libc.c
资源名称:vlc-1.0.5.zip [点击查看]
上传用户:kjfoods
上传日期:2020-07-06
资源大小:29949k
文件大小:29k
源码类别:
midi
开发平台:
Unix_Linux
- /*****************************************************************************
- * libc.c: Extra libc function for some systems.
- *****************************************************************************
- * Copyright (C) 2002-2006 the VideoLAN team
- * $Id: ada9f6e2ed1b717e3009b9e0db50ca55e141d33d $
- *
- * Authors: Jon Lech Johansen <jon-vl@nanocrew.net>
- * Samuel Hocevar <sam@zoy.org>
- * Gildas Bazin <gbazin@videolan.org>
- * Derk-Jan Hartman <hartman at videolan dot org>
- * Christophe Massiot <massiot@via.ecp.fr>
- * Rémi Denis-Courmont <rem à 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.
- *****************************************************************************/
- #ifdef HAVE_CONFIG_H
- # include "config.h"
- #endif
- #include <vlc_common.h>
- #include <ctype.h>
- #undef iconv_t
- #undef iconv_open
- #undef iconv
- #undef iconv_close
- #if defined(HAVE_ICONV)
- # include <iconv.h>
- #endif
- #ifdef HAVE_DIRENT_H
- # include <dirent.h>
- #endif
- #ifdef HAVE_FORK
- # include <signal.h>
- # include <sys/time.h>
- # include <unistd.h>
- # include <errno.h>
- # include <sys/wait.h>
- # include <fcntl.h>
- # include <sys/socket.h>
- # include <sys/poll.h>
- # ifndef PF_LOCAL
- # define PF_LOCAL PF_UNIX
- # endif
- #endif
- #if defined(WIN32) || defined(UNDER_CE)
- # undef _wopendir
- # undef _wreaddir
- # undef _wclosedir
- # undef rewinddir
- # define WIN32_LEAN_AND_MEAN
- # include <windows.h>
- #endif
- /*****************************************************************************
- * vlc_*dir_wrapper: wrapper under Windows to return the list of drive letters
- * when called with an empty argument or just ''
- *****************************************************************************/
- #if defined(WIN32)
- # include <assert.h>
- typedef struct vlc_DIR
- {
- _WDIR *p_real_dir;
- int i_drives;
- struct _wdirent dd_dir;
- bool b_insert_back;
- } vlc_DIR;
- void *vlc_wopendir( const wchar_t *wpath )
- {
- vlc_DIR *p_dir = NULL;
- _WDIR *p_real_dir = NULL;
- if ( wpath == NULL || wpath[0] == ' '
- || (wcscmp (wpath, L"\") == 0) )
- {
- /* Special mode to list drive letters */
- p_dir = malloc( sizeof(vlc_DIR) );
- if( !p_dir )
- return NULL;
- p_dir->p_real_dir = NULL;
- #if defined(UNDER_CE)
- p_dir->i_drives = NULL;
- #else
- p_dir->i_drives = GetLogicalDrives();
- #endif
- return (void *)p_dir;
- }
- p_real_dir = _wopendir( wpath );
- if ( p_real_dir == NULL )
- return NULL;
- p_dir = malloc( sizeof(vlc_DIR) );
- if( !p_dir )
- {
- _wclosedir( p_real_dir );
- return NULL;
- }
- p_dir->p_real_dir = p_real_dir;
- assert (wpath[0]); // wpath[1] is defined
- p_dir->b_insert_back = !wcscmp (wpath + 1, L":\");
- return (void *)p_dir;
- }
- struct _wdirent *vlc_wreaddir( void *_p_dir )
- {
- vlc_DIR *p_dir = (vlc_DIR *)_p_dir;
- DWORD i_drives;
- if ( p_dir->p_real_dir != NULL )
- {
- if ( p_dir->b_insert_back )
- {
- /* Adds "..", gruik! */
- p_dir->dd_dir.d_ino = 0;
- p_dir->dd_dir.d_reclen = 0;
- p_dir->dd_dir.d_namlen = 2;
- wcscpy( p_dir->dd_dir.d_name, L".." );
- p_dir->b_insert_back = false;
