--- /dev/null
+/*****************************************************************************
+ * filesystem.c: File system helpers
+ *****************************************************************************
+ * Copyright (C) 2005-2006 the VideoLAN team
+ * Copyright © 2005-2008 Rémi Denis-Courmont
+ *
+ * Authors: Rémi Denis-Courmont <rem # videolan.org>
+ *
+ * This program 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.
+ *
+ * This program 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 this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
+ *****************************************************************************/
+
+/*****************************************************************************
+ * Preamble
+ *****************************************************************************/
+#ifdef HAVE_CONFIG_H
+# include "config.h"
+#endif
+
+#include <vlc_common.h>
+#include <vlc_charset.h>
+#include "libvlc.h" /* utf8_mkdir */
+
+#include <assert.h>
+
+#include <stdio.h>
+#include <errno.h>
+#include <sys/types.h>
+#ifdef HAVE_DIRENT_H
+# include <dirent.h>
+#endif
+#ifdef UNDER_CE
+# include <tchar.h>
+#endif
+#ifdef HAVE_SYS_STAT_H
+# include <sys/stat.h>
+#endif
+#ifdef HAVE_FCNTL_H
+# include <fcntl.h>
+#endif
+#ifdef WIN32
+# include <io.h>
+#else
+# include <unistd.h>
+#endif
+
+#ifndef HAVE_LSTAT
+# define lstat( a, b ) stat(a, b)
+#endif
+
+#ifdef __APPLE__
+/* Define this if the OS always use UTF-8 internally */
+# define ASSUME_UTF8 1
+#endif
+
+#if defined (ASSUME_UTF8)
+/* Cool */
+#elif defined (WIN32) || defined (UNDER_CE)
+# define USE_MB2MB 1
+#elif defined (HAVE_ICONV)
+# define USE_ICONV 1
+#else
+# error No UTF8 charset conversion implemented on this platform!
+#endif
+
+/**
+ * Opens a system file handle.
+ *
+ * @param filename file path to open (with UTF-8 encoding)
+ * @param flags open() flags, see the C library open() documentation
+ * @param mode file permissions if creating a new file
+ * @return a file handle on success, -1 on error (see errno).
+ */
+int utf8_open (const char *filename, int flags, mode_t mode)
+{
+#ifdef UNDER_CE
+ /*_open translates to wchar internally on WinCE*/
+ return _open (filename, flags, mode);
+#elif defined (WIN32)
+ /* for Windows NT and above */
+ wchar_t wpath[MAX_PATH + 1];
+
+ if (!MultiByteToWideChar (CP_UTF8, 0, filename, -1, wpath, MAX_PATH))
+ {
+ errno = ENOENT;
+ return -1;
+ }
+ wpath[MAX_PATH] = L'\0';
+
+ /*
+ * open() cannot open files with non-“ANSI” characters on Windows.
+ * We use _wopen() instead. Same thing for mkdir() and stat().
+ */
+ return _wopen (wpath, flags, mode);
+
+#endif
+ const char *local_name = ToLocale (filename);
+
+ if (local_name == NULL)
+ {
+ errno = ENOENT;
+ return -1;
+ }
+
+ int fd = open (local_name, flags, mode);
+ LocaleFree (local_name);
+ return fd;
+}
+
+/**
+ * Opens a FILE pointer.
+ * @param filename file path, using UTF-8 encoding
+ * @param mode fopen file open mode
+ * @return NULL on error, an open FILE pointer on success.
+ */
+FILE *utf8_fopen (const char *filename, const char *mode)
+{
+ int rwflags = 0, oflags = 0;
+ bool append = false;
+
+ for (const char *ptr = mode; *ptr; ptr++)
+ {
+ switch (*ptr)
+ {
+ case 'r':
+ rwflags = O_RDONLY;
+ break;
+
+ case 'a':
+ rwflags = O_WRONLY;
+ oflags |= O_CREAT;
+ append = true;
+ break;
+
+ case 'w':
+ rwflags = O_WRONLY;
+ oflags |= O_CREAT | O_TRUNC;
+ break;
+
+ case '+':
+ rwflags = O_RDWR;
+ break;
+
+#ifdef O_TEXT
+ case 't':
+ oflags |= O_TEXT;
+ break;
+#endif
+ }
+ }
+
+ int fd = utf8_open (filename, rwflags | oflags, 0666);
+ if (fd == -1)
+ return NULL;
+
+ if (append && (lseek (fd, 0, SEEK_END) == -1))
+ {
+ close (fd);
+ return NULL;
+ }
+
+ FILE *stream = fdopen (fd, mode);
+ if (stream == NULL)
+ close (fd);
+
+ return stream;
+}
+
+/**
+ * Creates a directory using UTF-8 paths.
