# HG changeset patch
# User David Demelier <markand@malikania.fr>
# Date 1503308455 -7200
# Node ID 47f003c55e1e8d105a60300a08f16a0838c18fa4
# Parent  e8661a550a12396264ea0caa81c84dd4b0fcdf4b
Executable: dedicate new module directory, closes #684

diff -r e8661a550a12 -r 47f003c55e1e CMakeLists.txt
--- a/CMakeLists.txt	Mon Aug 21 11:31:22 2017 +0200
+++ b/CMakeLists.txt	Mon Aug 21 11:40:55 2017 +0200
@@ -49,5 +49,6 @@
     )
 endif ()
 
+add_subdirectory(modules/executable)
 add_subdirectory(modules/join)
 add_subdirectory(modules/js)
diff -r e8661a550a12 -r 47f003c55e1e misc/CMakeLists.txt
--- a/misc/CMakeLists.txt	Mon Aug 21 11:31:22 2017 +0200
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,21 +0,0 @@
-#
-# CMakeLists.txt -- code building for common code
-#
-# Copyright (c) 2013-2016 David Demelier <markand@malikania.fr>
-#
-# Permission to use, copy, modify, and/or distribute this software for any
-# purpose with or without fee is hereby granted, provided that the above
-# copyright notice and this permission notice appear in all copies.
-#
-# THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
-# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
-# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
-# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
-# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
-# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
-# OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
-#
-
-add_executable(test-misc test-all.cpp)
-target_link_libraries(test-misc gtest)
-
diff -r e8661a550a12 -r 47f003c55e1e misc/executable.cpp
--- a/misc/executable.cpp	Mon Aug 21 11:31:22 2017 +0200
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,108 +0,0 @@
-#include <string>
-#include <stdexcept>
-
-#if defined(__linux__)
-#   include <unistd.h>
-
-#   include <cerrno>
-#   include <climits>
-#   include <cstring>
-#elif defined(__FreeBSD__) || defined(__DragonFly__) || defined(__NetBSD__) || defined(__OpenBSD__)
-#   if defined(__NetBSD__)
-#       include <sys/param.h>
-#       include <unistd.h>
-#   else
-#       include <sys/types.h>
-#   endif
-
-#   if defined(__OpenBSD__)
-#       include <unistd.h>
-#   endif
-
-#   include <sys/sysctl.h>
-
-#   include <cerrno>
-#   include <climits>
-#   include <cstddef>
-#   include <cstdlib>
-#   include <cstring>
-#elif defined(__APPLE__)
-#   include <cerrno>
-#   include <cstring>
-#   include <libproc.h>
-#   include <unistd.h>
-#elif defined(_WIN32)
-#   include <Windows.h>
-#endif
-
-std::string executable_path()
-{
-    std::string result;
-
-#if defined(__linux__)
-    char path[PATH_MAX + 1] = {0};
-
-    if (readlink("/proc/self/exe", path, sizeof (path) - 1) < 0)
-        throw std::runtime_error(std::strerror(errno));
-
-    result = path;
-#elif defined(__FreeBSD__) || defined(__DragonFly__)
-    int mib[] = { CTL_KERN, KERN_PROC, KERN_PROC_PATHNAME, -1 };
-    char path[PATH_MAX + 1] = {0};
-    size_t size = PATH_MAX;
-
-    if (sysctl(mib, 4, path, &size, nullptr, 0) < 0)
-        throw std::runtime_error(std::strerror(errno));
-
-    result = path;
-#elif defined(__APPLE__)
-    char path[PROC_PIDPATHINFO_MAXSIZE + 1] = {0};
-
-    if ((proc_pidpath(getpid(), path, sizeof (path) - 1) == 0)
-        throw std::runtime_error(std::strerror(errno));
-
-    result = path;
-#elif defined(_WIN32)
-    char path[PATH_MAX + 1] = {0};
-
