forked from lix-project/lix
FdSource: track number of bytes read
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bcc9943cee
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581e1bc5b4
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@ -64,9 +64,9 @@ static void warnLargeDump()
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void FdSink::write(const unsigned char * data, size_t len)
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{
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written += len;
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static bool warned = false;
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if (warn && !warned) {
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written += len;
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if (written > threshold) {
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warnLargeDump();
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warned = true;
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@ -131,6 +131,7 @@ size_t FdSource::readUnbuffered(unsigned char * data, size_t len)
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} while (n == -1 && errno == EINTR);
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if (n == -1) { _good = false; throw SysError("reading from file"); }
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if (n == 0) { _good = false; throw EndOfFile("unexpected end-of-file"); }
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read += n;
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return n;
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}
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@ -76,11 +76,11 @@ struct BufferedSource : Source
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struct FdSink : BufferedSink
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{
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int fd;
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bool warn;
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size_t written;
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bool warn = false;
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size_t written = 0;
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FdSink() : fd(-1), warn(false), written(0) { }
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FdSink(int fd) : fd(fd), warn(false), written(0) { }
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FdSink() : fd(-1) { }
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FdSink(int fd) : fd(fd) { }
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~FdSink();
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void write(const unsigned char * data, size_t len) override;
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@ -96,6 +96,8 @@ private:
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struct FdSource : BufferedSource
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{
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int fd;
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size_t read = 0;
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FdSource() : fd(-1) { }
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FdSource(int fd) : fd(fd) { }
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size_t readUnbuffered(unsigned char * data, size_t len) override;
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