Add dir annoyances

1 files changed, 80 insertions, 0 deletions

diff --git a/src/shared/lib.cpp b/src/shared/lib.cpp
new file mode 100644
index 0000000..a9dc9b1
--- /dev/null
+++ b/src/shared/lib.cpp
@@ -0,0 +1,80 @@
+#include <tmwa/shared.hpp>
+//    shared/lib.cpp - Public library to ensure install is working.
+//
+//    Copyright © 2014 Ben Longbons <b.r.longbons@gmail.com>
+//
+//    This file is part of The Mana World (Athena server)
+//
+//    This program is free software: you can redistribute it and/or modify
+//    it under the terms of the GNU General Public License as published by
+//    the Free Software Foundation, either version 3 of the License, or
+//    (at your option) any later version.
+//
+//    This program 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 General Public License for more details.
+//
+//    You should have received a copy of the GNU General Public License
+//    along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+#include "../conf/install.hpp"
+
+#include "../strings/literal.hpp"
+#include "../strings/astring.hpp"
+#include "../strings/zstring.hpp"
+
+#include "../io/cxxstdio.hpp"
+#include "../io/dir.hpp"
+#include "../io/read.hpp"
+#include "../io/write.hpp"
+
+#include "../poison.hpp"
+
+
+namespace tmwa
+{
+#define PRINT_VAR(var) PRINTF("%s = %s\n"_fmt, #var##_s, var)
+
+    static
+    void try_read(const io::DirFd& dirfd, ZString filename)
+    {
+        io::ReadFile rf(dirfd, filename);
+        if (!rf.is_open())
+            abort();
+        AString line;
+        if (!rf.getline(line))
+            abort();
+    }
+
+    static
+    void try_write(const io::DirFd& dirfd, ZString filename)
+    {
+        io::WriteFile wf(dirfd, filename);
+        if (!wf.is_open())
+            abort();
+        wf.put_line("Hello, World!"_s);
+        if (!wf.close())
+            abort();
+    }
+
+    void check_paths()
+    {
+        ZString portable_root(strings::really_construct_from_a_pointer, getenv("TMWA_PORTABLE") ?: "", nullptr);
+        bool portable = bool(portable_root);
+        if (!portable)
+            portable_root = "."_s;
+
+        io::DirFd root(portable_root);
+
+        io::DirFd etc(root, PACKAGESYSCONFDIR.xslice_t(portable));
+        io::DirFd var(root, PACKAGELOCALSTATEDIR.xslice_t(portable));
+        io::DirFd share(root, PACKAGEDATADIR.xslice_t(portable));
+
+        try_read(etc, "shared.conf"_s);
+        try_read(share, "shared.data"_s);
+        try_write(var, "shared.test"_s);
+
+        // io::FD::open();
+    }
+} // namespace tmwa