misc

Signed-off-by: Mattias Andrée <maandree@kth.se>

1 files changed, 132 insertions, 0 deletions

diff --git a/enaligned_allocz.c b/enaligned_allocz.c
new file mode 100644
index 0000000..f92df4f
--- /dev/null
+++ b/enaligned_allocz.c
@@ -0,0 +1,132 @@
+/* See LICENSE file for copyright and license details. */
+#include "libsimple.h"
+#ifndef TEST
+
+
+void *
+libsimple_enaligned_allocz(int status, int clear, size_t alignment, size_t n)
+{
+	void *ret = libsimple_aligned_allocz(clear, alignment, n);
+	if (!ret)
+		enprintf(status, "aligned_alloc:");
+	return ret;
+}
+
+
+#else
+#include "test.h"
+
+int
+main(void)
+{
+	struct allocinfo *info;
+	void *ptr;
+
+	assert((ptr = libsimple_enaligned_allocz(1, 1, 8, 8)));
+	if (have_custom_malloc()) {
+		assert((info = get_allocinfo(ptr)));
+		assert(info->size == 8);
+		assert(info->alignment == 8);
+		assert(info->zeroed == 8);
+		assert(!((uintptr_t)ptr % (uintptr_t)(info->alignment)));
+	}
+	free(ptr);
+
+	assert((ptr = libsimple_ealigned_allocz(1, 4, 8)));
+	if (have_custom_malloc()) {
+		assert((info = get_allocinfo(ptr)));
+		assert(info->size == 8);
+		assert(info->alignment == 4);
+		assert(info->zeroed == 8);
+		assert(!((uintptr_t)ptr % (uintptr_t)(info->alignment)));
+	}
+	free(ptr);
+
+	assert((ptr = libsimple_enaligned_allocz(1, 0, 4, 8)));
+	if (have_custom_malloc()) {
+		assert((info = get_allocinfo(ptr)));
+		assert(info->size == 8);
+		assert(info->alignment == 4);
+		assert(!info->zeroed);
+		assert(!((uintptr_t)ptr % (uintptr_t)(info->alignment)));
+	}
+	free(ptr);
+
+	assert((ptr = libsimple_ealigned_allocz(0, 2, 4)));
+	if (have_custom_malloc()) {
+		assert((info = get_allocinfo(ptr)));
+		assert(info->size == 4);
+		assert(info->alignment == 2);
+		assert(!info->zeroed);
+		assert(!((uintptr_t)ptr % (uintptr_t)(info->alignment)));
+	}
+	free(ptr);
+
+	assert((ptr = libsimple_enaligned_alloc(1, 4, 8)));
+	if (have_custom_malloc()) {
+		assert((info = get_allocinfo(ptr)));
+		assert(info->size == 8);
+		assert(info->alignment == 4);
+		assert(!info->zeroed);
+		assert(!((uintptr_t)ptr % (uintptr_t)(info->alignment)));
+	}
+	free(ptr);
+
+	assert((ptr = libsimple_ealigned_alloc(2, 4)));
+	if (have_custom_malloc()) {
+		assert((info = get_allocinfo(ptr)));
+		assert(info->size == 4);
+		assert(info->alignment == 2);
+		assert(!info->zeroed);
+		assert(!((uintptr_t)ptr % (uintptr_t)(info->alignment)));
+	}
+	free(ptr);
+
+	if (have_custom_malloc()) {
+		alloc_fail_in = 1;
+		assert_exit_ptr(libsimple_enaligned_allocz(3, 1, 2, 4));
+		assert(exit_status == 3);
+		assert_stderr("%s: aligned_alloc: %s\n", argv0, strerror(ENOMEM));
+		assert(!alloc_fail_in);
+
+		libsimple_default_failure_exit = 102;
+		alloc_fail_in = 1;
+		assert_exit_ptr(libsimple_ealigned_allocz(1, 1, 4));
+		assert(exit_status == 102);
+		assert_stderr("%s: aligned_alloc: %s\n", argv0, strerror(ENOMEM));
+		assert(!alloc_fail_in);
+		libsimple_default_failure_exit = 1;
+
+		alloc_fail_in = 1;
+		assert_exit_ptr(libsimple_enaligned_allocz(5, 0, 2, 4));
+		assert(exit_status == 5);
+		assert_stderr("%s: aligned_alloc: %s\n", argv0, strerror(ENOMEM));
+		assert(!alloc_fail_in);
+
+		libsimple_default_failure_exit = 103;
+		alloc_fail_in = 1;
+		assert_exit_ptr(libsimple_ealigned_allocz(0, 1, 4));
+		assert(exit_status == 103);
+		assert_stderr("%s: aligned_alloc: %s\n", argv0, strerror(ENOMEM));
+		assert(!alloc_fail_in);
+		libsimple_default_failure_exit = 1;
+
+		alloc_fail_in = 1;
+		assert_exit_ptr(libsimple_enaligned_alloc(7, 2, 4));
+		assert(exit_status == 7);
+		assert_stderr("%s: aligned_alloc: %s\n", argv0, strerror(ENOMEM));
+		assert(!alloc_fail_in);
+
+		libsimple_default_failure_exit = 104;
+		alloc_fail_in = 1;
+		assert_exit_ptr(libsimple_ealigned_alloc(1, 4));
+		assert(exit_status == 104);
+		assert_stderr("%s: aligned_alloc: %s\n", argv0, strerror(ENOMEM));
+		assert(!alloc_fail_in);
+		libsimple_default_failure_exit = 1;
+	}
+
+	return 0;
+}
+
+#endif