mirror of
https://github.com/mpv-player/mpv
synced 2024-12-27 09:32:40 +00:00
69cc002c92
Avoiding conditional directives that split up parts of statements. Signed-off-by: wm4 <wm4@nowhere>
344 lines
9.9 KiB
C
344 lines
9.9 KiB
C
/*
|
|
* Get path to config dir/file.
|
|
*
|
|
* Return Values:
|
|
* Returns the pointer to the ALLOCATED buffer containing the
|
|
* zero terminated path string. This buffer has to be FREED
|
|
* by the caller.
|
|
*
|
|
* This file is part of mpv.
|
|
*
|
|
* mpv is free software; you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License as published by
|
|
* the Free Software Foundation; either version 2 of the License, or
|
|
* (at your option) any later version.
|
|
*
|
|
* mpv is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License along
|
|
* with mpv. If not, see <http://www.gnu.org/licenses/>.
|
|
*/
|
|
|
|
#include <assert.h>
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <string.h>
|
|
#include <stdbool.h>
|
|
#include <sys/types.h>
|
|
#include <sys/stat.h>
|
|
#include <unistd.h>
|
|
#include <errno.h>
|
|
|
|
#include "config.h"
|
|
|
|
#include "common/common.h"
|
|
#include "common/global.h"
|
|
#include "common/msg.h"
|
|
#include "options/options.h"
|
|
#include "options/path.h"
|
|
#include "talloc.h"
|
|
#include "osdep/io.h"
|
|
#include "osdep/path.h"
|
|
|
|
// In order of decreasing priority: the first has highest priority.
|
|
static const mp_get_platform_path_cb path_resolvers[] = {
|
|
#if HAVE_COCOA
|
|
mp_get_platform_path_osx,
|
|
#endif
|
|
#if !defined(_WIN32) || defined(__CYGWIN__)
|
|
mp_get_platform_path_unix,
|
|
#endif
|
|
#if defined(_WIN32)
|
|
mp_get_platform_path_win,
|
|
#endif
|
|
};
|
|
|
|
// from highest (most preferred) to lowest priority
|
|
static const char *const config_dirs[] = {
|
|
"home",
|
|
"old_home",
|
|
"osxbundle",
|
|
"global",
|
|
};
|
|
|
|
// Return a platform specific path using a path type as defined in osdep/path.h.
|
|
// Keep in mind that the only way to free the return value is freeing talloc_ctx
|
|
// (or its children), as this function can return a statically allocated string.
|
|
static const char *mp_get_platform_path(void *talloc_ctx,
|
|
struct mpv_global *global,
|
|
const char *type)
|
|
{
|
|
assert(talloc_ctx);
|
|
|
|
const char *force_configdir = getenv("MPV_HOME");
|
|
if (global->opts->force_configdir && global->opts->force_configdir[0])
|
|
force_configdir = global->opts->force_configdir;
|
|
if (!global->opts->load_config)
|
|
force_configdir = "";
|
|
if (force_configdir) {
|
|
for (int n = 0; n < MP_ARRAY_SIZE(config_dirs); n++) {
|
|
if (strcmp(config_dirs[n], type) == 0)
|
|
return (n == 0 && force_configdir[0]) ? force_configdir : NULL;
|
|
}
|
|
}
|
|
|
|
for (int n = 0; n < MP_ARRAY_SIZE(path_resolvers); n++) {
|
|
const char *path = path_resolvers[n](talloc_ctx, type);
|
|
if (path && path[0])
|
|
return path;
|
|
}
|
|
return NULL;
|
|
}
|
|
|
|
char *mp_find_user_config_file(void *talloc_ctx, struct mpv_global *global,
|
|
const char *filename)
|
|
{
|
|
void *tmp = talloc_new(NULL);
|
|
char *res = (char *)mp_get_platform_path(tmp, global, config_dirs[0]);
|
|
if (res)
|
|
res = mp_path_join(talloc_ctx, res, filename);
|
|
talloc_free(tmp);
|
|
