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))
96 # if VLC_GCC_VERSION(3,4)
97 # define VLC_USED __attribute__ ((warn_unused_result))
103 # define VLC_DEPRECATED
104 # define VLC_FORMAT(x,y)
105 # define VLC_FORMAT_ARG(x)
111 /* Branch prediction */
113 # define likely(p) __builtin_expect(!!(p), 1)
114 # define unlikely(p) __builtin_expect(!!(p), 0)
116 # define likely(p) (!!(p))
117 # define unlikely(p) (!!(p))
122 # define VLC_EXTERN extern "C"
127 #if defined (WIN32) && defined (DLL_EXPORT)
128 # define VLC_EXPORT __declspec(dllexport)
129 #elif VLC_GCC_VERSION(4,0)
130 # define VLC_EXPORT __attribute__((visibility("default")))
135 #define VLC_API VLC_EXTERN VLC_EXPORT
138 /*****************************************************************************
139 * Basic types definitions
140 *****************************************************************************/
141 #if defined( WIN32 ) || defined( UNDER_CE )
144 # define PATH_MAX MAX_PATH
149 #include <sys/syslimits.h>
152 /* Counter for statistics and profiling */
153 typedef unsigned long count_t;
156 typedef uint16_t audio_volume_t;
159 * High precision date or time interval
161 * Store a high precision date or time interval. The maximum precision is the
162 * microsecond, and a 64 bits integer is used to avoid overflows (maximum
163 * time interval is then 292271 years, which should be long enough for any
164 * video). Dates are stored as microseconds since a common date (usually the
165 * epoch). Note that date and time intervals can be manipulated using regular
166 * arithmetic operators, and that no special functions are required.
168 typedef int64_t mtime_t;
171 * The vlc_fourcc_t type.
173 * See http://www.webartz.com/fourcc/ for a very detailed list.
175 typedef uint32_t vlc_fourcc_t;
177 #ifdef WORDS_BIGENDIAN
178 # define VLC_FOURCC( a, b, c, d ) \
179 ( ((uint32_t)d) | ( ((uint32_t)c) << 8 ) \
180 | ( ((uint32_t)b) << 16 ) | ( ((uint32_t)a) << 24 ) )
181 # define VLC_TWOCC( a, b ) \
182 ( (uint16_t)(b) | ( (uint16_t)(a) << 8 ) )
185 # define VLC_FOURCC( a, b, c, d ) \
186 ( ((uint32_t)a) | ( ((uint32_t)b) << 8 ) \
187 | ( ((uint32_t)c) << 16 ) | ( ((uint32_t)d) << 24 ) )
188 # define VLC_TWOCC( a, b ) \
189 ( (uint16_t)(a) | ( (uint16_t)(b) << 8 ) )
194 * Translate a vlc_fourcc into its string representation. This function
195 * assumes there is enough room in psz_fourcc to store 4 characters in.
197 * \param fcc a vlc_fourcc_t
198 * \param psz_fourcc string to store string representation of vlc_fourcc in
200 static inline void vlc_fourcc_to_char( vlc_fourcc_t fcc, char *psz_fourcc )
202 memcpy( psz_fourcc, &fcc, 4 );
205 #define vlc_fourcc_to_char( a, b ) \
206 vlc_fourcc_to_char( (vlc_fourcc_t)(a), (char *)(b) )
208 /*****************************************************************************
209 * Classes declaration
210 *****************************************************************************/
213 typedef struct vlc_list_t vlc_list_t;
214 typedef struct vlc_object_t vlc_object_t;
215 typedef struct libvlc_int_t libvlc_int_t;
216 typedef struct date_t date_t;
225 PLAYLIST_PLAY, /**< No arg. res=can fail*/
226 PLAYLIST_VIEWPLAY, /**< arg1= playlist_item_t*,*/
227 /** arg2 = playlist_item_t* , res=can fail */
228 PLAYLIST_PAUSE, /**< No arg res=can fail*/
229 PLAYLIST_STOP, /**< No arg res=can fail*/
230 PLAYLIST_SKIP, /**< arg1=int, res=can fail*/
231 } playlist_command_t;
234 typedef struct playlist_t playlist_t;
235 typedef struct playlist_item_t playlist_item_t;
