mirror of
https://code.videolan.org/videolan/vlc
synced 2024-09-28 23:09:59 +02:00
bd8f233b0c
Replace typeof by a decltype()-based equivalent on compilers not supporting typeof. Decltype is not equivalent to typeof, but we are mostly concerned about removing references from the type, since it has no use in C code like VLC list. Note that this fixup is there to fix the usage of headers using typeof in C++ code, not to provide "typeof" directly C++ to replace decltype.
695 lines
14 KiB
C++
695 lines
14 KiB
C++
/*****************************************************************************
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* vlc_fixups.h: portability fixups included from config.h
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*****************************************************************************
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* Copyright © 1998-2008 the VideoLAN project
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU Lesser General Public License as published by
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* the Free Software Foundation; either version 2.1 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public License
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* along with this program; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
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*****************************************************************************/
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/**
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* \file
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* This file is a collection of portability fixes
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*/
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#ifndef LIBVLC_FIXUPS_H
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# define LIBVLC_FIXUPS_H 1
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/* needed to detect uClibc */
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#ifdef HAVE_FEATURES_H
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#include <features.h>
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#endif
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/* C++11 says there's no need to define __STDC_*_MACROS when including
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* inttypes.h and stdint.h. */
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#if defined (__cplusplus) && (defined(__MINGW32__) || defined(__UCLIBC__))
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# ifndef __STDC_FORMAT_MACROS
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# define __STDC_FORMAT_MACROS 1
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# endif
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# ifndef __STDC_CONSTANT_MACROS
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# define __STDC_CONSTANT_MACROS 1
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# endif
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# ifndef __STDC_LIMIT_MACROS
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# define __STDC_LIMIT_MACROS 1
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# endif
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#endif
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#ifndef __cplusplus
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# ifdef HAVE_THREADS_H
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# include <threads.h>
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# elif !defined(thread_local)
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# ifdef HAVE_THREAD_LOCAL
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# define thread_local _Thread_local
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# elif defined(_MSC_VER)
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# define thread_local __declspec(thread)
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# endif
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# endif
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#endif
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#if !defined (HAVE_GMTIME_R) || !defined (HAVE_LOCALTIME_R) \
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|| !defined (HAVE_TIMEGM)
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# include <time.h> /* time_t */
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#endif
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|
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#ifndef HAVE_GETTIMEOFDAY
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#ifdef _WIN32
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#include <winsock2.h>
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#else
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#include <sys/time.h>
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#endif
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#endif
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|
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#ifndef HAVE_LLDIV
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typedef struct
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{
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long long quot; /* Quotient. */
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long long rem; /* Remainder. */
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} lldiv_t;
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#endif
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#if !defined(HAVE_GETENV) || \
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!defined(HAVE_USELOCALE)
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# include <stddef.h> /* NULL */
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#endif
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#if !defined (HAVE_REWIND) || \
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!defined (HAVE_GETDELIM)
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# include <stdio.h> /* FILE */
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#endif
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#if !defined (HAVE_ALIGNED_ALLOC) || \
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!defined (HAVE_MEMRCHR) || \
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!defined (HAVE_POSIX_MEMALIGN) || \
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!defined (HAVE_QSORT_R) || \
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!defined (HAVE_STRLCPY) || \
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!defined (HAVE_STRNDUP) || \
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!defined (HAVE_STRNLEN) || \
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!defined (HAVE_STRNSTR)
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# include <stddef.h> /* size_t */
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#endif
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#ifndef HAVE_VASPRINTF
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# include <stdarg.h> /* va_list */
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#endif
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#if !defined (HAVE_GETDELIM) || \
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!defined (HAVE_GETPID) || \
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!defined (HAVE_SWAB)
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# include <sys/types.h> /* ssize_t, pid_t */
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#endif
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#if !defined (HAVE_DIRFD) || \
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!defined (HAVE_FDOPENDIR)
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# include <dirent.h>
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#endif
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#ifdef __cplusplus