- return &p_dir->dd_dir;
- }
- return _wreaddir( p_dir->p_real_dir );
- }
- /* Drive letters mode */
- i_drives = p_dir->i_drives;
- #ifdef UNDER_CE
- swprintf( p_dir->dd_dir.d_name, L"\");
- p_dir->dd_dir.d_namlen = wcslen(p_dir->dd_dir.d_name);
- #else
- unsigned int i;
- if ( !i_drives )
- return NULL; /* end */
- for ( i = 0; i < sizeof(DWORD)*8; i++, i_drives >>= 1 )
- if ( i_drives & 1 ) break;
- if ( i >= 26 )
- return NULL; /* this should not happen */
- swprintf( p_dir->dd_dir.d_name, L"%c:\", 'A' + i );
- p_dir->dd_dir.d_namlen = wcslen(p_dir->dd_dir.d_name);
- p_dir->i_drives &= ~(1UL << i);
- #endif
- return &p_dir->dd_dir;
- }
- void vlc_rewinddir( void *_p_dir )
- {
- vlc_DIR *p_dir = (vlc_DIR *)_p_dir;
- if ( p_dir->p_real_dir != NULL )
- _wrewinddir( p_dir->p_real_dir );
- }
- #endif
- /* This one is in the libvlccore exported symbol list */
- int vlc_wclosedir( void *_p_dir )
- {
- #if defined(WIN32)
- vlc_DIR *p_dir = (vlc_DIR *)_p_dir;
- int i_ret = 0;
- if ( p_dir->p_real_dir != NULL )
- i_ret = _wclosedir( p_dir->p_real_dir );
- free( p_dir );
- return i_ret;
- #else
- return closedir( _p_dir );
- #endif
- }
- #ifdef ENABLE_NLS
- # include <libintl.h>
- #endif
- /**
- * In-tree plugins share their gettext domain with LibVLC.
- */
- char *vlc_gettext( const char *msgid )
- {
- #ifdef ENABLE_NLS
- return dgettext( PACKAGE_NAME, msgid );
- #else
- return (char *)msgid;
- #endif
- }
- /*****************************************************************************
- * Local conversion routine from ISO_6937 to UTF-8 charset. Support for this
- * is still missing in libiconv, hence multiple operating systems lack it.
- * The conversion table adds Euro sign (0xA4) as per ETSI EN 300 468 Annex A
- *****************************************************************************/
- #ifndef __linux__
- static const uint16_t to_ucs4[128] =
- {
- /* 0x80 */ 0x0080, 0x0081, 0x0082, 0x0083, 0x0084, 0x0085, 0x0086, 0x0087,
- /* 0x88 */ 0x0088, 0x0089, 0x008a, 0x008b, 0x008c, 0x008d, 0x008e, 0x008f,
- /* 0x90 */ 0x0090, 0x0091, 0x0092, 0x0093, 0x0094, 0x0095, 0x0096, 0x0097,
- /* 0x98 */ 0x0098, 0x0099, 0x009a, 0x009b, 0x009c, 0x009d, 0x009e, 0x009f,
- /* 0xa0 */ 0x00a0, 0x00a1, 0x00a2, 0x00a3, 0x20ac, 0x00a5, 0x0000, 0x00a7,
- /* 0xa8 */ 0x00a4, 0x2018, 0x201c, 0x00ab, 0x2190, 0x2191, 0x2192, 0x2193,
- /* 0xb0 */ 0x00b0, 0x00b1, 0x00b2, 0x00b3, 0x00d7, 0x00b5, 0x00b6, 0x00b7,
- /* 0xb8 */ 0x00f7, 0x2019, 0x201d, 0x00bb, 0x00bc, 0x00bd, 0x00be, 0x00bf,
- /* 0xc0 */ 0x0000, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff,
- /* 0xc8 */ 0xffff, 0x0000, 0xffff, 0xffff, 0x0000, 0xffff, 0xffff, 0xffff,
- /* 0xd0 */ 0x2014, 0x00b9, 0x00ae, 0x00a9, 0x2122, 0x266a, 0x00ac, 0x00a6,
- /* 0xd8 */ 0x0000, 0x0000, 0x0000, 0x0000, 0x215b, 0x215c, 0x215d, 0x215e,
- /* 0xe0 */ 0x2126, 0x00c6, 0x00d0, 0x00aa, 0x0126, 0x0000, 0x0132, 0x013f,
- /* 0xe8 */ 0x0141, 0x00d8, 0x0152, 0x00ba, 0x00de, 0x0166, 0x014a, 0x0149,
- /* 0xf0 */ 0x0138, 0x00e6, 0x0111, 0x00f0, 0x0127, 0x0131, 0x0133, 0x0140,
- /* 0xf8 */ 0x0142, 0x00f8, 0x0153, 0x00df, 0x00fe, 0x0167, 0x014b, 0x00ad
- };
- /* The outer array range runs from 0xc1 to 0xcf, the inner range from 0x40
