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Diffstat (limited to 'extern/gflags/src/windows_port.cc')
-rw-r--r-- | extern/gflags/src/windows_port.cc | 73 |
1 files changed, 73 insertions, 0 deletions
diff --git a/extern/gflags/src/windows_port.cc b/extern/gflags/src/windows_port.cc new file mode 100644 index 00000000000..b5b7194c9a4 --- /dev/null +++ b/extern/gflags/src/windows_port.cc @@ -0,0 +1,73 @@ +/* Copyright (c) 2009, Google Inc. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are + * met: + * + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * * Redistributions in binary form must reproduce the above + * copyright notice, this list of conditions and the following disclaimer + * in the documentation and/or other materials provided with the + * distribution. + * * Neither the name of Google Inc. nor the names of its + * contributors may be used to endorse or promote products derived from + * this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * + * --- + * Author: Craig Silverstein + */ + +#ifndef _WIN32 +# error You should only be including windows/port.cc in a windows environment! +#endif + +#include <string.h> // for strlen(), memset(), memcmp() +#include <assert.h> +#include <stdarg.h> // for va_list, va_start, va_end +#include <windows.h> + +#include "windows_port.h" + +// These call the windows _vsnprintf, but always NUL-terminate. +#if !defined(__MINGW32__) && !defined(__MINGW64__) /* mingw already defines */ +#if !(defined(_MSC_VER) && _MSC_VER >= 1900) /* msvc 2015 already defines */ + +#ifdef _MSC_VER +# pragma warning(push) +# pragma warning(disable: 4996) // ignore _vsnprintf security warning +#endif +int safe_vsnprintf(char *str, size_t size, const char *format, va_list ap) { + if (size == 0) // not even room for a \0? + return -1; // not what C99 says to do, but what windows does + str[size-1] = '\0'; + return _vsnprintf(str, size-1, format, ap); +} +#ifdef _MSC_VER +# pragma warning(pop) +#endif + +int snprintf(char *str, size_t size, const char *format, ...) { + int r; + va_list ap; + va_start(ap, format); + r = vsnprintf(str, size, format, ap); + va_end(ap); + return r; +} + +#endif /* if !(defined(_MSC_VER) && _MSC_VER >= 1900) */ +#endif /* #if !defined(__MINGW32__) && !defined(__MINGW64__) */ |