Merge branch 'develop'

.github/FUNDING.yml

@@ -0,0 +1,3 @@
+# These are supported funding model platforms
+
+custom: ['paypal.me/tilz0R']

CHANGELOG.md

@@ -0,0 +1,35 @@
+# Changelog
+
+## Develop
+
+## v1.5.0
+
+- Add option to cleanup memory on free and realloc operations
+
+## v1.4.0
+
+- New artistic code style
+- Replace configuration
+- Several bug fixes
+
+## v1.3.0
+
+- Added option for custom LwMEM instance for complete isolation
+- Added `_ex` functions for extended features for custom instances
+- Added macros for backward-compatible, default instance, allocation functions
+- Added option to force LwMEM to allocate memory at specific region
+- Added win32 examples
+
+## v1.2.0
+
+- Fix comments to easily undestand architecture
+- Migrate examples to CMSIS-OS v2
+- Use pre-increment instead of post-increment
+- Other C code style fixes
+
+## v1.1.0
+
+- Added support for thread-safety application
+- Added boundary check of all internal pointers
+- Added tests code directly in library
+- Bug fixes

dev/VisualStudio/lwmem_opts.h

@@ -29,7 +29,7 @@
  * This file is part of Lightweight dynamic memory manager library.
  *
  * Author:          Tilen MAJERLE <[email protected]>
- * Version:         v1.4.0
+ * Version:         v1.5.0
  */
 #ifndef LWMEM_HDR_OPTS_H
 #define LWMEM_HDR_OPTS_H
@@ -42,7 +42,9 @@
  * Open "include/lwmem/lwmem_opt.h" and
  * copy & replace here settings you want to change values
  */
-#define LWMEM_CFG_OS                    1
-#define LWMEM_CFG_OS_MUTEX_HANDLE       HANDLE
+#define LWMEM_CFG_OS                            1
+#define LWMEM_CFG_OS_MUTEX_HANDLE               HANDLE
+#define LWMEM_CFG_ENABLE_STATS                  0
+#define LWMEM_CFG_CLEAN_MEMORY                  1
 
-#endif /* OW_HDR_OPTS_H */
+#endif /* LWMEM_HDR_OPTS_H */

docs/conf.py

@@ -26,27 +26,32 @@
 copyright = '2020, Tilen MAJERLE'
 author = 'Tilen MAJERLE'
 
-# The full version, including alpha/beta/rc tags
-version = '1.4.0'
-
 # Try to get branch at which this is running
 # and try to determine which version to display in sphinx
+# Version is using git tag if on master or "latest-develop" if on develop branch
+version = ''
 git_branch = ''
+
+# Get current branch
 res = os.popen('git branch').read().strip()
 for line in res.split("\n"):
     if line[0] == '*':
         git_branch = line[1:].strip()
 
 # Decision for display version
-try:
-    if git_branch.index('develop') >= 0:
-        version = "latest-develop"
-except Exception:
-    print("Exception for index check")
-
-# For debugging purpose
+git_branch = git_branch.replace('(HEAD detached at ', '').replace(')', '')
+if git_branch.find('master') >= 0 or git_branch.find('main') >= 0:
+    version = os.popen('git describe --tags --abbrev=0').read().strip()
+    if version == '':
+        version = 'v0.0.0'
+elif git_branch.find('develop') != -1 and not (git_branch.find('develop-') >= 0 or git_branch.find('develop/') >= 0):
+    version = 'latest-develop'
+else:
+    version = 'branch-' + git_branch
+
+# For debugging purpose only
 print("GIT BRANCH: " + git_branch)
-print("VERSION: " + version)
+print("GIT VERSION: " + version)
 
 # -- General configuration ---------------------------------------------------
 
@@ -123,7 +128,7 @@
 #
 #
 breathe_projects = {
-	"lwmem": "_build/xml/"
+    "lwmem": "_build/xml/"
 }
 breathe_default_project = "lwmem"
 breathe_default_members = ('members', 'undoc-members')

docs/index.rst

@@ -5,10 +5,13 @@ Welcome to the documentation for version |version|.
 
 LwMEM is lightweight dynamic memory manager optimized for embedded systems.
 
+.. image:: static/images/logo.svg
+    :align: center
+
 .. rst-class:: center
 .. rst-class:: index_links
 
-	:ref:`download_library` :ref:`getting_started` `Open Github <https://github.com/MaJerle/lwmem>`_
+	:ref:`download_library` :ref:`getting_started` `Open Github <https://github.com/MaJerle/lwmem>`_ `Donate <https://paypal.me/tilz0R>`_
 
