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scripted-diff: Rename nReadPos to m_read_pos in streams.h
-BEGIN VERIFY SCRIPT- sed -i 's/nReadPos/m_read_pos/g' ./src/streams.h -END VERIFY SCRIPT-
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1 changed files with 42 additions and 42 deletions
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@ -187,7 +187,7 @@ class CDataStream
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protected:
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using vector_type = SerializeData;
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vector_type vch;
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vector_type::size_type nReadPos{0};
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vector_type::size_type m_read_pos{0};
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int nType;
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int nVersion;
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@ -230,37 +230,37 @@ public:
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//
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// Vector subset
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//
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const_iterator begin() const { return vch.begin() + nReadPos; }
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iterator begin() { return vch.begin() + nReadPos; }
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const_iterator begin() const { return vch.begin() + m_read_pos; }
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iterator begin() { return vch.begin() + m_read_pos; }
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const_iterator end() const { return vch.end(); }
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iterator end() { return vch.end(); }
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size_type size() const { return vch.size() - nReadPos; }
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bool empty() const { return vch.size() == nReadPos; }
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void resize(size_type n, value_type c = value_type{}) { vch.resize(n + nReadPos, c); }
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void reserve(size_type n) { vch.reserve(n + nReadPos); }
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const_reference operator[](size_type pos) const { return vch[pos + nReadPos]; }
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reference operator[](size_type pos) { return vch[pos + nReadPos]; }
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void clear() { vch.clear(); nReadPos = 0; }
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value_type* data() { return vch.data() + nReadPos; }
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const value_type* data() const { return vch.data() + nReadPos; }
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size_type size() const { return vch.size() - m_read_pos; }
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bool empty() const { return vch.size() == m_read_pos; }
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void resize(size_type n, value_type c = value_type{}) { vch.resize(n + m_read_pos, c); }
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void reserve(size_type n) { vch.reserve(n + m_read_pos); }
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const_reference operator[](size_type pos) const { return vch[pos + m_read_pos]; }
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reference operator[](size_type pos) { return vch[pos + m_read_pos]; }
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void clear() { vch.clear(); m_read_pos = 0; }
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value_type* data() { return vch.data() + m_read_pos; }
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const value_type* data() const { return vch.data() + m_read_pos; }
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inline void Compact()
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{
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vch.erase(vch.begin(), vch.begin() + nReadPos);
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nReadPos = 0;
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vch.erase(vch.begin(), vch.begin() + m_read_pos);
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m_read_pos = 0;
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}
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bool Rewind(std::optional<size_type> n = std::nullopt)
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{
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// Total rewind if no size is passed
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if (!n) {
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nReadPos = 0;
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m_read_pos = 0;
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return true;
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}
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// Rewind by n characters if the buffer hasn't been compacted yet
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if (*n > nReadPos)
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if (*n > m_read_pos)
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return false;
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nReadPos -= *n;
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m_read_pos -= *n;
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return true;
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}
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@ -282,32 +282,32 @@ public:
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if (dst.size() == 0) return;
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// Read from the beginning of the buffer
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auto next_read_pos{CheckedAdd(nReadPos, dst.size())};
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auto next_read_pos{CheckedAdd(m_read_pos, dst.size())};
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if (!next_read_pos.has_value() || next_read_pos.value() > vch.size()) {
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throw std::ios_base::failure("CDataStream::read(): end of data");
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}
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memcpy(dst.data(), &vch[nReadPos], dst.size());
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memcpy(dst.data(), &vch[m_read_pos], dst.size());
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if (next_read_pos.value() == vch.size()) {
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nReadPos = 0;
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m_read_pos = 0;
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vch.clear();
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return;
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}
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nReadPos = next_read_pos.value();
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m_read_pos = next_read_pos.value();
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}
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void ignore(size_t num_ignore)
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{
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// Ignore from the beginning of the buffer
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auto next_read_pos{CheckedAdd(nReadPos, num_ignore)};
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auto next_read_pos{CheckedAdd(m_read_pos, num_ignore)};
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if (!next_read_pos.has_value() || next_read_pos.value() > vch.size()) {
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throw std::ios_base::failure("CDataStream::ignore(): end of data");
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}
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if (next_read_pos.value() == vch.size()) {
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nReadPos = 0;
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m_read_pos = 0;
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vch.clear();
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return;
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}
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nReadPos = next_read_pos.value();
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m_read_pos = next_read_pos.value();
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}
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void write(Span<const value_type> src)
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@ -591,7 +591,7 @@ private:
