1 files changed, 105 insertions, 0 deletions
diff --git a/enaligned_realloc.c b/enaligned_realloc.c
new file mode 100644
index 0000000..6d5ac4e
--- /dev/null
+++ b/enaligned_realloc.c
@@ -0,0 +1,105 @@
+/* See LICENSE file for copyright and license details. */
+#include "libsimple.h"
+#ifndef TEST
+
+
+void *
+libsimple_enaligned_realloc(int status, void *ptr, size_t alignment, size_t n)
+{
+	void *ret = aligned_realloc(ptr, alignment, n);
+	if (!ret)
+		enprintf(status, "aligned_realloc:");
+	return ret;
+}
+
+
+#else
+#include "test.h"
+
+int
+main(void)
+{
+#ifdef LIBSIMPLE_HAVE_ALIGNED_REALLOC
+
+	struct allocinfo *info;
+	void *ptr, *old;
+	DEFINE_CACHELINE;
+
+	assert((ptr = libsimple_enaligned_realloc(1, NULL, 16, 5)));
+	if (have_custom_malloc()) {
+		assert((info = get_allocinfo(ptr)));
+		assert(info->size == 5 || info->size == info->alignment);
+		assert(!info->zeroed);
+		ASSERT_ALIGNMENT(info, 16);
+		info->refcount += 1;
+	}
+	stpcpy(ptr, "test");
+	assert((ptr = libsimple_enaligned_realloc(1, old = ptr, 32, 10)));
+	assert(!strcmp(ptr, "test"));
+	if (have_custom_malloc()) {
+		assert((info = get_allocinfo(ptr)));
+		assert(info->size == 10 || info->size == info->alignment);
+		assert(!info->zeroed);
+		ASSERT_ALIGNMENT(info, 32);
+		assert(ptr != old);
+		free(old);
+	}
+	free(ptr);
+
+	assert((ptr = libsimple_ealigned_realloc(NULL, 8, 5)));
+	if (have_custom_malloc()) {
+		assert((info = get_allocinfo(ptr)));
+		assert(info->size == 5 || info->size == info->alignment);
+		assert(!info->zeroed);
+		ASSERT_ALIGNMENT(info, 8);
+		info->refcount += 1;
+	}
+	stpcpy(ptr, "test");
+	assert((ptr = libsimple_ealigned_realloc(old = ptr, 64, 10)));
+	assert(!strcmp(ptr, "test"));
+	if (have_custom_malloc()) {
+		assert((info = get_allocinfo(ptr)));
+		assert(info->size == 10 || info->size == info->alignment);
+		assert(!info->zeroed);
+		ASSERT_ALIGNMENT(info, 64);
+		assert(ptr != old);
+		free(old);
+	}
+	free(ptr);
+
+	if (have_custom_malloc()) {
+		alloc_fail_in = 1;
+		assert_exit_ptr(libsimple_enaligned_realloc(2, NULL, 8, 1));
+		assert(exit_status == 2);
+		assert_stderr("%s: aligned_realloc: %s\n", argv0, strerror(ENOMEM));
+		assert(!alloc_fail_in);
+
+		libsimple_default_failure_exit = 104;
+		alloc_fail_in = 1;
+		assert_exit_ptr(libsimple_ealigned_realloc(NULL, 16, 1));
+		assert(exit_status == 104);
+		assert_stderr("%s: aligned_realloc: %s\n", argv0, strerror(ENOMEM));
+		assert(!alloc_fail_in);
+		libsimple_default_failure_exit = 1;
+	}
+
+#else
+
+	assert_exit_ptr(libsimple_enaligned_realloc(2, NULL, 8, 1));
+	assert(exit_status == 2);
+	assert_stderr("%s: aligned_realloc: %s\n", argv0, strerror(ENOSYS));
+
+	libsimple_default_failure_exit = 104;
+	alloc_fail_in = 1;
+	assert_exit_ptr(libsimple_ealigned_realloc(NULL, 16, 1));
+	assert(exit_status == 104);
+	assert_stderr("%s: aligned_realloc: %s\n", argv0, strerror(ENOSYS));
+	assert(!alloc_fail_in);
+	libsimple_default_failure_exit = 1;
+
+#endif
+
+	return 0;
+}
+
+#endif