add all missing wchar functions except floating point parsers

these are mostly untested and adapted directly from corresponding byte
string functions and similar.

1 files changed, 11 insertions, 0 deletions

diff --git a/src/string/wcsdup.c b/src/string/wcsdup.c
new file mode 100644
index 00000000..dd49c1b6
--- /dev/null
+++ b/src/string/wcsdup.c
@@ -0,0 +1,11 @@
+#include <stdlib.h>
+#include <wchar.h>
+#include "libc.h"
+
+wchar_t *wcsdup(const wchar_t *s)
+{
+	size_t l = wcslen(s);
+	wchar_t *d = malloc((l+1)*sizeof(wchar_t));
+	if (!d) return NULL;
+	return wmemcpy(d, s, l+1);
+}