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diff --git a/node_modules/node-pty/deps/winpty/src/shared/winpty_snprintf.h b/node_modules/node-pty/deps/winpty/src/shared/winpty_snprintf.h
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+++ b/node_modules/node-pty/deps/winpty/src/shared/winpty_snprintf.h
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+// Copyright (c) 2016 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_SNPRINTF_H
+#define WINPTY_SNPRINTF_H
+
+#include <stdarg.h>
+#include <stdio.h>
+#include <stdlib.h>
+
+#include "WinptyAssert.h"
+
+#if defined(__CYGWIN__) || defined(__MSYS__)
+#define WINPTY_SNPRINTF_FORMAT(fmtarg, vararg) \
+    __attribute__((format(printf, (fmtarg), ((vararg)))))
+#elif defined(__GNUC__)
+#define WINPTY_SNPRINTF_FORMAT(fmtarg, vararg) \
+    __attribute__((format(ms_printf, (fmtarg), ((vararg)))))
+#else
+#define WINPTY_SNPRINTF_FORMAT(fmtarg, vararg)
+#endif
+
+// Returns a value between 0 and size - 1 (inclusive) on success.  Returns -1
+// on failure (including truncation).  The output buffer is always
+// NUL-terminated.
+inline int
+winpty_vsnprintf(char *out, size_t size, const char *fmt, va_list ap) {
+    ASSERT(size > 0);
+    out[0] = '\0';
+#if defined(_MSC_VER) && _MSC_VER < 1900
+    // MSVC 2015 added a C99-conforming vsnprintf.
+    int count = _vsnprintf_s(out, size, _TRUNCATE, fmt, ap);
+#else
+    // MinGW configurations frequently provide a vsnprintf function that simply
+    // calls one of the MS _vsnprintf* functions, which are not C99 conformant.
+    int count = vsnprintf(out, size, fmt, ap);
+#endif
+    if (count < 0 || static_cast<size_t>(count) >= size) {
+        // On truncation, some *printf* implementations return the
+        // non-truncated size, but other implementations returns -1.  Return
+        // -1 for consistency.
+        count = -1;
+        // Guarantee NUL termination.
+        out[size - 1] = '\0';
+    } else {
+        // Guarantee NUL termination.
+        out[count] = '\0';
+    }
+    return count;
+}
+
+// Wraps winpty_vsnprintf.
+inline int winpty_snprintf(char *out, size_t size, const char *fmt, ...)
+    WINPTY_SNPRINTF_FORMAT(3, 4);
+inline int winpty_snprintf(char *out, size_t size, const char *fmt, ...) {
+    va_list ap;
+    va_start(ap, fmt);
+    const int count = winpty_vsnprintf(out, size, fmt, ap);
+    va_end(ap);
+    return count;
+}
+
+// Wraps winpty_vsnprintf with automatic size determination.
+template <size_t size>
+int winpty_vsnprintf(char (&out)[size], const char *fmt, va_list ap) {
+    return winpty_vsnprintf(out, size, fmt, ap);
+}
+
+// Wraps winpty_vsnprintf with automatic size determination.
+template <size_t size>
+int winpty_snprintf(char (&out)[size], const char *fmt, ...)
+    WINPTY_SNPRINTF_FORMAT(2, 3);
+template <size_t size>
+int winpty_snprintf(char (&out)[size], const char *fmt, ...) {
+    va_list ap;
+    va_start(ap, fmt);
+    const int count = winpty_vsnprintf(out, size, fmt, ap);
+    va_end(ap);
+    return count;
+}
+
+#endif // WINPTY_SNPRINTF_H