MP_VERBOSE(global, "config path: '%s' -> '%s'\n", filename, res ? res : "-");
|
|
return res;
|
|
}
|
|
|
|
static char **mp_find_all_config_files_limited(void *talloc_ctx,
|
|
struct mpv_global *global,
|
|
int max_files,
|
|
const char *filename)
|
|
{
|
|
char **ret = talloc_array(talloc_ctx, char*, 2); // 2 preallocated
|
|
int num_ret = 0;
|
|
|
|
for (int i = 0; i < MP_ARRAY_SIZE(config_dirs); i++) {
|
|
const char *dir = mp_get_platform_path(ret, global, config_dirs[i]);
|
|
bstr s = bstr0(filename);
|
|
while (dir && num_ret < max_files && s.len) {
|
|
bstr fn;
|
|
bstr_split_tok(s, "|", &fn, &s);
|
|
|
|
char *file = mp_path_join_bstr(ret, bstr0(dir), fn);
|
|
if (mp_path_exists(file)) {
|
|
MP_VERBOSE(global, "config path: '%.*s' -> '%s'\n",
|
|
BSTR_P(fn), file);
|
|
MP_TARRAY_APPEND(NULL, ret, num_ret, file);
|
|
} else {
|
|
MP_VERBOSE(global, "config path: '%.*s' -/-> '%s'\n",
|
|
BSTR_P(fn), file);
|
|
}
|
|
}
|
|
}
|
|
|
|
MP_TARRAY_GROW(NULL, ret, num_ret);
|
|
ret[num_ret] = NULL;
|
|
|
|
for (int n = 0; n < num_ret / 2; n++)
|
|
MPSWAP(char*, ret[n], ret[num_ret - n - 1]);
|
|
return ret;
|
|
}
|
|
|
|
char **mp_find_all_config_files(void *talloc_ctx, struct mpv_global *global,
|
|
const char *filename)
|
|
{
|
|
return mp_find_all_config_files_limited(talloc_ctx, global, 64, filename);
|
|
}
|
|
|
|
char *mp_find_config_file(void *talloc_ctx, struct mpv_global *global,
|
|
const char *filename)
|
|
{
|
|
char **l = mp_find_all_config_files_limited(talloc_ctx, global, 1, filename);
|
|
char *r = l && l[0] ? talloc_steal(talloc_ctx, l[0]) : NULL;
|
|
talloc_free(l);
|
|
return r;
|
|
}
|
|
|
|
char *mp_get_user_path(void *talloc_ctx, struct mpv_global *global,
|
|
const char *path)
|
|
{
|
|
if (!path)
|
|
return NULL;
|
|
char *res = NULL;
|
|
bstr bpath = bstr0(path);
|
|
if (bstr_eatstart0(&bpath, "~")) {
|
|
// parse to "~" <prefix> "/" <rest>
|
|
bstr prefix, rest;
|
|
if (bstr_split_tok(bpath, "/", &prefix, &rest)) {
|
|
const char *rest0 = rest.start; // ok in this case
|
|
if (bstr_equals0(prefix, "~")) {
|
|
res = mp_find_config_file(talloc_ctx, global, rest0);
|
|
} else if (bstr_equals0(prefix, "")) {
|
|
res = mp_path_join_bstr(talloc_ctx, bstr0(getenv("HOME")), rest);
|
|
} else if (bstr_eatstart0(&prefix, "~")) {
|
|
void *tmp = talloc_new(NULL);
|
|
char type[80];
|
|
snprintf(type, sizeof(type), "%.*s", BSTR_P(prefix));
|
|
const char *p = mp_get_platform_path(tmp, global, type);
|
|
res = mp_path_join_bstr(talloc_ctx, bstr0(p), rest);
|
|
talloc_free(tmp);
|
|
}
|
|
}
|
|
}
|
|
if (!res)
|
|
res = talloc_strdup(talloc_ctx, path);
|
|
MP_VERBOSE(global, "user path: '%s' -> '%s'\n", path, res);
|
|
return res;
|
|
}
|
|
|
|
char *mp_basename(const char *path)
|
|
{
|
|
char *s;
|
|
|
|
#if HAVE_DOS_PATHS
|
|
s = strrchr(path, '\\');
|
|
if (s)
|
|
path = s + 1;
|
|
s = strrchr(path, ':');
|
|
if (s)
|
|
path = s + 1;
|
|
#endif
|
|
s = strrchr(path, '/');
|
|
return s ? s + 1 : (char *)path;
|
|
}
|
|
|
|
struct bstr mp_dirname(const char *path)
|
|
{
|
|
struct bstr ret = {
|
|
(uint8_t *)path, mp_basename(path) - path
|
|
};
|
|
if (ret.len == 0)
|
|
return bstr0(".");
|
|
return ret;
|
|
}
|
|
|
|
char *mp_splitext(const char *path, bstr *root)
|
|
{
|
|