236 typedef struct playlist_view_t playlist_view_t;
237 typedef struct services_discovery_t services_discovery_t;
238 typedef struct services_discovery_sys_t services_discovery_sys_t;
239 typedef struct playlist_add_t playlist_add_t;
242 typedef struct module_t module_t;
243 typedef struct module_config_t module_config_t;
245 typedef struct config_category_t config_category_t;
248 typedef struct input_thread_t input_thread_t;
249 typedef struct input_item_t input_item_t;
250 typedef struct input_item_node_t input_item_node_t;
251 typedef struct access_t access_t;
252 typedef struct access_sys_t access_sys_t;
253 typedef struct stream_t stream_t;
254 typedef struct stream_sys_t stream_sys_t;
255 typedef struct demux_t demux_t;
256 typedef struct demux_sys_t demux_sys_t;
257 typedef struct es_out_t es_out_t;
258 typedef struct es_out_id_t es_out_id_t;
259 typedef struct es_out_sys_t es_out_sys_t;
260 typedef struct seekpoint_t seekpoint_t;
261 typedef struct info_t info_t;
262 typedef struct info_category_t info_category_t;
263 typedef struct input_attachment_t input_attachment_t;
266 typedef struct audio_format_t audio_format_t;
267 typedef struct video_format_t video_format_t;
268 typedef struct subs_format_t subs_format_t;
269 typedef struct es_format_t es_format_t;
270 typedef struct video_palette_t video_palette_t;
273 typedef struct audio_output audio_output_t;
274 typedef struct aout_sys_t aout_sys_t;
275 typedef struct aout_fifo_t aout_fifo_t;
276 typedef struct aout_input_t aout_input_t;
277 typedef struct block_t aout_buffer_t;
278 typedef audio_format_t audio_sample_format_t;
281 typedef struct vout_thread_t vout_thread_t;
283 typedef video_format_t video_frame_format_t;
284 typedef struct picture_t picture_t;
285 typedef struct picture_sys_t picture_sys_t;
288 typedef struct spu_t spu_t;
289 typedef struct subpicture_t subpicture_t;
290 typedef struct subpicture_sys_t subpicture_sys_t;
291 typedef struct subpicture_region_t subpicture_region_t;
293 typedef struct image_handler_t image_handler_t;
296 typedef struct sout_instance_t sout_instance_t;
297 typedef struct sout_instance_sys_t sout_instance_sys_t;
299 typedef struct sout_input_t sout_input_t;
300 typedef struct sout_packetizer_input_t sout_packetizer_input_t;
302 typedef struct sout_access_out_t sout_access_out_t;
303 typedef struct sout_access_out_sys_t sout_access_out_sys_t;
305 typedef struct sout_mux_t sout_mux_t;
306 typedef struct sout_mux_sys_t sout_mux_sys_t;
308 typedef struct sout_stream_t sout_stream_t;
309 typedef struct sout_stream_sys_t sout_stream_sys_t;
311 typedef struct config_chain_t config_chain_t;
312 typedef struct session_descriptor_t session_descriptor_t;
315 typedef struct decoder_t decoder_t;
316 typedef struct decoder_sys_t decoder_sys_t;
317 typedef struct decoder_synchro_t decoder_synchro_t;
320 typedef struct encoder_t encoder_t;
321 typedef struct encoder_sys_t encoder_sys_t;
324 typedef struct filter_t filter_t;
325 typedef struct filter_sys_t filter_sys_t;
328 typedef struct virtual_socket_t v_socket_t;
329 typedef struct vlc_acl_t vlc_acl_t;
330 typedef struct vlc_url_t vlc_url_t;
333 typedef struct iso639_lang_t iso639_lang_t;
336 typedef struct block_t block_t;
337 typedef struct block_fifo_t block_fifo_t;
340 typedef struct httpd_t httpd_t;
341 typedef struct httpd_host_t httpd_host_t;
342 typedef struct httpd_url_t httpd_url_t;
343 typedef struct httpd_client_t httpd_client_t;
344 typedef struct httpd_callback_sys_t httpd_callback_sys_t;
345 typedef struct httpd_message_t httpd_message_t;
