mirror of
https://github.com/mpv-player/mpv
synced 2024-12-22 23:02:37 +00:00
c4f39d2aba
We certainly don't use the mplayer configuration dir. The name didn't matter, but now that it's in user-visible output (as part of config.h being dumped in verbose mode), it's a bit too strange.
343 lines
8.8 KiB
C
343 lines
8.8 KiB
C
/*
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* Get path to config dir/file.
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*
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* Return Values:
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* Returns the pointer to the ALLOCATED buffer containing the
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* zero terminated path string. This buffer has to be FREED
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* by the caller.
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*
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* This file is part of MPlayer.
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*
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* MPlayer is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* MPlayer 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 General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with MPlayer; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#include <assert.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.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 <unistd.h>
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#include <errno.h>
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#include "config.h"
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#include "common/common.h"
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#include "common/global.h"
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#include "common/msg.h"
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#include "options/options.h"
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#include "options/path.h"
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#include "talloc.h"
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#include "osdep/io.h"
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#include "osdep/path.h"
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#if !defined(_WIN32) || defined(__CYGWIN__)
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static int mp_add_xdg_config_dirs(struct mpv_global *global, char **dirs, int i)
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{
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void *talloc_ctx = dirs;
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char *home = getenv("HOME");
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char *tmp = NULL;
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char *xdg_home = NULL;
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tmp = getenv("XDG_CONFIG_HOME");
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if (tmp && *tmp)
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xdg_home = talloc_asprintf(talloc_ctx, "%s/mpv", tmp);
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else if (home && *home)
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xdg_home = talloc_asprintf(talloc_ctx, "%s/.config/mpv", home);
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// Maintain compatibility with old ~/.mpv
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char *old_home = NULL;
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if (home && *home)
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old_home = talloc_asprintf(talloc_ctx, "%s/.mpv", home);
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// If the old ~/.mpv exists, and the XDG config dir doesn't, use the old
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// config dir only.
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if (mp_path_exists(xdg_home) || !mp_path_exists(old_home))
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dirs[i++] = xdg_home;
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dirs[i++] = old_home;
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#if HAVE_COCOA
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i = mp_add_macosx_bundle_dir(global, dirs, i);
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#endif
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dirs[i++] = MPV_CONFDIR;
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return i;
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}
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#endif
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// Return NULL-terminated array of config directories, from highest to lowest
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// priority
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static char **mp_config_dirs(void *talloc_ctx, struct mpv_global *global)
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{
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struct MPOpts *opts = global->opts;
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char **ret = talloc_zero_array(talloc_ctx, char*, MAX_CONFIG_PATHS);
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if (!opts->load_config)
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return ret;
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if (opts->force_configdir && opts->force_configdir[0]) {
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ret[0] = talloc_strdup(ret, opts->force_configdir);
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return ret;
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}
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const char *tmp = NULL;
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int i = 0;
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tmp = getenv("MPV_HOME");
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if (tmp && *tmp)
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ret[i++] = talloc_strdup(ret, tmp);
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#if defined(_WIN32) && !defined(__CYGWIN__)
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i = mp_add_win_config_dirs(global, ret, i);
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#else
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i = mp_add_xdg_config_dirs(global, ret, i);
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#endif
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MP_VERBOSE(global, "search dirs:");
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for (char **c = ret; *c; c++)
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MP_VERBOSE(global, " %s", *c);
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MP_VERBOSE(global, "\n");
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return ret;
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}
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char *mp_find_config_file(void *talloc_ctx, struct mpv_global *global,
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const char *filename)
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{
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char *res = NULL;
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char **dirs = mp_config_dirs(NULL, global);
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for (int i = 0; dirs && dirs[i]; i++) {
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char *file = talloc_asprintf(talloc_ctx, "%s/%s", dirs[i], filename);
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if (mp_path_exists(file)) {
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res = file;
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break;
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}
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talloc_free(file);
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}
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talloc_free(dirs);
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MP_VERBOSE(global, "config path: '%s' -> '%s'\n", filename,
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res ? res : "(NULL)");
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return res;
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}
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char **mp_find_all_config_files(void *talloc_ctx, struct mpv_global *global,
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const char *filename)
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{
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char **ret = talloc_zero_array(talloc_ctx, char*, MAX_CONFIG_PATHS + 1);
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int num_ret = 0;
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char **dirs = mp_config_dirs(NULL, global);
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for (int i = 0; dirs && dirs[i]; i++) {
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char *file = talloc_asprintf(ret, "%s/%s", dirs[i], filename);
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if (!mp_path_exists(file) || num_ret >= MAX_CONFIG_PATHS)
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continue;
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ret[num_ret++] = file;
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}
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talloc_free(dirs);
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for (int n = 0; n < num_ret / 2; n++)
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MPSWAP(char*, ret[n], ret[num_ret - n - 1]);
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MP_VERBOSE(global, "config file: '%s'\n", filename);
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for (char** c = ret; *c; c++)
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MP_VERBOSE(global, " -> '%s'\n", *c);
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return ret;
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}
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char *mp_get_user_path(void *talloc_ctx, struct mpv_global *global,
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const char *path)
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{
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if (!path)
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return NULL;
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char *res = NULL;
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bstr bpath = bstr0(path);
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if (bstr_eatstart0(&bpath, "~")) {
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// parse to "~" <prefix> "/" <rest>
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bstr prefix, rest;
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if (bstr_split_tok(bpath, "/", &prefix, &rest)) {
