrypted.pem',
-  command: [openssl, 'req', '-x509', '-config', test_conf, '-key', '@INPUT@', '-sha256', '-days', '3650', '-nodes', '-out', '@OUTPUT@', '-extensions', 'SAN']
+  command: [openssl, 'req', req_x509_flag, '-config', test_conf, '-key', '@INPUT@', '-sha256', '-days', '3650', '-nodes', '-out', '@OUTPUT@', '-extensions', 'SAN']
 )
 
 rootca_key_pem = custom_target(
@@ -56,7 +58,7 @@ rootca_cert_pem = custom_target(
   'rootca_cert_pem',
   input: rootca_key_pem,
   output: 'rootCA.cert.pem',
-  command: [openssl, 'req', '-x509', '-new', '-batch', '-config', files('test.rootCA.conf'), '-key', '@INPUT@', '-days', '1024', '-out', '@OUTPUT@']
+  command: [openssl, 'req', req_x509_flag, '-new', '-batch', '-config', files('test.rootCA.conf'), '-key', '@INPUT@', '-days', '1024', '-out', '@OUTPUT@']
 )
 
 client_key_pem = custom_target(
@@ -79,12 +81,32 @@ client_cert_pem = custom_target(
   command: [openssl, 'x509', '-in', '@INPUT0@', '-days', '370', '-req', '-CA', '@INPUT1@', '-CAkey', '@INPUT2@', '-CAcreateserial', '-out', '@OUTPUT@']
 )
 
+client_encrypted_key_pem = custom_target(
+  'client_encrypted_key_pem',
+  output: 'client_encrypted.key.pem',
+  command: [openssl, 'genrsa', '-aes256', '-passout', 'pass:test012!', '-out', '@OUTPUT@', '2048']
+)
+
+client_encrypted_temp_req = custom_target(
+  'client_encrypted_temp_req',
+  input: client_encrypted_key_pem,
+  output: 'client_encrypted_temp_req',
+  command: [openssl, 'req', '-new', '-batch', '-config', test_conf, '-key', '@INPUT@', '-passin', 'pass:test012!', '-out', '@OUTPUT@']
+)
+
+client_encrypted_cert_pem = custom_target(
+  'client_encrypted_cert_pem',
+  input: [client_encrypted_temp_req, rootca_cert_pem, rootca_key_pem],
+  output: 'client_encrypted.cert.pem',
+  command: [openssl, 'x509', '-in', '@INPUT0@', '-days', '370', '-req', '-CA', '@INPUT1@', '-CAkey', '@INPUT2@', '-CAcreateserial', '-out', '@OUTPUT@']
+)
+
 # Copy test files to the build directory
 configure_file(input: 'ca-bundle.crt', output: 'ca-bundle.crt', copy: true)
 configure_file(input: 'image.jpg',     output: 'image.jpg',     copy: true)
-subdir(join_paths('www', 'dir'))
-subdir(join_paths('www2', 'dir'))
-subdir(join_paths('www3', 'dir'))
+subdir('www')
+subdir('www2'/'dir')
+subdir('www3'/'dir')
 
 # GoogleTest 1.13.0 requires C++14
 test_options = []
@@ -99,7 +121,8 @@ test(
     'test.cc',
     dependencies: [
       cpp_httplib_dep,
-      gtest_dep
+      gtest_dep,
+      libcurl_dep
     ],
     override_options: test_options
   ),
@@ -112,7 +135,9 @@ test(
     rootca_key_pem,
     rootca_cert_pem,
     client_key_pem,
-    client_cert_pem
+    client_cert_pem,
+    client_encrypted_key_pem,
+    client_encrypted_cert_pem
   ],
   workdir: meson.current_build_dir(),
   timeout: 300

test/test.vcxproj

@@ -28,26 +28,26 @@
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'" Label="Configuration">
     <ConfigurationType>Application</ConfigurationType>
     <UseDebugLibraries>true</UseDebugLibraries>
-    <PlatformToolset>v142</PlatformToolset>
+    <PlatformToolset>v143</PlatformToolset>
     <CharacterSet>Unicode</CharacterSet>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'" Label="Configuration">
     <ConfigurationType>Application</ConfigurationType>
     <UseDebugLibraries>true</UseDebugLibraries>
-    <PlatformToolset>v142</PlatformToolset>
+    <PlatformToolset>v143</PlatformToolset>
     <CharacterSet>Unicode</CharacterSet>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'" Label="Configuration">
     <ConfigurationType>Application</ConfigurationType>
     <UseDebugLibraries>false</UseDebugLibraries>
-    <PlatformToolset>v142</PlatformToolset>
+    <PlatformToolset>v143</PlatformToolset>
     <WholeProgramOptimization>true</WholeProgramOptimization>
     <CharacterSet>Unicode</CharacterSet>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'" Label="Configuration">
     <ConfigurationType>Application</ConfigurationType>
     <UseDebugLibraries>false</UseDebugLibraries>
-    <PlatformToolset>v142</PlatformToolset>
+    <PlatformToolset>v143</PlatformToolset>
     <WholeProgramOptimization>true</WholeProgramOptimization>
     <CharacterSet>Unicode</CharacterSet>
   </PropertyGroup>
@@ -177,4 +177,4 @@
   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.targets" />
   <ImportGroup Label="ExtensionTargets">
   </ImportGroup>
-</Project>
+</Project>

test/test_proxy.cc

@@ -5,8 +5,7 @@
 using namespace std;
 using namespace httplib;
 
