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diff --git a/node_modules/node-pty/deps/winpty/src/shared/StringUtil.h b/node_modules/node-pty/deps/winpty/src/shared/StringUtil.h
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+// 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.
+
+#ifndef WINPTY_SHARED_STRING_UTIL_H
+#define WINPTY_SHARED_STRING_UTIL_H
+
+#include <stdlib.h>
+#include <string.h>
+#include <wchar.h>
+
+#include <algorithm>
+#include <string>
+#include <vector>
+
+#include "WinptyAssert.h"
+
+size_t winpty_wcsnlen(const wchar_t *s, size_t maxlen);
+std::string utf8FromWide(const std::wstring &input);
+
+// Return a vector containing each character in the string.
+template <typename T>
+std::vector<T> vectorFromString(const std::basic_string<T> &str) {
+    return std::vector<T>(str.begin(), str.end());
+}
+
+// Return a vector containing each character in the string, followed by a
+// NUL terminator.
+template <typename T>
+std::vector<T> vectorWithNulFromString(const std::basic_string<T> &str) {
+    std::vector<T> ret;
+    ret.reserve(str.size() + 1);
+    ret.insert(ret.begin(), str.begin(), str.end());
+    ret.push_back('\0');
+    return ret;
+}
+
+// A safer(?) version of wcsncpy that is accepted by MSVC's /SDL mode.
+template <size_t N>
+wchar_t *winpty_wcsncpy(wchar_t (&d)[N], const wchar_t *s) {
+    ASSERT(s != nullptr);
+    size_t i = 0;
+    for (; i < N; ++i) {
+        if (s[i] == L'\0') {
+            break;
+        }
+        d[i] = s[i];
+    }
+    for (; i < N; ++i) {
+        d[i] = L'\0';
+    }
+    return d;
+}
+
+// Like wcsncpy, but ensure that the destination buffer is NUL-terminated.
+template <size_t N>
+wchar_t *winpty_wcsncpy_nul(wchar_t (&d)[N], const wchar_t *s) {
+    static_assert(N > 0, "array cannot be 0-size");
+    winpty_wcsncpy(d, s);
+    d[N - 1] = L'\0';
+    return d;
+}
+
+#endif // WINPTY_SHARED_STRING_UTIL_H