Merge commit 'e988fee1679536137b87d10e939eff5c1f27c8ab' as 'libs/libzmq'

libs/libzmq/src/compat.hpp

@@ -0,0 +1,75 @@
+/*
+    Copyright (c) 2020 Contributors as noted in the AUTHORS file
+
+    This file is part of libzmq, the ZeroMQ core engine in C++.
+
+    libzmq is free software; you can redistribute it and/or modify it under
+    the terms of the GNU Lesser General Public License (LGPL) as published
+    by the Free Software Foundation; either version 3 of the License, or
+    (at your option) any later version.
+
+    As a special exception, the Contributors give you permission to link
+    this library with independent modules to produce an executable,
+    regardless of the license terms of these independent modules, and to
+    copy and distribute the resulting executable under terms of your choice,
+    provided that you also meet, for each linked independent module, the
+    terms and conditions of the license of that module. An independent
+    module is a module which is not derived from or based on this library.
+    If you modify this library, you must extend this exception to your
+    version of the library.
+
+    libzmq is distributed in the hope that it will be useful, but WITHOUT
+    ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+    FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
+    License for more details.
+
+    You should have received a copy of the GNU Lesser General Public License
+    along with this program.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#ifndef __ZMQ_COMPAT_HPP_INCLUDED__
+#define __ZMQ_COMPAT_HPP_INCLUDED__
+
+#include "precompiled.hpp"
+#include <string.h>
+
+#ifdef ZMQ_HAVE_WINDOWS
+#define strcasecmp _stricmp
+#define strtok_r strtok_s
+#else
+#ifndef ZMQ_HAVE_STRLCPY
+#ifdef ZMQ_HAVE_LIBBSD
+#include <bsd/string.h>
+#else
+static inline size_t
+strlcpy (char *dest_, const char *src_, const size_t dest_size_)
+{
+    size_t remain = dest_size_;
+    for (; remain && *src_; --remain, ++src_, ++dest_) {
+        *dest_ = *src_;
+    }
+    return dest_size_ - remain;
+}
+#endif
+#endif
+template <size_t size>
+static inline int strcpy_s (char (&dest_)[size], const char *const src_)
+{
+    const size_t res = strlcpy (dest_, src_, size);
+    return res >= size ? ERANGE : 0;
+}
+#endif
+
+#ifndef HAVE_STRNLEN
+static inline size_t strnlen (const char *s, size_t len)
+{
+    for (size_t i = 0; i < len; i++) {
+        if (s[i] == '\0')
+            return i + 1;
+    }
+
+    return len;
+}
+#endif
+
+#endif