346 typedef int (*httpd_callback_t)( httpd_callback_sys_t *, httpd_client_t *, httpd_message_t *answer, const httpd_message_t *query );
347 typedef struct httpd_file_t httpd_file_t;
348 typedef struct httpd_file_sys_t httpd_file_sys_t;
349 typedef int (*httpd_file_callback_t)( httpd_file_sys_t *, httpd_file_t *, uint8_t *psz_request, uint8_t **pp_data, int *pi_data );
350 typedef struct httpd_handler_t httpd_handler_t;
351 typedef struct httpd_handler_sys_t httpd_handler_sys_t;
352 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 );
353 typedef struct httpd_redirect_t httpd_redirect_t;
354 typedef struct httpd_stream_t httpd_stream_t;
357 typedef struct md5_s md5_t;
360 typedef struct xml_t xml_t;
361 typedef struct xml_sys_t xml_sys_t;
362 typedef struct xml_reader_t xml_reader_t;
363 typedef struct xml_reader_sys_t xml_reader_sys_t;
366 typedef struct vod_t vod_t;
367 typedef struct vod_sys_t vod_sys_t;
368 typedef struct vod_media_t vod_media_t;
371 typedef struct osd_menu_t osd_menu_t;
372 typedef struct osd_state_t osd_state_t;
373 typedef struct osd_event_t osd_event_t;
374 typedef struct osd_button_t osd_button_t;
375 typedef struct osd_menu_state_t osd_menu_state_t;
378 typedef struct vlm_t vlm_t;
379 typedef struct vlm_message_t vlm_message_t;
382 typedef struct vlc_meta_t vlc_meta_t;
385 typedef struct counter_t counter_t;
386 typedef struct counter_sample_t counter_sample_t;
387 typedef struct stats_handler_t stats_handler_t;
388 typedef struct input_stats_t input_stats_t;
391 typedef struct update_t update_t;
392 typedef struct update_iterator_t update_iterator_t;
395 typedef struct meta_engine_t meta_engine_t;
397 /* stat/lstat/fstat */
399 #include <sys/stat.h>
403 #define stat _stati64
404 #define fstat _fstati64
407 /* You should otherwise use vlc_stat and vlc_lstat. */
413 * VLC value structure
422 vlc_object_t * p_object;
425 struct { int32_t x; int32_t y; } coords;
435 vlc_value_t * p_values;
440 /*****************************************************************************
441 * Error values (shouldn't be exposed)
442 *****************************************************************************/
443 #define VLC_SUCCESS -0 /* No error */
444 #define VLC_ENOMEM -1 /* Not enough memory */
445 #define VLC_ETIMEOUT -3 /* Timeout */
447 #define VLC_ENOMOD -10 /* Module not found */
449 #define VLC_ENOOBJ -20 /* Object not found */
451 #define VLC_ENOVAR -30 /* Variable not found */
452 #define VLC_EBADVAR -31 /* Bad variable value */
454 #define VLC_ENOITEM -40 /**< Item not found */
456 #define VLC_EEXIT -255 /* Program exited */
457 #define VLC_EEXITSUCCESS -999 /* Program exited successfully */
458 #define VLC_EGENERIC -666 /* Generic error */
460 /*****************************************************************************
462 *****************************************************************************/
463 typedef int ( * vlc_callback_t ) ( vlc_object_t *, /* variable's object */
464 char const *, /* variable name */
465 vlc_value_t, /* old value */
466 vlc_value_t, /* new value */
467 void * ); /* callback data */
469 /*****************************************************************************
470 * OS-specific headers and thread types
471 *****************************************************************************/
472 #if defined( WIN32 ) || defined( UNDER_CE )
473 # define WIN32_LEAN_AND_MEAN
474 # include <windows.h>
477 #include "vlc_mtime.h"
478 #include "vlc_threads.h"
481 * Memory storage space for an atom. Never access it directly.