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# define VLC_NOTHROW throw ()
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extern "C" {
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#else
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# define VLC_NOTHROW
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#endif
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/* stddef.h */
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#if !defined (__cplusplus) && !defined (HAVE_MAX_ALIGN_T)
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typedef struct {
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long long ll;
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long double ld;
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} max_align_t;
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#endif
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/* stdio.h */
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#ifndef HAVE_ASPRINTF
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int asprintf (char **, const char *, ...);
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#endif
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#ifndef HAVE_FLOCKFILE
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void flockfile (FILE *);
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void funlockfile (FILE *);
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int getc_unlocked (FILE *);
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int getchar_unlocked (void);
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int putc_unlocked (int, FILE *);
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int putchar_unlocked (int);
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#endif
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#ifndef HAVE_GETDELIM
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ssize_t getdelim (char **, size_t *, int, FILE *);
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ssize_t getline (char **, size_t *, FILE *);
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#endif
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#ifndef HAVE_REWIND
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void rewind (FILE *);
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#endif
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#ifndef HAVE_VASPRINTF
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int vasprintf (char **, const char *, va_list);
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#endif
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/* string.h */
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#ifndef HAVE_MEMRCHR
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void *memrchr(const void *, int, size_t);
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#endif
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#ifndef HAVE_STRCASECMP
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int strcasecmp (const char *, const char *);
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#endif
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#ifndef HAVE_STRCASESTR
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char *strcasestr (const char *, const char *);
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#endif
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#ifndef HAVE_STRDUP
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char *strdup (const char *);
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#endif
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#ifndef HAVE_STRVERSCMP
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int strverscmp (const char *, const char *);
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#endif
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#ifndef HAVE_STRNLEN
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size_t strnlen (const char *, size_t);
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#endif
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#ifndef HAVE_STRNSTR
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char * strnstr (const char *, const char *, size_t);
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#endif
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#ifndef HAVE_STRNDUP
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char *strndup (const char *, size_t);
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#endif
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#ifndef HAVE_STRLCPY
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size_t strlcpy (char *, const char *, size_t);
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#endif
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#ifndef HAVE_STRSEP
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char *strsep (char **, const char *);
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#endif
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#ifndef HAVE_STRTOK_R
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char *strtok_r(char *, const char *, char **);
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#endif
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/* stdlib.h */
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#ifndef HAVE_ATOF
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#ifndef __ANDROID__
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double atof (const char *);
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#endif
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#endif
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#ifndef HAVE_ATOLL
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long long atoll (const char *);
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#endif
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#ifndef HAVE_LLDIV
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lldiv_t lldiv (long long, long long);
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#endif
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#ifndef HAVE_STRTOF
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#ifndef __ANDROID__
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float strtof (const char *, char **);
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#endif
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#endif
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#ifndef HAVE_STRTOLL
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long long int strtoll (const char *, char **, int);
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#endif
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/* time.h */
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#ifndef HAVE_GMTIME_R
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struct tm *gmtime_r (const time_t *, struct tm *);
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#endif
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#ifndef HAVE_LOCALTIME_R
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struct tm *localtime_r (const time_t *, struct tm *);
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#endif
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#ifndef HAVE_TIMEGM
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time_t timegm(struct tm *);
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#endif
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#ifndef HAVE_TIMESPEC_GET
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#define TIME_UTC 1
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struct timespec;
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int timespec_get(struct timespec *, int);
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#endif
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/* sys/time.h */
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#ifndef HAVE_GETTIMEOFDAY
