ci: wire up support for Win32

.github/workflows/ci.yml

@@ -10,14 +10,26 @@ jobs:
   build:
     strategy:
       matrix:
-        os: [ ubuntu-latest, macos-latest ]
+        platform:
+          - os: ubuntu-latest
+            generator: Unix Makefiles
+          - os: macos-latest
+            generator: Unix Makefiles
+          - os: windows-latest
+            generator: Visual Studio 17 2022
+          - os: windows-latest
+            generator: MSYS Makefiles
+          - os: windows-latest
+            generator: MinGW Makefiles
 
-    runs-on: ${{ matrix.os }}
+    runs-on: ${{ matrix.platform.os }}
 
     steps:
     - name: Check out
       uses: actions/checkout@v2
     - name: Build
       run: |
-        cd test
-        make
+        mkdir build
+        cd build
+        cmake .. -G "${{matrix.platform.generator}}"
+        cmake --build .

.gitignore

@@ -0,0 +1 @@
+/build/

CMakeLists.txt

@@ -0,0 +1,28 @@
+cmake_minimum_required(VERSION 3.16..3.29)
+
+project(clar LANGUAGES C)
+
+option(BUILD_TESTS "Build test executable" ON)
+
+add_library(clar INTERFACE)
+target_sources(clar INTERFACE
+	clar.c
+	clar.h
+	clar/fixtures.h
+	clar/fs.h
+	clar/print.h
+	clar/sandbox.h
+	clar/summary.h
+)
+set_target_properties(clar PROPERTIES
+	C_STANDARD 90
+	C_STANDARD_REQUIRED ON
+	C_EXTENSIONS OFF
+)
+
+if(CMAKE_PROJECT_NAME STREQUAL PROJECT_NAME)
+	include(CTest)
+	if(BUILD_TESTING)
+		add_subdirectory(test)
+	endif()
+endif()

clar.c

@@ -13,6 +13,7 @@
 #include <stdarg.h>
 #include <wchar.h>
 #include <time.h>
+#include <inttypes.h>
 
 /* required for sandboxing */
 #include <sys/types.h>
@@ -61,13 +62,6 @@
 #		define p_snprintf snprintf
 #	endif
 
-#	ifndef PRIuZ
-#		define PRIuZ "Iu"
-#	endif
-#	ifndef PRIxZ
-#		define PRIxZ "Ix"
-#	endif
-
 #	if defined(_MSC_VER) || (defined(__MINGW32__) && !defined(__MINGW64_VERSION_MAJOR))
 	typedef struct stat STAT_T;
 #	else
@@ -78,12 +72,6 @@
 #	include <unistd.h>
 #	define _MAIN_CC
 #	define p_snprintf snprintf
-#	ifndef PRIuZ
-#		define PRIuZ "zu"
-#	endif
-#	ifndef PRIxZ
-#		define PRIxZ "zx"
-#	endif
 	typedef struct stat STAT_T;
 #endif
 
@@ -102,7 +90,7 @@ fixture_path(const char *base, const char *fixture_name);
 struct clar_error {
 	const char *file;
 	const char *function;
-	size_t line_number;
+	uintmax_t line_number;
 	const char *error_msg;
 	char *description;
 
@@ -271,9 +259,7 @@ static double clar_time_diff(clar_time *start, clar_time *end)
 
 static void clar_time_now(clar_time *out)
 {
-	struct timezone tz;
-
-	gettimeofday(out, &tz);
+	gettimeofday(out, NULL);
 }
 
 static double clar_time_diff(clar_time *start, clar_time *end)
@@ -798,8 +784,8 @@ void clar__assert_equal(
 			}
 		}
 	}
-	else if (!strcmp("%"PRIuZ, fmt) || !strcmp("%"PRIxZ, fmt)) {
-		size_t sz1 = va_arg(args, size_t), sz2 = va_arg(args, size_t);
+	else if (!strcmp("%"PRIuMAX, fmt) || !strcmp("%"PRIxMAX, fmt)) {
+		uintmax_t sz1 = va_arg(args, uintmax_t), sz2 = va_arg(args, uintmax_t);
 		is_equal = (sz1 == sz2);
 		if (!is_equal) {
 			int offset = p_snprintf(buf, sizeof(buf), fmt, sz1);

clar/print.h

@@ -21,7 +21,7 @@ static void clar_print_clap_error(int num, const struct clar_report *report, con
 {
 	printf("  %d) Failure:\n", num);
 
-	printf("%s::%s [%s:%"PRIuZ"]\n",
+	printf("%s::%s [%s:%"PRIuMAX"]\n",
 		report->suite,
 		report->test,
 		error->file,
@@ -136,7 +136,7 @@ static void clar_print_tap_ontest(const char *suite_name, const char *test_name,
 
 		printf("    at:\n");
 		printf("      file: '"); print_escaped(error->file); printf("'\n");
-		printf("      line: %" PRIuZ "\n", error->line_number);
+		printf("      line: %" PRIuMAX "\n", error->line_number);
 		printf("      function: '%s'\n", error->function);
 		printf("    ---\n");
 

test/CMakeLists.txt

@@ -0,0 +1,41 @@
+find_package(Python COMPONENTS Interpreter REQUIRED)
+
+add_custom_command(OUTPUT "${CMAKE_CURRENT_BINARY_DIR}/clar.suite"
+	COMMAND "${Python_EXECUTABLE}" "${CMAKE_SOURCE_DIR}/generate.py" --output "${CMAKE_CURRENT_BINARY_DIR}"
+	DEPENDS main.c sample.c clar_test.h
+	WORKING_DIRECTORY "${CMAKE_CURRENT_SOURCE_DIR}"
+)
+
+add_executable(clar_test)
+set_target_properties(clar_test PROPERTIES
+	C_STANDARD 90
+	C_STANDARD_REQUIRED ON
+	C_EXTENSIONS OFF
+)
+
+# MSVC generates all kinds of warnings. We may want to fix these in the future
+# and then unconditionally treat warnings as errors.
+if(NOT MSVC)
+	set_target_properties(clar_test PROPERTIES
+		COMPILE_WARNING_AS_ERROR ON
+	)
+endif()
+
+target_sources(clar_test PRIVATE
+	main.c
+	sample.c
+	"${CMAKE_CURRENT_BINARY_DIR}/clar.suite"
+)
+target_compile_definitions(clar_test PRIVATE
+	CLAR_FIXTURE_PATH="${CMAKE_CURRENT_SOURCE_DIR}/resources/"
+	_DARWIN_C_SOURCE
+	_POSIX_C_SOURCE=200809L
+)
+target_compile_options(clar_test PRIVATE
+	$<IF:$<CXX_COMPILER_ID:MSVC>,/W4,-Wall>
+)
+target_include_directories(clar_test PRIVATE
+	"${CMAKE_SOURCE_DIR}"
+	"${CMAKE_CURRENT_BINARY_DIR}"
+)
+target_link_libraries(clar_test clar)