 Features
 ^^^^^^^^

docs/requirements.txt

@@ -1,7 +1,7 @@
 breathe>=4.9.1
 colorama
-docutils>=0.14
-sphinx>=2.0.1
+docutils==0.16
+sphinx>=3.5.1
 sphinx_rtd_theme
 sphinx-tabs
 sphinxcontrib-svg2pdfconverter

docs/static/images/logo.drawio

@@ -0,0 +1 @@
+<mxfile host="Electron" modified="2020-12-05T00:19:20.329Z" agent="Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) draw.io/12.3.2 Chrome/78.0.3904.113 Electron/7.1.2 Safari/537.36" etag="V0MvXZe_QYE6MFCmOuaH" version="12.3.2" type="device" pages="1"><diagram id="Wsjaadh77UIxB9X1bxos" name="Page-1">jZLLbsMgEEW/xstItkmiZNs0TaUm2WSRNTITgwoei+Di9OuL68EPRZW6gjnzAO4lYTvTHiyv5QkF6CRPRZuw1yTPs3SzCUtHHj3ZrgmUVgkqGsFFfUPsJNooAfdZoUPUTtVzWGBVQeFmjFuLfl52Qz0/teYlPIFLwfUzvSrhZE83q3Tk76BKGU/OUsoYHosJ3CUX6CeI7RO2s4iu35l2B7oTL+rS9739kR0uZqFy/2k4L8QStsYfz6Z5WW4/bvqaLWjKF9cNPfjoT/sT3dg9ogwWm0pANylL2IuXysGl5kWX9cH4wKQzmtJ3Z/FzkGsdyA0rR96yLh60SEPw/JB4K7AO2gmihx0ADTj7CCWUZctV30K/LI+xHz3L1mSEnPgVfeT0Tcph9Khk2JCYMRxN+81Nvj7b/wA=</diagram></mxfile>

examples/stm32/lwmem_rtos_stm32l496_discovery/inc/lwmem_opts.h

@@ -29,7 +29,7 @@
  * This file is part of LwMEM - Lightweight dynamic memory manager library.
  *
  * Author:          Tilen MAJERLE <[email protected]>
- * Version:         v1.4.0
+ * Version:         v1.5.0
  */
 #ifndef LWMEM_HDR_OPTS_H
 #define LWMEM_HDR_OPTS_H

examples/stm32/lwmem_rtos_stm32l496_discovery/inc/main.h

@@ -27,7 +27,7 @@
  * OTHER DEALINGS IN THE SOFTWARE.
  *
  * Author:          Tilen MAJERLE <[email protected]>
- * Version:         v1.4.0
+ * Version:         v1.5.0
  */
 #ifndef __MAIN_H
 #define __MAIN_H

examples/stm32/lwmem_rtos_stm32l496_discovery/src/main.c

@@ -27,7 +27,7 @@
  * OTHER DEALINGS IN THE SOFTWARE.
  *
  * Author:          Tilen MAJERLE <[email protected]>
- * Version:         v1.4.0
+ * Version:         v1.5.0
  */
 #include "main.h"
 #include "cmsis_os.h"

examples/stm32/lwmem_stm32l496_discovery/inc/lwmem_opts.h

@@ -29,7 +29,7 @@
  * This file is part of LwMEM - Lightweight dynamic memory manager library.
  *
  * Author:          Tilen MAJERLE <[email protected]>
- * Version:         v1.4.0
+ * Version:         v1.5.0
  */
 #ifndef LWMEM_HDR_OPTS_H
 #define LWMEM_HDR_OPTS_H

examples/stm32/lwmem_stm32l496_discovery/inc/main.h

@@ -27,7 +27,7 @@
  * OTHER DEALINGS IN THE SOFTWARE.
  *
  * Author:          Tilen MAJERLE <[email protected]>
- * Version:         v1.4.0
+ * Version:         v1.5.0
  */
 #ifndef __MAIN_H
 #define __MAIN_H

examples/stm32/lwmem_stm32l496_discovery/src/main.c

@@ -27,7 +27,7 @@
  * OTHER DEALINGS IN THE SOFTWARE.
  *
  * Author:          Tilen MAJERLE <[email protected]>
- * Version:         v1.4.0
+ * Version:         v1.5.0
  */
 #include "main.h"
 #include "lwmem/lwmem.h"

examples/win32/lwmem/lwmem_opts.h

@@ -29,7 +29,7 @@
  * This file is part of LwMEM - Lightweight dynamic memory manager library.
  *
  * Author:          Tilen MAJERLE <[email protected]>
- * Version:         v1.4.0
+ * Version:         v1.5.0
  */
 #ifndef LWMEM_HDR_OPTS_H
 #define LWMEM_HDR_OPTS_H

examples/win32/lwmem_multi_ins_multi_region/lwmem_opts.h

@@ -29,7 +29,7 @@
  * This file is part of LwMEM - Lightweight dynamic memory manager library.
  *
  * Author:          Tilen MAJERLE <[email protected]>
- * Version:         v1.4.0
+ * Version:         v1.5.0
  */
 #ifndef LWMEM_HDR_OPTS_H
 #define LWMEM_HDR_OPTS_H

