safestringlib: add version to the library.

The library exports macros
SAFEC_VERSION and SAFEC_VERSION_STRING macros.
The shared library is versioned too.

Signed-off-by: Tomas Winkler <[email protected]>

CMakeLists.txt

@@ -1,6 +1,8 @@
 cmake_minimum_required(VERSION 3.1)
 project(safestring)
 
+include(version.cmake)
+
 option(BUILD_UNITTESTS "Build also project unit-tests" OFF)
 
 if (NOT DEFINED BUILD_OPT_DEFAULT)
@@ -183,6 +185,9 @@ add_library(${PROJECT_NAME}_static STATIC $<TARGET_OBJECTS:${PROJECT_NAME}_objli
 target_include_directories(${PROJECT_NAME}_shared PUBLIC include)
 target_include_directories(${PROJECT_NAME}_static PUBLIC include)
 
+set_target_properties(${PROJECT_NAME}_shared PROPERTIES VERSION ${SAFEC_VERSION_STRING})
+set_target_properties(${PROJECT_NAME}_static PROPERTIES VERSION ${SAFEC_VERSION_STRING})
+
 if(BUILD_UNITTESTS)
   add_subdirectory(unittests)
 endif()

include/safe_lib.h

@@ -5,6 +5,7 @@
  * Modified 2012, Jonathan Toppins <[email protected]>
  *
  * Copyright (c) 2008-2013 by Cisco Systems, Inc
+ * Copyright (c) 2021 by Intel Corp
  * All rights reserved.
  *
  * Permission is hereby granted, free of charge, to any person
@@ -37,6 +38,18 @@
 extern "C" {
 #endif
 
+/* Define safe_lib version number */
+#define SAFEC_VERSION_MAJOR 1
+#define SAFEC_VERSION_MINOR 1
+#define SAFEC_VERSION_PATCH 0
+#define SAFEC_VERSION_STRING "1.1.0"
+
+#define SAFEC_VERSION_NUM(a,b,c) (((a) << 16L) | ((b) << 8) | (c))
+#define SAFEC_VERSION \
+  SAFEC_VERSION_NUM(SAFEC_VERSION_MAJOR, \
+                    SAFEC_VERSION_MINOR, \
+                    SAFEC_VERSION_PATCH)
+
 #include "safe_types.h"
 #include "safe_lib_errno.h"
 

version.cmake

@@ -0,0 +1,16 @@
+# SPDX-License-Identifier: MIT
+# Copyright (C) 2021 Intel Corporation
+
+file(READ "include/safe_lib.h" VER_FILE)
+
+string(REGEX MATCH "SAFEC_VERSION_MAJOR ([0-9]*)" _ ${VER_FILE})
+set(SAFEC_VERSION_MAJOR ${CMAKE_MATCH_1})
+
+string(REGEX MATCH "SAFEC_VERSION_MINOR ([0-9]*)" _ ${VER_FILE})
+set(SAFEC_VERSION_MINOR ${CMAKE_MATCH_1})
+
+string(REGEX MATCH "SAFEC_VERSION_PATCH ([0-9]*)" _ ${VER_FILE})
+set(SAFEC_VERSION_PATCH ${CMAKE_MATCH_1})
+
+set(SAFEC_VERSION_STRING
+    ${SAFEC_VERSION_MAJOR}.${SAFEC_VERSION_MINOR}.${SAFEC_VERSION_PATCH})