+ *
+ * @param dirname a UTF-8 string with the name of the directory that you
+ * want to create.
+ * @param mode directory permissions
+ * @return 0 on success, -1 on error (see errno).
+ */
+int utf8_mkdir( const char *dirname, mode_t mode )
+{
+#if defined (UNDER_CE) || defined (WIN32)
+ VLC_UNUSED( mode );
+
+ wchar_t wname[MAX_PATH + 1];
+ char mod[MAX_PATH + 1];
+ int i;
+
+ /* Convert '/' into '\' */
+ for( i = 0; *dirname; i++ )
+ {
+ if( i == MAX_PATH )
+ return -1; /* overflow */
+
+ if( *dirname == '/' )
+ mod[i] = '\\';
+ else
+ mod[i] = *dirname;
+ dirname++;
+
+ }
+ mod[i] = 0;
+
+ if( MultiByteToWideChar( CP_UTF8, 0, mod, -1, wname, MAX_PATH ) == 0 )
+ {
+ errno = ENOENT;
+ return -1;
+ }
+ wname[MAX_PATH] = L'\0';
+
+ if( CreateDirectoryW( wname, NULL ) == 0 )
+ {
+ if( GetLastError( ) == ERROR_ALREADY_EXISTS )
+ errno = EEXIST;
+ else
+ errno = ENOENT;
+ return -1;
+ }
+ return 0;
+#else
+ char *locname = ToLocale( dirname );
+ int res;
+
+ if( locname == NULL )
+ {
+ errno = ENOENT;
+ return -1;
+ }
+ res = mkdir( locname, mode );
+
+ LocaleFree( locname );
+ return res;
+#endif
+}
+
+/**
+ * Opens a DIR pointer.
+ *
+ * @param dirname UTF-8 representation of the directory name
+ * @return a pointer to the DIR struct, or NULL in case of error.
+ * Release with standard closedir().
+ */
+DIR *utf8_opendir( const char *dirname )
+{
+#ifdef WIN32
+ wchar_t wname[MAX_PATH + 1];
+
+ if (MultiByteToWideChar (CP_UTF8, 0, dirname, -1, wname, MAX_PATH))
+ {
+ wname[MAX_PATH] = L'\0';
+ return (DIR *)vlc_wopendir (wname);
+ }
+#else
+ const char *local_name = ToLocale( dirname );
+
+ if( local_name != NULL )
+ {
+ DIR *dir = opendir( local_name );
+ LocaleFree( local_name );
+ return dir;
+ }
+#endif
+
+ errno = ENOENT;
+ return NULL;
+}
+
+/**
+ * Reads the next file name from an open directory.
+ *
+ * @param dir The directory that is being read
+ *
+ * @return a UTF-8 string of the directory entry.
+ * Use free() to free this memory.
+ */
+char *utf8_readdir( DIR *dir )
+{
+#ifdef WIN32
+ struct _wdirent *ent = vlc_wreaddir (dir);
+ if (ent == NULL)
+ return NULL;
+
+ return FromWide (ent->d_name);
+#else
+ struct dirent *ent;
+
+ ent = readdir( (DIR *)dir );
+ if( ent == NULL )
+ return NULL;
+
+ return vlc_fix_readdir( ent->d_name );
+#endif
+}
+
+static int dummy_select( const char *str )
+{
+ (void)str;
+ return 1;
+}
+
+/**
+ * Does the same as utf8_scandir(), but takes an open directory pointer
+ * instead of a directory path.