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struct timezone;
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int gettimeofday(struct timeval *, struct timezone *);
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#endif
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/* unistd.h */
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#ifndef HAVE_GETPID
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pid_t getpid (void) VLC_NOTHROW;
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#endif
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#ifndef HAVE_FSYNC
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int fsync (int fd);
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#endif
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/* dirent.h */
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#ifndef HAVE_DIRFD
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int (dirfd) (DIR *);
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#endif
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#ifndef HAVE_FDOPENDIR
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DIR *fdopendir (int);
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#endif
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#ifdef __cplusplus
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} /* extern "C" */
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#endif
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/* stdlib.h */
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#ifndef HAVE_GETENV
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static inline char *getenv (const char *name)
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{
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(void)name;
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return NULL;
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}
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#endif
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#ifdef __cplusplus
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extern "C" {
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#endif
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#ifndef HAVE_SETENV
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int setenv (const char *, const char *, int);
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int unsetenv (const char *);
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#endif
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#ifndef HAVE_POSIX_MEMALIGN
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int posix_memalign(void **, size_t, size_t);
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#endif
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#ifndef HAVE_ALIGNED_ALLOC
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void *aligned_alloc(size_t, size_t);
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#endif
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#ifdef __cplusplus
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} /* extern "C" */
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#endif
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#if defined (_WIN32) && defined(__MINGW32__)
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#define aligned_free(ptr) __mingw_aligned_free(ptr)
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#elif defined (_WIN32) && defined(_MSC_VER)
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#define aligned_free(ptr) _aligned_free(ptr)
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#else
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#define aligned_free(ptr) free(ptr)
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#endif
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#if !defined(HAVE_NEWLOCALE) && defined(HAVE_CXX_LOCALE_T) && defined(__cplusplus)
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# include <locale>
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# define HAVE_NEWLOCALE
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#endif
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/* locale.h */
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#ifndef HAVE_USELOCALE
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# ifndef HAVE_NEWLOCALE
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# define LC_ALL_MASK 0
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# define LC_NUMERIC_MASK 0
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# define LC_MESSAGES_MASK 0
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# define LC_GLOBAL_LOCALE ((locale_t)(uintptr_t)1)
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typedef void *locale_t;
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static inline void freelocale(locale_t loc)
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{
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(void)loc;
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}
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static inline locale_t newlocale(int mask, const char * locale, locale_t base)
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{
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(void)mask; (void)locale; (void)base;
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return NULL;
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}
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# else
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# include <locale.h>
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# endif
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static inline locale_t uselocale(locale_t loc)
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{
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(void)loc;
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return NULL;
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}
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#endif
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#if !defined (HAVE_STATIC_ASSERT) && !defined(__cpp_static_assert)
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# define STATIC_ASSERT_CONCAT_(a, b) a##b
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# define STATIC_ASSERT_CONCAT(a, b) STATIC_ASSERT_CONCAT_(a, b)
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# define _Static_assert(x, s) extern char STATIC_ASSERT_CONCAT(static_assert_, __LINE__)[sizeof(struct { unsigned:-!(x); })]
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# define static_assert _Static_assert
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#endif
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/* libintl support */
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#define _(str) vlc_gettext (str)
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#define N_(str) gettext_noop (str)
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#define gettext_noop(str) (str)
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#ifdef __cplusplus
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extern "C" {
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#endif
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#ifndef HAVE_SWAB
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void swab (const void *, void *, ssize_t);
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#endif
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/* Socket stuff */
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#ifndef HAVE_INET_PTON
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# ifndef _WIN32
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# include <sys/socket.h>
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#else
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typedef int socklen_t;
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# endif
