OS X compatibility cleanups.
Reattach the licenses for the compat stuff to the source. Only build/link the compat stuff when it's needed. Rename compat/util.h so it's not confused with util.h. Move all the platform specific defines inside compat/compat.h.
This commit is contained in:
Oliver Jowett
parent
ae126d1009
commit
1c80d1b784
7
Makefile
7
Makefile
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@ -28,6 +28,7 @@ endif
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ifeq ($(UNAME), Darwin)
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# TODO: Putting GCC in C11 mode breaks things.
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CFLAGS+=-std=c11
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COMPAT+=compat/clock_gettime/clock_gettime.o compat/clock_nanosleep/clock_nanosleep.o
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endif
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all: dump1090 view1090
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@ -37,13 +38,13 @@ all: dump1090 view1090
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dump1090.o: CFLAGS += `pkg-config --cflags librtlsdr`
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dump1090: dump1090.o anet.o compat/clock_gettime/clock_gettime.o compat/clock_nanosleep/clock_nanosleep.o interactive.o mode_ac.o mode_s.o net_io.o crc.o demod_2000.o demod_2400.o stats.o cpr.o icao_filter.o track.o util.o convert.o
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dump1090: dump1090.o anet.o interactive.o mode_ac.o mode_s.o net_io.o crc.o demod_2000.o demod_2400.o stats.o cpr.o icao_filter.o track.o util.o convert.o $(COMPAT)
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$(CC) -g -o $@ $^ $(LIBS) $(LIBS_RTL) $(LDFLAGS)
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view1090: view1090.o anet.o compat/clock_gettime/clock_gettime.o interactive.o mode_ac.o mode_s.o net_io.o crc.o stats.o cpr.o icao_filter.o track.o util.o
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view1090: view1090.o anet.o interactive.o mode_ac.o mode_s.o net_io.o crc.o stats.o cpr.o icao_filter.o track.o util.o $(COMPAT)
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$(CC) -g -o $@ $^ $(LIBS) $(LDFLAGS)
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faup1090: faup1090.o anet.o compat/clock_gettime/clock_gettime.o mode_ac.o mode_s.o net_io.o crc.o stats.o cpr.o icao_filter.o track.o util.o
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faup1090: faup1090.o anet.o mode_ac.o mode_s.o net_io.o crc.o stats.o cpr.o icao_filter.o track.o util.o $(COMPAT)
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$(CC) -g -o $@ $^ $(LIBS) $(LDFLAGS)
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clean:
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@ -1,31 +0,0 @@
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/*
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* clock_gettime_stub.c
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* gcc -Wall -c clock_gettime_stub.c
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* posix realtime functions; MacOS user space glue
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*/
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/* @comment
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* other possible implementation using intel builtin rdtsc
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* rdtsc-workaround: http://www.mcs.anl.gov/~kazutomo/rdtsc.html
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*
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* we could get the ticks by doing this
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*
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* __asm __volatile("mov %%ebx, %%esi\n\t"
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* "cpuid\n\t"
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* "xchg %%esi, %%ebx\n\t"
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* "rdtsc"
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* : "=a" (a),
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* "=d" (d)
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* );
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* we could even replace our tricky sched_yield call by assembly code to get a better accurency,
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* anyway the following C stub will satisfy 99% of apps using posix clock_gettime call,
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* moreover, the setter version (clock_settime) could be easly written using mach primitives:
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* http://www.opensource.apple.com/source/xnu/xnu-${VERSION}/osfmk/man/ (clock_[set|get]_time)
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*
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* hackers don't be crackers, don't you use a flush toilet?
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*
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*
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* @see draft: ./posix-realtime-stub/posix-realtime-stub.c
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*
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*/
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@ -1,4 +1,63 @@
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#ifdef __APPLE__
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/*
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* Copyright (c), MM Weiss
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without modification,
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* are permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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*
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* 3. Neither the name of the MM Weiss nor the names of its contributors
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* may be used to endorse or promote products derived from this software without
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* specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY
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* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
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* SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
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* OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR
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* TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
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* EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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/*
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* clock_gettime_stub.c
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* gcc -Wall -c clock_gettime_stub.c
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* posix realtime functions; MacOS user space glue
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*/
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/* @comment
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* other possible implementation using intel builtin rdtsc
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* rdtsc-workaround: http://www.mcs.anl.gov/~kazutomo/rdtsc.html
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*
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* we could get the ticks by doing this
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*
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* __asm __volatile("mov %%ebx, %%esi\n\t"
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* "cpuid\n\t"
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* "xchg %%esi, %%ebx\n\t"
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* "rdtsc"
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* : "=a" (a),
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* "=d" (d)
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* );
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* we could even replace our tricky sched_yield call by assembly code to get a better accurency,
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* anyway the following C stub will satisfy 99% of apps using posix clock_gettime call,
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* moreover, the setter version (clock_settime) could be easly written using mach primitives:
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* http://www.opensource.apple.com/source/xnu/xnu-${VERSION}/osfmk/man/ (clock_[set|get]_time)
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*
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* hackers don't be crackers, don't you use a flush toilet?
