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/*
* 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 MPlayer.
*
* MPlayer 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.
*
* MPlayer 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 MPlayer; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#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 "mpvcore/mp_msg.h"
#include "mpvcore/path.h"
#include "talloc.h"
#include "osdep/io.h"
#include "osdep/path.h"
typedef char *(*lookup_fun)(const char *);
static const lookup_fun config_lookup_functions[] = {
mp_find_user_config_file,
#ifdef CONFIG_COCOA
mp_get_macosx_bundled_path,
#endif
mp_find_global_config_file,
NULL
};
char *mp_find_config_file(const char *filename)
{
for (int i = 0; config_lookup_functions[i] != NULL; i++) {
char *path = config_lookup_functions[i](filename);
if (!path) continue;
if (mp_path_exists(path))
return path;
talloc_free(path);
}
return NULL;
}
char *mp_find_user_config_file(const char *filename)
{
char *homedir = getenv("MPV_HOME");
char *configdir = NULL;
char *result = NULL;
if (!homedir) {
#ifdef _WIN32
result = mp_get_win_config_path(filename);
#endif
homedir = getenv("HOME");
configdir = ".mpv";
}
if (!result && homedir) {
char *temp = mp_path_join(NULL, bstr0(homedir), bstr0(configdir));
result = mp_path_join(NULL, bstr0(temp), bstr0(filename));
talloc_free(temp);
}
mp_msg(MSGT_GLOBAL, MSGL_V, "mp_find_user_config_file('%s') -> '%s'\n",
filename ? filename : "(NULL)", result ? result : "(NULL)");
return result;
}
char *mp_find_global_config_file(const char *filename)
{
if (filename) {
return mp_path_join(NULL, bstr0(MPLAYER_CONFDIR), bstr0(filename));
} else {
return talloc_strdup(NULL, MPLAYER_CONFDIR);
}
}
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 = path + strlen(path);
if (root)
*root = (bstr){.start = (char *)path, .len = path - split};
return (char *)split;
}
char *mp_path_join(void *talloc_ctx, struct bstr p1, struct bstr p2)
{
if (p1.len == 0)
return bstrdup0(talloc_ctx, p2);
if (p2.len == 0)
return bstrdup0(talloc_ctx, p1);
#if HAVE_DOS_PATHS
if (p2.len >= 2 && p2.start[1] == ':'
|| p2.start[0] == '\\' || p2.start[0] == '/')
#else
if (p2.start[0] == '/')
#endif
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_getcwd(void *talloc_ctx)
{
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 mp_stat(path, &st) == 0;
}
bool mp_path_isdir(const char *path)
{
struct stat st;
return mp_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 < 0)
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;
}
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