-    if (GetModuleFileNameA(nullptr, path, sizeof (path) - 1) == 0)
-        throw std::runtime_error("GetModuleFileName error");
-
-    result = path;
-#elif defined(__NetBSD__)
-    char path[4096 + 1] = {0};
-
-#   if defined(KERN_PROC_PATHNAME)
-    int mib[] = { CTL_KERN, KERN_PROC_ARGS, -1, KERN_PROC_PATHNAME };
-    int size = sizeof (path) - 1;
-
-    if (sysctl(mib, 4, path, &size, nullptr, 0) < 0)
-        throw std::runtime_error(std::strerror(errno));
-#   else
-    if (readlink("/proc/curproc/exe", path, sizeof (path) - 1) < 0)
-        throw std::runtime_error(std::strerror(errno));
-#   endif
-
-    result = path;
-#elif defined(__OpenBSD__)
-    char **paths, path[PATH_MAX + 1] = {0};
-    int mib[] = { CTL_KERN, KERN_PROC_ARGS, getpid(), KERN_PROC_ARGV };
-    size_t length = 0;
-
-    if (sysctl(mib, 4, 0, &length, 0, 0) < 0)
-        throw std::runtime_error(std::strerror(errno));
-    if (!(paths = static_cast<char**>(std::malloc(length))))
-        throw std::runtime_error(std::strerror(errno));
-    if (sysctl(mib, 4, paths, &length, 0, 0) < 0) {
-        std::free(paths);
-        throw std::runtime_error(std::strerror(errno));
-    }
-
-    realpath(paths[0], path);
-    result = path;
-
-    std::free(paths);
-#endif
-
-    return result;
-}
diff -r e8661a550a12 -r 47f003c55e1e modules/executable/CMakeLists.txt
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/modules/executable/CMakeLists.txt	Mon Aug 21 11:40:55 2017 +0200
@@ -0,0 +1,26 @@
+#
+# CMakeLists.txt -- code building for common code
+#
+# Copyright (c) 2013-2017 David Demelier <markand@malikania.fr>
+#
+# Permission to use, copy, modify, and/or distribute this software for any
+# purpose with or without fee is hereby granted, provided that the above
+# copyright notice and this permission notice appear in all copies.
+#
+# THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+# OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+#
+
+find_package(Boost REQUIRED COMPONENTS filesystem system)
+
+code_define_module(
+    NAME executable
+    SOURCES executable.cpp executable.hpp
+    LIBRARIES Boost::filesystem Boost::system
+    FLAGS TARGET_FILE="$<TARGET_FILE:test-executable>"
+)
diff -r e8661a550a12 -r 47f003c55e1e modules/executable/executable.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/modules/executable/executable.cpp	Mon Aug 21 11:40:55 2017 +0200
@@ -0,0 +1,126 @@
+/*
+ * executable.cpp -- get executable path
+ *
+ * Copyright (c) 2016 David Demelier <markand@malikania.fr>
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#include <string>
+#include <stdexcept>
+
+#if defined(__linux__)
+#   include <unistd.h>
+
+#   include <cerrno>
+#   include <climits>
+#   include <cstring>
+#elif defined(__FreeBSD__) || defined(__DragonFly__) || defined(__NetBSD__) || defined(__OpenBSD__)
+#   if defined(__NetBSD__)
+#       include <sys/param.h>
+#       include <unistd.h>
+#   else
+#       include <sys/types.h>
+#   endif
+
+#   if defined(__OpenBSD__)
+#       include <unistd.h>
+#   endif
+
+#   include <sys/sysctl.h>
+
+#   include <cerrno>
+#   include <climits>
+#   include <cstddef>
+#   include <cstdlib>
+#   include <cstring>
+#elif defined(__APPLE__)
+#   include <cerrno>
+#   include <cstring>
+#   include <libproc.h>
+#   include <unistd.h>
+#elif defined(_WIN32)
+#   include <Windows.h>
+#endif
+
+std::string executable_path()
+{
+    std::string result;
+
+#if defined(__linux__)
