mirror of
https://github.com/mpv-player/mpv
synced 2024-12-27 09:32:40 +00:00
1d1d1fbff9
This allows configuring which options are saved by quit-watch-later. Fixes #4126, #4641 and #5567. Toggling a video or audio filter twice would treat the option as changed because the backup value is NULL, and the current value of vf/af is a list with one empty item, so obj_settings_list_equal had to be changed.
437 lines
14 KiB
C
437 lines
14 KiB
C
/*
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* This file is part of mpv.
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*
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* mpv is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* mpv is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with mpv. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include <errno.h>
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#include <stddef.h>
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#include <stdbool.h>
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <fcntl.h>
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#include <unistd.h>
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#include <utime.h>
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#include <libavutil/md5.h>
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#include "config.h"
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#include "mpv_talloc.h"
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#include "osdep/io.h"
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#include "common/global.h"
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#include "common/encode.h"
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#include "common/msg.h"
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#include "misc/ctype.h"
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#include "options/path.h"
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#include "options/m_config.h"
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#include "options/m_config_frontend.h"
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#include "options/parse_configfile.h"
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#include "common/playlist.h"
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#include "options/options.h"
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#include "options/m_property.h"
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#include "stream/stream.h"
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#include "core.h"
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#include "command.h"
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static void load_all_cfgfiles(struct MPContext *mpctx, char *section,
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char *filename)
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{
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char **cf = mp_find_all_config_files(NULL, mpctx->global, filename);
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for (int i = 0; cf && cf[i]; i++)
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m_config_parse_config_file(mpctx->mconfig, cf[i], section, 0);
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talloc_free(cf);
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}
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// This name is used in builtin.conf to force encoding defaults (like ao/vo).
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#define SECT_ENCODE "encoding"
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void mp_parse_cfgfiles(struct MPContext *mpctx)
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{
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struct MPOpts *opts = mpctx->opts;
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mp_mk_config_dir(mpctx->global, "");
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char *p1 = mp_get_user_path(NULL, mpctx->global, "~~home/");
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char *p2 = mp_get_user_path(NULL, mpctx->global, "~~old_home/");
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if (strcmp(p1, p2) != 0 && mp_path_exists(p2)) {
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MP_WARN(mpctx, "Warning, two config dirs found:\n %s (main)\n"
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" %s (bogus)\nYou should merge or delete the second one.\n",
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p1, p2);
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}
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talloc_free(p1);
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talloc_free(p2);
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char *section = NULL;
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bool encoding = opts->encode_opts &&
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opts->encode_opts->file && opts->encode_opts->file[0];
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// In encoding mode, we don't want to apply normal config options.
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// So we "divert" normal options into a separate section, and the diverted
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// section is never used - unless maybe it's explicitly referenced from an
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// encoding profile.
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if (encoding)
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section = "playback-default";
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load_all_cfgfiles(mpctx, NULL, "encoding-profiles.conf");
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load_all_cfgfiles(mpctx, section, "mpv.conf|config");
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if (encoding)
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m_config_set_profile(mpctx->mconfig, SECT_ENCODE, 0);
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}
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static int try_load_config(struct MPContext *mpctx, const char *file, int flags,
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int msgl)
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{
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if (!mp_path_exists(file))
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return 0;
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MP_MSG(mpctx, msgl, "Loading config '%s'\n", file);
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m_config_parse_config_file(mpctx->mconfig, file, NULL, flags);
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return 1;
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}
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// Set options file-local, and don't set them if the user set them via the
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// command line.
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#define FILE_LOCAL_FLAGS (M_SETOPT_BACKUP | M_SETOPT_PRESERVE_CMDLINE)
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static void mp_load_per_file_config(struct MPContext *mpctx)
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{
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struct MPOpts *opts = mpctx->opts;
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char *confpath;
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char cfg[512];
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const char *file = mpctx->filename;
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if (opts->use_filedir_conf) {
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if (snprintf(cfg, sizeof(cfg), "%s.conf", file) >= sizeof(cfg)) {
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MP_VERBOSE(mpctx, "Filename is too long, can not load file or "
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"directory specific config files\n");
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return;
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}
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char *name = mp_basename(cfg);
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bstr dir = mp_dirname(cfg);
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char *dircfg = mp_path_join_bstr(NULL, dir, bstr0("mpv.conf"));
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try_load_config(mpctx, dircfg, FILE_LOCAL_FLAGS, MSGL_INFO);
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talloc_free(dircfg);
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if (try_load_config(mpctx, cfg, FILE_LOCAL_FLAGS, MSGL_INFO))
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return;
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if ((confpath = mp_find_config_file(NULL, mpctx->global, name))) {
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try_load_config(mpctx, confpath, FILE_LOCAL_FLAGS, MSGL_INFO);
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talloc_free(confpath);
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}
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}
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}
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static void mp_auto_load_profile(struct MPContext *mpctx, char *category,
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bstr item)
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{
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if (!item.len)
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return;
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char t[512];
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snprintf(t, sizeof(t), "%s.%.*s", category, BSTR_P(item));
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m_profile_t *p = m_config_get_profile0(mpctx->mconfig, t);
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if (p) {
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MP_INFO(mpctx, "Auto-loading profile '%s'\n", t);
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m_config_set_profile(mpctx->mconfig, t, FILE_LOCAL_FLAGS);
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}
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}
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void mp_load_auto_profiles(struct MPContext *mpctx)
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{
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mp_auto_load_profile(mpctx, "protocol",
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mp_split_proto(bstr0(mpctx->filename), NULL));
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mp_auto_load_profile(mpctx, "extension",
