1 files changed, 55 insertions, 0 deletions
diff --git a/src/libs/3rdparty/winpty/src/shared/StringUtil.cc b/src/libs/3rdparty/winpty/src/shared/StringUtil.cc
new file mode 100644
index 0000000000..3a85a3ec94
--- /dev/null
+++ b/src/libs/3rdparty/winpty/src/shared/StringUtil.cc
@@ -0,0 +1,55 @@
+// Copyright (c) 2015 Ryan Prichard
+//
+// Permission is hereby granted, free of charge, to any person obtaining a copy
+// of this software and associated documentation files (the "Software"), to
+// deal in the Software without restriction, including without limitation the
+// rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+// sell copies of the Software, and to permit persons to whom the Software is
+// furnished to do so, subject to the following conditions:
+//
+// The above copyright notice and this permission notice shall be included in
+// all copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
+// IN THE SOFTWARE.
+
+#include "StringUtil.h"
+
+#include <windows.h>
+
+#include "WinptyAssert.h"
+
+// Workaround.  MinGW (from mingw.org) does not have wcsnlen.  MinGW-w64 *does*
+// have wcsnlen, but use this function for consistency.
+size_t winpty_wcsnlen(const wchar_t *s, size_t maxlen) {
+    ASSERT(s != NULL);
+    for (size_t i = 0; i < maxlen; ++i) {
+        if (s[i] == L'\0') {
+            return i;
+        }
+    }
+    return maxlen;
+}
+
+std::string utf8FromWide(const std::wstring &input) {
+    int mblen = WideCharToMultiByte(
+        CP_UTF8, 0,
+        input.data(), input.size(),
+        NULL, 0, NULL, NULL);
+    if (mblen <= 0) {
+        return std::string();
+    }
+    std::vector<char> tmp(mblen);
+    int mblen2 = WideCharToMultiByte(
+        CP_UTF8, 0,
+        input.data(), input.size(),
+        tmp.data(), tmp.size(),
+        NULL, NULL);
+    ASSERT(mblen2 == mblen);
+    return std::string(tmp.data(), tmp.size());
+}