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-rw-r--r--posix_memalignz.c56
1 files changed, 56 insertions, 0 deletions
diff --git a/posix_memalignz.c b/posix_memalignz.c
new file mode 100644
index 0000000..7c32bdd
--- /dev/null
+++ b/posix_memalignz.c
@@ -0,0 +1,56 @@
+/* See LICENSE file for copyright and license details. */
+#include "common.h"
+#ifndef TEST
+
+
+extern inline int libsimple_posix_memalignz(void **, int, size_t, size_t);
+
+
+#else
+#include "test.h"
+
+int
+main(void)
+{
+ struct allocinfo *volatile info;
+ void *ptr;
+ DEFINE_CACHELINE;
+
+ assert(!libsimple_posix_memalignz(&ptr, 0, 8 * sizeof(void *), 8));
+ assert(ptr);
+ if (have_custom_malloc()) {
+ assert((info = get_allocinfo(ptr)));
+ assert(info->size == 8);
+ ASSERT_ALIGNMENT(info, 8 * sizeof(void *));
+ assert(!info->zeroed);
+ assert(!((uintptr_t)ptr % (uintptr_t)info->alignment));
+ }
+ free(ptr);
+ ptr = NULL;
+
+ assert(!libsimple_posix_memalignz(&ptr, 1, 4 * sizeof(void *), 16));
+ assert(ptr);
+ if (have_custom_malloc()) {
+ assert((info = get_allocinfo(ptr)));
+ assert(info->size == 16);
+ ASSERT_ALIGNMENT(info, 4 * sizeof(void *));
+ assert(info->zeroed == 16);
+ assert(!((uintptr_t)ptr % (uintptr_t)info->alignment));
+ }
+ free(ptr);
+ ptr = NULL;
+
+ if (have_custom_malloc()) {
+ alloc_fail_in = 1;
+ assert(libsimple_posix_memalignz(&ptr, 0, 4 * sizeof(void *), 8) == ENOMEM && !errno);
+ assert(!alloc_fail_in);
+
+ alloc_fail_in = 1;
+ assert(libsimple_posix_memalignz(&ptr, 1, 16 * sizeof(void *), 16) == ENOMEM && !errno);
+ assert(!alloc_fail_in);
+ }
+
+ return 0;
+}
+
+#endif