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bstr0(mp_splitext(mpctx->filename, NULL)));
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mp_load_per_file_config(mpctx);
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}
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#define MP_WATCH_LATER_CONF "watch_later"
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static bool check_mtime(const char *f1, const char *f2)
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{
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struct stat st1, st2;
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if (stat(f1, &st1) != 0 || stat(f2, &st2) != 0)
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return false;
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return st1.st_mtime == st2.st_mtime;
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}
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static bool copy_mtime(const char *f1, const char *f2)
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{
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struct stat st1, st2;
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if (stat(f1, &st1) != 0 || stat(f2, &st2) != 0)
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return false;
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struct utimbuf ut = {
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.actime = st2.st_atime, // we want to pass this through intact
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.modtime = st1.st_mtime,
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};
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if (utime(f2, &ut) != 0)
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return false;
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return true;
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}
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static char *mp_get_playback_resume_config_filename(struct MPContext *mpctx,
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const char *fname)
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{
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struct MPOpts *opts = mpctx->opts;
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char *res = NULL;
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void *tmp = talloc_new(NULL);
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const char *realpath = fname;
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bstr bfname = bstr0(fname);
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if (!mp_is_url(bfname)) {
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if (opts->ignore_path_in_watch_later_config) {
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realpath = mp_basename(fname);
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} else {
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char *cwd = mp_getcwd(tmp);
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if (!cwd)
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goto exit;
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realpath = mp_path_join(tmp, cwd, fname);
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}
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}
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uint8_t md5[16];
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av_md5_sum(md5, realpath, strlen(realpath));
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char *conf = talloc_strdup(tmp, "");
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for (int i = 0; i < 16; i++)
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conf = talloc_asprintf_append(conf, "%02X", md5[i]);
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if (!mpctx->cached_watch_later_configdir) {
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char *wl_dir = mpctx->opts->watch_later_directory;
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if (wl_dir && wl_dir[0]) {
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mpctx->cached_watch_later_configdir =
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mp_get_user_path(mpctx, mpctx->global, wl_dir);
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}
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}
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if (!mpctx->cached_watch_later_configdir) {
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mpctx->cached_watch_later_configdir =
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mp_find_user_config_file(mpctx, mpctx->global, MP_WATCH_LATER_CONF);
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}
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if (mpctx->cached_watch_later_configdir)
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res = mp_path_join(NULL, mpctx->cached_watch_later_configdir, conf);
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exit:
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talloc_free(tmp);
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return res;
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}
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// Should follow what parser-cfg.c does/needs
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static bool needs_config_quoting(const char *s)
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{
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if (s[0] == '%')
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return true;
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for (int i = 0; s[i]; i++) {
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unsigned char c = s[i];
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if (!mp_isprint(c) || mp_isspace(c) || c == '#' || c == '\'' || c == '"')
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return true;
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}
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return false;
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}
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static void write_filename(struct MPContext *mpctx, FILE *file, char *filename)
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{
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if (mpctx->opts->write_filename_in_watch_later_config) {
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char write_name[1024] = {0};
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for (int n = 0; filename[n] && n < sizeof(write_name) - 1; n++)
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write_name[n] = (unsigned char)filename[n] < 32 ? '_' : filename[n];
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fprintf(file, "# %s\n", write_name);
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}
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}
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static void write_redirect(struct MPContext *mpctx, char *path)
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{
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char *conffile = mp_get_playback_resume_config_filename(mpctx, path);
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if (conffile) {
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FILE *file = fopen(conffile, "wb");
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if (file) {
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fprintf(file, "# redirect entry\n");
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write_filename(mpctx, file, path);
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fclose(file);
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}
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if (mpctx->opts->position_check_mtime &&
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!mp_is_url(bstr0(path)) && !copy_mtime(path, conffile))
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MP_WARN(mpctx, "Can't copy mtime from %s to %s\n", path, conffile);
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talloc_free(conffile);
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}
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}
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void mp_write_watch_later_conf(struct MPContext *mpctx)
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{
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struct playlist_entry *cur = mpctx->playing;
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char *conffile = NULL;
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if (!cur)
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goto exit;
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struct demuxer *demux = mpctx->demuxer;
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conffile = mp_get_playback_resume_config_filename(mpctx, cur->filename);
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if (!conffile)
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goto exit;
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mp_mk_config_dir(mpctx->global, mpctx->cached_watch_later_configdir);
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MP_INFO(mpctx, "Saving state.\n");
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FILE *file = fopen(conffile, "wb");
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if (!file)
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goto exit;
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write_filename(mpctx, file, cur->filename);
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double pos = get_current_time(mpctx);
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if ((demux && (!demux->seekable || demux->partially_seekable)) ||
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pos == MP_NOPTS_VALUE)
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{
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MP_INFO(mpctx, "Not seekable, or time unknown - not saving position.\n");
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} else {
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fprintf(file, "start=%f\n", pos);
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}
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char **watch_later_options = mpctx->opts->watch_later_options;
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for (int i = 0; watch_later_options && watch_later_options[i]; i++) {
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char *pname = watch_later_options[i];
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// Only store it if it's different from the initial value.
