From 8b620dc4f532c1aa6f93f23328059676cd91c58d Mon Sep 17 00:00:00 2001
From: Danny Robson <danny@nerdcruft.net>
Date: Sat, 27 Apr 2019 10:44:33 +1000
Subject: [PATCH] tools/emory: add stub loader executable

---
 CMakeLists.txt  | 14 ++++++++++----
 tools/emory.cpp | 45 +++++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 55 insertions(+), 4 deletions(-)
 create mode 100644 tools/emory.cpp

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 2de46d7..48937e7 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -11,7 +11,7 @@ include_directories(.)
 
 
 ###############################################################################
-add_library(emory
+add_library(libemory
     acl.cpp
     acl.hpp
     emory/chunk/fwd.cpp
@@ -34,8 +34,8 @@ add_library(emory
     emory/fs/xattr.hpp
 )
 
-
-target_link_libraries(emory cruft acl)
+target_link_libraries(libemory cruft acl)
+set_target_properties(libemory PROPERTIES OUTPUT_NAME emory)
 
 
 ###############################################################################
@@ -53,5 +53,11 @@ add_subdirectory(cruft/crypto)
 ###############################################################################
 foreach (t analyse compare stat)
     add_executable ("${t}" "tools/${t}.cpp")
-    target_link_libraries("${t}" emory cruft-crypto cruft)
+    target_link_libraries ("${t}" libemory cruft-crypto cruft)
+    set_target_properties ("${t}" PROPERTIES
+        OUTPUT_NAME "emory-${t}"
+    )
 endforeach()
+
+add_executable (emory tools/emory.cpp)
+target_link_libraries (emory libemory)
diff --git a/tools/emory.cpp b/tools/emory.cpp
new file mode 100644
index 0000000..04b6206
--- /dev/null
+++ b/tools/emory.cpp
@@ -0,0 +1,45 @@
+/*
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * Copyright 2019 Danny Robson <danny@nerdcruft.net>
+ */
+
+#include <iostream>
+#include <cstddef>
+#include <sstream>
+
+#include <unistd.h>
+
+#include <cruft/util/debug.hpp>
+#include <cruft/util/posix/except.hpp>
+
+
+enum {
+    ARG_SELF,
+    ARG_CHILD,
+
+    NUM_ARGS
+};
+
+
+static void print_usage (std::ostream &os, int argc, char **argv)
+{
+    (void)argc;
+    os << "Usage: " << argv[ARG_SELF] << " <command> [args] ...\n";
+}
+
+
+int main  (int argc, char **argv)
+{
+    if (argc < NUM_ARGS) {
+        print_usage (std::cerr, argc, argv);
+        return EXIT_FAILURE;
+    }
+
+    std::ostringstream os;
+    os << argv[ARG_SELF] << '-' << argv[ARG_CHILD];
+    cruft::posix::error::try_call (execv, os.str ().c_str (), argv + 1);
+    unreachable ();
+}
\ No newline at end of file