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https://github.com/hyprwm/wlroots-hyprland.git
synced 2024-11-12 16:35:58 +01:00
util/uuid: replace with util/token, remove libuuid
Use 128-bit hexadecimal string tokens generated with /dev/urandom instead of UUIDs for xdg-foreign handles, removing the libuuid dependency. Update readme and CI. Closes #2830. build: remove xdg-foreign feature With no external dependencies required, there's no reason not to always build it. Remove WLR_HAS_XDG_FOREIGN as well.
This commit is contained in:
parent
5a178c4a23
commit
b29ac8fbac
14 changed files with 44 additions and 81 deletions
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@ -7,7 +7,6 @@ packages:
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- mesa-dev
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- meson
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- pixman-dev
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- util-linux-dev
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- wayland-dev
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- wayland-protocols
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- xcb-util-image-dev
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@ -10,7 +10,6 @@ packages:
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- graphics/png
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- graphics/wayland
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- graphics/wayland-protocols
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- misc/e2fsprogs-libuuid
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- multimedia/ffmpeg
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- x11/libX11
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- x11/libinput
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@ -51,7 +51,6 @@ Install dependencies:
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* udev
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* pixman
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* libseat (optional, for (e)logind and seatd support)
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* libuuid (optional, for xdg-foreign support)
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If you choose to enable X11 support:
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@ -9,13 +9,6 @@ if not features.get('xwayland')
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else
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subdir('xwayland')
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endif
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if not features.get('xdg-foreign')
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exclude_files += [
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'types/wlr_xdg_foreign_v1.h',
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'types/wlr_xdg_foreign_v2.h',
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'types/wlr_xdg_foreign_registry.h',
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]
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endif
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install_subdir('wlr',
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install_dir: get_option('includedir'),
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9
include/util/token.h
Normal file
9
include/util/token.h
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@ -0,0 +1,9 @@
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#ifndef UTIL_TOKEN_H
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#define UTIL_TOKEN_H
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#include <stdbool.h>
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#define TOKEN_STRLEN 33
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bool generate_token(char out[static TOKEN_STRLEN]);
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#endif
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@ -1,8 +0,0 @@
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#ifndef UTIL_UUID_H
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#define UTIL_UUID_H
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#include <stdbool.h>
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bool generate_uuid(char out[static 37]);
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#endif
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@ -7,6 +7,4 @@
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#mesondefine WLR_HAS_XWAYLAND
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#mesondefine WLR_HAS_XDG_FOREIGN
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#endif
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11
meson.build
11
meson.build
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@ -84,7 +84,6 @@ features = {
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'libseat': false,
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'x11-backend': false,
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'xwayland': false,
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'xdg-foreign': false,
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}
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internal_features = {
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'xcb-errors': false,
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@ -104,16 +103,6 @@ pixman = dependency('pixman-1')
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math = cc.find_library('m')
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rt = cc.find_library('rt')
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if not get_option('xdg-foreign').disabled()
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uuid = dependency('uuid', required: false)
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uuid_create = cc.has_function('uuid_create')
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if uuid.found() or uuid_create
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features += { 'xdg-foreign': true }
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elif get_option('xdg-foreign').enabled()
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error('Missing dependency uuid and uuid_create function not available ' +
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'cannot build with xdg-foreign support')
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endif
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endif
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wlr_files = []
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wlr_deps = [
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@ -4,4 +4,3 @@ option('xwayland', type: 'feature', value: 'auto', yield: true, description: 'En
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option('x11-backend', type: 'feature', value: 'auto', description: 'Enable X11 backend')
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option('examples', type: 'boolean', value: true, description: 'Build example applications')
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option('icon_directory', description: 'Location used to look for cursors (default: ${datadir}/icons)', type: 'string', value: '')
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option('xdg-foreign', type: 'feature', value: 'auto', description: 'Enable xdg-foreign protocol')
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@ -63,13 +63,9 @@ wlr_files += files(
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'wlr_virtual_pointer_v1.c',
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'wlr_xcursor_manager.c',
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'wlr_xdg_decoration_v1.c',
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'wlr_xdg_foreign_v1.c',
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'wlr_xdg_foreign_v2.c',
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'wlr_xdg_foreign_registry.c',
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'wlr_xdg_output_v1.c',
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)
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if features.get('xdg-foreign')
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wlr_files += files(
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'wlr_xdg_foreign_v1.c',
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'wlr_xdg_foreign_v2.c',
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'wlr_xdg_foreign_registry.c',
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)
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endif
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@ -1,6 +1,6 @@
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#include <wlr/types/wlr_xdg_foreign_registry.h>
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#include "util/signal.h"
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#include "util/uuid.h"
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#include "util/token.h"
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#include <assert.h>
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#include <stdlib.h>
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#include <string.h>
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@ -9,7 +9,7 @@ bool wlr_xdg_foreign_exported_init(
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struct wlr_xdg_foreign_exported *exported,
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struct wlr_xdg_foreign_registry *registry) {
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do {
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if (!generate_uuid(exported->handle)) {
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if (!generate_token(exported->handle)) {
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return false;
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}
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} while (wlr_xdg_foreign_registry_find_by_handle(registry, exported->handle) != NULL);
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@ -6,11 +6,6 @@ wlr_files += files(
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'shm.c',
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'signal.c',
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'time.c',
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'token.c',
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)
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if features.get('xdg-foreign')
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add_project_arguments('-DHAS_LIBUUID=@0@'.format(uuid.found().to_int()), language: 'c')
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wlr_deps += uuid
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wlr_files += files('uuid.c')
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endif
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29
util/token.c
Normal file
29
util/token.c
Normal file
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@ -0,0 +1,29 @@
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#include "util/token.h"
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#include "wlr/util/log.h"
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#include <inttypes.h>
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#include <stdint.h>
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#include <stdio.h>
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#include <string.h>
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bool generate_token(char out[static TOKEN_STRLEN]) {
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static FILE *urandom = NULL;
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uint64_t data[2];
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if (!urandom) {
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if (!(urandom = fopen("/dev/urandom", "r"))) {
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wlr_log_errno(WLR_ERROR, "Failed to open random device");
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return false;
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}
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}
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if (fread(data, sizeof(data), 1, urandom) != 1) {
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wlr_log_errno(WLR_ERROR, "Failed to read from random device");
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return false;
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}
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if (snprintf(out, TOKEN_STRLEN, "%016" PRIx64 "%016" PRIx64, data[0], data[1]) != TOKEN_STRLEN - 1) {
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wlr_log_errno(WLR_ERROR, "Failed to format hex string token");
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return false;
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}
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return true;
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}
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34
util/uuid.c
34
util/uuid.c
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@ -1,34 +0,0 @@
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#include <uuid.h>
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#include "util/uuid.h"
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#if HAS_LIBUUID
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bool generate_uuid(char out[static 37]) {
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uuid_t uuid;
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uuid_generate_random(uuid);
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uuid_unparse(uuid, out);
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return true;
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}
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#else
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#include <assert.h>
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#include <string.h>
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#include <stdlib.h>
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bool generate_uuid(char out[static 37]) {
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uuid_t uuid;
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uint32_t status;
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uuid_create(&uuid, &status);
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if (status != uuid_s_ok) {
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return false;
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}
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char *str;
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uuid_to_string(&uuid, &str, &status);
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if (status != uuid_s_ok) {
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return false;
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}
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assert(strlen(str) + 1 == 37);
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memcpy(out, str, 37);
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free(str);
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return true;
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}
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#endif
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