1 /*****************************************************************************
2 * common.h: common definitions
3 * Collection of useful common types and macros definitions
4 *****************************************************************************
5 * Copyright (C) 1998-2011 the VideoLAN team
7 * Authors: Samuel Hocevar <sam@via.ecp.fr>
8 * Vincent Seguin <seguin@via.ecp.fr>
9 * Gildas Bazin <gbazin@videolan.org>
10 * RĂ©mi Denis-Courmont
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 /* Helper for GCC version checks */
61 # define VLC_GCC_VERSION(maj,min) \
62 ((__GNUC__ > (maj)) || (__GNUC__ == (maj) && __GNUC_MINOR__ >= (min)))
64 # define VLC_GCC_VERSION(maj,min) (0)
67 /* Try to fix format strings for all versions of mingw and mingw64 */
68 #if defined( _WIN32 ) && defined( __USE_MINGW_ANSI_STDIO )
79 #define snprintf __mingw_snprintf
80 #define vsnprintf __mingw_vsnprintf
83 /* Function attributes for compiler warnings */
85 # define VLC_DEPRECATED __attribute__((deprecated))
87 # if defined( _WIN32 ) && VLC_GCC_VERSION(4,4)
88 # define VLC_FORMAT(x,y) __attribute__ ((format(gnu_printf,x,y)))
90 # define VLC_FORMAT(x,y) __attribute__ ((format(printf,x,y)))
92 # define VLC_FORMAT_ARG(x) __attribute__ ((format_arg(x)))
94 # define VLC_MALLOC __attribute__ ((malloc))
95 # define VLC_NORETURN __attribute__ ((noreturn))
97 # if VLC_GCC_VERSION(3,4)
98 # define VLC_USED __attribute__ ((warn_unused_result))
104 # define VLC_DEPRECATED
105 # define VLC_FORMAT(x,y)
106 # define VLC_FORMAT_ARG(x)
108 # define VLC_NORETURN
113 /* Branch prediction */
115 # define likely(p) __builtin_expect(!!(p), 1)
116 # define unlikely(p) __builtin_expect(!!(p), 0)
118 # define likely(p) (!!(p))
119 # define unlikely(p) (!!(p))
124 # define VLC_EXTERN extern "C"
129 #if defined (WIN32) && defined (DLL_EXPORT)
130 # define VLC_EXPORT __declspec(dllexport)
131 #elif VLC_GCC_VERSION(4,0)
132 # define VLC_EXPORT __attribute__((visibility("default")))
137 #define VLC_API VLC_EXTERN VLC_EXPORT
140 /*****************************************************************************
141 * Basic types definitions
142 *****************************************************************************/
143 #if defined( WIN32 ) || defined( UNDER_CE )
146 # define PATH_MAX MAX_PATH
151 #include <sys/syslimits.h>
154 /* Counter for statistics and profiling */
155 typedef unsigned long count_t;
158 typedef uint16_t audio_volume_t;
161 * High precision date or time interval
163 * Store a high precision date or time interval. The maximum precision is the
164 * microsecond, and a 64 bits integer is used to avoid overflows (maximum
165 * time interval is then 292271 years, which should be long enough for any
166 * video). Dates are stored as microseconds since a common date (usually the
167 * epoch). Note that date and time intervals can be manipulated using regular
168 * arithmetic operators, and that no special functions are required.
170 typedef int64_t mtime_t;
173 * The vlc_fourcc_t type.
175 * See http://www.webartz.com/fourcc/ for a very detailed list.