+    char path[PATH_MAX + 1] = {0};
+
+    if (readlink("/proc/self/exe", path, sizeof (path) - 1) < 0)
+        throw std::runtime_error(std::strerror(errno));
+
+    result = path;
+#elif defined(__FreeBSD__) || defined(__DragonFly__)
+    int mib[] = { CTL_KERN, KERN_PROC, KERN_PROC_PATHNAME, -1 };
+    char path[PATH_MAX + 1] = {0};
+    size_t size = PATH_MAX;
+
+    if (sysctl(mib, 4, path, &size, nullptr, 0) < 0)
+        throw std::runtime_error(std::strerror(errno));
+
+    result = path;
+#elif defined(__APPLE__)
+    char path[PROC_PIDPATHINFO_MAXSIZE + 1] = {0};
+
+    if ((proc_pidpath(getpid(), path, sizeof (path) - 1) == 0)
+        throw std::runtime_error(std::strerror(errno));
+
+    result = path;
+#elif defined(_WIN32)
+    char path[PATH_MAX + 1] = {0};
+
+    if (GetModuleFileNameA(nullptr, path, sizeof (path) - 1) == 0)
+        throw std::runtime_error("GetModuleFileName error");
+
+    result = path;
+#elif defined(__NetBSD__)
+    char path[4096 + 1] = {0};
+
+#   if defined(KERN_PROC_PATHNAME)
+    int mib[] = { CTL_KERN, KERN_PROC_ARGS, -1, KERN_PROC_PATHNAME };
+    int size = sizeof (path) - 1;
+
+    if (sysctl(mib, 4, path, &size, nullptr, 0) < 0)
+        throw std::runtime_error(std::strerror(errno));
+#   else
+    if (readlink("/proc/curproc/exe", path, sizeof (path) - 1) < 0)
+        throw std::runtime_error(std::strerror(errno));
+#   endif
+
+    result = path;
+#elif defined(__OpenBSD__)
+    char **paths, path[PATH_MAX + 1] = {0};
+    int mib[] = { CTL_KERN, KERN_PROC_ARGS, getpid(), KERN_PROC_ARGV };
+    size_t length = 0;
+
+    if (sysctl(mib, 4, 0, &length, 0, 0) < 0)
+        throw std::runtime_error(std::strerror(errno));
+    if (!(paths = static_cast<char**>(std::malloc(length))))
+        throw std::runtime_error(std::strerror(errno));
+    if (sysctl(mib, 4, paths, &length, 0, 0) < 0) {
+        std::free(paths);
+        throw std::runtime_error(std::strerror(errno));
+    }
+
+    realpath(paths[0], path);
+    result = path;
+
+    std::free(paths);
+#endif
+
+    return result;
+}
diff -r e8661a550a12 -r 47f003c55e1e modules/executable/executable.hpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/modules/executable/executable.hpp	Mon Aug 21 11:40:55 2017 +0200
@@ -0,0 +1,32 @@
+/*
+ * executable.hpp -- get executable path
+ *
+ * Copyright (c) 2016 David Demelier <markand@malikania.fr>
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#ifndef EXECUTABLE_HPP
+#define EXECUTABLE_HPP
+
+#include <string>
+
+/**
+ * Get executable path.
+ *
+ * \return the string to the executable path
+ * \throw std::exception on any system error
+ */
+std::string executable_path();
+
+#endif // !EXECUTABLE_HPP
diff -r e8661a550a12 -r 47f003c55e1e modules/executable/test/main.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/modules/executable/test/main.cpp	Mon Aug 21 11:40:55 2017 +0200
@@ -0,0 +1,33 @@
+/*
+ * test-executable.cpp -- test executable_path function
+ *
+ * Copyright (c) 2013-2016 David Demelier <markand@malikania.fr>
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#define BOOST_TEST_MODULE "Executable path"
+#include <boost/filesystem.hpp>
+#include <boost/test/unit_test.hpp>
+
+#include "executable.hpp"
+
+namespace fs = boost::filesystem;
+
+BOOST_AUTO_TEST_CASE(normal)
+{
+    fs::path expected(TARGET_FILE);
+    fs::path result(executable_path());
+
+    BOOST_REQUIRE_EQUAL(expected, result);
+}