+ */
+int utf8_loaddir( DIR *dir, char ***namelist,
+ int (*select)( const char * ),
+ int (*compar)( const char **, const char ** ) )
+{
+ if( select == NULL )
+ select = dummy_select;
+
+ if( dir == NULL )
+ return -1;
+ else
+ {
+ char **tab = NULL;
+ char *entry;
+ unsigned num = 0;
+
+ rewinddir( dir );
+
+ while( ( entry = utf8_readdir( dir ) ) != NULL )
+ {
+ char **newtab;
+
+ if( !select( entry ) )
+ {
+ free( entry );
+ continue;
+ }
+
+ newtab = realloc( tab, sizeof( char * ) * (num + 1) );
+ if( newtab == NULL )
+ {
+ free( entry );
+ goto error;
+ }
+ tab = newtab;
+ tab[num++] = entry;
+ }
+
+ if( compar != NULL )
+ qsort( tab, num, sizeof( tab[0] ),
+ (int (*)( const void *, const void *))compar );
+
+ *namelist = tab;
+ return num;
+
+ error:{
+ unsigned i;
+
+ for( i = 0; i < num; i++ )
+ free( tab[i] );
+ if( tab != NULL )
+ free( tab );
+ }
+ }
+ return -1;
+}
+
+/**
+ * Selects file entries from a directory, as GNU C scandir().
+ *
+ * @param dirname UTF-8 diretory path
+ * @param pointer [OUT] pointer set, on succesful completion, to the address
+ * of a table of UTF-8 filenames. All filenames must be freed with free().
+ * The table itself must be freed with free() as well.
+ *
+ * @return How many file names were selected (possibly 0),
+ * or -1 in case of error.
+ */
+int utf8_scandir( const char *dirname, char ***namelist,
+ int (*select)( const char * ),
+ int (*compar)( const char **, const char ** ) )
+{
+ DIR *dir = utf8_opendir (dirname);
+ int val = -1;
+
+ if (dir != NULL)
+ {
+ val = utf8_loaddir (dir, namelist, select, compar);
+ closedir (dir);
+ }
+ return val;
+}
+
+static int utf8_statEx( const char *filename, struct stat *buf,
+ bool deref )
+{
+#ifdef UNDER_CE
+ /*_stat translates to wchar internally on WinCE*/
+ return _stat( filename, buf );
+#elif defined (WIN32)
+ /* for Windows NT and above */
+ wchar_t wpath[MAX_PATH + 1];
+
+ if( !MultiByteToWideChar( CP_UTF8, 0, filename, -1, wpath, MAX_PATH ) )
+ {
+ errno = ENOENT;
+ return -1;
+ }
+ wpath[MAX_PATH] = L'\0';
+
+ return _wstati64( wpath, buf );
+
+#endif
+#ifdef HAVE_SYS_STAT_H
+ const char *local_name = ToLocale( filename );
+
+ if( local_name != NULL )
+ {
+ int res = deref ? stat( local_name, buf )
+ : lstat( local_name, buf );
+ LocaleFree( local_name );
+ return res;
+ }
+ errno = ENOENT;
+#endif
+ return -1;
+}
+
+/**
+ * Finds file/inode informations, as stat().
+ * Consider using fstat() instead, if possible.
+ *
+ * @param filename UTF-8 file path
+ */
+int utf8_stat( const char *filename, struct stat *buf)
+{
+ return utf8_statEx( filename, buf, true );
+}
+
+/**
+ * Finds file/inode informations, as lstat().
+ * Consider using fstat() instead, if possible.
+ *
+ * @param filename UTF-8 file path
+ */
+int utf8_lstat( const char *filename, struct stat *buf)
+{
+ return utf8_statEx( filename, buf, false );
+}
+
+/**
+ * Removes a file.
+ *
+ * @param filename a UTF-8 string with the name of the file you want to delete.
+ * @return A 0 return value indicates success. A -1 return value indicates an
+ * error, and an error code is stored in errno
+ */
+int utf8_unlink( const char *filename )
+{
+#ifdef UNDER_CE
+ /*_open translates to wchar internally on WinCE*/
+ return _unlink( filename );
+#elif defined (WIN32)
+ /* for Windows NT and above */
+ wchar_t wpath[MAX_PATH + 1];
+
+ if( !MultiByteToWideChar( CP_UTF8, 0, filename, -1, wpath, MAX_PATH ) )
+ {
+ errno = ENOENT;
+ return -1;
+ }
+ wpath[MAX_PATH] = L'\0';
+
+ /*
+ * unlink() cannot open files with non-“ANSI” characters on Windows.
