1 /*****************************************************************************
2 * common.h: common definitions
3 * Collection of useful common types and macros definitions
4 *****************************************************************************
5 * Copyright (C) 1998-2005 the VideoLAN team
8 * Authors: Samuel Hocevar <sam@via.ecp.fr>
9 * Vincent Seguin <seguin@via.ecp.fr>
10 * Gildas Bazin <gbazin@videolan.org>
12 * This program is free software; you can redistribute it and/or modify
13 * it under the terms of the GNU General Public License as published by
14 * the Free Software Foundation; either version 2 of the License, or
15 * (at your option) any later version.
17 * This program is distributed in the hope that it will be useful,
18 * but WITHOUT ANY WARRANTY; without even the implied warranty of
19 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
20 * GNU General Public License for more details.
22 * You should have received a copy of the GNU General Public License
23 * along with this program; if not, write to the Free Software
24 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
25 *****************************************************************************/
29 * This file is a collection of common definitions and types
33 # define VLC_COMMON_H 1
35 /*****************************************************************************
36 * Required vlc headers
37 *****************************************************************************/
38 #if defined( _MSC_VER )
39 # pragma warning( disable : 4244 )
42 #include "vlc_config.h"
44 /*****************************************************************************
45 * Required system headers
46 *****************************************************************************/
59 /* Try to fix format strings for all versions of mingw and mingw64 */
60 #if defined( _WIN32 ) && defined( __USE_MINGW_ANSI_STDIO )
71 #define snprintf __mingw_snprintf
72 #define vsnprintf __mingw_vsnprintf
75 /* Format string sanity checks */
77 # if defined( _WIN32 ) && (__GNUC__ > 4 || ( __GNUC__ == 4 && __GNUC_MINOR__ >= 4 ) )
78 # define LIBVLC_FORMAT(x,y) __attribute__ ((format(gnu_printf,x,y)))
80 # define LIBVLC_FORMAT(x,y) __attribute__ ((format(printf,x,y)))
82 # define LIBVLC_FORMAT_ARG(x) __attribute__ ((format_arg(x)))
83 # if __GNUC__ > 3 || (__GNUC__ == 3 && (__GNUC_MINOR__ >= 4))
84 # define LIBVLC_USED __attribute__ ((warn_unused_result))
88 # define LIBVLC_MALLOC __attribute__ ((malloc))
90 # define LIBVLC_FORMAT(x,y)
91 # define LIBVLC_FORMAT_ARG(x)
93 # define LIBVLC_MALLOC
96 /* Branch prediction */
98 # define likely(p) __builtin_expect(!!(p), 1)
99 # define unlikely(p) __builtin_expect(!!(p), 0)
101 # define likely(p) (!!(p))
102 # define unlikely(p) (!!(p))
105 /*****************************************************************************
106 * Basic types definitions
107 *****************************************************************************/
108 #if defined( WIN32 ) || defined( UNDER_CE )
111 # define PATH_MAX MAX_PATH
115 /* Counter for statistics and profiling */
116 typedef unsigned long count_t;
119 typedef uint16_t audio_volume_t;
122 * High precision date or time interval
124 * Store a high precision date or time interval. The maximum precision is the
125 * microsecond, and a 64 bits integer is used to avoid overflows (maximum
126 * time interval is then 292271 years, which should be long enough for any
127 * video). Dates are stored as microseconds since a common date (usually the
128 * epoch). Note that date and time intervals can be manipulated using regular
129 * arithmetic operators, and that no special functions are required.
131 typedef int64_t mtime_t;
134 * The vlc_fourcc_t type.
136 * See http://www.webartz.com/fourcc/ for a very detailed list.
138 typedef uint32_t vlc_fourcc_t;
140 #ifdef WORDS_BIGENDIAN
141 # define VLC_FOURCC( a, b, c, d ) \
142 ( ((uint32_t)d) | ( ((uint32_t)c) << 8 ) \
143 | ( ((uint32_t)b) << 16 ) | ( ((uint32_t)a) << 24 ) )
144 # define VLC_TWOCC( a, b ) \
145 ( (uint16_t)(b) | ( (uint16_t)(a) << 8 ) )
148 # define VLC_FOURCC( a, b, c, d ) \
149 ( ((uint32_t)a) | ( ((uint32_t)b) << 8 ) \
150 | ( ((uint32_t)c) << 16 ) | ( ((uint32_t)d) << 24 ) )
151 # define VLC_TWOCC( a, b ) \
152 ( (uint16_t)(a) | ( (uint16_t)(b) << 8 ) )
157 * Translate a vlc_fourcc into its string representation. This function
158 * assumes there is enough room in psz_fourcc to store 4 characters in.
