Some fixes and add wide-character string duplication functions

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

1 files changed, 31 insertions, 0 deletions

diff --git a/wmemdup.c b/wmemdup.c
new file mode 100644
index 0000000..239ae7d
--- /dev/null
+++ b/wmemdup.c
@@ -0,0 +1,31 @@
+/* See LICENSE file for copyright and license details. */
+#include "libsimple.h"
+#ifndef TEST
+
+
+wchar_t *
+libsimple_wmemdup(const wchar_t *s, size_t n) /* TODO test */
+{
+	wchar_t *ret;
+	size_t size;
+	if (LIBSIMPLE_UMUL_OVERFLOW_NONZERO(n + !n, sizeof(wchar_t), &size, SIZE_MAX)) {
+		errno = ENOMEM;
+		return NULL;
+	}
+	ret = aligned_alloc(_Alignof(wchar_t), size);
+	if (!ret)
+		return NULL;
+	return wmemcpy(ret, s, n);
+}
+
+
+#else
+#include "test.h"
+
+int
+main(void)
+{
+	return 0;
+}
+
+#endif