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Add configuration option UNITY_EXCLUDE_STDLIB_MALLOC to Fixture

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This feature removes the dependency on malloc/free for constrained
  embedded systems without a heap. It uses a static heap inside
  Unity Fixture. Setting UNITY_INTERNAL_HEAP_SIZE_BYTES sizes the heap.
 Add tests for new option, add targets to makefile for running tests.
 UNITY_FIXTURE_MALLOC for Fixture use only, remove from unity_output_Spy.c.
This commit is contained in:
jsalling
2016-02-01 23:54:06 -06:00
parent ccb29e80c2
commit 955b221218
7 changed files with 139 additions and 15 deletions
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12
extras/fixture/src/unity_fixture_malloc_overrides.h
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@@ -10,11 +10,21 @@
#include <stddef.h>
#ifdef UNITY_EXCLUDE_STDLIB_MALLOC
// Define this macro to remove the use of stdlib.h, malloc, and free.
// Many embedded systems do not have a heap or malloc/free by default.
// This internal unity_malloc() provides allocated memory deterministically from
// the end of an array only, unity_free() only releases from end-of-array,
// blocks are not coalesced, and memory not freed in LIFO order is stranded.
#ifndef UNITY_INTERNAL_HEAP_SIZE_BYTES
#define UNITY_INTERNAL_HEAP_SIZE_BYTES 256
#endif
#endif
// These functions are used by the Unity Fixture to allocate and release memory
// on the heap and can be overridden with platform-specific implementations.
// For example, when using FreeRTOS UNITY_FIXTURE_MALLOC becomes pvPortMalloc()
// and UNITY_FIXTURE_FREE becomes vPortFree().
#if !defined(UNITY_FIXTURE_MALLOC) || !defined(UNITY_FIXTURE_FREE)
#define UNITY_FIXTURE_MALLOC(size) malloc(size)
#define UNITY_FIXTURE_FREE(ptr) free(ptr)