Initial commit: DPM core library, CLI, bundled info module, and tests

tests/fixtures/src/bad_version.cpp

@@ -0,0 +1,69 @@
+/**
+ * @file bad_version.cpp
+ * @brief Broken fixture: malformed module version string
+ *
+ * Contract-complete, but dpm_module_version() returns something that
+ * is not X.Y.Z. Core must refuse it at validation step 3.
+ *
+ * Part of the Dark Horse Linux Package Manager (DPM)
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero 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 Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see <https://www.gnu.org/licenses/>.
+ */
+#include <cstdint>
+
+namespace {
+
+struct manifest_entry {
+    const char* api_name;
+    int         table_version;
+    const char* symbol;
+};
+
+struct manifest {
+    uint32_t              count;
+    const manifest_entry* entries;
+};
+
+} // namespace
+
+extern "C" const char* dpm_module_version(void)
+{
+    return "banana";
+}
+
+extern "C" const char* dpm_module_description(void)
+{
+    return "Fixture with a malformed version.";
+}
+
+extern "C" const char* dpm_module_core_min(void)
+{
+    return "0.1.0";
+}
+
+extern "C" const void* dpm_module_manifest(void)
+{
+    static const manifest m = { 0, nullptr };
+    return &m;
+}
+
+extern "C" int dpm_module_execute(void* ctx, const char* command,
+                                  int argc, char** argv)
+{
+    (void)ctx;
+    (void)command;
+    (void)argc;
+    (void)argv;
+    return 0;
+}