177 typedef uint32_t vlc_fourcc_t;
179 #ifdef WORDS_BIGENDIAN
180 # define VLC_FOURCC( a, b, c, d ) \
181 ( ((uint32_t)d) | ( ((uint32_t)c) << 8 ) \
182 | ( ((uint32_t)b) << 16 ) | ( ((uint32_t)a) << 24 ) )
183 # define VLC_TWOCC( a, b ) \
184 ( (uint16_t)(b) | ( (uint16_t)(a) << 8 ) )
187 # define VLC_FOURCC( a, b, c, d ) \
188 ( ((uint32_t)a) | ( ((uint32_t)b) << 8 ) \
189 | ( ((uint32_t)c) << 16 ) | ( ((uint32_t)d) << 24 ) )
190 # define VLC_TWOCC( a, b ) \
191 ( (uint16_t)(a) | ( (uint16_t)(b) << 8 ) )
196 * Translate a vlc_fourcc into its string representation. This function
197 * assumes there is enough room in psz_fourcc to store 4 characters in.
199 * \param fcc a vlc_fourcc_t
200 * \param psz_fourcc string to store string representation of vlc_fourcc in
202 static inline void vlc_fourcc_to_char( vlc_fourcc_t fcc, char *psz_fourcc )
204 memcpy( psz_fourcc, &fcc, 4 );
207 #define vlc_fourcc_to_char( a, b ) \
208 vlc_fourcc_to_char( (vlc_fourcc_t)(a), (char *)(b) )
210 /*****************************************************************************
211 * Classes declaration
212 *****************************************************************************/
215 typedef struct vlc_list_t vlc_list_t;
216 typedef struct vlc_object_t vlc_object_t;
217 typedef struct libvlc_int_t libvlc_int_t;
218 typedef struct date_t date_t;
227 PLAYLIST_PLAY, /**< No arg. res=can fail*/
228 PLAYLIST_VIEWPLAY, /**< arg1= playlist_item_t*,*/
229 /** arg2 = playlist_item_t* , res=can fail */
230 PLAYLIST_PAUSE, /**< No arg res=can fail*/
231 PLAYLIST_STOP, /**< No arg res=can fail*/
232 PLAYLIST_SKIP, /**< arg1=int, res=can fail*/
233 } playlist_command_t;
236 typedef struct playlist_t playlist_t;
237 typedef struct playlist_item_t playlist_item_t;
238 typedef struct playlist_view_t playlist_view_t;
239 typedef struct services_discovery_t services_discovery_t;
240 typedef struct services_discovery_sys_t services_discovery_sys_t;
241 typedef struct playlist_add_t playlist_add_t;
244 typedef struct module_t module_t;
245 typedef struct module_config_t module_config_t;
247 typedef struct config_category_t config_category_t;
250 typedef struct input_thread_t input_thread_t;
251 typedef struct input_item_t input_item_t;
252 typedef struct input_item_node_t input_item_node_t;
253 typedef struct access_t access_t;
254 typedef struct access_sys_t access_sys_t;
255 typedef struct stream_t stream_t;
256 typedef struct stream_sys_t stream_sys_t;
257 typedef struct demux_t demux_t;
258 typedef struct demux_sys_t demux_sys_t;
259 typedef struct es_out_t es_out_t;
260 typedef struct es_out_id_t es_out_id_t;
261 typedef struct es_out_sys_t es_out_sys_t;
262 typedef struct seekpoint_t seekpoint_t;
263 typedef struct info_t info_t;
264 typedef struct info_category_t info_category_t;
265 typedef struct input_attachment_t input_attachment_t;
268 typedef struct audio_format_t audio_format_t;
269 typedef struct video_format_t video_format_t;
270 typedef struct subs_format_t subs_format_t;
271 typedef struct es_format_t es_format_t;
272 typedef struct video_palette_t video_palette_t;
275 typedef struct audio_output audio_output_t;
276 typedef struct aout_sys_t aout_sys_t;
277 typedef struct aout_fifo_t aout_fifo_t;
278 typedef struct aout_input_t aout_input_t;
279 typedef struct block_t aout_buffer_t;
280 typedef audio_format_t audio_sample_format_t;
283 typedef struct vout_thread_t vout_thread_t;
