1 files changed, 156 insertions, 0 deletions
diff --git a/atf-sh/atf-sh.cpp b/atf-sh/atf-sh.cpp
new file mode 100644
index 0000000000000..d7bc7fc82bc00
--- /dev/null
+++ b/atf-sh/atf-sh.cpp
@@ -0,0 +1,156 @@
+//
+// Automated Testing Framework (atf)
+//
+// Copyright (c) 2010 The NetBSD Foundation, Inc.
+// All rights reserved.
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions
+// are met:
+// 1. Redistributions of source code must retain the above copyright
+//    notice, this list of conditions and the following disclaimer.
+// 2. 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.
+//
+// THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. 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 FOUNDATION 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.
+//
+
+extern "C" {
+#include <unistd.h>
+}
+
+#include <cerrno>
+#include <cstdlib>
+#include <cstring>
+#include <iostream>
+
+#include "atf-c++/config.hpp"
+
+#include "atf-c++/detail/application.hpp"
+#include "atf-c++/detail/fs.hpp"
+#include "atf-c++/detail/sanity.hpp"
+
+// ------------------------------------------------------------------------
+// Auxiliary functions.
+// ------------------------------------------------------------------------
+
+namespace {
+
+static
+std::string
+fix_plain_name(const char *filename)
+{
+    const atf::fs::path filepath(filename);
+    if (filepath.branch_path().str() == ".")
+        return std::string("./") + filename;
+    else
+        return std::string(filename);
+}
+
+static
+std::string*
+construct_script(const char* filename)
+{
+    const std::string libexecdir = atf::config::get("atf_libexecdir");
+    const std::string pkgdatadir = atf::config::get("atf_pkgdatadir");
+    const std::string shell = atf::config::get("atf_shell");
+
+    std::string* command = new std::string();
+    command->reserve(512);
+    (*command) += ("Atf_Check='" + libexecdir + "/atf-check' ; " +
+                   "Atf_Shell='" + shell + "' ; " +
+                   ". " + pkgdatadir + "/libatf-sh.subr ; " +
+                   ". " + fix_plain_name(filename) + " ; " +
+                   "main \"${@}\"");
+    return command;
+}
+
+static
+const char**
+construct_argv(const std::string& shell, const int interpreter_argc,
+               const char* const* interpreter_argv)
+{
+    PRE(interpreter_argc >= 1);
+    PRE(interpreter_argv[0] != NULL);
+
+    const std::string* script = construct_script(interpreter_argv[0]);
+
+    const int count = 4 + (interpreter_argc - 1) + 1;
+    const char** argv = new const char*[count];
+    argv[0] = shell.c_str();
+    argv[1] = "-c";
+    argv[2] = script->c_str();
+    argv[3] = interpreter_argv[0];
+
+    for (int i = 1; i < interpreter_argc; i++)
+        argv[4 + i - 1] = interpreter_argv[i];
+
+    argv[count - 1] = NULL;
+
+    return argv;
+}
+
+} // anonymous namespace
+
+// ------------------------------------------------------------------------
+// The "atf_sh" class.
+// ------------------------------------------------------------------------
+
+class atf_sh : public atf::application::app {
+    static const char* m_description;
+
+public:
+    atf_sh(void);
+
+    int main(void);
+};
+
+const char* atf_sh::m_description =
+    "atf-sh is a shell interpreter that extends the functionality of the "
+    "system sh(1) with the atf-sh library.";
+
+atf_sh::atf_sh(void) :
+    app(m_description, "atf-sh(1)", "atf(7)")
+{
+}
+
+int
+atf_sh::main(void)
+{
+    if (m_argc < 1)
+        throw atf::application::usage_error("No test program provided");
+
+    const atf::fs::path script(m_argv[0]);
+    if (!atf::fs::exists(script))
+        throw std::runtime_error("The test program '" + script.str() + "' "
+                                 "does not exist");
+
+    const std::string shell = atf::config::get("atf_shell");
+    const char** argv = construct_argv(shell, m_argc, m_argv);
+    // Don't bother keeping track of the memory allocated by construct_argv:
+    // we are going to exec or die immediately.
+
+    const int ret = execv(shell.c_str(), const_cast< char** >(argv));
+    INV(ret == -1);
+    std::cerr << "Failed to execute " << shell << ": " << std::strerror(errno)
+              << "\n";
+    return EXIT_FAILURE;
+}
+
+int
+main(int argc, char* const* argv)
+{
+    return atf_sh().run(argc, argv);
+}