- to 0x7f. */
- static const uint16_t to_ucs4_comb[15][64] =
- {
- /* 0xc1 */
- {
- /* 0x40 */ 0x0000, 0x00c0, 0x0000, 0x0000, 0x0000, 0x00c8, 0x0000, 0x0000,
- /* 0x48 */ 0x0000, 0x00cc, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x00d2,
- /* 0x50 */ 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x00d9, 0x0000, 0x0000,
- /* 0x58 */ 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
- /* 0x60 */ 0x0000, 0x00e0, 0x0000, 0x0000, 0x0000, 0x00e8, 0x0000, 0x0000,
- /* 0x68 */ 0x0000, 0x00ec, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x00f2,
- /* 0x70 */ 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x00f9, 0x0000, 0x0000,
- /* 0x78 */ 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000
- },
- /* 0xc2 */
- {
- /* 0x40 */ 0x0000, 0x00c1, 0x0000, 0x0106, 0x0000, 0x00c9, 0x0000, 0x0000,
- /* 0x48 */ 0x0000, 0x00cd, 0x0000, 0x0000, 0x0139, 0x0000, 0x0143, 0x00d3,
- /* 0x50 */ 0x0000, 0x0000, 0x0154, 0x015a, 0x0000, 0x00da, 0x0000, 0x0000,
- /* 0x58 */ 0x0000, 0x00dd, 0x0179, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
- /* 0x60 */ 0x0000, 0x00e1, 0x0000, 0x0107, 0x0000, 0x00e9, 0x0000, 0x0000,
- /* 0x68 */ 0x0000, 0x00ed, 0x0000, 0x0000, 0x013a, 0x0000, 0x0144, 0x00f3,
- /* 0x70 */ 0x0000, 0x0000, 0x0155, 0x015b, 0x0000, 0x00fa, 0x0000, 0x0000,
- /* 0x78 */ 0x0000, 0x00fd, 0x017a, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000
- },
- /* 0xc3 */
- {
- /* 0x40 */ 0x0000, 0x00c2, 0x0000, 0x0108, 0x0000, 0x00ca, 0x0000, 0x011c,
- /* 0x48 */ 0x0124, 0x00ce, 0x0134, 0x0000, 0x0000, 0x0000, 0x0000, 0x00d4,
- /* 0x50 */ 0x0000, 0x0000, 0x0000, 0x015c, 0x0000, 0x00db, 0x0000, 0x0174,
- /* 0x58 */ 0x0000, 0x0176, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
- /* 0x60 */ 0x0000, 0x00e2, 0x0000, 0x0109, 0x0000, 0x00ea, 0x0000, 0x011d,
- /* 0x68 */ 0x0125, 0x00ee, 0x0135, 0x0000, 0x0000, 0x0000, 0x0000, 0x00f4,
- /* 0x70 */ 0x0000, 0x0000, 0x0000, 0x015d, 0x0000, 0x00fb, 0x0000, 0x0175,
- /* 0x78 */ 0x0000, 0x0177, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000
- },
- /* 0xc4 */
- {
- /* 0x40 */ 0x0000, 0x00c3, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
- /* 0x48 */ 0x0000, 0x0128, 0x0000, 0x0000, 0x0000, 0x0000, 0x00d1, 0x00d5,
- /* 0x50 */ 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0168, 0x0000, 0x0000,
- /* 0x58 */ 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
- /* 0x60 */ 0x0000, 0x00e3, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
- /* 0x68 */ 0x0000, 0x0129, 0x0000, 0x0000, 0x0000, 0x0000, 0x00f1, 0x00f5,
- /* 0x70 */ 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0169, 0x0000, 0x0000,
- /* 0x78 */ 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000
- },
- /* 0xc5 */
- {
- /* 0x40 */ 0x0000, 0x0100, 0x0000, 0x0000, 0x0000, 0x0112, 0x0000, 0x0000,
- /* 0x48 */ 0x0000, 0x012a, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x014c,
- /* 0x50 */ 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x016a, 0x0000, 0x0000,
- /* 0x58 */ 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
- /* 0x60 */ 0x0000, 0x0101, 0x0000, 0x0000, 0x0000, 0x0113, 0x0000, 0x0000,
- /* 0x68 */ 0x0000, 0x012b, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x014d,
