int
propertyFile_getInt(const FileData* data, const char* key, int _default,
                    SearchResult* searchResult) {
    char* prop = propertyFile_getValue((const char*)data->data,
                                       data->size,
                                       key);
    if (!prop) {
        if (searchResult) {
            *searchResult = RESULT_NOT_FOUND;
        }
        return _default;
    }

    char* end;
    // long is only 32 bits on windows so it isn't enough to detect int overflow
    long long val = strtoll(prop, &end, 10);
    if (val < INT_MIN || val > INT_MAX ||
        end == prop || *end != '\0') {
        D("Invalid int property: '%s:%s'", key, prop);
        AFREE(prop);
        if (searchResult) {
            *searchResult = RESULT_INVALID;
        }
        return _default;
    }

    AFREE(prop);

    if (searchResult) {
        *searchResult = RESULT_FOUND;
    }
    return (int)val;
}

static void
snapshot_info_free( SnapshotInfo* info )
{
    AFREE(info->id_str);
    AFREE(info->name);
    AFREE(info);
}

static void
pipe_free( Pipe* pipe )
{
    
    if (pipe->funcs->close) {
        pipe->funcs->close(pipe->opaque);
    }
    
    AFREE(pipe->args);
    AFREE(pipe);
}

static void
pipe_free( Pipe* pipe )
{
    /* Call close callback */
    if (pipe->funcs->close) {
        pipe->funcs->close(pipe->opaque);
    }
    /* Free stuff */
    AFREE(pipe->args);
    AFREE(pipe);
}

void
iniFile_free( IniFile*  i )
{
    int  nn;
    for (nn = 0; nn < i->numPairs; nn++) {
        AFREE(i->pairs[nn].key);
        i->pairs[nn].key   = NULL;
        i->pairs[nn].value = NULL;
    }
    AFREE(i->pairs);
    AFREE(i);
}

static Pipe*
pipe_load( PipeDevice* dev, QEMUFile* file, int version_id )
{
    Pipe*              pipe;
    const PipeService* service = NULL;
    int   state = qemu_get_byte(file);
    uint64_t channel;

    if (state != 0) {
        /* Pipe is associated with a service. */
        char* name = qemu_get_string(file);
        if (name == NULL)
            return NULL;

        service = goldfish_pipe_find_type(name);
        if (service == NULL) {
            D("No QEMU pipe service named '%s'", name);
            AFREE(name);
            return NULL;
        }
    }

    if (version_id == GOLDFISH_PIPE_SAVE_VERSION_LEGACY) {
        channel = qemu_get_be32(file);
    } else {
        channel = qemu_get_be64(file);
    }
    pipe = pipe_new(channel, dev);
    pipe->wanted  = qemu_get_byte(file);
    pipe->closed  = qemu_get_byte(file);
    if (qemu_get_byte(file) != 0) {
        pipe->args = qemu_get_string(file);
    }

    pipe->service = service;
    if (service != NULL) {
        pipe->funcs = &service->funcs;
    }

    if (pipe->funcs->load) {
        pipe->opaque = pipe->funcs->load(pipe, service ? service->opaque : NULL, pipe->args, file);
        if (pipe->opaque == NULL) {
            AFREE(pipe);
            return NULL;
        }
    } else {
        /* Force-close the pipe on load */
        pipe->closed = 1;
    }
    return pipe;
}

void
aintMap_free( AIntMap*  map )
{
    if (map) {
        if (map->keys != map->keys0)
            AFREE(map->keys);
        if (map->values != map->values0)
            AFREE(map->values);

        map->size = 0;
        map->capacity = 0;
        AFREE(map);
    }
}

/*
 * NAME:	kfun->compile_object()
 * DESCRIPTION:	compile an object
 */
int kf_compile_object(frame *f, int nargs)
{
    char file[STRINGSZ];
    value *v;
    object *obj;
    string **strs;
    int i;

    v = &f->sp[nargs - 1];
    if (path_string(file, v->u.string->text, v->u.string->len) == (char *) NULL)
    {
	return 1;
    }
    obj = o_find(file, OACC_MODIFY);
    if (obj != (object *) NULL) {
	if (!(obj->flags & O_MASTER)) {
	    error("Cannot recompile cloned object");
	}
	if (O_UPGRADING(obj)) {
	    error("Object is already being upgraded");
	}
	if (O_INHERITED(obj)) {
	    error("Cannot recompile inherited object");
	}
    }
    if (--nargs != 0) {
	strs = ALLOCA(string*, nargs);
	for (i = nargs, v = f->sp; i > 0; --i) {
	    *strs++ = (v++)->u.string;
	}
	if (ec_push((ec_ftn) NULL)) {
	    AFREE(strs - nargs);
	    error((char *) NULL);
	}
    } else {

/* Destroys AsyncSocketConnector instance.
 * Param:
 *  connector - Initialized AsyncSocketConnector instance.
 */
static void
_async_socket_connector_free(AsyncSocketConnector* connector)
{
    if (connector != NULL) {
        T("ASC %s: Connector is destroying...", _asc_socket_string(connector));