+ * We use _wunlink() instead.
+ */
+ return _wunlink( wpath );
+#endif
+ const char *local_name = ToLocale( filename );
+
+ if( local_name == NULL )
+ {
+ errno = ENOENT;
+ return -1;
+ }
+
+ int ret = unlink( local_name );
+ LocaleFree( local_name );
+ return ret;
+}
#include <vlc_common.h>
#include <vlc_charset.h>
-#include "libvlc.h" /* utf8_mkdir */
#include <assert.h>
#include <stdio.h>
#include <stdarg.h>
#include <stdlib.h>
-#include <errno.h>
#include <sys/types.h>
-#ifdef HAVE_DIRENT_H
-# include <dirent.h>
-#endif
#ifdef UNDER_CE
# include <tchar.h>
#endif
-#ifdef HAVE_SYS_STAT_H
-# include <sys/stat.h>
-#endif
-#ifdef HAVE_FCNTL_H
-# include <fcntl.h>
-#endif
-#ifdef WIN32
-# include <io.h>
-#else
-# include <unistd.h>
-#endif
-
-#ifndef HAVE_LSTAT
-# define lstat( a, b ) stat(a, b)
-#endif
#ifdef __APPLE__
/* Define this if the OS always use UTF-8 internally */
return locale_dup (utf8, false);
}
-
-/**
- * Opens a system file handle using UTF-8 paths.
- *
- * @param filename file path to open (with UTF-8 encoding)
- * @param flags open() flags, see the C library open() documentation
- * @param mode file permissions if creating a new file
- * @return a file handle on success, -1 on error (see errno).
- */
-int utf8_open (const char *filename, int flags, mode_t mode)
-{
-#ifdef UNDER_CE
- /*_open translates to wchar internally on WinCE*/
- return _open (filename, flags, mode);
-#elif defined (WIN32)
- /* for Windows NT and above */
- wchar_t wpath[MAX_PATH + 1];
-
- if (!MultiByteToWideChar (CP_UTF8, 0, filename, -1, wpath, MAX_PATH))
- {
- errno = ENOENT;
- return -1;
- }
- wpath[MAX_PATH] = L'\0';
-
- /*
- * open() cannot open files with non-“ANSI” characters on Windows.
- * We use _wopen() instead. Same thing for mkdir() and stat().
- */
- return _wopen (wpath, flags, mode);
-
-#endif
- const char *local_name = ToLocale (filename);
-
- if (local_name == NULL)
- {
- errno = ENOENT;
- return -1;
- }
-
- int fd = open (local_name, flags, mode);
- LocaleFree (local_name);
- return fd;
-}
-
-/**
- * Opens a FILE pointer using UTF-8 filenames.
- * @param filename file path, using UTF-8 encoding
- * @param mode fopen file open mode
- * @return NULL on error, an open FILE pointer on success.
- */
-FILE *utf8_fopen (const char *filename, const char *mode)
-{
- int rwflags = 0, oflags = 0;
- bool append = false;
-
- for (const char *ptr = mode; *ptr; ptr++)
- {
- switch (*ptr)
- {
- case 'r':
- rwflags = O_RDONLY;
- break;
-
- case 'a':
- rwflags = O_WRONLY;
- oflags |= O_CREAT;
- append = true;
- break;
-
- case 'w':
- rwflags = O_WRONLY;
- oflags |= O_CREAT | O_TRUNC;
- break;
-
- case '+':
- rwflags = O_RDWR;
- break;
-
-#ifdef O_TEXT
- case 't':
- oflags |= O_TEXT;
- break;
-#endif
- }
- }
-
- int fd = utf8_open (filename, rwflags | oflags, 0666);
- if (fd == -1)
- return NULL;
-
- if (append && (lseek (fd, 0, SEEK_END) == -1))
- {
- close (fd);
- return NULL;
- }
-
- FILE *stream = fdopen (fd, mode);
- if (stream == NULL)
- close (fd);
-
- return stream;
-}
-
-/**
- * Creates a directory using UTF-8 paths.