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*
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*
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* @see draft: ./posix-realtime-stub/posix-realtime-stub.c
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*
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*/
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#include "clock_gettime.h"
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#include <mach/clock.h> // for clock_get_time
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@ -75,5 +134,3 @@ int clock_gettime(clockid_t clk_id, struct timespec *tp)
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}
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return retval;
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}
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#endif // __APPLE__
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@ -1,5 +1,3 @@
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#ifdef __APPLE__
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#ifndef CLOCK_GETTIME_H
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#define CLOCK_GETTIME_H
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@ -23,4 +21,3 @@ static mach_timebase_info_data_t __clock_gettime_inf;
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int clock_gettime(clockid_t clk_id, struct timespec *tp);
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#endif // CLOCK_GETTIME_H
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#endif // __APPLE__
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@ -2,7 +2,22 @@
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* clock_nanosleep.c - clock_nanosleep() replacement
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*/
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#ifdef __APPLE__
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/***********************************************************************
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* Copyright © 2006 Rémi Denis-Courmont. *
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* This program is free software; you can redistribute and/or modify *
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* it under the terms of the GNU General Public License as published *
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* by the Free Software Foundation; version 2 of the license, or (at *
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* 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. *
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* See the GNU General Public License for more details. *
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* *
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* You should have received a copy of the GNU General Public License *
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* along with this program; if not, you can get it from: *
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* http://www.gnu.org/copyleft/gpl.html *
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***********************************************************************/
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#include "clock_nanosleep.h"
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#include <errno.h> // for errno, EINVAL
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@ -45,5 +60,3 @@ int clock_nanosleep(clockid_t id, int flags, const struct timespec *ts,
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return ret ? errno : 0;
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}
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#endif // __APPLE__
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@ -1,5 +1,3 @@
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#ifdef __APPLE__
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#ifndef CLOCK_NANOSLEEP_H
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#define CLOCK_NANOSLEEP_H
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@ -24,4 +22,3 @@ int clock_nanosleep (clockid_t id, int flags, const struct timespec *ts,
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struct timespec *ots);
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#endif //CLOCK_NANOSLEEP_H
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#endif // __APPLE__
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32
compat/compat.h
Normal file
32
compat/compat.h
Normal file
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@ -0,0 +1,32 @@
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#ifndef COMPAT_UTIL_H
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#define COMPAT_UTIL_H
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/*
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* Platform-specific bits
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*/
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#if defined(__APPLE__)
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/* implementations of clock_gettime, clock_nanosleep */
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#include "clock_gettime/clock_gettime.h"
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#include "clock_nanosleep/clock_nanosleep.h"
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/*
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* Mach endian conversion
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*/
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# include <libkern/OSByteOrder.h>
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# define bswap_16 OSSwapInt16
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# define bswap_32 OSSwapInt32
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# define bswap_64 OSSwapInt64
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# include <machine/endian.h>
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# define le16toh(x) OSSwapLittleToHostInt16(x)
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# define le32toh(x) OSSwapLittleToHostInt32(x)
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#else // other platforms
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# include <endian.h>
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#endif
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#endif //COMPAT_UTIL_H
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@ -1,20 +0,0 @@
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#ifndef COMPAT_UTIL_H
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#define COMPAT_UTIL_H
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#include "clock_gettime/clock_gettime.h"
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#include "clock_nanosleep/clock_nanosleep.h"
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/*
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* Mach endian conversion
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*/
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#if defined(__APPLE__)
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#include <libkern/OSByteOrder.h>
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#define bswap_16 OSSwapInt16
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#define bswap_32 OSSwapInt32
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#define bswap_64 OSSwapInt64
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#include <machine/endian.h>
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#define le16toh(x) OSSwapLittleToHostInt16(x)
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#define le32toh(x) OSSwapLittleToHostInt32(x)
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#endif
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#endif //COMPAT_UTIL_H
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@ -19,10 +19,6 @@
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#include "dump1090.h"
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#ifdef __APPLE__
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#include "compat/util.h"
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#endif
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struct converter_state {
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float dc_a;
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float dc_b;
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@ -53,14 +53,6 @@
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#include <stdarg.h>
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#ifdef __linux__
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#include <endian.h>
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#endif
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#ifdef __APPLE__
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#include "compat/util.h"
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#endif
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static int verbose_device_search(char *s);
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//
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@ -82,6 +82,8 @@
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#include "winstubs.h" //Put everything Windows specific in here
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#endif
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#include "compat/compat.h"
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// Avoid a dependency on rtl-sdr except where it's really needed.
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typedef struct rtlsdr_dev rtlsdr_dev_t;
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