assert(path);
|
|
const char *split = strrchr(path, '.');
|
|
if (!split || !split[1] || strchr(split, '/'))
|
|
return NULL;
|
|
if (root)
|
|
*root = (bstr){(char *)path, split - path};
|
|
return (char *)split + 1;
|
|
}
|
|
|
|
char *mp_path_join_bstr(void *talloc_ctx, struct bstr p1, struct bstr p2)
|
|
{
|
|
bool test;
|
|
if (p1.len == 0)
|
|
return bstrdup0(talloc_ctx, p2);
|
|
if (p2.len == 0)
|
|
return bstrdup0(talloc_ctx, p1);
|
|
|
|
#if HAVE_DOS_PATHS
|
|
test = (p2.len >= 2 && p2.start[1] == ':')
|
|
|| p2.start[0] == '\\' || p2.start[0] == '/';
|
|
#else
|
|
test = p2.start[0] == '/';
|
|
#endif
|
|
if (test)
|
|
return bstrdup0(talloc_ctx, p2); // absolute path
|
|
|
|
bool have_separator;
|
|
int endchar1 = p1.start[p1.len - 1];
|
|
#if HAVE_DOS_PATHS
|
|
have_separator = endchar1 == '/' || endchar1 == '\\'
|
|
|| (p1.len == 2 && endchar1 == ':'); // "X:" only
|
|
#else
|
|
have_separator = endchar1 == '/';
|
|
#endif
|
|
|
|
return talloc_asprintf(talloc_ctx, "%.*s%s%.*s", BSTR_P(p1),
|
|
have_separator ? "" : "/", BSTR_P(p2));
|
|
}
|
|
|
|
char *mp_path_join(void *talloc_ctx, const char *p1, const char *p2)
|
|
{
|
|
return mp_path_join_bstr(talloc_ctx, bstr0(p1), bstr0(p2));
|
|
}
|
|
|
|
char *mp_getcwd(void *talloc_ctx)
|
|
{
|
|
char *e_wd = getenv("PWD");
|
|
if (e_wd)
|
|
return talloc_strdup(talloc_ctx, e_wd);
|
|
|
|
char *wd = talloc_array(talloc_ctx, char, 20);
|
|
while (getcwd(wd, talloc_get_size(wd)) == NULL) {
|
|
if (errno != ERANGE) {
|
|
talloc_free(wd);
|
|
return NULL;
|
|
}
|
|
wd = talloc_realloc(talloc_ctx, wd, char, talloc_get_size(wd) * 2);
|
|
}
|
|
return wd;
|
|
}
|
|
|
|
bool mp_path_exists(const char *path)
|
|
{
|
|
struct stat st;
|
|
return path && stat(path, &st) == 0;
|
|
}
|
|
|
|
bool mp_path_isdir(const char *path)
|
|
{
|
|
struct stat st;
|
|
return stat(path, &st) == 0 && S_ISDIR(st.st_mode);
|
|
}
|
|
|
|
// Return false if it's considered a normal local filesystem path.
|
|
bool mp_is_url(bstr path)
|
|
{
|
|
int proto = bstr_find0(path, "://");
|
|
if (proto < 1)
|
|
return false;
|
|
// The protocol part must be alphanumeric, otherwise it's not an URL.
|
|
for (int i = 0; i < proto; i++) {
|
|
unsigned char c = path.start[i];
|
|
if (!(c >= 'a' && c <= 'z') && !(c >= 'A' && c <= 'Z') &&
|
|
!(c >= '0' && c <= '9') && c != '_')
|
|
return false;
|
|
}
|
|
return true;
|
|
}
|
|
|
|
// Return the protocol part of path, e.g. "http" if path is "http://...".
|
|
// On success, out_url (if not NULL) is set to the part after the "://".
|
|
bstr mp_split_proto(bstr path, bstr *out_url)
|
|
{
|
|
if (!mp_is_url(path))
|
|
return (bstr){0};
|
|
bstr r;
|
|
bstr_split_tok(path, "://", &r, out_url ? out_url : &(bstr){0});
|
|
return r;
|
|
}
|
|
|
|
void mp_mkdirp(const char *dir)
|
|
{
|
|
char *path = talloc_strdup(NULL, dir);
|
|
char *cdir = path + 1;
|
|
|
|
while (cdir) {
|
|
cdir = strchr(cdir, '/');
|
|
if (cdir)
|
|
*cdir = 0;
|
|
|
|
mkdir(path, 0700);
|
|
|
|
if (cdir)
|
|
*cdir++ = '/';
|
|
}
|
|
|
|
talloc_free(path);
|
|
}
|
|
|
|
void mp_mk_config_dir(struct mpv_global *global, char *subdir)
|
|
{
|
|
char *dir = mp_find_user_config_file(NULL, global, subdir);
|
|
if (dir)
|
|
mp_mkdirp(dir);
|
|
talloc_free(dir);
|
|
}
|