/**
 * @file bad_magic.cpp
 * @brief Broken fixture: API table with a wrong magic constant
 *
 * Contract-complete, but its declared table opens with garbage instead
 * of the spec magic. libdpm-core must refuse it at validation step 5.
 *
 * 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 table_header {
    uint32_t magic;
    uint32_t size;
};

struct manifest_entry {
    const char* api_name;
    int         table_version;
    const char* symbol;
};

struct manifest {
    uint32_t              count;
    const manifest_entry* entries;
};

} // namespace

struct badmagic_api_v1_s {
    table_header hdr;
    int (*ping)(void);
};

static int ping(void)
{
    return 0;
}

extern "C" {
    extern const struct badmagic_api_v1_s badmagic_api_v1;
    const struct badmagic_api_v1_s badmagic_api_v1 = {
        { 0xDEADBEEFu, sizeof(struct badmagic_api_v1_s) },
        ping,
    };
}

extern "C" const char* dpm_module_version(void)
{
    return "1.0.0";
}

extern "C" const char* dpm_module_description(void)
{
    return "Fixture with a bad table magic.";
}

extern "C" const char* dpm_module_core_min(void)
{
    return "0.1.0";
}

extern "C" const void* dpm_module_manifest(void)
{
    static const manifest_entry entries[] = {
        { "badmagic", 1, "badmagic_api_v1" },
    };
    static const manifest m = { 1, entries };
    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;
}