1 /* Copyright the libuv project contributors. All rights reserved. 2 * 3 * Permission is hereby granted, free of charge, to any person obtaining a copy 4 * of this software and associated documentation files (the "Software"), to 5 * deal in the Software without restriction, including without limitation the 6 * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or 7 * sell copies of the Software, and to permit persons to whom the Software is 8 * furnished to do so, subject to the following conditions: 9 * 10 * The above copyright notice and this permission notice shall be included in 11 * all copies or substantial portions of the Software. 12 * 13 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 14 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 15 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE 16 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 17 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING 18 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS 19 * IN THE SOFTWARE. 20 */ 21 22 #if defined(_MSC_VER) && _MSC_VER < 1900 23 24 #include <stdio.h> 25 #include <stdarg.h> 26 27 /* Emulate snprintf() on MSVC<2015, _snprintf() doesn't zero-terminate the buffer 28 * on overflow... 29 */ 30 int snprintf(char* buf, size_t len, const char* fmt, ...) { 31 int n; 32 va_list ap; 33 va_start(ap, fmt); 34 35 n = _vscprintf(fmt, ap); 36 vsnprintf_s(buf, len, _TRUNCATE, fmt, ap); 37 38 va_end(ap); 39 return n; 40 } 41 42 #endif 43