160 * \param fcc a vlc_fourcc_t
161 * \param psz_fourcc string to store string representation of vlc_fourcc in
163 static inline void vlc_fourcc_to_char( vlc_fourcc_t fcc, char *psz_fourcc )
165 memcpy( psz_fourcc, &fcc, 4 );
168 #define vlc_fourcc_to_char( a, b ) \
169 vlc_fourcc_to_char( (vlc_fourcc_t)(a), (char *)(b) )
171 /*****************************************************************************
172 * Classes declaration
173 *****************************************************************************/
176 typedef struct vlc_list_t vlc_list_t;
177 typedef struct vlc_object_t vlc_object_t;
178 typedef struct libvlc_int_t libvlc_int_t;
179 typedef struct date_t date_t;
188 PLAYLIST_PLAY, /**< No arg. res=can fail*/
189 PLAYLIST_VIEWPLAY, /**< arg1= playlist_item_t*,*/
190 /** arg2 = playlist_item_t* , res=can fail */
191 PLAYLIST_PAUSE, /**< No arg res=can fail*/
192 PLAYLIST_STOP, /**< No arg res=can fail*/
193 PLAYLIST_SKIP, /**< arg1=int, res=can fail*/
194 } playlist_command_t;
197 typedef struct playlist_t playlist_t;
198 typedef struct playlist_item_t playlist_item_t;
199 typedef struct playlist_view_t playlist_view_t;
200 typedef struct services_discovery_t services_discovery_t;
201 typedef struct services_discovery_sys_t services_discovery_sys_t;
202 typedef struct playlist_add_t playlist_add_t;
205 typedef struct module_t module_t;
206 typedef struct module_config_t module_config_t;
208 typedef struct config_category_t config_category_t;
211 typedef struct input_thread_t input_thread_t;
212 typedef struct input_item_t input_item_t;
213 typedef struct input_item_node_t input_item_node_t;
214 typedef struct access_t access_t;
215 typedef struct access_sys_t access_sys_t;
216 typedef struct stream_t stream_t;
217 typedef struct stream_sys_t stream_sys_t;
218 typedef struct demux_t demux_t;
219 typedef struct demux_sys_t demux_sys_t;
220 typedef struct es_out_t es_out_t;
221 typedef struct es_out_id_t es_out_id_t;
222 typedef struct es_out_sys_t es_out_sys_t;
223 typedef struct seekpoint_t seekpoint_t;
224 typedef struct info_t info_t;
225 typedef struct info_category_t info_category_t;
226 typedef struct input_attachment_t input_attachment_t;
229 typedef struct audio_format_t audio_format_t;
230 typedef struct video_format_t video_format_t;
231 typedef struct subs_format_t subs_format_t;
232 typedef struct es_format_t es_format_t;
233 typedef struct video_palette_t video_palette_t;
236 typedef struct aout_instance_t aout_instance_t;
237 typedef struct aout_sys_t aout_sys_t;
238 typedef struct aout_fifo_t aout_fifo_t;
239 typedef struct aout_input_t aout_input_t;
240 typedef struct block_t aout_buffer_t;
241 typedef audio_format_t audio_sample_format_t;
242 typedef struct aout_filter_t aout_filter_t;
245 typedef struct vout_thread_t vout_thread_t;
247 typedef video_format_t video_frame_format_t;
248 typedef struct picture_t picture_t;
249 typedef struct picture_sys_t picture_sys_t;
252 typedef struct spu_t spu_t;
253 typedef struct subpicture_t subpicture_t;
254 typedef struct subpicture_sys_t subpicture_sys_t;
255 typedef struct subpicture_region_t subpicture_region_t;
257 typedef struct image_handler_t image_handler_t;
260 typedef struct sout_instance_t sout_instance_t;
261 typedef struct sout_instance_sys_t sout_instance_sys_t;
263 typedef struct sout_input_t sout_input_t;
264 typedef struct sout_packetizer_input_t sout_packetizer_input_t;
266 typedef struct sout_access_out_t sout_access_out_t;
267 typedef struct sout_access_out_sys_t sout_access_out_sys_t;