- /* 0x70 */ 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x016b, 0x0000, 0x0000,
- /* 0x78 */ 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000
- },
- /* 0xc6 */
- {
- /* 0x40 */ 0x0000, 0x0102, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x011e,
- /* 0x48 */ 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
- /* 0x50 */ 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x016c, 0x0000, 0x0000,
- /* 0x58 */ 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
- /* 0x60 */ 0x0000, 0x0103, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x011f,
- /* 0x68 */ 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
- /* 0x70 */ 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x016d, 0x0000, 0x0000,
- /* 0x78 */ 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000
- },
- /* 0xc7 */
- {
- /* 0x40 */ 0x0000, 0x0000, 0x0000, 0x010a, 0x0000, 0x0116, 0x0000, 0x0120,
- /* 0x48 */ 0x0000, 0x0130, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
- /* 0x50 */ 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
- /* 0x58 */ 0x0000, 0x0000, 0x017b, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
- /* 0x60 */ 0x0000, 0x0000, 0x0000, 0x010b, 0x0000, 0x0117, 0x0000, 0x0121,
- /* 0x68 */ 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
- /* 0x70 */ 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
- /* 0x78 */ 0x0000, 0x0000, 0x017c, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000
- },
- /* 0xc8 */
- {
- /* 0x40 */ 0x0000, 0x00c4, 0x0000, 0x0000, 0x0000, 0x00cb, 0x0000, 0x0000,
- /* 0x48 */ 0x0000, 0x00cf, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x00d6,
- /* 0x50 */ 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x00dc, 0x0000, 0x0000,
- /* 0x58 */ 0x0000, 0x0178, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
- /* 0x60 */ 0x0000, 0x00e4, 0x0000, 0x0000, 0x0000, 0x00eb, 0x0000, 0x0000,
- /* 0x68 */ 0x0000, 0x00ef, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x00f6,
- /* 0x70 */ 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x00fc, 0x0000, 0x0000,
- /* 0x78 */ 0x0000, 0x00ff, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000
- },
- /* 0xc9 */
- {
- 0x0000,
- },
- /* 0xca */
- {
- /* 0x40 */ 0x0000, 0x00c5, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
- /* 0x48 */ 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
- /* 0x50 */ 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x016e, 0x0000, 0x0000,
- /* 0x58 */ 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
- /* 0x60 */ 0x0000, 0x00e5, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
- /* 0x68 */ 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
- /* 0x70 */ 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x016f, 0x0000, 0x0000,
- /* 0x78 */ 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000
- },
- /* 0xcb */
- {
- /* 0x40 */ 0x0000, 0x0000, 0x0000, 0x00c7, 0x0000, 0x0000, 0x0000, 0x0122,
- /* 0x48 */ 0x0000, 0x0000, 0x0000, 0x0136, 0x013b, 0x0000, 0x0145, 0x0000,
- /* 0x50 */ 0x0000, 0x0000, 0x0156, 0x015e, 0x0162, 0x0000, 0x0000, 0x0000,
- /* 0x58 */ 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
