Function fs_dump_cache_load

tinyemu/fs_net.c:1825–1889

}

void fs_dump_cache_load(FSDevice *fs1, const char *cfg_filename)
{
    FSDeviceMem *fs = (FSDeviceMem *)fs1;
    JSONValue cfg, val, array;
    char *fname;
    const char *preload_dir, *name;
    int i;
    
    if (!fs_is_net(fs1))
        return;
    cfg = json_load(cfg_filename);
    if (json_is_error(cfg)) {
        fprintf(stderr, "%s\n", json_get_error(cfg));
        exit(1);
    }

    val = json_object_get(cfg, "preload_dir");
    if (json_is_undefined(cfg)) {
    config_error:
        exit(1);
    }
    preload_dir = json_get_str(val);
    if (!preload_dir) {
        fprintf(stderr, "expecting preload_filename\n");
        goto config_error;
    }
    fs->dump_preload_dir = strdup(preload_dir);
    
    init_list_head(&fs->dump_preload_list);
    init_list_head(&fs->dump_exclude_list);

    array = json_object_get(cfg, "preload");
    if (array.type != JSON_ARRAY) {
        fprintf(stderr, "expecting preload array\n");
        goto config_error;
    }
    for(i = 0; i < array.u.array->len; i++) {
        val = json_array_get(array, i);
        name = json_get_str(val);
        if (!name) {
            fprintf(stderr, "expecting a string\n");
            goto config_error;
        }
        fs_dump_add_file(&fs->dump_preload_list, name);
    }
    json_free(cfg);

    fname = compose_path(fs->dump_preload_dir, "preload.txt");
    fs->dump_preload_file = fopen(fname, "w");
    if (!fs->dump_preload_file) {
        perror(fname);
        exit(1);
    }
    free(fname);

    fname = compose_path(fs->dump_preload_dir, "preload_archive.txt");
    fs->dump_preload_archive_file = fopen(fname, "w");
    if (!fs->dump_preload_archive_file) {