mpv/path.c

231 lines
6.0 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 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 <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <stdbool.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <unistd.h>
#include "config.h"
#include "mp_msg.h"
#include "path.h"
#ifdef CONFIG_MACOSX_BUNDLE
#include <CoreFoundation/CoreFoundation.h>
#include <unistd.h>
#elif defined(__MINGW32__)
#include <windows.h>
#elif defined(__CYGWIN__)
#include <windows.h>
#include <sys/cygwin.h>
#endif
#include "talloc.h"
#include "osdep/io.h"
char *get_path(const char *filename){
char *homedir;
char *buff;
#ifdef __MINGW32__
static char *config_dir = "/mplayer";
#else
static char *config_dir = "/.mplayer";
#endif
#if defined(__MINGW32__) || defined(__CYGWIN__)
char exedir[260];
#endif
int len;
#ifdef CONFIG_MACOSX_BUNDLE
struct stat dummy;
CFIndex maxlen=256;
CFURLRef res_url_ref=NULL;
CFURLRef bdl_url_ref=NULL;
char *res_url_path = NULL;
char *bdl_url_path = NULL;
#endif
if ((homedir = getenv("MPLAYER_HOME")) != NULL)
config_dir = "";
else if ((homedir = getenv("HOME")) == NULL)
#if defined(__MINGW32__) || defined(__CYGWIN__)
/* Hack to get fonts etc. loaded outside of Cygwin environment. */
{
int i,imax=0;
len = (int)GetModuleFileNameA(NULL, exedir, 260);
for (i=0; i < len; i++)
if (exedir[i] =='\\')
{exedir[i]='/'; imax=i;}
exedir[imax]='\0';
homedir = exedir;
}
#else
return NULL;
#endif
len = strlen(homedir) + strlen(config_dir) + 1;
if (filename == NULL) {
if ((buff = malloc(len)) == NULL)
return NULL;
sprintf(buff, "%s%s", homedir, config_dir);
} else {
len += strlen(filename) + 1;
if ((buff = malloc(len)) == NULL)
return NULL;
sprintf(buff, "%s%s/%s", homedir, config_dir, filename);
}
#ifdef CONFIG_MACOSX_BUNDLE
if (stat(buff, &dummy)) {
res_url_ref=CFBundleCopyResourcesDirectoryURL(CFBundleGetMainBundle());
bdl_url_ref=CFBundleCopyBundleURL(CFBundleGetMainBundle());
if (res_url_ref&&bdl_url_ref) {
res_url_path=malloc(maxlen);
bdl_url_path=malloc(maxlen);
while (!CFURLGetFileSystemRepresentation(res_url_ref, true, res_url_path, maxlen)) {
maxlen*=2;
res_url_path=realloc(res_url_path, maxlen);
}
CFRelease(res_url_ref);
while (!CFURLGetFileSystemRepresentation(bdl_url_ref, true, bdl_url_path, maxlen)) {
maxlen*=2;
bdl_url_path=realloc(bdl_url_path, maxlen);
}
CFRelease(bdl_url_ref);
if (strcmp(res_url_path, bdl_url_path) == 0)
res_url_path = NULL;
}
if (res_url_path&&filename) {
if ((strlen(filename)+strlen(res_url_path)+2)>maxlen) {
maxlen=strlen(filename)+strlen(res_url_path)+2;
}
free(buff);
buff = malloc(maxlen);
strcpy(buff, res_url_path);
strcat(buff,"/");
strcat(buff, filename);
}
}
#endif
mp_msg(MSGT_GLOBAL,MSGL_V,"get_path('%s') -> '%s'\n",filename,buff);
return buff;
}
#if (defined(__MINGW32__) || defined(__CYGWIN__)) && defined(CONFIG_WIN32DLL)
void set_path_env(void)
{
/*make our codec dirs available for LoadLibraryA()*/
char win32path[MAX_PATH];
#ifdef __CYGWIN__
cygwin_conv_to_full_win32_path(BINARY_CODECS_PATH, win32path);
#else /*__CYGWIN__*/
/* Expand to absolute path unless it's already absolute */
if (!strstr(BINARY_CODECS_PATH,":") && BINARY_CODECS_PATH[0] != '\\') {
GetModuleFileNameA(NULL, win32path, MAX_PATH);
strcpy(strrchr(win32path, '\\') + 1, BINARY_CODECS_PATH);
}
else strcpy(win32path, BINARY_CODECS_PATH);
#endif /*__CYGWIN__*/
mp_msg(MSGT_WIN32, MSGL_V, "Setting PATH to %s\n", win32path);
if (!SetEnvironmentVariableA("PATH", win32path))
mp_msg(MSGT_WIN32, MSGL_WARN, "Cannot set PATH!");
}
#endif /* (defined(__MINGW32__) || defined(__CYGWIN__)) && defined(CONFIG_WIN32DLL) */
char *codec_path = BINARY_CODECS_PATH;
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_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));
}
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);
}