- /* 0x60 */ 0x0000, 0x0000, 0x0000, 0x00e7, 0x0000, 0x0000, 0x0000, 0x0123,
- /* 0x68 */ 0x0000, 0x0000, 0x0000, 0x0137, 0x013c, 0x0000, 0x0146, 0x0000,
- /* 0x70 */ 0x0000, 0x0000, 0x0157, 0x015f, 0x0163, 0x0000, 0x0000, 0x0000,
- /* 0x78 */ 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000
- },
- /* 0xcc */
- {
- 0x0000,
- },
- /* 0xcd */
- {
- /* 0x40 */ 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
- /* 0x48 */ 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0150,
- /* 0x50 */ 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0170, 0x0000, 0x0000,
- /* 0x58 */ 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
- /* 0x60 */ 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
- /* 0x68 */ 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0151,
- /* 0x70 */ 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0171, 0x0000, 0x0000,
- /* 0x78 */ 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000
- },
- /* 0xce */
- {
- /* 0x40 */ 0x0000, 0x0104, 0x0000, 0x0000, 0x0000, 0x0118, 0x0000, 0x0000,
- /* 0x48 */ 0x0000, 0x012e, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
- /* 0x50 */ 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0172, 0x0000, 0x0000,
- /* 0x58 */ 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
- /* 0x60 */ 0x0000, 0x0105, 0x0000, 0x0000, 0x0000, 0x0119, 0x0000, 0x0000,
- /* 0x68 */ 0x0000, 0x012f, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
- /* 0x70 */ 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0173, 0x0000, 0x0000,
- /* 0x78 */ 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000
- },
- /* 0xcf */
- {
- /* 0x40 */ 0x0000, 0x0000, 0x0000, 0x010c, 0x010e, 0x011a, 0x0000, 0x0000,
- /* 0x48 */ 0x0000, 0x0000, 0x0000, 0x0000, 0x013d, 0x0000, 0x0147, 0x0000,
- /* 0x50 */ 0x0000, 0x0000, 0x0158, 0x0160, 0x0164, 0x0000, 0x0000, 0x0000,
- /* 0x58 */ 0x0000, 0x0000, 0x017d, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
- /* 0x60 */ 0x0000, 0x0000, 0x0000, 0x010d, 0x010f, 0x011b, 0x0000, 0x0000,
- /* 0x68 */ 0x0000, 0x0000, 0x0000, 0x0000, 0x013e, 0x0000, 0x0148, 0x0000,
- /* 0x70 */ 0x0000, 0x0000, 0x0159, 0x0161, 0x0165, 0x0000, 0x0000, 0x0000,
- /* 0x78 */ 0x0000, 0x0000, 0x017e, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000
- }
- };
- static size_t ISO6937toUTF8( const unsigned char **inbuf, size_t *inbytesleft,
- unsigned char **outbuf, size_t *outbytesleft )
- {
- if( !inbuf || !(*inbuf) )
- return (size_t)(0); /* Reset state requested */
- const unsigned char *iptr = *inbuf;
- const unsigned char *iend = iptr + *inbytesleft;
- unsigned char *optr = *outbuf;
- unsigned char *oend = optr + *outbytesleft;
- uint16_t ch;
- int err = 0;
- while ( iptr < iend )
- {
- if( *iptr < 0x80 )
- {
- if( optr >= oend )
- {
- err = E2BIG;
- break; /* No space in outbuf */
- }
- *optr++ = *iptr++;
- continue;
- }
- if ( optr + 2 >= oend )
- {
- err = E2BIG;
- break; /* No space in outbuf for multibyte char */
- }
- ch = to_ucs4[*iptr - 0x80];
- if( ch == 0xffff )
- {
- /* Composed character */
- if ( iptr + 1 >= iend )
- {
- err = EINVAL;
- break; /* No next character */
- }
- if ( iptr[1] < 0x40 || iptr[1] >= 0x80 ||
