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a/src/utils/fstreewalk.h b/src/utils/fstreewalk.h
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 * walk. Options control whether we follow symlinks and whether we recurse
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 * walk. Options control whether we follow symlinks and whether we recurse
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 * on subdirectories.
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 * on subdirectories.
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 */
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 */
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class FsTreeWalker {
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class FsTreeWalker {
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 public:
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 public:
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    // Flags for call to processone(). FtwDirEnter is used when
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    // entering a directory. FtwDirReturn is used when returning to it
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    // after processing a subdirectory.
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    enum CbFlag {FtwRegular, FtwDirEnter, FtwDirReturn};
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    enum CbFlag {FtwRegular, FtwDirEnter, FtwDirReturn};
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    enum Status {FtwOk=0, FtwError=1, FtwStop=2, 
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    enum Status {FtwOk=0, FtwError=1, FtwStop=2, 
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         FtwStatAll = FtwError|FtwStop};
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         FtwStatAll = FtwError|FtwStop};
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    enum Options {FtwOptNone = 0, FtwNoRecurse = 1, FtwFollow = 2};
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    enum Options {FtwOptNone = 0, FtwNoRecurse = 1, FtwFollow = 2};
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