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authorSebastian Huber <sebastian.huber@embedded-brains.de>2019-01-31 14:45:31 +0100
committerSebastian Huber <sebastian.huber@embedded-brains.de>2019-03-27 07:15:55 +0100
commitcfcc2cbf7aa4e6aeb6dca83d57cf2dae610d4d65 (patch)
tree7fd0d789fa32b56d2340c97544c77cf0f4cbfd0c /cpukit/libtest/t-test-malloc.c
parentbuild: Move test support to librtemstest.a (diff)
downloadrtems-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.c112
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
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+/*
+ * 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);
+}