- *
- * @param dirname a UTF-8 string with the name of the directory that you
- * want to create.
- * @param mode directory permissions
- * @return 0 on success, -1 on error (see errno).
- */
-int utf8_mkdir( const char *dirname, mode_t mode )
-{
-#if defined (UNDER_CE) || defined (WIN32)
- VLC_UNUSED( mode );
-
- wchar_t wname[MAX_PATH + 1];
- char mod[MAX_PATH + 1];
- int i;
-
- /* Convert '/' into '\' */
- for( i = 0; *dirname; i++ )
- {
- if( i == MAX_PATH )
- return -1; /* overflow */
-
- if( *dirname == '/' )
- mod[i] = '\\';
- else
- mod[i] = *dirname;
- dirname++;
-
- }
- mod[i] = 0;
-
- if( MultiByteToWideChar( CP_UTF8, 0, mod, -1, wname, MAX_PATH ) == 0 )
- {
- errno = ENOENT;
- return -1;
- }
- wname[MAX_PATH] = L'\0';
-
- if( CreateDirectoryW( wname, NULL ) == 0 )
- {
- if( GetLastError( ) == ERROR_ALREADY_EXISTS )
- errno = EEXIST;
- else
- errno = ENOENT;
- return -1;
- }
- return 0;
-#else
- char *locname = ToLocale( dirname );
- int res;
-
- if( locname == NULL )
- {
- errno = ENOENT;
- return -1;
- }
- res = mkdir( locname, mode );
-
- LocaleFree( locname );
- return res;
-#endif
-}
-
-/**
- * Opens a DIR pointer using UTF-8 paths
- *
- * @param dirname UTF-8 representation of the directory name
- * @return a pointer to the DIR struct, or NULL in case of error.
- * Release with standard closedir().
- */
-DIR *utf8_opendir( const char *dirname )
-{
-#ifdef WIN32
- wchar_t wname[MAX_PATH + 1];
-
- if (MultiByteToWideChar (CP_UTF8, 0, dirname, -1, wname, MAX_PATH))
- {
- wname[MAX_PATH] = L'\0';
- return (DIR *)vlc_wopendir (wname);
- }
-#else
- const char *local_name = ToLocale( dirname );
-
- if( local_name != NULL )
- {
- DIR *dir = opendir( local_name );
- LocaleFree( local_name );
- return dir;
- }
-#endif
-
- errno = ENOENT;
- return NULL;
-}
-
-/**
- * Reads the next file name from an open directory.
- *
- * @param dir The directory that is being read
- *
- * @return a UTF-8 string of the directory entry.
- * Use free() to free this memory.
- */
-char *utf8_readdir( DIR *dir )
-{
-#ifdef WIN32
- struct _wdirent *ent = vlc_wreaddir (dir);
- if (ent == NULL)
- return NULL;
-
- return FromWide (ent->d_name);
-#else
- struct dirent *ent;
-
- ent = readdir( (DIR *)dir );
- if( ent == NULL )
- return NULL;
-
- return vlc_fix_readdir( ent->d_name );
-#endif
-}
-
-static int dummy_select( const char *str )
-{
- (void)str;
- return 1;
-}
-
-/**
- * Does the same as utf8_scandir(), but takes an open directory pointer
- * instead of a directory path.
- */
-int utf8_loaddir( DIR *dir, char ***namelist,
- int (*select)( const char * ),
- int (*compar)( const char **, const char ** ) )
-{
- if( select == NULL )
- select = dummy_select;
-
- if( dir == NULL )
- return -1;
- else
- {
- char **tab = NULL;
- char *entry;
- unsigned num = 0;
-
- rewinddir( dir );
-
- while( ( entry = utf8_readdir( dir ) ) != NULL )
- {
- char **newtab;
-
- if( !select( entry ) )
- {
- free( entry );
- continue;
- }
-
- newtab = realloc( tab, sizeof( char * ) * (num + 1) );
- if( newtab == NULL )
- {
- free( entry );
- goto error;
- }
- tab = newtab;
- tab[num++] = entry;
- }
-
- if( compar != NULL )
- qsort( tab, num, sizeof( tab[0] ),
- (int (*)( const void *, const void *))compar );
-
- *namelist = tab;
- return num;
-
- error:{
- unsigned i;
-
- for( i = 0; i < num; i++ )
- free( tab[i] );
- if( tab != NULL )
- free( tab );
- }
- }
- return -1;
-}
-
-/**
- * Selects file entries from a directory, as GNU C scandir(), yet using
- * UTF-8 file names.