        /* Stop all activities. */
        if (asyncConnector_stop(connector->connector) == 0) {
            /* Connection was in progress. We need to destroy I/O descriptor for
             * that connection. */
            D("ASC %s: Stopped async connection in progress.",
              _asc_socket_string(connector));
            loopIo_done(connector->connector_io);
        }

        /* Free allocated resources. */
        if (connector->looper != NULL) {
            loopTimer_done(connector->connector_timer);
            if (connector->owns_looper) {
                looper_free(connector->looper);
            }
        }

        if (connector->fd >= 0) {
            socket_close(connector->fd);
        }

        T("ASC %s: Connector is destroyed", _asc_socket_string(connector));

        sock_address_done(&connector->address);

        AFREE(connector);
    }
}

/* disconnect a client. this automatically frees the QemudClient.
 * note that this also removes the client from the global list
 * and from its service's list, if any.
 */
static void
qemud_client_disconnect( void*  opaque )
{
    QemudClient*  c = opaque;

    /* remove from current list */
    qemud_client_remove(c);

    /* send a disconnect command to the daemon */
    if (c->channel > 0) {
        char  tmp[128], *p=tmp, *end=p+sizeof(tmp);
        p = bufprint(tmp, end, "disconnect:%02x", c->channel);
        qemud_serial_send(c->serial, 0, 0, (uint8_t*)tmp, p-tmp);
    }

    /* call the client close callback */
    if (c->clie_close) {
        c->clie_close(c->clie_opaque);
        c->clie_close = NULL;
    }
    c->clie_recv = NULL;

    /* remove from service list, if any */
    if (c->service) {
        qemud_service_remove_client(c->service, c);
        c->service = NULL;
    }

    AFREE(c);
}

/* Returns the AVD's content path, i.e. the directory that contains
 * the AVD's content files (e.g. data partition, cache, sd card, etc...).
 *
 * We extract this by parsing the root config .ini file, looking for
 * a "path" elements.
 */
static int
_avdInfo_getContentPath( AvdInfo*  i )
{
    char temp[PATH_MAX], *p=temp, *end=p+sizeof(temp);

    i->contentPath = iniFile_getString(i->rootIni, ROOT_ABS_PATH_KEY, NULL);

    if (i->contentPath == NULL) {
        derror("bad config: %s",
               "virtual device file lacks a "ROOT_ABS_PATH_KEY" entry");
        return -1;
    }

    if (!path_is_dir(i->contentPath)) {
        // If the absolute path doesn't match an actual directory, try
        // the relative path if present.
        const char* relPath = iniFile_getString(i->rootIni, ROOT_REL_PATH_KEY, NULL);
        if (relPath != NULL) {
            p = bufprint_config_path(temp, end);
            p = bufprint(p, end, PATH_SEP "%s", relPath);
            if (p < end && path_is_dir(temp)) {
                AFREE(i->contentPath);
                i->contentPath = ASTRDUP(temp);
            }
        }
    }

    D("virtual device content at %s", i->contentPath);
    return 0;
}

/* Parse a given config.ini file and extract the list of SDK search paths
 * from it. Returns the number of valid paths stored in 'searchPaths', or -1
 * in case of problem.
 *
 * Relative search paths in the config.ini will be stored as full pathnames
 * relative to 'sdkRootPath'.
 *
 * 'searchPaths' must be an array of char* pointers of at most 'maxSearchPaths'
 * entries.
 */
static int
_getSearchPaths( IniFile*    configIni,
                 const char* sdkRootPath,
                 int         maxSearchPaths,
                 char**      searchPaths )
{
    char  temp[PATH_MAX], *p = temp, *end= p+sizeof temp;
    int   nn, count = 0;

    for (nn = 0; nn < maxSearchPaths; nn++) {
        char*  path;

        p = bufprint(temp, end, "%s%d", SEARCH_PREFIX, nn+1 );
        if (p >= end)
            continue;

        path = iniFile_getString(configIni, temp, NULL);
        if (path != NULL) {
            DD("    found image search path: %s", path);
            if (!path_is_absolute(path)) {
                p = bufprint(temp, end, "%s/%s", sdkRootPath, path);
                AFREE(path);
                path = ASTRDUP(temp);
            }
            searchPaths[count++] = path;
        }
    }
    return count;
}

int
avdInfo_initHwConfig( AvdInfo*  i, AndroidHwConfig*  hw )
{
    int  ret = 0;

    androidHwConfig_init(hw, i->apiLevel);

    /* First read the config.ini, if any */
    if (i->configIni != NULL) {
        ret = androidHwConfig_read(hw, i->configIni);
    }

    /* The skin's hardware.ini can override values */
    if (ret == 0 && i->skinHardwareIni != NULL) {
        ret = androidHwConfig_read(hw, i->skinHardwareIni);
    }

    /* Auto-disable keyboard emulation on sapphire platform builds */
    if (i->androidOut != NULL) {
        char*  p = strrchr(i->androidOut, '/');
        if (p != NULL && !strcmp(p,"sapphire")) {
            hw->hw_keyboard = 0;
        }
    }

