1 /* Copyright (c) 2008, Google Inc.
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions are
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9 * notice, this list of conditions and the following disclaimer.
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11 * copyright notice, this list of conditions and the following disclaimer
12 * in the documentation and/or other materials provided with the
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15 * contributors may be used to endorse or promote products derived from
16 * this software without specific prior written permission.
18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
19 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
20 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
21 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
22 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
23 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
24 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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28 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
31 * Author: Craig Silverstein
32 * Copied from google-perftools and modified by Shinichiro Hamaji
36 # error You should only be including windows/port.cc in a windows environment!
40 #include <stdarg.h> // for va_list, va_start, va_end
41 #include <string.h> // for strstr()
50 // These call the windows _vsnprintf, but always NUL-terminate.
51 int safe_vsnprintf(char *str, size_t size, const char *format, va_list ap) {
52 if (size == 0) // not even room for a \0?
53 return -1; // not what C99 says to do, but what windows does
55 return _vsnprintf(str, size-1, format, ap);
59 int snprintf(char *str, size_t size, const char *format, ...) {
62 const int r = vsnprintf(str, size, format, ap);