485 volatile uintptr_t u;
489 /*****************************************************************************
490 * Common structure members
491 *****************************************************************************/
493 /* VLC_COMMON_MEMBERS : members common to all basic vlc objects */
494 #define VLC_COMMON_MEMBERS \
495 /** \name VLC_COMMON_MEMBERS \
496 * these members are common for all vlc objects \
499 const char *psz_object_type; \
501 /* Messages header */ \
505 /* Object properties */ \
506 volatile bool b_die; /**< set by the outside */ \
507 bool b_force; /**< set by the outside (eg. module_need()) */ \
509 /* Stuff related to the libvlc structure */ \
510 libvlc_int_t *p_libvlc; /**< (root of all evil) - 1 */ \
512 vlc_object_t * p_parent; /**< our parent */ \
516 /* VLC_OBJECT: attempt at doing a clever cast */
517 #if VLC_GCC_VERSION(4,0)
519 # define VLC_OBJECT( x ) \
520 __builtin_choose_expr( \
521 __builtin_offsetof(__typeof__(*(x)), psz_object_type), \
522 (void)0 /* screw you */, \
525 # define VLC_OBJECT( x ) \
526 ((vlc_object_t *)(x) \
527 + 0 * __builtin_offsetof(__typeof__(*(x)), psz_object_type))
530 # define VLC_OBJECT( x ) ((vlc_object_t *)(x))
533 typedef struct gc_object_t
536 void (*pf_destructor) (struct gc_object_t *);
540 * These members are common to all objects that wish to be garbage-collected.
542 #define VLC_GC_MEMBERS gc_object_t vlc_gc_data;
544 VLC_API void * vlc_gc_init(gc_object_t *, void (*)(gc_object_t *));
545 VLC_API void * vlc_hold(gc_object_t *);
546 VLC_API void vlc_release(gc_object_t *);
548 #define vlc_gc_init( a,b ) vlc_gc_init( &(a)->vlc_gc_data, (b) )
549 #define vlc_gc_incref( a ) vlc_hold( &(a)->vlc_gc_data )
550 #define vlc_gc_decref( a ) vlc_release( &(a)->vlc_gc_data )
551 #define vlc_priv( gc, t ) ((t *)(((char *)(gc)) - offsetof(t, vlc_gc_data)))
553 /*****************************************************************************
554 * Macros and inline functions
555 *****************************************************************************/
557 /* CEIL: division with round to nearest greater integer */
558 #define CEIL(n, d) ( ((n) / (d)) + ( ((n) % (d)) ? 1 : 0) )
560 /* PAD: PAD(n, d) = CEIL(n ,d) * d */
561 #define PAD(n, d) ( ((n) % (d)) ? ((((n) / (d)) + 1) * (d)) : (n) )
563 /* __MAX and __MIN: self explanatory */
565 # define __MAX(a, b) ( ((a) > (b)) ? (a) : (b) )
568 # define __MIN(a, b) ( ((a) < (b)) ? (a) : (b) )
572 static inline int64_t GCD ( int64_t a, int64_t b )
583 /* function imported from libavutil/common.h */
585 static inline uint8_t clip_uint8_vlc( int32_t a )
587 if( a&(~255) ) return (-a)>>31;
591 /** Count leading zeroes */
593 static inline unsigned clz (unsigned x)
595 #if VLC_GCC_VERSION(3,4)
596 return __builtin_clz (x);
598 unsigned i = sizeof (x) * 8;
609 #define clz8( x ) (clz(x) - ((sizeof(unsigned) - sizeof (uint8_t)) * 8))
610 #define clz16( x ) (clz(x) - ((sizeof(unsigned) - sizeof (uint16_t)) * 8))
611 /* XXX: this assumes that int is 32-bits or more */
612 #define clz32( x ) (clz(x) - ((sizeof(unsigned) - sizeof (uint32_t)) * 8))
616 static inline unsigned popcount (unsigned x)
618 #if VLC_GCC_VERSION(3,4)
619 return __builtin_popcount (x);
631 /* Free and set set the variable to NULL */
632 #define FREENULL(a) do { free( a ); a = NULL; } while(0)
634 #define EMPTY_STR(str) (!str || !*str)
636 VLC_API char const * vlc_error( int ) VLC_USED;
638 #include <vlc_arrays.h>
640 /* MSB (big endian)/LSB (little endian) conversions - network order is always