- !(ch = to_ucs4_comb[iptr[0] - 0xc1][iptr[1] - 0x40]) )
- {
- err = EILSEQ;
- break; /* Illegal combination */
- }
- iptr += 2;
- }
- else
- {
- if ( !ch )
- {
- err = EILSEQ;
- break;
- }
- iptr++;
- }
- if ( ch < 0x800 )
- {
- optr[1] = 0x80 | (ch & 0x3f);
- optr[0] = 0xc0 | (ch >> 6);
- optr +=2;
- }
- else
- {
- optr[2] = 0x80 | (ch & 0x3f);
- ch >>= 6;
- optr[1] = 0x80 | (ch & 0x3f);
- optr[0] = 0xe0 | (ch >> 6);
- optr += 3;
- }
- }
- *inbuf = iptr;
- *outbuf = optr;
- *inbytesleft = iend - iptr;
- *outbytesleft = oend - optr;
- if( err )
- {
- errno = err;
- return (size_t)(-1);
- }
- return (size_t)(0);
- }
- #endif
- /*****************************************************************************
- * iconv wrapper
- *****************************************************************************/
- vlc_iconv_t vlc_iconv_open( const char *tocode, const char *fromcode )
- {
- #ifndef __linux__
- if( !strcasecmp(tocode, "UTF-8") && !strcasecmp(fromcode, "ISO_6937") )
- return (vlc_iconv_t)(-2);
- #endif
- #if defined(HAVE_ICONV)
- return iconv_open( tocode, fromcode );
- #else
- return (vlc_iconv_t)(-1);
- #endif
- }
- size_t vlc_iconv( vlc_iconv_t cd, const char **inbuf, size_t *inbytesleft,
- char **outbuf, size_t *outbytesleft )
- {
- #ifndef __linux__
- if ( cd == (vlc_iconv_t)(-2) )
- return ISO6937toUTF8( (const unsigned char **)inbuf, inbytesleft,
- (unsigned char **)outbuf, outbytesleft );
- #endif
- #if defined(HAVE_ICONV)
- return iconv( cd, (ICONV_CONST char **)inbuf, inbytesleft,
- outbuf, outbytesleft );
- #else
- abort ();
- #endif
- }
- int vlc_iconv_close( vlc_iconv_t cd )
- {
- #ifndef __linux__
- if ( cd == (vlc_iconv_t)(-2) )
- return 0;
- #endif
- #if defined(HAVE_ICONV)
- return iconv_close( cd );
- #else
- abort ();
- #endif
- }
- /*****************************************************************************
- * reduce a fraction
- * (adapted from libavcodec, author Michael Niedermayer <michaelni@gmx.at>)
- *****************************************************************************/
- bool vlc_ureduce( unsigned *pi_dst_nom, unsigned *pi_dst_den,
- uint64_t i_nom, uint64_t i_den, uint64_t i_max )
- {
- bool b_exact = 1;
- uint64_t i_gcd;
- if( i_den == 0 )
- {
- *pi_dst_nom = 0;
- *pi_dst_den = 1;
- return 1;
- }
- i_gcd = GCD( i_nom, i_den );
- i_nom /= i_gcd;
- i_den /= i_gcd;
- if( i_max == 0 ) i_max = INT64_C(0xFFFFFFFF);
- if( i_nom > i_max || i_den > i_max )
- {
- uint64_t i_a0_num = 0, i_a0_den = 1, i_a1_num = 1, i_a1_den = 0;
- b_exact = 0;
- for( ; ; )
- {
- uint64_t i_x = i_nom / i_den;
- uint64_t i_a2n = i_x * i_a1_num + i_a0_num;
- uint64_t i_a2d = i_x * i_a1_den + i_a0_den;
- if( i_a2n > i_max || i_a2d > i_max ) break;
- i_nom %= i_den;
- i_a0_num = i_a1_num; i_a0_den = i_a1_den;
- i_a1_num = i_a2n; i_a1_den = i_a2d;
- if( i_nom == 0 ) break;
- i_x = i_nom; i_nom = i_den; i_den = i_x;
- }
- i_nom = i_a1_num;
- i_den = i_a1_den;
- }
- *pi_dst_nom = i_nom;
- *pi_dst_den = i_den;
- return b_exact;
- }
- /*************************************************************************
- * vlc_execve: Execute an external program with a given environment,
- * wait until it finishes and return its standard output