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const char *rest0 = rest.start; // ok in this case
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if (bstr_equals0(prefix, "~")) {
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res = mp_find_config_file(talloc_ctx, global, rest0);
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} else if (bstr_equals0(prefix, "")) {
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res = mp_path_join(talloc_ctx, bstr0(getenv("HOME")), rest);
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}
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}
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}
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if (!res)
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res = talloc_strdup(talloc_ctx, path);
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MP_VERBOSE(global, "user path: '%s' -> '%s'\n", path, res);
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return res;
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}
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char *mp_basename(const char *path)
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{
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char *s;
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#if HAVE_DOS_PATHS
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s = strrchr(path, '\\');
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if (s)
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path = s + 1;
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s = strrchr(path, ':');
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if (s)
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path = s + 1;
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#endif
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s = strrchr(path, '/');
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return s ? s + 1 : (char *)path;
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}
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struct bstr mp_dirname(const char *path)
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{
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struct bstr ret = {
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(uint8_t *)path, mp_basename(path) - path
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};
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if (ret.len == 0)
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return bstr0(".");
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return ret;
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}
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char *mp_splitext(const char *path, bstr *root)
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{
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assert(path);
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const char *split = strrchr(path, '.');
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if (!split || !split[1] || strchr(split, '/'))
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return NULL;
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if (root)
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*root = (bstr){(char *)path, split - path};
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return (char *)split + 1;
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}
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char *mp_path_join(void *talloc_ctx, struct bstr p1, struct bstr p2)
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{
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if (p1.len == 0)
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return bstrdup0(talloc_ctx, p2);
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if (p2.len == 0)
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return bstrdup0(talloc_ctx, p1);
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#if HAVE_DOS_PATHS
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if (p2.len >= 2 && p2.start[1] == ':'
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|| p2.start[0] == '\\' || p2.start[0] == '/')
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#else
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if (p2.start[0] == '/')
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#endif
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return bstrdup0(talloc_ctx, p2); // absolute path
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bool have_separator;
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int endchar1 = p1.start[p1.len - 1];
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#if HAVE_DOS_PATHS
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have_separator = endchar1 == '/' || endchar1 == '\\'
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|| p1.len == 2 && endchar1 == ':'; // "X:" only
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#else
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have_separator = endchar1 == '/';
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#endif
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return talloc_asprintf(talloc_ctx, "%.*s%s%.*s", BSTR_P(p1),
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have_separator ? "" : "/", BSTR_P(p2));
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}
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char *mp_getcwd(void *talloc_ctx)
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{
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char *wd = talloc_array(talloc_ctx, char, 20);
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while (getcwd(wd, talloc_get_size(wd)) == NULL) {
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if (errno != ERANGE) {
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talloc_free(wd);
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return NULL;
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}
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wd = talloc_realloc(talloc_ctx, wd, char, talloc_get_size(wd) * 2);
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}
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return wd;
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}
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bool mp_path_exists(const char *path)
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{
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struct stat st;
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return path && stat(path, &st) == 0;
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}
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bool mp_path_isdir(const char *path)
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{
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struct stat st;
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return stat(path, &st) == 0 && S_ISDIR(st.st_mode);
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}
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// Return false if it's considered a normal local filesystem path.
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bool mp_is_url(bstr path)
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{
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int proto = bstr_find0(path, "://");
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if (proto < 1)
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return false;
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// The protocol part must be alphanumeric, otherwise it's not an URL.
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for (int i = 0; i < proto; i++) {
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unsigned char c = path.start[i];
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if (!(c >= 'a' && c <= 'z') && !(c >= 'A' && c <= 'Z') &&
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!(c >= '0' && c <= '9') && c != '_')
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return false;
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}
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return true;
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}
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// Return the protocol part of path, e.g. "http" if path is "http://...".
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// On success, out_url (if not NULL) is set to the part after the "://".
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bstr mp_split_proto(bstr path, bstr *out_url)
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{
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if (!mp_is_url(path))
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return (bstr){0};
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bstr r;
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bstr_split_tok(path, "://", &r, out_url ? out_url : &(bstr){0});
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return r;
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}
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void mp_mkdirp(const char *dir)
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{
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char *path = talloc_strdup(NULL, dir);
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char *cdir = path + 1;
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while (cdir) {
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cdir = strchr(cdir, '/');
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if (cdir)
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*cdir = 0;
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mkdir(path, 0700);
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if (cdir)
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*cdir++ = '/';
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}
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talloc_free(path);
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}
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void mp_mk_config_dir(struct mpv_global *global, char *subdir)
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{
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void *tmp = talloc_new(NULL);
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char *dir = mp_config_dirs(tmp, global)[0];
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if (dir) {
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dir = talloc_asprintf(tmp, "%s/%s", dir, subdir);
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mp_mkdirp(dir);
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}
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talloc_free(tmp);
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}
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