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40 lines
1.1 KiB
40 lines
1.1 KiB
/* Distributed under the OSI-approved BSD 3-Clause License. See accompanying
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file Copyright.txt or https://cmake.org/licensing for details. */
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#ifndef cmFileTimeComparison_h
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#define cmFileTimeComparison_h
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#include "cmConfigure.h" // IWYU pragma: keep
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class cmFileTimeComparisonInternal;
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/** \class cmFileTimeComparison
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* \brief Helper class for comparing file modification times.
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*
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* Compare file modification times or test if file modification times differ.
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*/
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class cmFileTimeComparison
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{
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public:
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cmFileTimeComparison();
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~cmFileTimeComparison();
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/**
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* Compare file modification times.
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* Return true for successful comparison and false for error.
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* When true is returned, result has -1, 0, +1 for
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* f1 older, same, or newer than f2.
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*/
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bool FileTimeCompare(const char* f1, const char* f2, int* result);
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/**
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* Compare file modification times. Return true unless both files
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* exist and have modification times less than 1 second apart.
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*/
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bool FileTimesDiffer(const char* f1, const char* f2);
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protected:
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cmFileTimeComparisonInternal* Internals;
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};
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#endif
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