269 typedef struct sout_mux_t sout_mux_t;
270 typedef struct sout_mux_sys_t sout_mux_sys_t;
272 typedef struct sout_stream_t sout_stream_t;
273 typedef struct sout_stream_sys_t sout_stream_sys_t;
275 typedef struct config_chain_t config_chain_t;
276 typedef struct session_descriptor_t session_descriptor_t;
277 typedef struct announce_method_t announce_method_t;
280 typedef struct decoder_t decoder_t;
281 typedef struct decoder_sys_t decoder_sys_t;
282 typedef struct decoder_synchro_t decoder_synchro_t;
285 typedef struct encoder_t encoder_t;
286 typedef struct encoder_sys_t encoder_sys_t;
289 typedef struct filter_t filter_t;
290 typedef struct filter_sys_t filter_sys_t;
293 typedef struct virtual_socket_t v_socket_t;
294 typedef struct vlc_acl_t vlc_acl_t;
295 typedef struct vlc_url_t vlc_url_t;
298 typedef struct iso639_lang_t iso639_lang_t;
301 typedef struct block_t block_t;
302 typedef struct block_fifo_t block_fifo_t;
305 typedef struct httpd_t httpd_t;
306 typedef struct httpd_host_t httpd_host_t;
307 typedef struct httpd_url_t httpd_url_t;
308 typedef struct httpd_client_t httpd_client_t;
309 typedef struct httpd_callback_sys_t httpd_callback_sys_t;
310 typedef struct httpd_message_t httpd_message_t;
311 typedef int (*httpd_callback_t)( httpd_callback_sys_t *, httpd_client_t *, httpd_message_t *answer, const httpd_message_t *query );
312 typedef struct httpd_file_t httpd_file_t;
313 typedef struct httpd_file_sys_t httpd_file_sys_t;
314 typedef int (*httpd_file_callback_t)( httpd_file_sys_t *, httpd_file_t *, uint8_t *psz_request, uint8_t **pp_data, int *pi_data );
315 typedef struct httpd_handler_t httpd_handler_t;
316 typedef struct httpd_handler_sys_t httpd_handler_sys_t;
317 typedef int (*httpd_handler_callback_t)( httpd_handler_sys_t *, httpd_handler_t *, char *psz_url, uint8_t *psz_request, int i_type, uint8_t *p_in, int i_in, char *psz_remote_addr, char *psz_remote_host, uint8_t **pp_data, int *pi_data );
318 typedef struct httpd_redirect_t httpd_redirect_t;
319 typedef struct httpd_stream_t httpd_stream_t;
322 typedef struct tls_server_t tls_server_t;
323 typedef struct tls_session_t tls_session_t;
326 typedef struct md5_s md5_t;
329 typedef struct xml_t xml_t;
330 typedef struct xml_sys_t xml_sys_t;
331 typedef struct xml_reader_t xml_reader_t;
332 typedef struct xml_reader_sys_t xml_reader_sys_t;
335 typedef struct vod_t vod_t;
336 typedef struct vod_sys_t vod_sys_t;
337 typedef struct vod_media_t vod_media_t;
340 typedef struct osd_menu_t osd_menu_t;
341 typedef struct osd_state_t osd_state_t;
342 typedef struct osd_event_t osd_event_t;
343 typedef struct osd_button_t osd_button_t;
344 typedef struct osd_menu_state_t osd_menu_state_t;
347 typedef struct vlm_t vlm_t;
348 typedef struct vlm_message_t vlm_message_t;
351 typedef struct vlc_meta_t vlc_meta_t;
354 typedef struct counter_t counter_t;
355 typedef struct counter_sample_t counter_sample_t;
356 typedef struct stats_handler_t stats_handler_t;
357 typedef struct input_stats_t input_stats_t;
360 typedef struct update_t update_t;
361 typedef struct update_iterator_t update_iterator_t;
364 typedef struct meta_engine_t meta_engine_t;
366 /* stat/lstat/fstat */
368 #include <sys/stat.h>
372 #define stat _stati64
373 #define fstat _fstati64
376 /* You should otherwise use vlc_stat and vlc_lstat. */
382 * VLC value structure
391 vlc_object_t * p_object;
394 struct { int32_t x; int32_t y; } coords;
404 vlc_value_t * p_values;
410 * \defgroup var_type Variable types
411 * These are the different types a vlc variable can have.
