libuv-svace-build

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/* Copyright the libuv project contributors. All rights reserved.
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 *
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 * Permission is hereby granted, free of charge, to any person obtaining a copy
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 * of this software and associated documentation files (the "Software"), to
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 * deal in the Software without restriction, including without limitation the
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 * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
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 * sell copies of the Software, and to permit persons to whom the Software is
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 * furnished to do so, subject to the following conditions:
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 *
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 * The above copyright notice and this permission notice shall be included in
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 * all copies or substantial portions of the Software.
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 *
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 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
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 * IN THE SOFTWARE.
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 */
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#if defined(_MSC_VER) && _MSC_VER < 1900
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#include <stdio.h>
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#include <stdarg.h>
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/* Emulate snprintf() on MSVC<2015, _snprintf() doesn't zero-terminate the buffer
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 * on overflow...
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 */
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int snprintf(char* buf, size_t len, const char* fmt, ...) {
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  int n;
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  va_list ap;
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  va_start(ap, fmt);
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  n = _vscprintf(fmt, ap);
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  vsnprintf_s(buf, len, _TRUNCATE, fmt, ap);
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  va_end(ap);
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  return n;
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}
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#endif
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