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int inet_pton(int, const char *, void *);
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const char *inet_ntop(int, const void *, char *, socklen_t);
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#endif
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#ifndef HAVE_STRUCT_POLLFD
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enum
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{
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POLLERR=0x1,
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POLLHUP=0x2,
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POLLNVAL=0x4,
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POLLWRNORM=0x10,
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POLLWRBAND=0x20,
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POLLRDNORM=0x100,
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POLLRDBAND=0x200,
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POLLPRI=0x400,
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};
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#define POLLIN (POLLRDNORM|POLLRDBAND)
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#define POLLOUT (POLLWRNORM|POLLWRBAND)
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struct pollfd
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{
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int fd;
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short events;
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short revents;
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};
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#endif
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#ifndef HAVE_POLL
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struct pollfd;
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int poll (struct pollfd *, unsigned, int);
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#endif
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#ifndef HAVE_IF_NAMEINDEX
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#include <errno.h>
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# ifndef HAVE_STRUCT_IF_NAMEINDEX
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struct if_nameindex
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{
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unsigned if_index;
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char *if_name;
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};
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# endif
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# define if_nameindex() (errno = ENOBUFS, NULL)
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# define if_freenameindex(list) (void)0
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#endif
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#ifndef HAVE_STRUCT_TIMESPEC
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struct timespec {
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time_t tv_sec; /* Seconds */
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long tv_nsec; /* Nanoseconds */
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};
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#endif
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#ifdef _WIN32
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struct iovec
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{
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void *iov_base;
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size_t iov_len;
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};
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#define IOV_MAX 255
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struct msghdr
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{
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void *msg_name;
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size_t msg_namelen;
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struct iovec *msg_iov;
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size_t msg_iovlen;
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void *msg_control;
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size_t msg_controllen;
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int msg_flags;
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};
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# ifndef HAVE_IF_NAMETOINDEX
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# include <stdlib.h> /* a define may change from the real atoi declaration */
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static inline int if_nametoindex(const char *name)
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{
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return atoi(name);
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}
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# endif
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#endif
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#ifdef _NEWLIB_VERSION
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#define IOV_MAX 255
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#endif
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#ifndef HAVE_RECVMSG
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struct msghdr;
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ssize_t recvmsg(int, struct msghdr *, int);
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#endif
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#ifndef HAVE_SENDMSG
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struct msghdr;
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ssize_t sendmsg(int, const struct msghdr *, int);
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#endif
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/* search.h */
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#ifndef HAVE_SEARCH_H
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typedef struct entry {
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char *key;
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void *data;
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} ENTRY;
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typedef enum {
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FIND, ENTER
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} ACTION;
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typedef enum {
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preorder,
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postorder,
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endorder,
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leaf
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} VISIT;
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void *tsearch( const void *key, void **rootp, int(*cmp)(const void *, const void *) );
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void *tfind( const void *key, void * const *rootp, int(*cmp)(const void *, const void *) );
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void *tdelete( const void *key, void **rootp, int(*cmp)(const void *, const void *) );
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void twalk( const void *root, void(*action)(const void *nodep, VISIT which, int depth) );
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void *lfind( const void *key, const void *base, size_t *nmemb,
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size_t size, int(*cmp)(const void *, const void *) );
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#endif /* HAVE_SEARCH_H */
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#ifdef _WIN64
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# ifdef HAVE_SEARCH_H