- *************************************************************************/
- int __vlc_execve( vlc_object_t *p_object, int i_argc, char *const *ppsz_argv,
- char *const *ppsz_env, const char *psz_cwd,
- const char *p_in, size_t i_in,
- char **pp_data, size_t *pi_data )
- {
- (void)i_argc; // <-- hmph
- #ifdef HAVE_FORK
- # define BUFSIZE 1024
- int fds[2], i_status;
- if (socketpair (PF_LOCAL, SOCK_STREAM, 0, fds))
- return -1;
- pid_t pid = -1;
- if ((fds[0] > 2) && (fds[1] > 2))
- pid = fork ();
- switch (pid)
- {
- case -1:
- msg_Err (p_object, "unable to fork (%m)");
- close (fds[0]);
- close (fds[1]);
- return -1;
- case 0:
- {
- sigset_t set;
- sigemptyset (&set);
- pthread_sigmask (SIG_SETMASK, &set, NULL);
- /* NOTE:
- * Like it or not, close can fail (and not only with EBADF)
- */
- if ((close (0) == 0) && (close (1) == 0) && (close (2) == 0)
- && (dup (fds[1]) == 0) && (dup (fds[1]) == 1)
- && (open ("/dev/null", O_RDONLY) == 2)
- && ((psz_cwd == NULL) || (chdir (psz_cwd) == 0)))
- execve (ppsz_argv[0], ppsz_argv, ppsz_env);
- exit (EXIT_FAILURE);
- }
- }
- close (fds[1]);
- *pi_data = 0;
- if (*pp_data)
- free (*pp_data);
- *pp_data = NULL;
- if (i_in == 0)
- shutdown (fds[0], SHUT_WR);
- while (!p_object->b_die)
- {
- struct pollfd ufd[1];
- memset (ufd, 0, sizeof (ufd));
- ufd[0].fd = fds[0];
- ufd[0].events = POLLIN;
- if (i_in > 0)
- ufd[0].events |= POLLOUT;
- if (poll (ufd, 1, 10) <= 0)
- continue;
- if (ufd[0].revents & ~POLLOUT)
- {
- char *ptr = realloc (*pp_data, *pi_data + BUFSIZE + 1);
- if (ptr == NULL)
- break; /* safely abort */
- *pp_data = ptr;
- ssize_t val = read (fds[0], ptr + *pi_data, BUFSIZE);
- switch (val)
- {
- case -1:
- case 0:
- shutdown (fds[0], SHUT_RD);
- break;
- default:
- *pi_data += val;
- }
- }
- if (ufd[0].revents & POLLOUT)
- {
- ssize_t val = write (fds[0], p_in, i_in);
- switch (val)
- {
- case -1:
- case 0:
- i_in = 0;
- shutdown (fds[0], SHUT_WR);
- break;
- default:
- i_in -= val;
- p_in += val;
- }
- }
- }
- close (fds[0]);
- while (waitpid (pid, &i_status, 0) == -1);
- if (WIFEXITED (i_status))
- {
- i_status = WEXITSTATUS (i_status);
- if (i_status)
- msg_Warn (p_object, "child %s (PID %d) exited with error code %d",
- ppsz_argv[0], (int)pid, i_status);
- }
- else
- if (WIFSIGNALED (i_status)) // <-- this should be redumdant a check
- {
- i_status = WTERMSIG (i_status);
- msg_Warn (p_object, "child %s (PID %d) exited on signal %d (%s)",
- ppsz_argv[0], (int)pid, i_status, strsignal (i_status));
- }
- #elif defined( WIN32 ) && !defined( UNDER_CE )
- SECURITY_ATTRIBUTES saAttr;
- PROCESS_INFORMATION piProcInfo;
- STARTUPINFO siStartInfo;
- BOOL bFuncRetn = FALSE;
- HANDLE hChildStdinRd, hChildStdinWr, hChildStdoutRd, hChildStdoutWr;
- DWORD i_status;
- char *psz_cmd = NULL, *p_env = NULL, *p = NULL;
- char **ppsz_parser;
- int i_size;
- /* Set the bInheritHandle flag so pipe handles are inherited. */
- saAttr.nLength = sizeof(SECURITY_ATTRIBUTES);
- saAttr.bInheritHandle = TRUE;
- saAttr.lpSecurityDescriptor = NULL;
- /* Create a pipe for the child process's STDOUT. */
- if ( !CreatePipe( &hChildStdoutRd, &hChildStdoutWr, &saAttr, 0 ) )
- {
- msg_Err( p_object, "stdout pipe creation failed" );