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if (m_config_watch_later_backup_opt_changed(mpctx->mconfig, pname)) {
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char *val = NULL;
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mp_property_do(pname, M_PROPERTY_GET_STRING, &val, mpctx);
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if (needs_config_quoting(val)) {
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// e.g. '%6%STRING'
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fprintf(file, "%s=%%%d%%%s\n", pname, (int)strlen(val), val);
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} else {
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fprintf(file, "%s=%s\n", pname, val);
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}
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talloc_free(val);
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}
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}
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fclose(file);
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if (mpctx->opts->position_check_mtime &&
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!mp_is_url(bstr0(cur->filename)) &&
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!copy_mtime(cur->filename, conffile))
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{
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MP_WARN(mpctx, "Can't copy mtime from %s to %s\n", cur->filename,
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conffile);
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}
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// This allows us to recursively resume directories etc., whose entries are
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// expanded the first time it's "played". For example, if "/a/b/c.mkv" is
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// the current entry, then we want to resume this file if the user does
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// "mpv /a". This would expand to the directory entries in "/a", and if
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// "/a/a.mkv" is not the first entry, this would be played.
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// Here, we write resume entries for "/a" and "/a/b".
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// (Unfortunately, this will leave stray resume files on resume, because
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// obviously it resumes only from one of those paths.)
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for (int n = 0; n < cur->num_redirects; n++)
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write_redirect(mpctx, cur->redirects[n]);
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// And at last, for local directories, we write an entry for each path
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// prefix, so the user can resume from an arbitrary directory. This starts
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// with the first redirect (all other redirects are further prefixes).
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if (cur->num_redirects) {
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char *path = cur->redirects[0];
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char tmp[4096];
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if (!mp_is_url(bstr0(path)) && strlen(path) < sizeof(tmp)) {
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snprintf(tmp, sizeof(tmp), "%s", path);
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for (;;) {
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bstr dir = mp_dirname(tmp);
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if (dir.len == strlen(tmp) || !dir.len || bstr_equals0(dir, "."))
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break;
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tmp[dir.len] = '\0';
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if (strlen(tmp) >= 2) // keep "/"
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mp_path_strip_trailing_separator(tmp);
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write_redirect(mpctx, tmp);
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}
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}
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}
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exit:
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talloc_free(conffile);
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}
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void mp_delete_watch_later_conf(struct MPContext *mpctx, const char *file)
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{
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if (!file) {
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struct playlist_entry *cur = mpctx->playing;
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if (!cur)
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return;
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file = cur->filename;
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if (!file)
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return;
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}
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char *fname = mp_get_playback_resume_config_filename(mpctx, file);
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if (fname)
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unlink(fname);
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talloc_free(fname);
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}
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void mp_load_playback_resume(struct MPContext *mpctx, const char *file)
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{
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if (!mpctx->opts->position_resume)
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return;
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char *fname = mp_get_playback_resume_config_filename(mpctx, file);
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if (fname && mp_path_exists(fname)) {
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if (mpctx->opts->position_check_mtime &&
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!mp_is_url(bstr0(file)) && !check_mtime(file, fname))
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{
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talloc_free(fname);
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return;
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}
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// Never apply the saved start position to following files
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m_config_backup_opt(mpctx->mconfig, "start");
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MP_INFO(mpctx, "Resuming playback. This behavior can "
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"be disabled with --no-resume-playback.\n");
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try_load_config(mpctx, fname, M_SETOPT_PRESERVE_CMDLINE, MSGL_V);
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unlink(fname);
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}
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talloc_free(fname);
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}
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// Returns the first file that has a resume config.
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// Compared to hashing the playlist file or contents and managing separate
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// resume file for them, this is simpler, and also has the nice property
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// that appending to a playlist doesn't interfere with resuming (especially
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// if the playlist comes from the command line).
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struct playlist_entry *mp_check_playlist_resume(struct MPContext *mpctx,
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struct playlist *playlist)
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{
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if (!mpctx->opts->position_resume)
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return NULL;
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for (int n = 0; n < playlist->num_entries; n++) {
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struct playlist_entry *e = playlist->entries[n];
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char *conf = mp_get_playback_resume_config_filename(mpctx, e->filename);
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bool exists = conf && mp_path_exists(conf);
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talloc_free(conf);
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if (exists)
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return e;
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}
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return NULL;
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}
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