1 files changed, 20 insertions, 0 deletions
diff --git a/misc/bstr.c b/misc/bstr.c
index 4f1e862..abe688b 100644
--- a/misc/bstr.c
+++ b/misc/bstr.c
@@ -467,3 +467,23 @@ bool bstr_decode_hex(void *talloc_ctx, struct bstr hex, struct bstr *out)
     *out = (struct bstr){ .start = arr, .len = len };
     return true;
 }
+
+#ifdef _WIN32
+
+#include <windows.h>
+
+int bstr_to_wchar(void *talloc_ctx, struct bstr s, wchar_t **ret)
+{
+    int count = MultiByteToWideChar(CP_UTF8, 0, s.start, s.len, NULL, 0);
+    if (count <= 0)
+        abort();
+    wchar_t *wbuf = *ret;
+    if (!wbuf || ta_get_size(wbuf) < (count + 1) * sizeof(wchar_t))
+        wbuf = talloc_realloc(talloc_ctx, wbuf, wchar_t, count + 1);
+    MultiByteToWideChar(CP_UTF8, 0, s.start, s.len, wbuf, count);
+    wbuf[count] = L'\0';
+    *ret = wbuf;
+    return count;
+}
+
+#endif