mirror of
https://github.com/mpv-player/mpv
synced 2024-12-22 06:42:03 +00:00
0835e093e2
Don't worry, your ~/.config/... paths are safe. This merely removes handling of $XDG_CONFIG_DIRS for global paths. Maybe there is a better solution for this, like still including the "traditional" config dir. But I will leave the fine reading of this (crappy) spec and fixing the code accordingly to someone else. So, if anyone has interest in getting this behavior back, you will have to write a patch. This patch should _also_ not break expected behavior. Fixes #1060.
341 lines
8.8 KiB
C
341 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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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++] = MPLAYER_CONFDIR;
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return i;
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}
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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 && mp_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 mp_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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