-template <typename T>
-void ProxyTest(T& cli, bool basic) {
+template <typename T> void ProxyTest(T &cli, bool basic) {
   cli.set_proxy("localhost", basic ? 3128 : 3129);
   auto res = cli.Get("/httpbin/get");
   ASSERT_TRUE(res != nullptr);
@@ -38,7 +37,7 @@ TEST(ProxyTest, SSLDigest) {
 // ----------------------------------------------------------------------------
 
 template <typename T>
-void RedirectProxyText(T& cli, const char *path, bool basic) {
+void RedirectProxyText(T &cli, const char *path, bool basic) {
   cli.set_proxy("localhost", basic ? 3128 : 3129);
   if (basic) {
     cli.set_proxy_basic_auth("hello", "world");
@@ -100,8 +99,7 @@ TEST(RedirectTest, YouTubeSSLDigest) {
 
 // ----------------------------------------------------------------------------
 
-template <typename T>
-void BaseAuthTestFromHTTPWatch(T& cli) {
+template <typename T> void BaseAuthTestFromHTTPWatch(T &cli) {
   cli.set_proxy("localhost", 3128);
   cli.set_proxy_basic_auth("hello", "world");
 
@@ -112,11 +110,11 @@ void BaseAuthTestFromHTTPWatch(T& cli) {
   }
 
   {
-    auto res =
-        cli.Get("/basic-auth/hello/world",
-                {make_basic_authentication_header("hello", "world")});
+    auto res = cli.Get("/basic-auth/hello/world",
+                       {make_basic_authentication_header("hello", "world")});
     ASSERT_TRUE(res != nullptr);
-    EXPECT_EQ("{\n  \"authenticated\": true, \n  \"user\": \"hello\"\n}\n", res->body);
+    EXPECT_EQ("{\n  \"authenticated\": true, \n  \"user\": \"hello\"\n}\n",
+              res->body);
     EXPECT_EQ(StatusCode::OK_200, res->status);
   }
 
@@ -124,7 +122,8 @@ void BaseAuthTestFromHTTPWatch(T& cli) {
     cli.set_basic_auth("hello", "world");
     auto res = cli.Get("/basic-auth/hello/world");
     ASSERT_TRUE(res != nullptr);
-    EXPECT_EQ("{\n  \"authenticated\": true, \n  \"user\": \"hello\"\n}\n", res->body);
+    EXPECT_EQ("{\n  \"authenticated\": true, \n  \"user\": \"hello\"\n}\n",
+              res->body);
     EXPECT_EQ(StatusCode::OK_200, res->status);
   }
 
@@ -158,8 +157,7 @@ TEST(BaseAuthTest, SSL) {
 // ----------------------------------------------------------------------------
 
 #ifdef CPPHTTPLIB_OPENSSL_SUPPORT
-template <typename T>
-void DigestAuthTestFromHTTPWatch(T& cli) {
+template <typename T> void DigestAuthTestFromHTTPWatch(T &cli) {
   cli.set_proxy("localhost", 3129);
   cli.set_proxy_digest_auth("hello", "world");
 
@@ -181,7 +179,8 @@ void DigestAuthTestFromHTTPWatch(T& cli) {
     for (auto path : paths) {
       auto res = cli.Get(path.c_str());
       ASSERT_TRUE(res != nullptr);
-      EXPECT_EQ("{\n  \"authenticated\": true, \n  \"user\": \"hello\"\n}\n", res->body);
+      EXPECT_EQ("{\n  \"authenticated\": true, \n  \"user\": \"hello\"\n}\n",
+                res->body);
       EXPECT_EQ(StatusCode::OK_200, res->status);
     }
 
@@ -216,8 +215,7 @@ TEST(DigestAuthTest, NoSSL) {
 
 // ----------------------------------------------------------------------------
 
-template <typename T>
-void KeepAliveTest(T& cli, bool basic) {
+template <typename T> void KeepAliveTest(T &cli, bool basic) {
   cli.set_proxy("localhost", basic ? 3128 : 3129);
   if (basic) {
     cli.set_proxy_basic_auth("hello", "world");
@@ -249,9 +247,10 @@ void KeepAliveTest(T& cli, bool basic) {
         "/httpbin/digest-auth/auth-int/hello/world/MD5",
     };
 
-    for (auto path: paths) {
+    for (auto path : paths) {
       auto res = cli.Get(path.c_str());
-      EXPECT_EQ("{\n  \"authenticated\": true, \n  \"user\": \"hello\"\n}\n", res->body);
+      EXPECT_EQ("{\n  \"authenticated\": true, \n  \"user\": \"hello\"\n}\n",
+                res->body);
       EXPECT_EQ(StatusCode::OK_200, res->status);
     }
   }

test/www/file

@@ -0,0 +1 @@
+file

test/www/meson.build

@@ -0,0 +1,7 @@
+# SPDX-FileCopyrightText: 2024 Andrea Pappacoda
+#
+# SPDX-License-Identifier: MIT
+
+configure_file(input: 'empty_file', output: 'empty_file', copy: true)
+configure_file(input: 'file',       output: 'file',       copy: true)
+subdir('dir')

test/www/日本語Dir/日本語File.txt

@@ -0,0 +1 @@
+日本語コンテンツ