- return -1;
- }
- /* Ensure the read handle to the pipe for STDOUT is not inherited. */
- SetHandleInformation( hChildStdoutRd, HANDLE_FLAG_INHERIT, 0 );
- /* Create a pipe for the child process's STDIN. */
- if ( !CreatePipe( &hChildStdinRd, &hChildStdinWr, &saAttr, 0 ) )
- {
- msg_Err( p_object, "stdin pipe creation failed" );
- return -1;
- }
- /* Ensure the write handle to the pipe for STDIN is not inherited. */
- SetHandleInformation( hChildStdinWr, HANDLE_FLAG_INHERIT, 0 );
- /* Set up members of the PROCESS_INFORMATION structure. */
- ZeroMemory( &piProcInfo, sizeof(PROCESS_INFORMATION) );
- /* Set up members of the STARTUPINFO structure. */
- ZeroMemory( &siStartInfo, sizeof(STARTUPINFO) );
- siStartInfo.cb = sizeof(STARTUPINFO);
- siStartInfo.hStdError = hChildStdoutWr;
- siStartInfo.hStdOutput = hChildStdoutWr;
- siStartInfo.hStdInput = hChildStdinRd;
- siStartInfo.wShowWindow = SW_HIDE;
- siStartInfo.dwFlags |= STARTF_USESTDHANDLES | STARTF_USESHOWWINDOW;
- /* Set up the command line. */
- psz_cmd = malloc(32768);
- if( !psz_cmd )
- return -1;
- psz_cmd[0] = ' ';
- i_size = 32768;
- ppsz_parser = &ppsz_argv[0];
- while ( ppsz_parser[0] != NULL && i_size > 0 )
- {
- /* Protect the last argument with quotes ; the other arguments
- * are supposed to be already protected because they have been
- * passed as a command-line option. */
- if ( ppsz_parser[1] == NULL )
- {
- strncat( psz_cmd, """, i_size );
- i_size--;
- }
- strncat( psz_cmd, *ppsz_parser, i_size );
- i_size -= strlen( *ppsz_parser );
- if ( ppsz_parser[1] == NULL )
- {
- strncat( psz_cmd, """, i_size );
- i_size--;
- }
- strncat( psz_cmd, " ", i_size );
- i_size--;
- ppsz_parser++;
- }
- /* Set up the environment. */
- p = p_env = malloc(32768);
- if( !p )
- {
- free( psz_cmd );
- return -1;
- }
- i_size = 32768;
- ppsz_parser = &ppsz_env[0];
- while ( *ppsz_parser != NULL && i_size > 0 )
- {
- memcpy( p, *ppsz_parser,
- __MIN((int)(strlen(*ppsz_parser) + 1), i_size) );
- p += strlen(*ppsz_parser) + 1;
- i_size -= strlen(*ppsz_parser) + 1;
- ppsz_parser++;
- }
- *p = ' ';
- /* Create the child process. */
- bFuncRetn = CreateProcess( NULL,
- psz_cmd, // command line
- NULL, // process security attributes
- NULL, // primary thread security attributes
- TRUE, // handles are inherited
- 0, // creation flags
- p_env,
- psz_cwd,
- &siStartInfo, // STARTUPINFO pointer
- &piProcInfo ); // receives PROCESS_INFORMATION
- free( psz_cmd );
- free( p_env );
- if ( bFuncRetn == 0 )
- {
- msg_Err( p_object, "child creation failed" );
- return -1;
- }
- /* Read from a file and write its contents to a pipe. */
- while ( i_in > 0 && !p_object->b_die )
- {
- DWORD i_written;
- if ( !WriteFile( hChildStdinWr, p_in, i_in, &i_written, NULL ) )
- break;
- i_in -= i_written;
- p_in += i_written;
- }
- /* Close the pipe handle so the child process stops reading. */
- CloseHandle(hChildStdinWr);
- /* Close the write end of the pipe before reading from the
- * read end of the pipe. */
- CloseHandle(hChildStdoutWr);
- /* Read output from the child process. */
- *pi_data = 0;
- if( *pp_data )
- free( pp_data );
- *pp_data = NULL;
- *pp_data = malloc( 1025 ); /* +1 for