| /* Copyright (c) 2014 Alexander Lamaison <alexander.lamaison@gmail.com> |
| * |
| * 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 the copyright holder nor the names |
| * of any other 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. |
| */ |
| |
| /* Headers */ |
| #cmakedefine HAVE_UNISTD_H |
| #cmakedefine HAVE_INTTYPES_H |
| #cmakedefine HAVE_SYS_SOCKET_H |
| #cmakedefine HAVE_ARPA_INET_H |
| #cmakedefine HAVE_NETINET_IN_H |
| #cmakedefine HAVE_WINDOWS_H |
| #cmakedefine HAVE_WINSOCK2_H |
| #cmakedefine HAVE_SNPRINTF |
| |
| /* snprintf not in Visual Studio CRT and _snprintf dangerously incompatible. |
| We provide a safe wrapper if snprintf not found */ |
| #ifndef HAVE_SNPRINTF |
| #include <stdio.h> |
| #include <stdarg.h> |
| /* Want safe, 'n += snprintf(b + n ...)' like function. If cp_max_len is 1 |
| * then assume cp is pointing to a null char and do nothing. Returns number |
| * number of chars placed in cp excluding the trailing null char. So for |
| * cp_max_len > 0 the return value is always < cp_max_len; for cp_max_len |
| * <= 0 the return value is 0 (and no chars are written to cp). */ |
| static int snprintf(char *cp, int cp_max_len, const char *fmt, ...) |
| { |
| va_list args; |
| int n; |
| |
| if (cp_max_len < 2) |
| return 0; |
| va_start(args, fmt); |
| n = vsnprintf(cp, cp_max_len, fmt, args); |
| va_end(args); |
| return (n < cp_max_len) ? n : (cp_max_len - 1); |
| } |
| |
| #define HAVE_SNPRINTF |
| #endif |