examples/win32/lwmem_multi_region/lwmem_opts.h

@@ -29,7 +29,7 @@
  * This file is part of LwMEM - Lightweight dynamic memory manager library.
  *
  * Author:          Tilen MAJERLE <[email protected]>
- * Version:         v1.4.0
+ * Version:         v1.5.0
  */
 #ifndef LWMEM_HDR_OPTS_H
 #define LWMEM_HDR_OPTS_H

examples/win32/lwmem_os/lwmem_opts.h

@@ -29,7 +29,7 @@
  * This file is part of LwMEM - Lightweight dynamic memory manager library.
  *
  * Author:          Tilen MAJERLE <[email protected]>
- * Version:         v1.4.0
+ * Version:         v1.5.0
  */
 #ifndef LWMEM_HDR_OPTS_H
 #define LWMEM_HDR_OPTS_H

lwmem/src/include/lwmem/lwmem.h

@@ -29,12 +29,11 @@
  * This file is part of LwMEM - Lightweight dynamic memory manager library.
  *
  * Author:          Tilen MAJERLE <[email protected]>
- * Version:         v1.4.0
+ * Version:         v1.5.0
  */
 #ifndef LWMEM_HDR_H
 #define LWMEM_HDR_H
 
-#include <string.h>
 #include <stdint.h>
 #include <limits.h>
 #include "lwmem/lwmem_opt.h"
@@ -67,6 +66,14 @@ typedef struct lwmem_block {
                                                         or `0` when block is considered free */
 } lwmem_block_t;
 
+/**
+ * \brief           Statistics structure
+ */
+typedef struct {
+    uint32_t nr_alloc;                          /*!< Number of all allocated blocks in single instance  */
+    uint32_t nr_free;                           /*!< Number of frees in the LwMEM instance */
+} lwmem_stats_t;
+
 /**
  * \brief           LwMEM main structure
  */
@@ -78,6 +85,9 @@ typedef struct lwmem {
 #if LWMEM_CFG_OS || __DOXYGEN__
     LWMEM_CFG_OS_MUTEX_HANDLE mutex;            /*!< System mutex for OS */
 #endif /* LWMEM_CFG_OS || __DOXYGEN__ */
+#if LWMEM_CFG_ENABLE_STATS || __DOXYGEN__
+    lwmem_stats_t stats;                        /*!< Statistics */
+#endif /* LWMEM_CFG_ENABLE_STATS || __DOXYGEN__ */
 #if defined(LWMEM_DEV) && !__DOXYGEN__
     lwmem_block_t start_block_first_use;        /*!< Value of start block for very first time.
                                                     This is used only during validation process and is removed in final use */

lwmem/src/include/lwmem/lwmem_opt.h

@@ -29,11 +29,14 @@
  * This file is part of LwMEM - Lightweight dynamic memory manager library.
  *
  * Author:          Tilen MAJERLE <[email protected]>
- * Version:         v1.4.0
+ * Version:         v1.5.0
  */
 #ifndef LWMEM_HDR_OPT_H
 #define LWMEM_HDR_OPT_H
 
+/* Uncomment to ignore user options (or set macro in compiler flags) */
+/* #define LWMEM_IGNORE_USER_OPTS */
+
 /* Include application options */
 #ifndef LWMEM_IGNORE_USER_OPTS
 #include "lwmem_opts.h"
@@ -82,6 +85,24 @@ extern "C" {
 #define LWMEM_CFG_ALIGN_NUM                     ((size_t)4)
 #endif
 
+/**
+ * \brief           Enables `1` or disables `0` memory cleanup on free operation (or realloc).
+ *
+ * It resets unused memory to `0x00` and prevents other applications seeing old data.
+ * It is disabled by default since it has performance penalties.
+ * /
+#ifndef LWMEM_CFG_CLEAN_MEMORY
+#define LWMEM_CFG_CLEAN_MEMORY                  0
+#endif
+
+/**
+ * \brief           Enables `1` or disables `0` statistics in the library
+ *
+ */
+#ifndef LWMEM_CFG_ENABLE_STATS
+#define LWMEM_CFG_ENABLE_STATS                  0
+#endif
+
 /**
  * \}
  */

lwmem/src/include/lwmem/lwmem_opts_template.h

@@ -29,7 +29,7 @@
  * This file is part of LwMEM - Lightweight dynamic memory manager library.
  *
  * Author:          Tilen MAJERLE <[email protected]>
- * Version:         v1.4.0
+ * Version:         v1.5.0
  */
 #ifndef LWMEM_HDR_OPTS_H
 #define LWMEM_HDR_OPTS_H

lwmem/src/include/system/lwmem_sys.h

@@ -29,7 +29,7 @@
  * This file is part of LwMEM - Lightweight dynamic memory manager library.
  *
  * Author:          Tilen MAJERLE <[email protected]>
- * Version:         v1.4.0
+ * Version:         v1.5.0
  */
 #ifndef LWMEM_HDR_SYS_H
 #define LWMEM_HDR_SYS_H