285 typedef video_format_t video_frame_format_t;
286 typedef struct picture_t picture_t;
287 typedef struct picture_sys_t picture_sys_t;
290 typedef struct spu_t spu_t;
291 typedef struct subpicture_t subpicture_t;
292 typedef struct subpicture_sys_t subpicture_sys_t;
293 typedef struct subpicture_region_t subpicture_region_t;
295 typedef struct image_handler_t image_handler_t;
298 typedef struct sout_instance_t sout_instance_t;
299 typedef struct sout_instance_sys_t sout_instance_sys_t;
301 typedef struct sout_input_t sout_input_t;
302 typedef struct sout_packetizer_input_t sout_packetizer_input_t;
304 typedef struct sout_access_out_t sout_access_out_t;
305 typedef struct sout_access_out_sys_t sout_access_out_sys_t;
307 typedef struct sout_mux_t sout_mux_t;
308 typedef struct sout_mux_sys_t sout_mux_sys_t;
310 typedef struct sout_stream_t sout_stream_t;
311 typedef struct sout_stream_sys_t sout_stream_sys_t;
313 typedef struct config_chain_t config_chain_t;
314 typedef struct session_descriptor_t session_descriptor_t;
317 typedef struct decoder_t decoder_t;
318 typedef struct decoder_sys_t decoder_sys_t;
319 typedef struct decoder_synchro_t decoder_synchro_t;
322 typedef struct encoder_t encoder_t;
323 typedef struct encoder_sys_t encoder_sys_t;
326 typedef struct filter_t filter_t;
327 typedef struct filter_sys_t filter_sys_t;
330 typedef struct virtual_socket_t v_socket_t;
331 typedef struct vlc_acl_t vlc_acl_t;
332 typedef struct vlc_url_t vlc_url_t;
335 typedef struct iso639_lang_t iso639_lang_t;
338 typedef struct block_t block_t;
339 typedef struct block_fifo_t block_fifo_t;
342 typedef struct httpd_t httpd_t;
343 typedef struct httpd_host_t httpd_host_t;
344 typedef struct httpd_url_t httpd_url_t;
345 typedef struct httpd_client_t httpd_client_t;
346 typedef struct httpd_callback_sys_t httpd_callback_sys_t;
347 typedef struct httpd_message_t httpd_message_t;
348 typedef int (*httpd_callback_t)( httpd_callback_sys_t *, httpd_client_t *, httpd_message_t *answer, const httpd_message_t *query );
349 typedef struct httpd_file_t httpd_file_t;
350 typedef struct httpd_file_sys_t httpd_file_sys_t;
351 typedef int (*httpd_file_callback_t)( httpd_file_sys_t *, httpd_file_t *, uint8_t *psz_request, uint8_t **pp_data, int *pi_data );
352 typedef struct httpd_handler_t httpd_handler_t;
353 typedef struct httpd_handler_sys_t httpd_handler_sys_t;
354 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 );
355 typedef struct httpd_redirect_t httpd_redirect_t;
356 typedef struct httpd_stream_t httpd_stream_t;
359 typedef struct md5_s md5_t;
362 typedef struct xml_t xml_t;
363 typedef struct xml_sys_t xml_sys_t;
364 typedef struct xml_reader_t xml_reader_t;
365 typedef struct xml_reader_sys_t xml_reader_sys_t;
368 typedef struct vod_t vod_t;
369 typedef struct vod_sys_t vod_sys_t;
370 typedef struct vod_media_t vod_media_t;
373 typedef struct osd_menu_t osd_menu_t;
374 typedef struct osd_state_t osd_state_t;
375 typedef struct osd_event_t osd_event_t;
376 typedef struct osd_button_t osd_button_t;
377 typedef struct osd_menu_state_t osd_menu_state_t;
380 typedef struct vlm_t vlm_t;
381 typedef struct vlm_message_t vlm_message_t;
384 typedef struct vlc_meta_t vlc_meta_t;
387 typedef struct counter_t counter_t;
388 typedef struct counter_sample_t counter_sample_t;
389 typedef struct stats_handler_t stats_handler_t;
390 typedef struct input_stats_t input_stats_t;