641 * MSB, and should be used for both network communications and files. */
643 static inline uint16_t U16_AT( const void * _p )
645 const uint8_t * p = (const uint8_t *)_p;
646 return ( ((uint16_t)p[0] << 8) | p[1] );
650 static inline uint32_t U32_AT( const void * _p )
652 const uint8_t * p = (const uint8_t *)_p;
653 return ( ((uint32_t)p[0] << 24) | ((uint32_t)p[1] << 16)
654 | ((uint32_t)p[2] << 8) | p[3] );
658 static inline uint64_t U64_AT( const void * _p )
660 const uint8_t * p = (const uint8_t *)_p;
661 return ( ((uint64_t)p[0] << 56) | ((uint64_t)p[1] << 48)
662 | ((uint64_t)p[2] << 40) | ((uint64_t)p[3] << 32)
663 | ((uint64_t)p[4] << 24) | ((uint64_t)p[5] << 16)
664 | ((uint64_t)p[6] << 8) | p[7] );
668 static inline uint16_t GetWLE( const void * _p )
670 const uint8_t * p = (const uint8_t *)_p;
671 return ( ((uint16_t)p[1] << 8) | p[0] );
675 static inline uint32_t GetDWLE( const void * _p )
677 const uint8_t * p = (const uint8_t *)_p;
678 return ( ((uint32_t)p[3] << 24) | ((uint32_t)p[2] << 16)
679 | ((uint32_t)p[1] << 8) | p[0] );
683 static inline uint64_t GetQWLE( const void * _p )
685 const uint8_t * p = (const uint8_t *)_p;
686 return ( ((uint64_t)p[7] << 56) | ((uint64_t)p[6] << 48)
687 | ((uint64_t)p[5] << 40) | ((uint64_t)p[4] << 32)
688 | ((uint64_t)p[3] << 24) | ((uint64_t)p[2] << 16)
689 | ((uint64_t)p[1] << 8) | p[0] );
692 #define GetWBE( p ) U16_AT( p )
693 #define GetDWBE( p ) U32_AT( p )
694 #define GetQWBE( p ) U64_AT( p )
696 /* Helper writer functions */
697 #define SetWLE( p, v ) _SetWLE( (uint8_t*)(p), v)
698 static inline void _SetWLE( uint8_t *p, uint16_t i_dw )
700 p[1] = ( i_dw >> 8 )&0xff;
701 p[0] = ( i_dw )&0xff;
704 #define SetDWLE( p, v ) _SetDWLE( (uint8_t*)(p), v)
705 static inline void _SetDWLE( uint8_t *p, uint32_t i_dw )
707 p[3] = ( i_dw >> 24 )&0xff;
708 p[2] = ( i_dw >> 16 )&0xff;
709 p[1] = ( i_dw >> 8 )&0xff;
710 p[0] = ( i_dw )&0xff;
712 #define SetQWLE( p, v ) _SetQWLE( (uint8_t*)(p), v)
713 static inline void _SetQWLE( uint8_t *p, uint64_t i_qw )
715 SetDWLE( p, i_qw&0xffffffff );
716 SetDWLE( p+4, ( i_qw >> 32)&0xffffffff );
718 #define SetWBE( p, v ) _SetWBE( (uint8_t*)(p), v)
719 static inline void _SetWBE( uint8_t *p, uint16_t i_dw )
721 p[0] = ( i_dw >> 8 )&0xff;
722 p[1] = ( i_dw )&0xff;
725 #define SetDWBE( p, v ) _SetDWBE( (uint8_t*)(p), v)
726 static inline void _SetDWBE( uint8_t *p, uint32_t i_dw )
728 p[0] = ( i_dw >> 24 )&0xff;
729 p[1] = ( i_dw >> 16 )&0xff;
730 p[2] = ( i_dw >> 8 )&0xff;
731 p[3] = ( i_dw )&0xff;
733 #define SetQWBE( p, v ) _SetQWBE( (uint8_t*)(p), v)
734 static inline void _SetQWBE( uint8_t *p, uint64_t i_qw )
736 SetDWBE( p+4, i_qw&0xffffffff );
737 SetDWBE( p, ( i_qw >> 32)&0xffffffff );
740 #define hton16(i) htons(i)
741 #define hton32(i) htonl(i)
742 #define ntoh16(i) ntohs(i)
743 #define ntoh32(i) ntohl(i)
746 static inline uint64_t ntoh64 (uint64_t ll)
748 union { uint64_t qw; uint8_t b[16]; } v = { ll };
749 return ((uint64_t)v.b[0] << 56)
750 | ((uint64_t)v.b[1] << 48)
751 | ((uint64_t)v.b[2] << 40)
752 | ((uint64_t)v.b[3] << 32)
753 | ((uint64_t)v.b[4] << 24)
754 | ((uint64_t)v.b[5] << 16)
755 | ((uint64_t)v.b[6] << 8)
756 | ((uint64_t)v.b[7] << 0);
758 #define hton64(i) ntoh64(i)
761 #define VLC_UNUSED(x) (void)(x)
763 /* Stuff defined in src/extras/libc.c */
765 #if defined(WIN32) || defined(UNDER_CE)
766 /* win32, cl and icl support */
767 # if defined( _MSC_VER ) || !defined( __MINGW32__ )