414 #define VLC_VAR_VOID 0x0010
415 #define VLC_VAR_BOOL 0x0020
416 #define VLC_VAR_INTEGER 0x0030
417 #define VLC_VAR_HOTKEY 0x0031
418 #define VLC_VAR_STRING 0x0040
419 #define VLC_VAR_VARIABLE 0x0044
420 #define VLC_VAR_FLOAT 0x0050
421 #define VLC_VAR_TIME 0x0060
422 #define VLC_VAR_ADDRESS 0x0070
423 #define VLC_VAR_MUTEX 0x0080
424 #define VLC_VAR_COORDS 0x00A0
427 /*****************************************************************************
428 * Error values (shouldn't be exposed)
429 *****************************************************************************/
430 #define VLC_SUCCESS -0 /* No error */
431 #define VLC_ENOMEM -1 /* Not enough memory */
432 #define VLC_ETIMEOUT -3 /* Timeout */
434 #define VLC_ENOMOD -10 /* Module not found */
436 #define VLC_ENOOBJ -20 /* Object not found */
438 #define VLC_ENOVAR -30 /* Variable not found */
439 #define VLC_EBADVAR -31 /* Bad variable value */
441 #define VLC_ENOITEM -40 /**< Item not found */
443 #define VLC_EEXIT -255 /* Program exited */
444 #define VLC_EEXITSUCCESS -999 /* Program exited successfully */
445 #define VLC_EGENERIC -666 /* Generic error */
447 /*****************************************************************************
449 *****************************************************************************/
450 typedef int ( * vlc_callback_t ) ( vlc_object_t *, /* variable's object */
451 char const *, /* variable name */
452 vlc_value_t, /* old value */
453 vlc_value_t, /* new value */
454 void * ); /* callback data */
456 /*****************************************************************************
458 *****************************************************************************/
461 # define LIBVLC_EXTERN extern "C"
463 # define LIBVLC_EXTERN extern
465 #if defined (WIN32) && defined (DLL_EXPORT)
466 #if defined (UNDER_CE)
469 # define LIBVLC_EXPORT __declspec(dllexport)
471 # define LIBVLC_EXPORT
473 #define VLC_EXPORT( type, name, args ) \
474 LIBVLC_EXTERN LIBVLC_EXPORT type name args
476 /*****************************************************************************
477 * OS-specific headers and thread types
478 *****************************************************************************/
479 #if defined( WIN32 ) || defined( UNDER_CE )
480 # define WIN32_LEAN_AND_MEAN
481 # include <windows.h>
484 #include "vlc_mtime.h"
485 #include "vlc_threads.h"
488 * Memory storage space for an atom. Never access it directly.
492 volatile uintptr_t u;
496 /*****************************************************************************
497 * Common structure members
498 *****************************************************************************/
500 /* VLC_COMMON_MEMBERS : members common to all basic vlc objects */
501 #define VLC_COMMON_MEMBERS \
502 /** \name VLC_COMMON_MEMBERS \
503 * these members are common for all vlc objects \
506 const char *psz_object_type; \
508 /* Messages header */ \
512 /* Object properties */ \
513 volatile bool b_die; /**< set by the outside */ \
514 bool b_force; /**< set by the outside (eg. module_need()) */ \
516 /* Stuff related to the libvlc structure */ \
517 libvlc_int_t *p_libvlc; /**< (root of all evil) - 1 */ \
519 vlc_object_t * p_parent; /**< our parent */ \
523 /* VLC_OBJECT: attempt at doing a clever cast */
524 #if defined( __GNUC__ ) && __GNUC__ > 3
526 # define VLC_OBJECT( x ) \
527 __builtin_choose_expr(__builtin_offsetof(__typeof__(*x), psz_object_type), \
528 (void)0 /* screw you */, (vlc_object_t *)(x))
530 # define VLC_OBJECT( x ) \
531 ((vlc_object_t *)(x) \
532 + 0 * __builtin_offsetof(__typeof__(*x), psz_object_type))
535 # define VLC_OBJECT( x ) ((vlc_object_t *)(x))
538 typedef struct gc_object_t
541 void (*pf_destructor) (struct gc_object_t *);
545 * These members are common to all objects that wish to be garbage-collected.
