Added thirdparty: boost library

2026-08-14 03:08:07 +00:00 · 2024-01-06 19:55:56 +02:00
parent bf49f439e1
commit bccd1e7051
15683 changed files with 3239840 additions and 0 deletions
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+// Copyright 2014 Renato Tegon Forti, Antony Polukhin.
+// Copyright Antony Polukhin, 2015-2023.
+//
+// Distributed under the Boost Software License, Version 1.0.
+// (See accompanying file LICENSE_1_0.txt
+// or copy at http://www.boost.org/LICENSE_1_0.txt)
+
+#ifndef BOOST_DLL_DETAIL_POSIX_PROGRAM_LOCATION_IMPL_HPP
+#define BOOST_DLL_DETAIL_POSIX_PROGRAM_LOCATION_IMPL_HPP
+
+#include <boost/dll/config.hpp>
+#include <boost/dll/detail/system_error.hpp>
+#include <boost/predef/os.h>
+
+#ifdef BOOST_HAS_PRAGMA_ONCE
+# pragma once
+#endif
+
+#if BOOST_OS_MACOS || BOOST_OS_IOS
+
+#include <mach-o/dyld.h>
+
+namespace boost { namespace dll { namespace detail {
+    inline boost::dll::fs::path program_location_impl(boost::dll::fs::error_code &ec) {
+        ec.clear();
+
+        char path[1024];
+        uint32_t size = sizeof(path);
+        if (_NSGetExecutablePath(path, &size) == 0)
+            return boost::dll::fs::path(path);
+
+        char *p = new char[size];
+        if (_NSGetExecutablePath(p, &size) != 0) {
+            ec = boost::dll::fs::make_error_code(
+                boost::dll::fs::errc::bad_file_descriptor
+            );
+        }
+
+        boost::dll::fs::path ret(p);
+        delete[] p;
+        return ret;
+    }
+}}} // namespace boost::dll::detail
+
+#elif BOOST_OS_SOLARIS
+
+#include <stdlib.h>
+namespace boost { namespace dll { namespace detail {
+    inline boost::dll::fs::path program_location_impl(boost::dll::fs::error_code& ec) {
+        ec.clear();
+
+        return boost::dll::fs::path(getexecname());
+    }
+}}} // namespace boost::dll::detail
+
+#elif BOOST_OS_BSD_FREE
+
+#include <sys/types.h>
+#include <sys/sysctl.h>
+#include <stdlib.h>
+
+namespace boost { namespace dll { namespace detail {
+    inline boost::dll::fs::path program_location_impl(boost::dll::fs::error_code& ec) {
+        ec.clear();
+
+        int mib[4];
+        mib[0] = CTL_KERN;
+        mib[1] = KERN_PROC;
+        mib[2] = KERN_PROC_PATHNAME;
+        mib[3] = -1;
+        char buf[10240];
+        size_t cb = sizeof(buf);
+        sysctl(mib, 4, buf, &cb, NULL, 0);
+
+        return boost::dll::fs::path(buf);
+    }
+}}} // namespace boost::dll::detail
+
+
+
+#elif BOOST_OS_BSD_NET
+
+namespace boost { namespace dll { namespace detail {
+    inline boost::dll::fs::path program_location_impl(boost::dll::fs::error_code &ec) {
+        return boost::dll::fs::read_symlink("/proc/curproc/exe", ec);
+    }
+}}} // namespace boost::dll::detail
+
+#elif BOOST_OS_BSD_DRAGONFLY
+
+
+namespace boost { namespace dll { namespace detail {
+    inline boost::dll::fs::path program_location_impl(boost::dll::fs::error_code &ec) {
+        return boost::dll::fs::read_symlink("/proc/curproc/file", ec);
+    }
+}}} // namespace boost::dll::detail
+
+#elif BOOST_OS_QNX
+
+#include <fstream>
+#include <string> // for std::getline
+namespace boost { namespace dll { namespace detail {
+    inline boost::dll::fs::path program_location_impl(boost::dll::fs::error_code &ec) {
+        ec.clear();
+
+        std::string s;
+        std::ifstream ifs("/proc/self/exefile");
+        std::getline(ifs, s);
+
+        if (ifs.fail() || s.empty()) {
+            ec = boost::dll::fs::make_error_code(
+                boost::dll::fs::errc::bad_file_descriptor
+            );
+        }
+
+        return boost::dll::fs::path(s);
+    }
+}}} // namespace boost::dll::detail
+
+#else  // BOOST_OS_LINUX || BOOST_OS_UNIX || BOOST_OS_HPUX || BOOST_OS_ANDROID
+
+namespace boost { namespace dll { namespace detail {
+    inline boost::dll::fs::path program_location_impl(boost::dll::fs::error_code &ec) {
+        // We can not use
+        // boost::dll::detail::path_from_handle(dlopen(NULL, RTLD_LAZY | RTLD_LOCAL), ignore);
+        // because such code returns empty path.
+
+        return boost::dll::fs::read_symlink("/proc/self/exe", ec);   // Linux specific
+    }
+}}} // namespace boost::dll::detail
+
+#endif
+
+#endif // BOOST_DLL_DETAIL_POSIX_PROGRAM_LOCATION_IMPL_HPP
+