zcbor_common.h: Add ZCBOR_VERSION macro

include/zcbor_common.h

@@ -17,6 +17,24 @@
 extern "C" {
 #endif
 
+#ifndef STRINGIFY
+#define STRINGIFY(x) #x
+#endif
+
+#define ZCBOR_VERSION_MAJOR 0
+#define ZCBOR_VERSION_MINOR 8
+#define ZCBOR_VERSION_BUGFIX 99
+
+/** The version string with dots and not prefix. */
+#define ZCBOR_VERSION_STR   STRINGIFY(ZCBOR_VERSION_MAJOR) \
+			"." STRINGIFY(ZCBOR_VERSION_MINOR) \
+			"." STRINGIFY(ZCBOR_VERSION_BUGFIX)
+
+/** Monotonically increasing integer representing the version. */
+#define ZCBOR_VERSION    ((ZCBOR_VERSION_MAJOR << 24) \
+			+ (ZCBOR_VERSION_MINOR << 16) \
+			+ (ZCBOR_VERSION_BUGFIX << 8))
+
 /** Convenience type that allows pointing to strings directly inside the payload
  *  without the need to copy out.
  */

tests/unit/test1_unit_tests/CMakeLists.txt

@@ -21,6 +21,19 @@ target_include_directories(zcbor PRIVATE ../../../include)
 
 target_link_libraries(app PRIVATE zcbor)
 
-zephyr_compile_definitions(ZCBOR_STOP_ON_ERROR)
-
 target_compile_options(zcbor PRIVATE -Wpedantic -Wconversion -Wall -Wextra -Wdouble-promotion)
+
+file(READ ${CMAKE_CURRENT_LIST_DIR}/../../../zcbor/VERSION ZCBOR_VERSION_STR)
+string(REPLACE "." ";" ZCBOR_VERSION_SPLIT ${ZCBOR_VERSION_STR})
+list(GET ZCBOR_VERSION_SPLIT 0 ZCBOR_VERSION_MAJOR)
+list(GET ZCBOR_VERSION_SPLIT 1 ZCBOR_VERSION_MINOR)
+list(GET ZCBOR_VERSION_SPLIT 2 ZCBOR_VERSION_BUGFIX)
+math(EXPR ZCBOR_VERSION "(${ZCBOR_VERSION_MAJOR} << 24) + (${ZCBOR_VERSION_MINOR} << 16) + (${ZCBOR_VERSION_BUGFIX} << 8)")
+
+zephyr_compile_definitions(
+  ZCBOR_STOP_ON_ERROR
+  TEST_ZCBOR_VERSION_STR="${ZCBOR_VERSION_STR}"
+  TEST_ZCBOR_VERSION=${ZCBOR_VERSION}
+  TEST_ZCBOR_VERSION_MAJOR=${ZCBOR_VERSION_MAJOR}
+  TEST_ZCBOR_VERSION_MINOR=${ZCBOR_VERSION_MINOR}
+  TEST_ZCBOR_VERSION_BUGFIX=${ZCBOR_VERSION_BUGFIX})

tests/unit/test1_unit_tests/src/main.c

@@ -1420,4 +1420,18 @@ ZTEST(zcbor_unit_tests, test_canonical_check)
 }
 
 
+ZTEST(zcbor_unit_tests, test_zcbor_version)
+{
+	const char zcbor_version_str[] = ZCBOR_VERSION_STR;
+	const char zcbor_version_expected[] = TEST_ZCBOR_VERSION_STR;
+
+
+	zassert_mem_equal(zcbor_version_expected, zcbor_version_str, sizeof(zcbor_version_expected));
+	zassert_equal(TEST_ZCBOR_VERSION, ZCBOR_VERSION, NULL);
+	zassert_equal(TEST_ZCBOR_VERSION_MAJOR, ZCBOR_VERSION_MAJOR, NULL);
+	zassert_equal(TEST_ZCBOR_VERSION_MINOR, ZCBOR_VERSION_MINOR, NULL);
+	zassert_equal(TEST_ZCBOR_VERSION_BUGFIX, ZCBOR_VERSION_BUGFIX, NULL);
+}
+
+
 ZTEST_SUITE(zcbor_unit_tests, NULL, NULL, NULL, NULL, NULL);