- *
- * @param dirname UTF-8 diretory path
- * @param pointer [OUT] pointer set, on succesful completion, to the address
- * of a table of UTF-8 filenames. All filenames must be freed with free().
- * The table itself must be freed with free() as well.
- *
- * @return How many file names were selected (possibly 0),
- * or -1 in case of error.
- */
-int utf8_scandir( const char *dirname, char ***namelist,
- int (*select)( const char * ),
- int (*compar)( const char **, const char ** ) )
-{
- DIR *dir = utf8_opendir (dirname);
- int val = -1;
-
- if (dir != NULL)
- {
- val = utf8_loaddir (dir, namelist, select, compar);
- closedir (dir);
- }
- return val;
-}
-
-static int utf8_statEx( const char *filename, struct stat *buf,
- bool deref )
-{
-#ifdef UNDER_CE
- /*_stat translates to wchar internally on WinCE*/
- return _stat( filename, buf );
-#elif defined (WIN32)
- /* for Windows NT and above */
- wchar_t wpath[MAX_PATH + 1];
-
- if( !MultiByteToWideChar( CP_UTF8, 0, filename, -1, wpath, MAX_PATH ) )
- {
- errno = ENOENT;
- return -1;
- }
- wpath[MAX_PATH] = L'\0';
-
- return _wstati64( wpath, buf );
-
-#endif
-#ifdef HAVE_SYS_STAT_H
- const char *local_name = ToLocale( filename );
-
- if( local_name != NULL )
- {
- int res = deref ? stat( local_name, buf )
- : lstat( local_name, buf );
- LocaleFree( local_name );
- return res;
- }
- errno = ENOENT;
-#endif
- return -1;
-}
-
-/**
- * Finds file/inode informations, as stat().
- * Consider usign fstat() instead, if possible.
- *
- * @param filename UTF-8 file path
- */
-int utf8_stat( const char *filename, struct stat *buf)
-{
- return utf8_statEx( filename, buf, true );
-}
-
-/**
- * Finds file/inode informations, as lstat().
- * Consider usign fstat() instead, if possible.
- *
- * @param filename UTF-8 file path
- */
-int utf8_lstat( const char *filename, struct stat *buf)
-{
- return utf8_statEx( filename, buf, false );
-}
-
-/**
- * Removes a file.
- *
- * @param filename a UTF-8 string with the name of the file you want to delete.
- * @return A 0 return value indicates success. A -1 return value indicates an
- * error, and an error code is stored in errno
- */
-int utf8_unlink( const char *filename )
-{
-#ifdef UNDER_CE
- /*_open translates to wchar internally on WinCE*/
- return _unlink( filename );
-#elif defined (WIN32)
- /* for Windows NT and above */
- wchar_t wpath[MAX_PATH + 1];
-
- if( !MultiByteToWideChar( CP_UTF8, 0, filename, -1, wpath, MAX_PATH ) )
- {
- errno = ENOENT;
- return -1;
- }
- wpath[MAX_PATH] = L'\0';
-
- /*
- * unlink() cannot open files with non-“ANSI” characters on Windows.
- * We use _wunlink() instead.
- */
- return _wunlink( wpath );
-#endif
- const char *local_name = ToLocale( filename );
-
- if( local_name == NULL )
- {
- errno = ENOENT;
- return -1;
- }
-
- int ret = unlink( local_name );
- LocaleFree( local_name );
- return ret;
-}
-
-
-
/**
* Formats an UTF-8 string as vasprintf(), then print it to stdout, with
* appropriate conversion to local encoding.
projects / vlc / commitdiff