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/*
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RawSpeed - RAW file decoder.
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Copyright (C) 2009-2014 Klaus Post
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Copyright (C) 2017 Roman Lebedev
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2 of the License, or (at your option) any later version.
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This library 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 GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with this library; if not, write to the Free Software
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Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#pragma once
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#include "rawspeedconfig.h" // for RAWSPEED_NOINLINE, RAWSPEED_UNLIKELY_FUN...
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#include "common/Common.h" // for writeLog, DEBUG_PRIO_EXTRA
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#include <array> // for array
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#include <cstdarg> // for va_end, va_list, va_start
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#include <cstdio> // for vsnprintf, size_t
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#include <stdexcept> // for runtime_error
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namespace rawspeed {
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template <typename T>
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[[noreturn]] void RAWSPEED_UNLIKELY_FUNCTION RAWSPEED_NOINLINE
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__attribute__((noreturn, format(printf, 1, 2)))
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ThrowException(const char* fmt, ...) {
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static constexpr size_t bufSize = 8192;
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#if defined(HAVE_CXX_THREAD_LOCAL)
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static thread_local std::array<char, bufSize> buf;
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#elif defined(HAVE_GCC_THREAD_LOCAL)
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static __thread char buf[bufSize];
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#else
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#pragma message \
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"Don't have thread-local-storage! Exception text may be garbled if used multithreaded"
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static char buf[bufSize];
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#endif
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va_list val;
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va_start(val, fmt);
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vsnprintf(buf.data(), sizeof(buf), fmt, val);
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va_end(val);
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writeLog(DEBUG_PRIO_EXTRA, "EXCEPTION: %s", buf.data());
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throw T(buf.data());
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}
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class RawspeedException : public std::runtime_error {
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private:
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static void RAWSPEED_UNLIKELY_FUNCTION RAWSPEED_NOINLINE
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log(const char* msg) {
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writeLog(DEBUG_PRIO_EXTRA, "EXCEPTION: %s", msg);
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}
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public:
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explicit RAWSPEED_UNLIKELY_FUNCTION RAWSPEED_NOINLINE
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RawspeedException(const char* msg)
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: std::runtime_error(msg) {
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log(msg);
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}
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};
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#undef XSTR
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#define XSTR(a) #a
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#undef STR
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#define STR(a) XSTR(a)
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#ifndef DEBUG
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#define ThrowExceptionHelper(CLASS, fmt, ...) \
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rawspeed::ThrowException<CLASS>("%s, line " STR(__LINE__) ": " fmt, \
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__PRETTY_FUNCTION__, ##__VA_ARGS__)
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#else
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#define ThrowExceptionHelper(CLASS, fmt, ...) \
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rawspeed::ThrowException<CLASS>(__FILE__ ":" STR(__LINE__) ": %s: " fmt, \
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__PRETTY_FUNCTION__, ##__VA_ARGS__)
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#endif
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#define ThrowRSE(...) \
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ThrowExceptionHelper(rawspeed::RawspeedException, __VA_ARGS__)
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} // namespace rawspeed
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LebedevRI