/*============================================================================ CMake - Cross Platform Makefile Generator Copyright 2000-2009 Kitware, Inc., Insight Software Consortium Distributed under the OSI-approved BSD License (the "License"); see accompanying file Copyright.txt for details. This software is distributed WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the License for more information. ============================================================================*/ #include "cmFileTimeComparison.h" // Use a hash table to avoid duplicate file time checks from disk. #if defined(CMAKE_BUILD_WITH_CMAKE) # include #endif // Use a platform-specific API to get file times efficiently. #if !defined(_WIN32) || defined(__CYGWIN__) # define cmFileTimeComparison_Type struct stat # include # include #else # define cmFileTimeComparison_Type FILETIME # include #endif //---------------------------------------------------------------------------- class cmFileTimeComparisonInternal { public: // Internal comparison method. inline bool FileTimeCompare(const char* f1, const char* f2, int* result); bool FileTimesDiffer(const char* f1, const char* f2); private: #if defined(CMAKE_BUILD_WITH_CMAKE) // Use a hash table to efficiently map from file name to modification time. class HashString { public: size_t operator()(const cmStdString& s) const { return h(s.c_str()); } cmsys::hash h; }; typedef cmsys::hash_map FileStatsMap; FileStatsMap Files; #endif // Internal methods to lookup and compare modification times. inline bool Stat(const char* fname, cmFileTimeComparison_Type* st); inline int Compare(cmFileTimeComparison_Type* st1, cmFileTimeComparison_Type* st2); inline bool TimesDiffer(cmFileTimeComparison_Type* st1, cmFileTimeComparison_Type* st2); }; //---------------------------------------------------------------------------- bool cmFileTimeComparisonInternal::Stat(const char* fname, cmFileTimeComparison_Type* st) { #if defined(CMAKE_BUILD_WITH_CMAKE) // Use the stored time if available. cmFileTimeComparisonInternal::FileStatsMap::iterator fit = this->Files.find(fname); if ( fit != this->Files.end() ) { *st = fit->second; return true; } #endif #if !defined(_WIN32) || defined(__CYGWIN__) // POSIX version. Use the stat function. int res = ::stat(fname, st); if ( res != 0 ) { return false; } #else // Windows version. Get the modification time from extended file // attributes. WIN32_FILE_ATTRIBUTE_DATA fdata; if(!GetFileAttributesEx(fname, GetFileExInfoStandard, &fdata)) { return false; } // Copy the file time to the output location. *st = fdata.ftLastWriteTime; #endif #if defined(CMAKE_BUILD_WITH_CMAKE) // Store the time for future use. this->Files[fname] = *st; #endif return true; } //---------------------------------------------------------------------------- cmFileTimeComparison::cmFileTimeComparison() { this->Internals = new cmFileTimeComparisonInternal; } //---------------------------------------------------------------------------- cmFileTimeComparison::~cmFileTimeComparison() { delete this->Internals; } //---------------------------------------------------------------------------- bool cmFileTimeComparison::FileTimeCompare(const char* f1, const char* f2, int* result) { return this->Internals->FileTimeCompare(f1, f2, result); } //---------------------------------------------------------------------------- bool cmFileTimeComparison::FileTimesDiffer(const char* f1, const char* f2) { return this->Internals->FileTimesDiffer(f1, f2); } //---------------------------------------------------------------------------- int cmFileTimeComparisonInternal::Compare(cmFileTimeComparison_Type* s1, cmFileTimeComparison_Type* s2) { #if !defined(_WIN32) || defined(__CYGWIN__) # if cmsys_STAT_HAS_ST_MTIM // Compare using nanosecond resolution. if(s1->st_mtim.tv_sec < s2->st_mtim.tv_sec) { return -1; } else if(s1->st_mtim.tv_sec > s2->st_mtim.tv_sec) { return 1; } else if(s1->st_mtim.tv_nsec < s2->st_mtim.tv_nsec) { return -1; } else if(s1->st_mtim.tv_nsec > s2->st_mtim.tv_nsec) { return 1; } # else // Compare using 1 second resolution. if(s1->st_mtime < s2->st_mtime) { return -1; } else if(s1->st_mtime > s2->st_mtime) { return 1; } # endif // Files have the same time. return 0; #else // Compare using system-provided function. return (int)CompareFileTime(s1, s2); #endif } //---------------------------------------------------------------------------- bool cmFileTimeComparisonInternal::TimesDiffer(cmFileTimeComparison_Type* s1, cmFileTimeComparison_Type* s2) { #if !defined(_WIN32) || defined(__CYGWIN__) # if cmsys_STAT_HAS_ST_MTIM // Times are integers in units of 1ns. long long bil = 1000000000; long long t1 = s1->st_mtim.tv_sec * bil + s1->st_mtim.tv_nsec; long long t2 = s2->st_mtim.tv_sec * bil + s2->st_mtim.tv_nsec; if(t1 < t2) { return (t2 - t1) >= bil; } else if(t2 < t1) { return (t1 - t2) >= bil; } else { return false; } # else // Times are integers in units of 1s. if(s1->st_mtime < s2->st_mtime) { return (s2->st_mtime - s1->st_mtime) >= 1; } else if(s1->st_mtime > s2->st_mtime) { return (s1->st_mtime - s2->st_mtime) >= 1; } else { return false; } # endif #else // Times are integers in units of 100ns. LARGE_INTEGER t1; LARGE_INTEGER t2; t1.LowPart = s1->dwLowDateTime; t1.HighPart = s1->dwHighDateTime; t2.LowPart = s2->dwLowDateTime; t2.HighPart = s2->dwHighDateTime; if(t1.QuadPart < t2.QuadPart) { return (t2.QuadPart - t1.QuadPart) >= static_cast(10000000); } else if(t2.QuadPart < t1.QuadPart) { return (t1.QuadPart - t2.QuadPart) >= static_cast(10000000); } else { return false; } #endif } //---------------------------------------------------------------------------- bool cmFileTimeComparisonInternal::FileTimeCompare(const char* f1, const char* f2, int* result) { // Get the modification time for each file. cmFileTimeComparison_Type s1; cmFileTimeComparison_Type s2; if(this->Stat(f1, &s1) && this->Stat(f2, &s2)) { // Compare the two modification times. *result = this->Compare(&s1, &s2); return true; } else { // No comparison available. Default to the same time. *result = 0; return false; } } //---------------------------------------------------------------------------- bool cmFileTimeComparisonInternal::FileTimesDiffer(const char* f1, const char* f2) { // Get the modification time for each file. cmFileTimeComparison_Type s1; cmFileTimeComparison_Type s2; if(this->Stat(f1, &s1) && this->Stat(f2, &s2)) { // Compare the two modification times. return this->TimesDiffer(&s1, &s2); } else { // No comparison available. Default to different times. return true; } } 1&id=ec89755f9c0a79d09ac31d6a7f112285a2dd5888'>plain -rw-r--r--qdbusabstractinterface.h5881log stats plain -rw-r--r--qdbusabstractinterface_p.h3519log stats plain -rw-r--r--qdbusargument.cpp36357log stats plain -rw-r--r--qdbusargument.h12076log stats plain -rw-r--r--qdbusargument_p.h6222log stats plain -rw-r--r--qdbusconnection.cpp37460log stats plain -rw-r--r--qdbusconnection.h6337log stats plain -rw-r--r--qdbusconnection_p.h12303log stats plain -rw-r--r--qdbusconnectioninterface.cpp15062log stats plain -rw-r--r--qdbusconnectioninterface.h4621log stats plain -rw-r--r--qdbuscontext.cpp6496log stats plain -rw-r--r--qdbuscontext.h2852log stats plain -rw-r--r--qdbuscontext_p.h2629log stats plain -rw-r--r--qdbusdemarshaller.cpp9219log stats plain -rw-r--r--qdbuserror.cpp12309log stats plain -rw-r--r--qdbuserror.h3377log stats plain -rw-r--r--qdbusextratypes.cpp6052log stats plain -rw-r--r--qdbusextratypes.h6038log stats plain -rw-r--r--qdbusintegrator.cpp81989log stats plain -rw-r--r--qdbusintegrator_p.h4626log stats plain -rw-r--r--qdbusinterface.cpp8650log stats plain -rw-r--r--qdbusinterface.h2824log stats plain -rw-r--r--qdbusinterface_p.h2741log stats plain -rw-r--r--qdbusinternalfilters.cpp16806log stats plain -rw-r--r--qdbusintrospection.cpp14209log stats plain -rw-r--r--qdbusintrospection_p.h5531log stats plain -rw-r--r--qdbusmacros.h2482log stats plain -rw-r--r--qdbusmarshaller.cpp16821log stats plain -rw-r--r--qdbusmessage.cpp22663log stats plain -rw-r--r--qdbusmessage.h4627log stats plain -rw-r--r--qdbusmessage_p.h3231log stats plain -rw-r--r--qdbusmetaobject.cpp22458log stats plain -rw-r--r--qdbusmetaobject_p.h3171log stats plain -rw-r--r--qdbusmetatype.cpp14034log stats plain -rw-r--r--qdbusmetatype.h3366log stats plain -rw-r--r--qdbusmetatype_p.h2667log stats plain -rw-r--r--qdbusmisc.cpp5365log stats plain -rw-r--r--qdbuspendingcall.cpp15898log stats plain -rw-r--r--qdbuspendingcall.h3662log stats plain -rw-r--r--qdbuspendingcall_p.h3832log stats plain -rw-r--r--qdbuspendingreply.cpp9629log stats plain -rw-r--r--qdbuspendingreply.h6895log stats plain -rw-r--r--qdbusreply.cpp9024log stats plain -rw-r--r--qdbusreply.h5369log stats plain