393 typedef struct update_t update_t;
394 typedef struct update_iterator_t update_iterator_t;
397 typedef struct meta_engine_t meta_engine_t;
399 /* stat/lstat/fstat */
401 #include <sys/stat.h>
405 #define stat _stati64
406 #define fstat _fstati64
409 /* You should otherwise use vlc_stat and vlc_lstat. */
415 * VLC value structure
424 vlc_object_t * p_object;
427 struct { int32_t x; int32_t y; } coords;
437 vlc_value_t * p_values;
442 /*****************************************************************************
443 * Error values (shouldn't be exposed)
444 *****************************************************************************/
445 #define VLC_SUCCESS -0 /* No error */
446 #define VLC_ENOMEM -1 /* Not enough memory */
447 #define VLC_ETIMEOUT -3 /* Timeout */
449 #define VLC_ENOMOD -10 /* Module not found */
451 #define VLC_ENOOBJ -20 /* Object not found */
453 #define VLC_ENOVAR -30 /* Variable not found */
454 #define VLC_EBADVAR -31 /* Bad variable value */
456 #define VLC_ENOITEM -40 /**< Item not found */
458 #define VLC_EEXIT -255 /* Program exited */
459 #define VLC_EEXITSUCCESS -999 /* Program exited successfully */
460 #define VLC_EGENERIC -666 /* Generic error */
462 /*****************************************************************************
464 *****************************************************************************/
465 typedef int ( * vlc_callback_t ) ( vlc_object_t *, /* variable's object */
466 char const *, /* variable name */
467 vlc_value_t, /* old value */
468 vlc_value_t, /* new value */
469 void * ); /* callback data */
471 /*****************************************************************************
472 * OS-specific headers and thread types
473 *****************************************************************************/
474 #if defined( WIN32 ) || defined( UNDER_CE )
475 # define WIN32_LEAN_AND_MEAN
476 # include <windows.h>
479 #include "vlc_mtime.h"
480 #include "vlc_threads.h"
483 * Memory storage space for an atom. Never access it directly.
487 volatile uintptr_t u;
491 /*****************************************************************************
492 * Common structure members
493 *****************************************************************************/
495 /* VLC_COMMON_MEMBERS : members common to all basic vlc objects */
496 #define VLC_COMMON_MEMBERS \
497 /** \name VLC_COMMON_MEMBERS \
498 * these members are common for all vlc objects \
501 const char *psz_object_type; \
503 /* Messages header */ \
507 /* Object properties */ \
508 volatile bool b_die; /**< set by the outside */ \
509 bool b_force; /**< set by the outside (eg. module_need()) */ \
511 /* Stuff related to the libvlc structure */ \
512 libvlc_int_t *p_libvlc; /**< (root of all evil) - 1 */ \
514 vlc_object_t * p_parent; /**< our parent */ \
518 /* VLC_OBJECT: attempt at doing a clever cast */
519 #if VLC_GCC_VERSION(4,0)
521 # define VLC_OBJECT( x ) \
522 __builtin_choose_expr( \
523 __builtin_offsetof(__typeof__(*(x)), psz_object_type), \
524 (void)0 /* screw you */, \
527 # define VLC_OBJECT( x ) \
528 ((vlc_object_t *)(x) \
529 + 0 * __builtin_offsetof(__typeof__(*(x)), psz_object_type))
532 # define VLC_OBJECT( x ) ((vlc_object_t *)(x))
535 typedef struct gc_object_t
538 void (*pf_destructor) (struct gc_object_t *);
542 * These members are common to all objects that wish to be garbage-collected.