547 #define VLC_GC_MEMBERS gc_object_t vlc_gc_data;
549 VLC_EXPORT(void *, vlc_gc_init, (gc_object_t *, void (*)(gc_object_t *)));
550 VLC_EXPORT(void *, vlc_hold, (gc_object_t *));
551 VLC_EXPORT(void, vlc_release, (gc_object_t *));
553 #define vlc_gc_init( a,b ) vlc_gc_init( &(a)->vlc_gc_data, (b) )
554 #define vlc_gc_incref( a ) vlc_hold( &(a)->vlc_gc_data )
555 #define vlc_gc_decref( a ) vlc_release( &(a)->vlc_gc_data )
556 #define vlc_priv( gc, t ) ((t *)(((char *)(gc)) - offsetof(t, vlc_gc_data)))
558 /*****************************************************************************
559 * Macros and inline functions
560 *****************************************************************************/
562 /* CEIL: division with round to nearest greater integer */
563 #define CEIL(n, d) ( ((n) / (d)) + ( ((n) % (d)) ? 1 : 0) )
565 /* PAD: PAD(n, d) = CEIL(n ,d) * d */
566 #define PAD(n, d) ( ((n) % (d)) ? ((((n) / (d)) + 1) * (d)) : (n) )
568 /* __MAX and __MIN: self explanatory */
570 # define __MAX(a, b) ( ((a) > (b)) ? (a) : (b) )
573 # define __MIN(a, b) ( ((a) < (b)) ? (a) : (b) )
577 static inline int64_t GCD ( int64_t a, int64_t b )
588 /* function imported from libavutil/common.h */
590 static inline uint8_t clip_uint8_vlc( int32_t a )
592 if( a&(~255) ) return (-a)>>31;
596 /* Count leading zeroes */
598 static inline unsigned clz (unsigned x)
601 return __builtin_clz (x);
603 unsigned i = sizeof (x) * 8;
614 #define clz8( x ) (clz(x) - ((sizeof(unsigned) - sizeof (uint8_t)) * 8))
615 #define clz16( x ) (clz(x) - ((sizeof(unsigned) - sizeof (uint16_t)) * 8))
616 /* XXX: this assumes that int is 32-bits or more */
617 #define clz32( x ) (clz(x) - ((sizeof(unsigned) - sizeof (uint32_t)) * 8))
619 /* Free and set set the variable to NULL */
620 #define FREENULL(a) do { free( a ); a = NULL; } while(0)
622 #define EMPTY_STR(str) (!str || !*str)
624 VLC_EXPORT( char const *, vlc_error, ( int ) LIBVLC_USED );
626 #include <vlc_arrays.h>
628 /* MSB (big endian)/LSB (little endian) conversions - network order is always
629 * MSB, and should be used for both network communications and files. */
631 static inline uint16_t U16_AT( const void * _p )
633 const uint8_t * p = (const uint8_t *)_p;
634 return ( ((uint16_t)p[0] << 8) | p[1] );
638 static inline uint32_t U32_AT( const void * _p )
640 const uint8_t * p = (const uint8_t *)_p;
641 return ( ((uint32_t)p[0] << 24) | ((uint32_t)p[1] << 16)
642 | ((uint32_t)p[2] << 8) | p[3] );
646 static inline uint64_t U64_AT( const void * _p )
648 const uint8_t * p = (const uint8_t *)_p;
649 return ( ((uint64_t)p[0] << 56) | ((uint64_t)p[1] << 48)
650 | ((uint64_t)p[2] << 40) | ((uint64_t)p[3] << 32)
651 | ((uint64_t)p[4] << 24) | ((uint64_t)p[5] << 16)
652 | ((uint64_t)p[6] << 8) | p[7] );
656 static inline uint16_t GetWLE( const void * _p )
658 const uint8_t * p = (const uint8_t *)_p;
659 return ( ((uint16_t)p[1] << 8) | p[0] );
663 static inline uint32_t GetDWLE( const void * _p )
665 const uint8_t * p = (const uint8_t *)_p;
666 return ( ((uint32_t)p[3] << 24) | ((uint32_t)p[2] << 16)
