mirror of
https://github.com/mpv-player/mpv
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42299ed868
Global config files should be loaded only when --no-config is missing _and_ --config-dir is not set.
295 lines
8.2 KiB
C
295 lines
8.2 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/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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typedef char *(*lookup_fun)(void *tctx, struct mpv_global *global, const char *);
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static const lookup_fun config_lookup_functions[] = {
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mp_find_user_config_file,
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#if HAVE_COCOA
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mp_get_macosx_bundled_path,
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#endif
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mp_find_global_config_file,
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NULL
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};
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#define STRNULL(s) ((s) ? (s) : "(NULL)")
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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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struct MPOpts *opts = global->opts;
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char *res = NULL;
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if (opts->load_config) {
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if (opts->force_configdir && opts->force_configdir[0]) {
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// Always force the local config dir.
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res = mp_find_user_config_file(talloc_ctx, global, filename);
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} else {
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for (int i = 0; config_lookup_functions[i] != NULL; i++) {
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res = config_lookup_functions[i](talloc_ctx, global, filename);
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if (!res)
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continue;
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if (mp_path_exists(res))
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break;
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talloc_free(res);
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res = NULL;
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}
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}
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}
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MP_VERBOSE(global, "any config path: '%s' -> '%s'\n", STRNULL(filename),
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STRNULL(res));
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return res;
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}
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char *mp_find_user_config_file(void *talloc_ctx, struct mpv_global *global,
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const char *filename)
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{
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struct MPOpts *opts = global->opts;
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char *res = NULL;
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if (opts->load_config) {
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if (opts->force_configdir && opts->force_configdir[0]) {
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res = mp_path_join(talloc_ctx, bstr0(opts->force_configdir),
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bstr0(filename));
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} else {
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char *homedir = getenv("MPV_HOME");
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char *configdir = NULL;
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if (!homedir) {
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#ifdef _WIN32
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res = talloc_steal(talloc_ctx, mp_get_win_config_path(filename));
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#endif
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homedir = getenv("HOME");
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configdir = ".mpv";
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}
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if (!res && homedir) {
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char *temp = mp_path_join(NULL, bstr0(homedir), bstr0(configdir));
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res = mp_path_join(talloc_ctx, bstr0(temp), bstr0(filename));
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talloc_free(temp);
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}
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}
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}
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MP_VERBOSE(global, "user config path: '%s' -> '%s'\n", STRNULL(filename),
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STRNULL(res));
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return res;
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}
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char *mp_find_global_config_file(void *talloc_ctx, struct mpv_global *global,
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const char *filename)
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{
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struct MPOpts *opts = global->opts;
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char *res = NULL;
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if (opts->load_config && !(opts->force_configdir && opts->force_configdir[0]))
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{
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if (filename) {
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res = mp_path_join(talloc_ctx, bstr0(MPLAYER_CONFDIR), bstr0(filename));
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} else {
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res = talloc_strdup(talloc_ctx, MPLAYER_CONFDIR);
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}
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}
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MP_VERBOSE(global, "global config path: '%s' -> '%s'\n", STRNULL(filename),
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STRNULL(res));
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return res;
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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_user_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 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_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 *confdir = mp_find_user_config_file(tmp, global, "");
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if (confdir) {
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if (subdir)
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confdir = mp_path_join(tmp, bstr0(confdir), bstr0(subdir));
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mkdir(confdir, 0777);
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}
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talloc_free(tmp);
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}
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