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FILE *src; //!< source file
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uint64_t nSrcPos; //!< how many bytes have been read from source
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uint64_t nReadPos; //!< how many bytes have been read from this
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uint64_t m_read_pos; //!< how many bytes have been read from this
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uint64_t nReadLimit; //!< up to which position we're allowed to read
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uint64_t nRewind; //!< how many bytes we guarantee to rewind
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std::vector<std::byte> vchBuf; //!< the buffer
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@ -601,7 +601,7 @@ protected:
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bool Fill() {
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unsigned int pos = nSrcPos % vchBuf.size();
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unsigned int readNow = vchBuf.size() - pos;
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unsigned int nAvail = vchBuf.size() - (nSrcPos - nReadPos) - nRewind;
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unsigned int nAvail = vchBuf.size() - (nSrcPos - m_read_pos) - nRewind;
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if (nAvail < readNow)
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readNow = nAvail;
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if (readNow == 0)
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@ -616,7 +616,7 @@ protected:
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public:
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CBufferedFile(FILE* fileIn, uint64_t nBufSize, uint64_t nRewindIn, int nTypeIn, int nVersionIn)
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: nType(nTypeIn), nVersion(nVersionIn), nSrcPos(0), nReadPos(0), nReadLimit(std::numeric_limits<uint64_t>::max()), nRewind(nRewindIn), vchBuf(nBufSize, std::byte{0})
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: nType(nTypeIn), nVersion(nVersionIn), nSrcPos(0), m_read_pos(0), nReadLimit(std::numeric_limits<uint64_t>::max()), nRewind(nRewindIn), vchBuf(nBufSize, std::byte{0})
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{
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if (nRewindIn >= nBufSize)
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throw std::ios_base::failure("Rewind limit must be less than buffer size");
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@ -645,33 +645,33 @@ public:
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//! check whether we're at the end of the source file
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bool eof() const {
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return nReadPos == nSrcPos && feof(src);
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return m_read_pos == nSrcPos && feof(src);
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}
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//! read a number of bytes
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void read(Span<std::byte> dst)
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{
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if (dst.size() + nReadPos > nReadLimit) {
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if (dst.size() + m_read_pos > nReadLimit) {
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throw std::ios_base::failure("Read attempted past buffer limit");
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}
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while (dst.size() > 0) {
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if (nReadPos == nSrcPos)
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if (m_read_pos == nSrcPos)
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Fill();
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unsigned int pos = nReadPos % vchBuf.size();
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unsigned int pos = m_read_pos % vchBuf.size();
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size_t nNow = dst.size();
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if (nNow + pos > vchBuf.size())
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nNow = vchBuf.size() - pos;
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if (nNow + nReadPos > nSrcPos)
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nNow = nSrcPos - nReadPos;
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if (nNow + m_read_pos > nSrcPos)
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nNow = nSrcPos - m_read_pos;
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memcpy(dst.data(), &vchBuf[pos], nNow);
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nReadPos += nNow;
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m_read_pos += nNow;
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dst = dst.subspan(nNow);
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}
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}
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//! return the current reading position
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uint64_t GetPos() const {
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return nReadPos;
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return m_read_pos;
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}
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//! rewind to a given reading position
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@ -679,22 +679,22 @@ public:
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size_t bufsize = vchBuf.size();
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if (nPos + bufsize < nSrcPos) {
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// rewinding too far, rewind as far as possible
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nReadPos = nSrcPos - bufsize;
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m_read_pos = nSrcPos - bufsize;
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return false;
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}
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if (nPos > nSrcPos) {
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// can't go this far forward, go as far as possible
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nReadPos = nSrcPos;
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m_read_pos = nSrcPos;
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return false;
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}
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nReadPos = nPos;
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m_read_pos = nPos;
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return true;
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}
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//! prevent reading beyond a certain position
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//! no argument removes the limit
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bool SetLimit(uint64_t nPos = std::numeric_limits<uint64_t>::max()) {
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if (nPos < nReadPos)
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if (nPos < m_read_pos)
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return false;
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nReadLimit = nPos;
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return true;
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@ -711,12 +711,12 @@ public:
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void FindByte(uint8_t ch)
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{
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while (true) {
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if (nReadPos == nSrcPos)
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if (m_read_pos == nSrcPos)
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Fill();
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if (vchBuf[nReadPos % vchBuf.size()] == std::byte{ch}) {
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if (vchBuf[m_read_pos % vchBuf.size()] == std::byte{ch}) {
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break;
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}
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nReadPos++;
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m_read_pos++;
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}
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}
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};
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