667 | ((uint32_t)p[1] << 8) | p[0] );
671 static inline uint64_t GetQWLE( const void * _p )
673 const uint8_t * p = (const uint8_t *)_p;
674 return ( ((uint64_t)p[7] << 56) | ((uint64_t)p[6] << 48)
675 | ((uint64_t)p[5] << 40) | ((uint64_t)p[4] << 32)
676 | ((uint64_t)p[3] << 24) | ((uint64_t)p[2] << 16)
677 | ((uint64_t)p[1] << 8) | p[0] );
680 #define GetWBE( p ) U16_AT( p )
681 #define GetDWBE( p ) U32_AT( p )
682 #define GetQWBE( p ) U64_AT( p )
684 /* Helper writer functions */
685 #define SetWLE( p, v ) _SetWLE( (uint8_t*)(p), v)
686 static inline void _SetWLE( uint8_t *p, uint16_t i_dw )
688 p[1] = ( i_dw >> 8 )&0xff;
689 p[0] = ( i_dw )&0xff;
692 #define SetDWLE( p, v ) _SetDWLE( (uint8_t*)(p), v)
693 static inline void _SetDWLE( uint8_t *p, uint32_t i_dw )
695 p[3] = ( i_dw >> 24 )&0xff;
696 p[2] = ( i_dw >> 16 )&0xff;
697 p[1] = ( i_dw >> 8 )&0xff;
698 p[0] = ( i_dw )&0xff;
700 #define SetQWLE( p, v ) _SetQWLE( (uint8_t*)(p), v)
701 static inline void _SetQWLE( uint8_t *p, uint64_t i_qw )
703 SetDWLE( p, i_qw&0xffffffff );
704 SetDWLE( p+4, ( i_qw >> 32)&0xffffffff );
706 #define SetWBE( p, v ) _SetWBE( (uint8_t*)(p), v)
707 static inline void _SetWBE( uint8_t *p, uint16_t i_dw )
709 p[0] = ( i_dw >> 8 )&0xff;
710 p[1] = ( i_dw )&0xff;
713 #define SetDWBE( p, v ) _SetDWBE( (uint8_t*)(p), v)
714 static inline void _SetDWBE( uint8_t *p, uint32_t i_dw )
716 p[0] = ( i_dw >> 24 )&0xff;
717 p[1] = ( i_dw >> 16 )&0xff;
718 p[2] = ( i_dw >> 8 )&0xff;
719 p[3] = ( i_dw )&0xff;
721 #define SetQWBE( p, v ) _SetQWBE( (uint8_t*)(p), v)
722 static inline void _SetQWBE( uint8_t *p, uint64_t i_qw )
724 SetDWBE( p+4, i_qw&0xffffffff );
725 SetDWBE( p, ( i_qw >> 32)&0xffffffff );
728 #define hton16(i) htons(i)
729 #define hton32(i) htonl(i)
730 #define ntoh16(i) ntohs(i)
731 #define ntoh32(i) ntohl(i)
734 static inline uint64_t ntoh64 (uint64_t ll)
736 union { uint64_t qw; uint8_t b[16]; } v = { ll };
737 return ((uint64_t)v.b[0] << 56)
738 | ((uint64_t)v.b[1] << 48)
739 | ((uint64_t)v.b[2] << 40)
740 | ((uint64_t)v.b[3] << 32)
741 | ((uint64_t)v.b[4] << 24)
742 | ((uint64_t)v.b[5] << 16)
743 | ((uint64_t)v.b[6] << 8)
744 | ((uint64_t)v.b[7] << 0);
746 #define hton64(i) ntoh64(i)
749 #define VLC_UNUSED(x) (void)(x)
751 /* Stuff defined in src/extras/libc.c */
753 #if defined(WIN32) || defined(UNDER_CE)
754 /* win32, cl and icl support */
755 # if defined( _MSC_VER ) || !defined( __MINGW32__ )
756 # define __attribute__(x)
757 # define __inline__ __inline
758 # define S_IFBLK 0x3000 /* Block */
759 # define S_ISBLK(m) (0)
760 # define S_ISCHR(m) (0)
761 # define S_ISFIFO(m) (((m)&_S_IFMT) == _S_IFIFO)
762 # define S_ISREG(m) (((m)&_S_IFMT) == _S_IFREG)
765 /* several type definitions */
766 # if defined( __MINGW32__ )
767 # if !defined( _OFF_T_ )
768 typedef long long _off_t;
769 typedef _off_t off_t;
775 # define off_t long long
779 # if defined( _MSC_VER ) && !defined( __WXMSW__ )
780 # if !defined( _OFF_T_DEFINED )
781 typedef __int64 off_t;
782 # define _OFF_T_DEFINED
784 /* for wx compatibility typedef long off_t; */
785 # define off_t __int64