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# include <search.h>
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# endif
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/* the Win32 prototype of lfind() expects an unsigned* for 'nelp' */
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# define lfind(a,b,c,d,e) \
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lfind((a),(b), &(unsigned){ (*(c) > UINT_MAX) ? UINT_MAX : *(c) }, (d),(e))
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#endif /* _WIN64 */
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#ifndef HAVE_TDESTROY
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void tdestroy( void *root, void (*free_node)(void *nodep) );
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#endif
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/* sys/auxv.h */
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#ifndef HAVE_GETAUXVAL
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unsigned long getauxval(unsigned long);
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#endif
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/* Random numbers */
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#ifndef HAVE_NRAND48
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double erand48 (unsigned short subi[3]);
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long jrand48 (unsigned short subi[3]);
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long nrand48 (unsigned short subi[3]);
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#endif
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#ifdef __OS2__
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# undef HAVE_FORK /* Implementation of fork() is imperfect on OS/2 */
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# define SHUT_RD 0
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# define SHUT_WR 1
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# define SHUT_RDWR 2
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/* GAI error codes */
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# ifndef EAI_BADFLAGS
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# define EAI_BADFLAGS -1
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# endif
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# ifndef EAI_NONAME
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# define EAI_NONAME -2
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# endif
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# ifndef EAI_AGAIN
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# define EAI_AGAIN -3
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# endif
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# ifndef EAI_FAIL
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# define EAI_FAIL -4
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# endif
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# ifndef EAI_NODATA
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# define EAI_NODATA -5
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# endif
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# ifndef EAI_FAMILY
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# define EAI_FAMILY -6
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# endif
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# ifndef EAI_SOCKTYPE
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# define EAI_SOCKTYPE -7
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# endif
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# ifndef EAI_SERVICE
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# define EAI_SERVICE -8
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# endif
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# ifndef EAI_ADDRFAMILY
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# define EAI_ADDRFAMILY -9
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# endif
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# ifndef EAI_MEMORY
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# define EAI_MEMORY -10
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# endif
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# ifndef EAI_OVERFLOW
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# define EAI_OVERFLOW -11
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# endif
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# ifndef EAI_SYSTEM
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# define EAI_SYSTEM -12
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# endif
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# ifndef NI_NUMERICHOST
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|
# define NI_NUMERICHOST 0x01
|
|
# define NI_NUMERICSERV 0x02
|
|
# define NI_NOFQDN 0x04
|
|
# define NI_NAMEREQD 0x08
|
|
# define NI_DGRAM 0x10
|
|
# endif
|
|
|
|
# ifndef NI_MAXHOST
|
|
# define NI_MAXHOST 1025
|
|
# define NI_MAXSERV 32
|
|
# endif
|
|
|
|
# define AI_PASSIVE 1
|
|
# define AI_CANONNAME 2
|
|
# define AI_NUMERICHOST 4
|
|
|
|
struct addrinfo
|
|
{
|
|
int ai_flags;
|
|
int ai_family;
|
|
int ai_socktype;
|
|
int ai_protocol;
|
|
size_t ai_addrlen;
|
|
struct sockaddr *ai_addr;
|
|
char *ai_canonname;
|
|
struct addrinfo *ai_next;
|
|
};
|
|
|
|
const char *gai_strerror (int);
|
|
|
|
int getaddrinfo (const char *node, const char *service,
|
|
const struct addrinfo *hints, struct addrinfo **res);
|
|
void freeaddrinfo (struct addrinfo *res);
|
|
int getnameinfo (const struct sockaddr *sa, socklen_t salen,
|
|
char *host, int hostlen, char *serv, int servlen,
|
|
int flags);
|
|
|
|
/* OS/2 does not support IPv6, yet. But declare these only for compilation */
|
|
# include <stdint.h>
|
|
|
|
struct in6_addr
|
|
{
|
|
uint8_t s6_addr[16];
|
|
};
|
|
|
|
struct sockaddr_in6
|
|
{
|
|
uint8_t sin6_len;
|
|
uint8_t sin6_family;
|
|
uint16_t sin6_port;
|
|
uint32_t sin6_flowinfo;
|
|
struct in6_addr sin6_addr;
|
|
uint32_t sin6_scope_id;
|
|
};
|
|
|
|
# define IN6_IS_ADDR_MULTICAST(a) (((__const uint8_t *) (a))[0] == 0xff)
|
|
|
|
static const struct in6_addr in6addr_any =
|
|
{ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 } };
|
|
|
|
# include <errno.h>
|
|
# ifndef EPROTO
|
|
# define EPROTO (ELAST + 1)
|
|
# endif
|
|
|
|
# ifndef HAVE_IF_NAMETOINDEX
|
|
# define if_nametoindex(name) atoi(name)
|
|
# endif
|
|
#endif
|
|
|
|
/* math.h */
|
|
|
|
#ifndef HAVE_NANF
|
|
#define nanf(tagp) NAN
|
|
#endif
|
|
|
|
#ifndef HAVE_SINCOS
|
|
void sincos(double, double *, double *);
|
|
void sincosf(float, float *, float *);
|
|
#endif
|
|
|
|
#ifndef HAVE_REALPATH
|
|
char *realpath(const char * restrict pathname, char * restrict resolved_path);
|
|
#endif
|
|
|
|
/* mingw-w64 has a broken IN6_IS_ADDR_MULTICAST macro */
|
|
#if defined(_WIN32) && defined(__MINGW64_VERSION_MAJOR)
|
|
# define IN6_IS_ADDR_MULTICAST IN6_IS_ADDR_MULTICAST
|
|
#endif
|
|
|
|
#ifdef __APPLE__
|
|
# define fdatasync fsync
|
|
|
|
# include <time.h>
|
|
# ifndef TIMER_ABSTIME
|
|
# define TIMER_ABSTIME 0x01
|
|
# endif
|
|
# ifndef CLOCK_REALTIME
|
|
# define CLOCK_REALTIME 0
|
|
# endif
|
|
# ifndef CLOCK_MONOTONIC
|
|
# define CLOCK_MONOTONIC 6
|
|
# endif
|
|
# ifndef HAVE_CLOCK_GETTIME
|
|
int clock_gettime(clockid_t clock_id, struct timespec *tp);
|
|
# endif
|
|
# ifndef HAVE_CLOCK_GETRES
|
|
int clock_getres(clockid_t clock_id, struct timespec *tp);
|
|
# endif
|
|
#endif
|
|
|
|
#ifndef _WIN32
|
|
# ifndef HAVE_CLOCK_NANOSLEEP
|
|
# include <time.h>
|
|
int clock_nanosleep(clockid_t clock_id, int flags,
|
|
const struct timespec *rqtp, struct timespec *rmtp);
|
|
# endif
|
|
#endif
|
|
|
|
#ifdef __cplusplus
|
|
} /* extern "C" */
|
|
#endif
|
|
|
|
#if defined(__cplusplus)
|
|
#ifndef HAVE_CXX_TYPEOF
|
|
# include <type_traits>
|
|
# define typeof(t) std::remove_reference<decltype(t)>::type
|
|
#endif
|
|
#endif
|
|
|
|
#endif /* !LIBVLC_FIXUPS_H */
|