544 #define VLC_GC_MEMBERS gc_object_t vlc_gc_data;
546 VLC_API void * vlc_gc_init(gc_object_t *, void (*)(gc_object_t *));
547 VLC_API void * vlc_hold(gc_object_t *);
548 VLC_API void vlc_release(gc_object_t *);
550 #define vlc_gc_init( a,b ) vlc_gc_init( &(a)->vlc_gc_data, (b) )
551 #define vlc_gc_incref( a ) vlc_hold( &(a)->vlc_gc_data )
552 #define vlc_gc_decref( a ) vlc_release( &(a)->vlc_gc_data )
553 #define vlc_priv( gc, t ) ((t *)(((char *)(gc)) - offsetof(t, vlc_gc_data)))
555 /*****************************************************************************
556 * Macros and inline functions
557 *****************************************************************************/
559 /* CEIL: division with round to nearest greater integer */
560 #define CEIL(n, d) ( ((n) / (d)) + ( ((n) % (d)) ? 1 : 0) )
562 /* PAD: PAD(n, d) = CEIL(n ,d) * d */
563 #define PAD(n, d) ( ((n) % (d)) ? ((((n) / (d)) + 1) * (d)) : (n) )
565 /* __MAX and __MIN: self explanatory */
567 # define __MAX(a, b) ( ((a) > (b)) ? (a) : (b) )
570 # define __MIN(a, b) ( ((a) < (b)) ? (a) : (b) )
574 static inline int64_t GCD ( int64_t a, int64_t b )
585 /* function imported from libavutil/common.h */
587 static inline uint8_t clip_uint8_vlc( int32_t a )
589 if( a&(~255) ) return (-a)>>31;
593 /** Count leading zeroes */
595 static inline unsigned clz (unsigned x)
597 #if VLC_GCC_VERSION(3,4)
598 return __builtin_clz (x);
600 unsigned i = sizeof (x) * 8;
611 #define clz8( x ) (clz(x) - ((sizeof(unsigned) - sizeof (uint8_t)) * 8))
612 #define clz16( x ) (clz(x) - ((sizeof(unsigned) - sizeof (uint16_t)) * 8))
613 /* XXX: this assumes that int is 32-bits or more */
614 #define clz32( x ) (clz(x) - ((sizeof(unsigned) - sizeof (uint32_t)) * 8))
618 static inline unsigned popcount (unsigned x)
620 #if VLC_GCC_VERSION(3,4)
621 return __builtin_popcount (x);
633 /* Free and set set the variable to NULL */
634 #define FREENULL(a) do { free( a ); a = NULL; } while(0)
636 #define EMPTY_STR(str) (!str || !*str)
638 VLC_API char const * vlc_error( int ) VLC_USED;
640 #include <vlc_arrays.h>
642 /* MSB (big endian)/LSB (little endian) conversions - network order is always
643 * MSB, and should be used for both network communications and files. */
645 static inline uint16_t U16_AT( const void * _p )
647 const uint8_t * p = (const uint8_t *)_p;
648 return ( ((uint16_t)p[0] << 8) | p[1] );
652 static inline uint32_t U32_AT( const void * _p )
654 const uint8_t * p = (const uint8_t *)_p;
655 return ( ((uint32_t)p[0] << 24) | ((uint32_t)p[1] << 16)
656 | ((uint32_t)p[2] << 8) | p[3] );
660 static inline uint64_t U64_AT( const void * _p )
662 const uint8_t * p = (const uint8_t *)_p;
663 return ( ((uint64_t)p[0] << 56) | ((uint64_t)p[1] << 48)
664 | ((uint64_t)p[2] << 40) | ((uint64_t)p[3] << 32)
665 | ((uint64_t)p[4] << 24) | ((uint64_t)p[5] << 16)
666 | ((uint64_t)p[6] << 8) | p[7] );
670 static inline uint16_t GetWLE( const void * _p )
672 const uint8_t * p = (const uint8_t *)_p;
673 return ( ((uint16_t)p[1] << 8) | p[0] );