    /* Set hw.useext4=yes, if the Ext4 file system is used. */
    const char* p = avdInfo_getSystemInitImagePath(i);
    if (path_isExt4Image(p)) {
        hw->hw_useext4 = 1;
    }
    AFREE(p);

    return ret;
}

/* Uninitializes and frees WndCameraDevice descriptor.
 * Note that upon return from this routine memory allocated for the descriptor
 * will be freed.
 */
static void
_camera_device_free(WndCameraDevice* cd)
{
    if (cd != NULL) {
        if (cd->cap_window != NULL) {
            /* Disconnect from the driver. */
            capDriverDisconnect(cd->cap_window);

            if (cd->dc != NULL) {
                W("%s: Frames should not be capturing at this point",
                  __FUNCTION__);
                ReleaseDC(cd->cap_window, cd->dc);
                cd->dc = NULL;
            }
            /* Destroy the capturing window. */
            DestroyWindow(cd->cap_window);
            cd->cap_window = NULL;
        }
        if (cd->gdi_bitmap != NULL) {
            free(cd->gdi_bitmap);
        }
        if (cd->frame_bitmap != NULL) {
            free(cd->frame_bitmap);
        }
        if (cd->window_name != NULL) {
            free(cd->window_name);
        }
        if (cd->framebuffer != NULL) {
            free(cd->framebuffer);
        }
        AFREE(cd);
    } else {
        W("%s: No descriptor", __FUNCTION__);
    }
}

void
skin_keyboard_free( SkinKeyboard*  keyboard )
{
    if (keyboard) {
        AFREE(keyboard);
    }
}

char*
avdInfo_getKernelPath( AvdInfo*  i )
{
    const char* imageName = _imageFileNames[ AVD_IMAGE_KERNEL ];

    char*  kernelPath = _avdInfo_getContentOrSdkFilePath(i, imageName);

    if (kernelPath == NULL && i->inAndroidBuild) {
        /* When in the Android build, look into the prebuilt directory
         * for our target architecture.
         */
        char temp[PATH_MAX], *p = temp, *end = p + sizeof(temp);
        const char* suffix = "";
        char* abi;

        /* If the target ABI is armeabi-v7a, then look for
         * kernel-qemu-armv7 instead of kernel-qemu in the prebuilt
         * directory. */
        abi = path_getBuildTargetAbi(i->androidOut);
        if (!strcmp(abi,"armeabi-v7a")) {
            suffix = "-armv7";
        }
        AFREE(abi);

        p = bufprint(temp, end, "%s/prebuilts/qemu-kernel/%s/kernel-qemu%s",
                     i->androidBuildRoot, i->targetArch, suffix);
        if (p >= end || !path_exists(temp)) {
            derror("bad workspace: cannot find prebuilt kernel in: %s", temp);
            exit(1);
        }
        kernelPath = ASTRDUP(temp);
    }
    return kernelPath;
}

static Pipe*
pipe_load( PipeDevice* dev, QEMUFile* file )
{
    Pipe*              pipe;
    const PipeService* service = NULL;
    int   state = qemu_get_byte(file);
    uint32_t channel;

    if (state != 0) {
        
        char* name = qemu_get_string(file);
        if (name == NULL)
            return NULL;

        service = goldfish_pipe_find_type(name);
        if (service == NULL) {
            D("No QEMU pipe service named '%s'", name);
            AFREE(name);
            return NULL;
        }
    }

    channel = qemu_get_be32(file);
    pipe = pipe_new(channel, dev);
    pipe->wanted  = qemu_get_byte(file);
    pipe->closed  = qemu_get_byte(file);
    if (qemu_get_byte(file) != 0) {
        pipe->args = qemu_get_string(file);
    }

    pipe->service = service;
    if (service != NULL) {
        pipe->funcs = &service->funcs;
    }

    if (pipe->funcs->load) {
        pipe->opaque = pipe->funcs->load(pipe, service ? service->opaque : NULL, pipe->args, file);
        if (pipe->opaque == NULL) {
            AFREE(pipe);
            return NULL;
        }
    } else {
        
        pipe->closed = 1;
    }
    return pipe;
}

static void
zeroPipe_close( void* opaque )
{
    ZeroPipe*  zpipe = opaque;

    D("%s: hwpipe=%p", __FUNCTION__, zpipe->hwpipe);
    AFREE(zpipe);
}

/* Read a hardware.ini if it is located in the skin directory */
static int
_avdInfo_getBuildSkinHardwareIni( AvdInfo*  i )
{
    char* skinName;
    char* skinDirPath;

    avdInfo_getSkinInfo(i, &skinName, &skinDirPath);
    if (skinDirPath == NULL)
        return 0;

    int result = avdInfo_getSkinHardwareIni(i, skinName, skinDirPath);

    AFREE(skinName);
    AFREE(skinDirPath);

    return result;
}

void
skin_trackball_destroy ( SkinTrackBall*  ball )
{
    if (ball) {
        trackball_done(ball);
        AFREE(ball);
    }
}