1 files changed, 71 insertions, 0 deletions
diff --git a/enwcsdup.c b/enwcsdup.c
new file mode 100644
index 0000000..1fa27c0
--- /dev/null
+++ b/enwcsdup.c
@@ -0,0 +1,71 @@
+/* See LICENSE file for copyright and license details. */
+#include "libsimple.h"
+#ifndef TEST
+
+
+wchar_t *
+libsimple_enwcsdup(int status, const wchar_t *s)
+{
+	size_t n = wcslen(s) + 1, size;
+	wchar_t *ret;
+	if (LIBSIMPLE_UMUL_OVERFLOW_NONZERO(n, sizeof(wchar_t), &size, SIZE_MAX)) {
+		errno = ENOMEM;
+		enprintf(status, "wcsdup:");
+	}
+	ret = aligned_alloc(_Alignof(wchar_t), size);
+	if (!ret)
+		enprintf(status, "wcsdup:");
+	wmemcpy(ret, s, n);
+	return ret;
+}
+
+
+#else
+#include "test.h"
+
+int
+main(void)
+{
+	struct allocinfo *info;
+	wchar_t *s;
+
+	assert((s = libsimple_enwcsdup(1, L"hello")));
+	if (have_custom_malloc()) {
+		assert((info = get_allocinfo(s)));
+		assert(info->size == 6 * sizeof(wchar_t));
+		assert(info->alignment == _Alignof(wchar_t));
+		assert(!info->zeroed);
+	}
+	assert(!wcscmp(s, L"hello"));
+	free(s);
+
+	assert((s = libsimple_ewcsdup(L"test")));
+	if (have_custom_malloc()) {
+		assert((info = get_allocinfo(s)));
+		assert(info->size == 5 * sizeof(wchar_t));
+		assert(info->alignment == _Alignof(wchar_t));
+		assert(!info->zeroed);
+	}
+	assert(!wcscmp(s, L"test"));
+	free(s);
+
+	if (have_custom_malloc()) {
+		alloc_fail_in = 1;
+		assert_exit_ptr(libsimple_enwcsdup(18, L"hello"));
+		assert(exit_status == 18);
+		assert_stderr("%s: wcsdup: %s\n", argv0, strerror(ENOMEM));
+		assert(!alloc_fail_in);
+
+		libsimple_default_failure_exit = 5;
+		alloc_fail_in = 1;
+		assert_exit_ptr(libsimple_ewcsdup(L"test"));
+		assert(exit_status == 5);
+		assert_stderr("%s: wcsdup: %s\n", argv0, strerror(ENOMEM));
+		assert(!alloc_fail_in);
+		libsimple_default_failure_exit = 1;
+	}
+
+	return 0;
+}
+
+#endif