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Merge branch 'fix/heap-get-allocated-size' into 'master'
heap: Fix erroneous value returned by heap_caps_get_allocated_size() when poisoning is enabled Closes IDF-3917 See merge request espressif/esp-idf!22176
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cba1095508
@ -383,6 +383,7 @@ size_t multi_heap_get_allocated_size(multi_heap_handle_t heap, void *p)
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poison_head_t *head = verify_allocated_region(p, true);
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assert(head != NULL);
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size_t result = multi_heap_get_allocated_size_impl(heap, head);
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subtract_poison_overhead(&result);
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return result;
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}
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@ -1,5 +1,5 @@
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/*
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* SPDX-FileCopyrightText: 2022 Espressif Systems (Shanghai) CO LTD
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* SPDX-FileCopyrightText: 2022-2023 Espressif Systems (Shanghai) CO LTD
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*
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* SPDX-License-Identifier: Unlicense OR CC0-1.0
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*/
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@ -23,7 +23,6 @@
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static int **allocatedMem;
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static int noAllocated;
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static int tryAllocMem(void) {
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int i, j;
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const int allocateMaxK=1024*5; //try to allocate a max of 5MiB
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@ -159,3 +158,25 @@ TEST_CASE("malloc/calloc(0) should not call failure callback", "[heap]")
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TEST_ASSERT_NULL(ptr);
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TEST_ASSERT_FALSE(failure_occured);
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}
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TEST_CASE("test get allocated size", "[heap]")
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{
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const size_t iterations = 32;
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for (size_t i = 0; i < iterations; i++) {
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// minimum block size is 12, so to avoid unecessary logic in the test,
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// set the minimum requested size to 12.
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const size_t alloc_size = rand() % 1024 + 12;
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void *ptr = heap_caps_malloc(alloc_size, MALLOC_CAP_DEFAULT);
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TEST_ASSERT_NOT_NULL(ptr);
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// test that the heap_caps_get_allocated_size() returns the right number of bytes (aligned to 4 bytes
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// since the heap component aligns to 4 bytes)
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const size_t aligned_size = (alloc_size + 3) & ~3;
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printf("initial size: %d, requested size : %d, allocated size: %d\n", alloc_size, aligned_size, heap_caps_get_allocated_size(ptr));
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TEST_ASSERT_EQUAL(aligned_size, heap_caps_get_allocated_size(ptr));
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heap_caps_free(ptr);
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}
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}
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