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author | Sebastian Huber <sebastian.huber@embedded-brains.de> | 2019-01-31 14:45:31 +0100 |
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committer | Sebastian Huber <sebastian.huber@embedded-brains.de> | 2019-03-27 07:15:55 +0100 |
commit | cfcc2cbf7aa4e6aeb6dca83d57cf2dae610d4d65 (patch) | |
tree | 7fd0d789fa32b56d2340c97544c77cf0f4cbfd0c /cpukit/libtest/t-test-malloc.c | |
parent | build: Move test support to librtemstest.a (diff) | |
download | rtems-cfcc2cbf7aa4e6aeb6dca83d57cf2dae610d4d65.tar.bz2 |
Add RTEMS Test Framework
Update #3199.
Diffstat (limited to 'cpukit/libtest/t-test-malloc.c')
-rw-r--r-- | cpukit/libtest/t-test-malloc.c | 112 |
1 files changed, 112 insertions, 0 deletions
diff --git a/cpukit/libtest/t-test-malloc.c b/cpukit/libtest/t-test-malloc.c new file mode 100644 index 0000000000..83f32bebf5 --- /dev/null +++ b/cpukit/libtest/t-test-malloc.c @@ -0,0 +1,112 @@ +/* + * SPDX-License-Identifier: BSD-2-Clause + * + * Copyright (C) 2018 embedded brains GmbH + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE + * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF + * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN + * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. + */ + +#include <t.h> + +#include <stdlib.h> + +#ifdef __BIGGEST_ALIGNMENT__ +#define T_BIGGEST_ALIGNMENT __BIGGEST_ALIGNMENT__ +#else +#define T_BIGGEST_ALIGNMENT sizeof(long long) +#endif + +typedef struct __attribute__((__aligned__(T_BIGGEST_ALIGNMENT))) { + T_destructor base; + void (*destroy)(void *); +} T_malloc_destructor; + +static void +T_malloc_destroy(T_destructor *base) +{ + T_malloc_destructor *dtor; + + dtor = (T_malloc_destructor *)(uintptr_t)base; + + if (dtor->destroy != NULL) { + (*dtor->destroy)(dtor + 1); + } + + free(dtor); +} + +static void * +T_do_malloc(size_t size, void (*destroy)(void *)) +{ + T_malloc_destructor *dtor; + size_t new_size; + + new_size = sizeof(*dtor) + size; + if (new_size <= size) { + return NULL; + } + + dtor = malloc(new_size); + if (dtor != NULL) { + dtor->destroy = destroy; + T_add_destructor(&dtor->base, T_malloc_destroy); + ++dtor; + } + + return dtor; +} + +void * +T_malloc(size_t size) +{ + return T_do_malloc(size, NULL); +} + +void * +T_calloc(size_t nelem, size_t elsize) +{ + return T_zalloc(nelem * elsize, NULL); +} + +void * +T_zalloc(size_t size, void (*destroy)(void *)) +{ + void *p; + + p = T_do_malloc(size, destroy); + if (p != NULL) { + p = memset(p, 0, size); + } + + return p; +} + +void +T_free(void *ptr) +{ + T_malloc_destructor *dtor; + + dtor = ptr; + --dtor; + T_remove_destructor(&dtor->base); + free(dtor); +} |