789 # if defined( __BORLANDC__ )
791 # define off_t unsigned __int64
795 # define O_NONBLOCK 0
799 # define alloca _alloca
805 VLC_EXPORT( bool, vlc_ureduce, ( unsigned *, unsigned *, uint64_t, uint64_t, uint64_t ) );
807 VLC_EXPORT( void *, vlc_memalign, ( void **base, size_t alignment, size_t size ) LIBVLC_USED );
809 /* execve wrapper (defined in src/extras/libc.c) */
810 VLC_EXPORT( int, vlc_execve, ( vlc_object_t *p_object, int i_argc, char *const *pp_argv, char *const *pp_env, const char *psz_cwd, const char *p_in, size_t i_in, char **pp_data, size_t *pi_data ) LIBVLC_USED );
811 #define vlc_execve(a,b,c,d,e,f,g,h,i) vlc_execve(VLC_OBJECT(a),b,c,d,e,f,g,h,i)
813 /* Fast large memory copy and memory set */
814 VLC_EXPORT( void *, vlc_memcpy, ( void *, const void *, size_t ) );
815 VLC_EXPORT( void *, vlc_memset, ( void *, int, size_t ) );
817 /*****************************************************************************
819 *****************************************************************************/
820 VLC_EXPORT( char *, vlc_gettext, ( const char *msgid ) LIBVLC_FORMAT_ARG(1) );
822 #define vlc_pgettext( ctx, id ) \
823 vlc_pgettext_aux( ctx "\004" id, id )
826 static inline const char *vlc_pgettext_aux( const char *ctx, const char *id )
828 const char *tr = vlc_gettext( ctx );
829 return (tr == ctx) ? id : tr;
832 /*****************************************************************************
833 * Loosy memory allocation functions. Do not use in new code.
834 *****************************************************************************/
835 static inline void *xmalloc (size_t len)
837 void *ptr = malloc (len);
838 if (unlikely (ptr == NULL))
843 static inline void *xrealloc (void *ptr, size_t len)
845 void *nptr = realloc (ptr, len);
846 if (unlikely (nptr == NULL))
851 /*****************************************************************************
853 *****************************************************************************/
854 VLC_EXPORT( const char *, VLC_CompileBy, ( void ) LIBVLC_USED );
855 VLC_EXPORT( const char *, VLC_CompileHost, ( void ) LIBVLC_USED );
856 VLC_EXPORT( const char *, VLC_Compiler, ( void ) LIBVLC_USED );
858 /*****************************************************************************
859 * Additional vlc stuff
860 *****************************************************************************/
861 #include "vlc_messages.h"
862 #include "vlc_objects.h"
863 #include "vlc_variables.h"
864 #include "vlc_main.h"
865 #include "vlc_configuration.h"
867 #if defined( WIN32 ) || defined( UNDER_CE )
868 # define DIR_SEP_CHAR '\\'
869 # define DIR_SEP "\\"
870 # define PATH_SEP_CHAR ';'
871 # define PATH_SEP ";"
873 # define DIR_SEP_CHAR '/'
875 # define PATH_SEP_CHAR ':'
876 # define PATH_SEP ":"
879 #define LICENSE_MSG \
880 _("This program comes with NO WARRANTY, to the extent permitted by " \
881 "law.\nYou may redistribute it under the terms of the GNU General " \
882 "Public License;\nsee the file named COPYING for details.\n" \
883 "Written by the VideoLAN team; see the AUTHORS file.\n")
885 #endif /* !VLC_COMMON_H */