677 static inline uint32_t GetDWLE( const void * _p )
679 const uint8_t * p = (const uint8_t *)_p;
680 return ( ((uint32_t)p[3] << 24) | ((uint32_t)p[2] << 16)
681 | ((uint32_t)p[1] << 8) | p[0] );
685 static inline uint64_t GetQWLE( const void * _p )
687 const uint8_t * p = (const uint8_t *)_p;
688 return ( ((uint64_t)p[7] << 56) | ((uint64_t)p[6] << 48)
689 | ((uint64_t)p[5] << 40) | ((uint64_t)p[4] << 32)
690 | ((uint64_t)p[3] << 24) | ((uint64_t)p[2] << 16)
691 | ((uint64_t)p[1] << 8) | p[0] );
694 #define GetWBE( p ) U16_AT( p )
695 #define GetDWBE( p ) U32_AT( p )
696 #define GetQWBE( p ) U64_AT( p )
698 /* Helper writer functions */
699 #define SetWLE( p, v ) _SetWLE( (uint8_t*)(p), v)
700 static inline void _SetWLE( uint8_t *p, uint16_t i_dw )
702 p[1] = ( i_dw >> 8 )&0xff;
703 p[0] = ( i_dw )&0xff;
706 #define SetDWLE( p, v ) _SetDWLE( (uint8_t*)(p), v)
707 static inline void _SetDWLE( uint8_t *p, uint32_t i_dw )
709 p[3] = ( i_dw >> 24 )&0xff;
710 p[2] = ( i_dw >> 16 )&0xff;
711 p[1] = ( i_dw >> 8 )&0xff;
712 p[0] = ( i_dw )&0xff;
714 #define SetQWLE( p, v ) _SetQWLE( (uint8_t*)(p), v)
715 static inline void _SetQWLE( uint8_t *p, uint64_t i_qw )
717 SetDWLE( p, i_qw&0xffffffff );
718 SetDWLE( p+4, ( i_qw >> 32)&0xffffffff );
720 #define SetWBE( p, v ) _SetWBE( (uint8_t*)(p), v)
721 static inline void _SetWBE( uint8_t *p, uint16_t i_dw )
723 p[0] = ( i_dw >> 8 )&0xff;
724 p[1] = ( i_dw )&0xff;
727 #define SetDWBE( p, v ) _SetDWBE( (uint8_t*)(p), v)
728 static inline void _SetDWBE( uint8_t *p, uint32_t i_dw )
730 p[0] = ( i_dw >> 24 )&0xff;
731 p[1] = ( i_dw >> 16 )&0xff;
732 p[2] = ( i_dw >> 8 )&0xff;
733 p[3] = ( i_dw )&0xff;
735 #define SetQWBE( p, v ) _SetQWBE( (uint8_t*)(p), v)
736 static inline void _SetQWBE( uint8_t *p, uint64_t i_qw )
738 SetDWBE( p+4, i_qw&0xffffffff );
739 SetDWBE( p, ( i_qw >> 32)&0xffffffff );
742 #define hton16(i) htons(i)
743 #define hton32(i) htonl(i)
744 #define ntoh16(i) ntohs(i)
745 #define ntoh32(i) ntohl(i)
748 static inline uint64_t ntoh64 (uint64_t ll)
750 union { uint64_t qw; uint8_t b[16]; } v = { ll };
751 return ((uint64_t)v.b[0] << 56)
752 | ((uint64_t)v.b[1] << 48)
753 | ((uint64_t)v.b[2] << 40)
754 | ((uint64_t)v.b[3] << 32)
755 | ((uint64_t)v.b[4] << 24)
756 | ((uint64_t)v.b[5] << 16)
757 | ((uint64_t)v.b[6] << 8)
758 | ((uint64_t)v.b[7] << 0);
760 #define hton64(i) ntoh64(i)
763 #define VLC_UNUSED(x) (void)(x)
765 /* Stuff defined in src/extras/libc.c */
767 #if defined(WIN32) || defined(UNDER_CE)
768 /* win32, cl and icl support */
769 # if defined( _MSC_VER ) || !defined( __MINGW32__ )
770 # define __attribute__(x)
771 # define S_IFBLK 0x3000 /* Block */
772 # define S_ISBLK(m) (0)
773 # define S_ISCHR(m) (0)
774 # define S_ISFIFO(m) (((m)&_S_IFMT) == _S_IFIFO)
775 # define S_ISREG(m) (((m)&_S_IFMT) == _S_IFREG)
778 /* several type definitions */
779 # if defined( __MINGW32__ )
780 # if !defined( _OFF_T_ )
781 typedef long long _off_t;
782 typedef _off_t off_t;
788 # define off_t long long
792 # if defined( _MSC_VER ) && !defined( __WXMSW__ )
