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-rw-r--r--enaligned_realloc.c105
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