768 # define __attribute__(x)
769 # define S_IFBLK 0x3000 /* Block */
770 # define S_ISBLK(m) (0)
771 # define S_ISCHR(m) (0)
772 # define S_ISFIFO(m) (((m)&_S_IFMT) == _S_IFIFO)
773 # define S_ISREG(m) (((m)&_S_IFMT) == _S_IFREG)
776 /* several type definitions */
777 # if defined( __MINGW32__ )
778 # if !defined( _OFF_T_ )
779 typedef long long _off_t;
780 typedef _off_t off_t;
786 # define off_t long long
790 # if defined( _MSC_VER ) && !defined( __WXMSW__ )
791 # if !defined( _OFF_T_DEFINED )
792 typedef __int64 off_t;
793 # define _OFF_T_DEFINED
795 /* for wx compatibility typedef long off_t; */
796 # define off_t __int64
800 # if defined( __BORLANDC__ )
802 # define off_t unsigned __int64
806 # define O_NONBLOCK 0
810 # define alloca _alloca
816 VLC_API bool vlc_ureduce( unsigned *, unsigned *, uint64_t, uint64_t, uint64_t );
818 VLC_API void * vlc_memalign( void **base, size_t alignment, size_t size ) VLC_USED;
820 VLC_API void vlc_tdestroy( void *, void (*)(void *) );
822 /* Fast large memory copy and memory set */
823 VLC_API void * vlc_memcpy( void *, const void *, size_t );
824 #define vlc_memset memset
826 /*****************************************************************************
828 *****************************************************************************/
829 VLC_API char * vlc_gettext( const char *msgid ) VLC_FORMAT_ARG(1);
831 #define vlc_pgettext( ctx, id ) \
832 vlc_pgettext_aux( ctx "\004" id, id )
835 static inline const char *vlc_pgettext_aux( const char *ctx, const char *id )
837 const char *tr = vlc_gettext( ctx );
838 return (tr == ctx) ? id : tr;
841 /*****************************************************************************
842 * Loosy memory allocation functions. Do not use in new code.
843 *****************************************************************************/
844 static inline void *xmalloc (size_t len)
846 void *ptr = malloc (len);
847 if (unlikely (ptr == NULL))
852 static inline void *xrealloc (void *ptr, size_t len)
854 void *nptr = realloc (ptr, len);
855 if (unlikely (nptr == NULL))
860 static inline void *xcalloc (size_t n, size_t size)
862 void *ptr = calloc (n, size);
863 if (unlikely (ptr == NULL))
868 /*****************************************************************************
870 *****************************************************************************/
871 VLC_API const char * VLC_CompileBy( void ) VLC_USED;
872 VLC_API const char * VLC_CompileHost( void ) VLC_USED;
873 VLC_API const char * VLC_Compiler( void ) VLC_USED;
875 /*****************************************************************************
876 * Additional vlc stuff
877 *****************************************************************************/
878 #include "vlc_messages.h"
879 #include "vlc_objects.h"
880 #include "vlc_variables.h"
881 #include "vlc_main.h"
882 #include "vlc_configuration.h"
884 #if defined( WIN32 ) || defined( UNDER_CE ) || defined( __SYMBIAN32__ ) || defined( __OS2__ )
885 # define DIR_SEP_CHAR '\\'
886 # define DIR_SEP "\\"
887 # define PATH_SEP_CHAR ';'
888 # define PATH_SEP ";"
890 # define DIR_SEP_CHAR '/'
892 # define PATH_SEP_CHAR ':'
893 # define PATH_SEP ":"
896 #define LICENSE_MSG \
897 _("This program comes with NO WARRANTY, to the extent permitted by " \
898 "law.\nYou may redistribute it under the terms of the GNU General " \
899 "Public License;\nsee the file named COPYING for details.\n" \
900 "Written by the VideoLAN team; see the AUTHORS file.\n")
902 #endif /* !VLC_COMMON_H */