793 # if !defined( _OFF_T_DEFINED )
794 typedef __int64 off_t;
795 # define _OFF_T_DEFINED
797 /* for wx compatibility typedef long off_t; */
798 # define off_t __int64
802 # if defined( __BORLANDC__ )
804 # define off_t unsigned __int64
808 # define O_NONBLOCK 0
812 # define alloca _alloca
818 VLC_API bool vlc_ureduce( unsigned *, unsigned *, uint64_t, uint64_t, uint64_t );
820 VLC_API void * vlc_memalign( void **base, size_t alignment, size_t size ) VLC_USED;
822 VLC_API void vlc_tdestroy( void *, void (*)(void *) );
824 /* Fast large memory copy and memory set */
825 VLC_API void * vlc_memcpy( void *, const void *, size_t );
826 #define vlc_memset memset
828 /*****************************************************************************
830 *****************************************************************************/
831 VLC_API char * vlc_gettext( const char *msgid ) VLC_FORMAT_ARG(1);
833 #define vlc_pgettext( ctx, id ) \
834 vlc_pgettext_aux( ctx "\004" id, id )
837 static inline const char *vlc_pgettext_aux( const char *ctx, const char *id )
839 const char *tr = vlc_gettext( ctx );
840 return (tr == ctx) ? id : tr;
843 /*****************************************************************************
844 * Loosy memory allocation functions. Do not use in new code.
845 *****************************************************************************/
846 static inline void *xmalloc (size_t len)
848 void *ptr = malloc (len);
849 if (unlikely (ptr == NULL))
854 static inline void *xrealloc (void *ptr, size_t len)
856 void *nptr = realloc (ptr, len);
857 if (unlikely (nptr == NULL))
862 static inline void *xcalloc (size_t n, size_t size)
864 void *ptr = calloc (n, size);
865 if (unlikely (ptr == NULL))
870 /*****************************************************************************
872 *****************************************************************************/
873 VLC_API const char * VLC_CompileBy( void ) VLC_USED;
874 VLC_API const char * VLC_CompileHost( void ) VLC_USED;
875 VLC_API const char * VLC_Compiler( void ) VLC_USED;
877 /*****************************************************************************
878 * Additional vlc stuff
879 *****************************************************************************/
880 #include "vlc_messages.h"
881 #include "vlc_objects.h"
882 #include "vlc_variables.h"
883 #include "vlc_main.h"
884 #include "vlc_configuration.h"
886 #if defined( WIN32 ) || defined( UNDER_CE ) || defined( __SYMBIAN32__ ) || defined( __OS2__ )
887 # define DIR_SEP_CHAR '\\'
888 # define DIR_SEP "\\"
889 # define PATH_SEP_CHAR ';'
890 # define PATH_SEP ";"
892 # define DIR_SEP_CHAR '/'
894 # define PATH_SEP_CHAR ':'
895 # define PATH_SEP ":"
898 #define LICENSE_MSG \
899 _("This program comes with NO WARRANTY, to the extent permitted by " \
900 "law.\nYou may redistribute it under the terms of the GNU General " \
901 "Public License;\nsee the file named COPYING for details.\n" \
902 "Written by the VideoLAN team; see the AUTHORS file.\n")
904 #endif /* !VLC_COMMON_H */